Patent Publication Number: US-11649954-B2

Title: Integrated lighting module and housing therefor

Description:
PRIORITY NOTICE 
     The present patent application is a continuation-in-part (CIP) of U.S. non-provisional patent application Ser. No. 17/522,808 filed on Nov. 9, 2021, and claims priority to said U.S. non-provisional patent application under 35 U.S.C. § 120. The above-identified patent application is incorporated herein by reference in its entirety as if fully set forth below. 
     The present patent application is a continuation-in-part (CIP) of U.S. non-provisional patent application Ser. No. 17/374,948 filed on Jul. 13, 2021, and claims priority to said U.S. non-provisional patent application under 35 U.S.C. § 120. The above-identified patent application is incorporated herein by reference in its entirety as if fully set forth below. 
     The present patent application is a continuation-in-part (CIP) of U.S. non-provisional patent application Ser. No. 17/364,742 filed on Jun. 30, 2021, and claims priority to said U.S. non-provisional patent application under 35 U.S.C. § 120. The immediately above-identified patent application is incorporated herein by reference in its entirety as if fully set forth below. 
     The present patent application is a continuation-in-part (CIP) of U.S. non-provisional patent application Ser. No. 17/246,272 filed on Apr. 30, 2021, and claims priority to said U.S. non-provisional patent application under 35 U.S.C. § 120. The immediately above-identified patent application is incorporated herein by reference in its entirety as if fully set forth below. 
    
    
     TECHNICAL FIELD OF THE INVENTION 
     The present invention relates in general to integrated lighting modules and more specifically to an integrated lighting module wherein its heat sink module may have an upper portion that is finned and a bottom portion that is non-finned, wherein a diameter of the upper finned portion may be larger than a diameter of the bottom non-finned portion. 
     COPYRIGHT AND TRADEMARK NOTICE 
     A portion of the disclosure of this patent application may contain material that is subject to copyright protection. The owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyrights whatsoever. 
     Certain marks referenced herein may be common law or registered trademarks of third parties affiliated or unaffiliated with the applicant or the assignee. Use of these marks is by way of example and should not be construed as descriptive or to limit the scope of this invention to material associated only with such marks. 
     BACKGROUND OF THE INVENTION 
     There is a need in the art for an integrated lighting module that has a heat sink module with an upper finned portion and bottom non-finned portion, wherein a diameter of the upper finned portion is larger than a diameter of bottom non-finned portion as this will allow for increased heat dissipation efficiencies, increased lumens output, while still be configured for a specific sized trim, such as, but not limited, to MR16 sized trim. 
     There is a need in the art for an integrated lighting module that may be adjusted without interfering with its associated trim. 
     Further, there is need in the art for a housing that may be configured to house/retain such an integrated-lighting-module within that housing; and wherein that housing may be implemented as a ceiling-mounted downlight, a track-lighting mounted light, a pendant downlight, or a sconce. 
     It is to these ends that the present invention has been developed. 
     BRIEF SUMMARY OF THE INVENTION 
     To minimize the limitations in the prior art, and to minimize other limitations that will be apparent upon reading and understanding the present specification, the present invention may describe an integrated-lighting-module and/or a lighting system that comprises the integrated-lighting-module. 
     In some embodiments, the integrated-lighting-module may have a driver cap, a finned heat sink module, a LED light chip, an optical reflector, and a holder. In some embodiments, the integrated-lighting-module may have (comprise) one or more LEDs (light emitting diodes). In some embodiments, the driver cap may be configured to hold a driver within the driver cap to power the LED light chip. In some embodiments, the driver cap may attach to a top of the heat sink module. In some embodiments, the holder may attach to the heat sink module with the optical reflector and the LED light chip disposed between elements of the holder and elements of the heat sink module. In some embodiments, the heat sink module may be finned at various locations (of the heat sink module). In some embodiments, where the heat sink module may be finned at its upper portions, the heat sink module may have a larger diameter than its non-finned bottom portion, which in turn may provide for increased heat dissipation and greater lumens output. In some embodiments, the holder may screw upon the bottom portion of the heat sink module with the optical reflector and the LED light chip disposed between the holder and the heat sink module. In some embodiments, trim, such as MR16 sized trim, may attach to bottom flanges of the holder. In some embodiments, the integrated-lighting-module may be adjusted without interfering with the trim. In some embodiments, the holder may be trim in some embodiments. 
     The present invention may describe a housing-for-light-module (hereinafter, a “housing”) that houses the integrated-lighting-module. In some embodiments, the housing may comprise a main-housing-member that may be an elongate hollow member, that may be capped at both a top-end and at a bottom-end, by a top-cap and by a bottom-cap, respectively. In some embodiments, the main-housing-member may have internal structural member(s), such as, at least one internal-rib. In some embodiments, the main-housing-member may have teeth attachment structures for removable attachment to the bottom-cap. In some embodiments, the bottom-cap may have its own teeth attachment structure for removable attachment to a bottom of the integrated-lighting-module. In some embodiments, the bottom-cap may have a seat annular shelf structure for supporting and preventing downward movement of the integrated-lighting-module located within the housing. In some embodiments, the housing may be implemented as a ceiling-mounted downlight, a track-lighting mounted light, a pendant downlight, or a sconce. 
     It is an objective of the present invention to provide an integrated lighting module. 
     It is another objective of the present invention to provide an integrated-lighting-module wherein its heat sink module may have an upper portion that is finned and a lower/bottom portion that is non-finned, wherein a diameter of the upper finned portion may be larger than a diameter of the bottom non-finned portion. 
     It is another objective of the present invention to provide an integrated-lighting-module wherein its heat sink module that may be used with MR16 sized trim, a lamp holder, and/or a lens holder. 
     It is another objective of the present invention to provide an integrated-lighting-module wherein its heat sink module that may be adjusted without interfering with the trim. 
     It is another objective of the present invention to provide a housing configured for housing/retaining the integrated-lighting-module within that housing. 
     It is another objective of the present invention to provide such a housing that may be made up at least three main parts/components, namely, a main-housing-member, a top-cap, and a bottom-cap. 
     It is another objective of the present invention to provide such a main-housing-member that may be at least mostly shaped as a hollow right cylinder. 
     It is another objective of the present invention to provide such a main-housing-member that may have internal reinforcing structure(s), such as, but not limited to, internal-rib(s). 
     It is another objective of the present invention to provide such a main-housing-member that may have attachment structure(s) (e.g., teeth) for (removable) attachment to the bottom-cap. 
     It is another objective of the present invention to provide such a bottom-cap that may have a seat for supporting and/or for preventing downward movement of the integrated-lighting-module within the housing. 
     It is another objective of the present invention to provide such a bottom-cap that may have attachment structure(s) (e.g., teeth) for (removable) attachment to a bottom of the integrated-lighting-module. 
     It is another objective of the present invention to provide such a housing that may be attached to a linkage-arm, wherein the linkage-arm may be in communication with a substrate. 
     It is another objective of the present invention to provide the linkage-arm that may be articulable and/or rotatable. 
     It is yet another objective of the present invention to provide such a housing that may be implemented as a ceiling-mounted downlight, a track-lighting mounted light, a pendant downlight, or a sconce. 
     These and other advantages and features of the present invention are described herein with specificity so as to make the present invention understandable to one of ordinary skill in the art, both with respect to how to practice the present invention and how to make the present invention. 
    
    
     
       BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS 
       Elements in the figures have not necessarily been drawn to scale in order to enhance their clarity and improve understanding of these various elements and embodiments of the invention. Furthermore, elements that are known to be common and well understood to those in the industry are not depicted in order to provide a clear view of the various embodiments of the invention. 
         FIG.  1    illustrates a top perspective view of an integrated-lighting-module (in an assembled configuration). 
         FIG.  2    illustrates a front view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  3    illustrates a rear view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  4    illustrates a left-side view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  5    illustrates a right-side view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  6    illustrates a top view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  7    illustrates a bottom view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  8    illustrates a bottom perspective view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  9    illustrates the right-side view of the integrated-lighting-module of  FIG.  1    while showing some dimensional relationships of the integrated-lighting-module. 
         FIG.  10    illustrates the bottom view of the integrated-lighting-module of  FIG.  1    while showing some dimensional relationships (e.g., radii) of the integrated-lighting-module. 
         FIG.  11    illustrates an exploded top perspective view of the integrated-lighting-module of  FIG.  1   . 
         FIG.  12 A  illustrates an exploded bottom perspective view of the assembled integrated-lighting-module of  FIG.  1    with respect to a frame, a can, and a trim. 
         FIG.  12 B  illustrates an exploded side view (or rear view for view terminology of  FIG.  3   ) of the assembled integrated-lighting-module of  FIG.  1    with respect to the frame, the can, and the trim. 
         FIG.  13 A  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 B  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 C  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 D  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 E  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 F  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 G  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 H  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  13 I  may depict a schematic block diagram of a side view of an integrated-lighting-module with a focus on how a driver cap mates with (attaches to) a heat sink module; and how the heat sink module mates with (attaches to) a holder (optical reflector holder). 
         FIG.  14 A  may depict a schematic block diagram of a side view of a heat sink module and a holder (when assembled to each other), with a focus on where a LED light chip and/or an optical reflector may reside therein. 
         FIG.  14 B  may depict a schematic block diagram of a side view of a heat sink module and a holder (when assembled to each other), with a focus on where a LED light chip and/or an optical reflector may reside therein. 
         FIG.  14 C  may depict a schematic block diagram of a side view of a heat sink module and a holder (when assembled to each other), with a focus on where a LED light chip and/or an optical reflector may reside therein. 
         FIG.  15    may be a lengthwise (top to bottom) cross-sectional diagram through a given integrated-lighting-module. 
         FIG.  16 A  may depict a schematic block diagram of a side view of a driver cap and of a heat sink module; wherein an overall shapes relationship between the given driver cap and its associated heat sink module is shown. 
         FIG.  16 B  may depict a schematic block diagram of a side view of a driver cap and of a heat sink module; wherein an overall shapes relationship between the given driver cap and its associated heat sink module is shown. 
         FIG.  16 C  may depict a schematic block diagram of a side view of a driver cap and of a heat sink module; wherein an overall shapes relationship between the given driver cap and its associated heat sink module is shown. 
         FIG.  17 A  (prior art) shows a general side view of a heat sink module that may be substantially cylindrical in its outer shape/appearance. 
         FIG.  17 B  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  17 C  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  17 D  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  17 E  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  17 F  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  17 G  (prior art) shows another side view of the same heat sink module of  FIG.  17 F . 
         FIG.  17 H  (prior art) shows a general side view of a heat sink module that may have a particular outer shape/appearance. 
         FIG.  18 A  shows a top-down perspective view of a housing-for-light-module (hereinafter, “housing”) according to at least one embodiment, wherein this housing may be configured to house (hold/receive) at least one integrated-lighting-module therein. 
         FIG.  18 B  shows another top-down perspective view of such a housing  1800  rotated along a common-shared longitudinal axial-centerline of the housing, as compared to  FIG.  18 A , such that at least one access-aperture visible in  FIG.  18 A  is not visible in  FIG.  18 B . 
         FIG.  18 C  shows a bottom-up perspective view of such a housing. 
         FIG.  18 D  shows another (different) bottom-up perspective view of such a housing, different as compared to  FIG.  18 C . 
         FIG.  18 E  shows a front view of such a housing. 
         FIG.  18 F  shows a rear (back) view of such a housing. 
         FIG.  18 G  shows a left-side view of such a housing. 
         FIG.  18 H  shows a right-side view of such a housing. 
         FIG.  18 I  is a top-down view of such a housing. 
         FIG.  18 J  is a bottom-up view of such a housing. 
         FIG.  19 A  is a top exploded perspective view of such a housing, without the integrated-lighting-module included (shown), exploded along the common-shared longitudinal axial-centerline of the housing. 
         FIG.  19 B  is another exploded top perspective view of such a housing, without the integrated-lighting-module, exploded along the common-shared longitudinal axial-centerline. 
         FIG.  19 C  is a bottom exploded perspective view of such a housing, without the integrated-lighting-module, exploded along the common-shared longitudinal axial-centerline. 
         FIG.  19 D  is another bottom exploded perspective view of such a housing, without the integrated-lighting-module, exploded along the common-shared longitudinal axial-centerline. 
         FIG.  19 E  is side exploded perspective view of such a housing, without the integrated-lighting-module, exploded along the common-shared longitudinal axial-centerline. 
         FIG.  20    is side exploded perspective view of such a housing, but now shown with the integrated-lighting-module included, exploded along the common-shared longitudinal axial-centerline. 
         FIG.  21 A  shows just part/component of a bottom-cap, of the housing, from a top perspective view. 
         FIG.  21 B  shows just part/component the bottom-cap, of the housing, from another/different top perspective view, different as compared to  FIG.  21 A . 
         FIG.  21 C  shows just part/component the bottom-cap, of the housing, from a yet another/different top perspective view as compared to  FIG.  21 A  and/or as compared to  FIG.  21 B . 
         FIG.  22 A  show a perspective view from a bottom of a main-housing-member of the housing, looking upwards into an interior/inside of that main-housing-member and with the bottom-cap removed. 
         FIG.  22 B  show a perspective view from a bottom of the main-housing-member of the housing, looking upwards into an interior/inside of that main-housing-member and with the bottom-cap removed. 
         FIG.  23 A  shows a bottom perspective view of a ceiling-mount-configuration of the housing and/or of the full-assembly (wherein the full-assembly includes the housing and the integrated-lighting-module within the housing). 
         FIG.  23 B  shows a bottom perspective view of another/different ceiling-mount-configuration of the housing and/or of the full-assembly. 
         FIG.  23 C  shows a bottom perspective view of a track-light-configuration of the housing and/or of the full-assembly. 
         FIG.  23 D  shows a bottom perspective view of a pendant-lighting-configuration of the housing and/or of the full-assembly. 
         FIG.  23 E  shows a bottom perspective view of a wall-sconce-configuration of the housing and/or of the full-assembly. 
         FIG.  24 A  shows the housing with an attached linkage-arm in a first configuration. 
         FIG.  24 B  shows the housing with the attached linkage-arm in a second configuration (as compared to  FIG.  24 A ). 
     
    
    
     REFERENCE NUMERAL SCHEDULE 
     
         
           100  integrated-lighting-module  100   
           101  driver cap  101  (driver housing  101 ) 
           103  side-wall  103  (first side-wall  103 ) 
           105  top  105  (first top  105 ) 
           107  indicator  107   
           109  aperture  109   
           111  bottom  111  (first bottom  111 ) 
           115  heat sink module  115   
           117  fin  117   
           119  side wall  119   
           125  holder  125   
           127  side-wall  127  (second side-wall  127 ) 
           129  thread lock notch  129   
           131  twist-lock-flange  131   
           133  twist-lock-teeth  133   
           135  twist-lock-opening  135   
           701  LED light chip  701  (light emitting diode element  701 ) 
           703  optical reflector  703   
           901  heat-sink-module-top-diameter  901   
           903  holder-side-wall-diameter  903   
           905  twist-lock-flange-outer-diameter  905   
           907  assembled-integrated-lighting-module-length  907   
           909  assembled-holder-length  909   
           911  assembled-driver-cap-and-heat-sink-module-length  911   
           1001  fin-radius  1003   
           1003  flange-radius  1003   
           1115  top  1115  (second top  1115 ) 
           1117  aperture  1117  (of heat sink  115 ) 
           1119  aperture  1119  (of heat sink  115 ) 
           1121  aperture  1121  (of heat sink  115 ) 
           1123  threading  1123  (of heat sink  115 ) 
           1125  bottom  1125  (of heat sink  115 ) 
           1131  top-hole  1131  (of optical reflector  703 ) 
           1133  bottom  1133  (second bottom  1133 ) 
           1141  top  1141  (third top  1141 ) 
           1143  internal-threading  1143  (of holder  125 ) 
           1201  frame  1201   
           1203  frame hole  1203   
           1211  can  1211   
           1221  trim  1221   
           1299  full assembly  1299   
           1301  communication-region-between-driver-cap-and-heat-sink-module  1301   
           1303  communication-region-between-heat-sink-module-and-holder  1303   
           1305  communication-region-between-driver-cap-and-heat-sink-module  1305   
           1307  communication-region-between-driver-cap-and-heat-sink-module  1307   
           1309  communication-region-between-heat-sink-module-and-holder  1309   
           1311  communication-region-between-heat-sink-module-and-holder  1311   
           1401  region-for-housing-LED-chip  1401   
           1403  region-for-housing-reflector  1403   
           1501  volume  1501   
           1503  volume  1503   
           1701  upper-region  1701   
           1703  middle-region  1703   
           1705  bottom-region  1705   
           1711  upper-region  1711   
           1713  lower-region  1713   
           1721  upper-finned-region  1721   
           1723  conical-frustum-region  1723   
           1725  cylindrical-region  1725   
           1727  bottom-threaded-region  1727   
           1731  finned-upper-region  1731   
           1733  middle-transition-region  1733   
           1735  bottom-region  1735   
           1800  housing-for-light-module  1800   
           1801  main-housing-member  1801   
           1803  exterior-sidewall  1803   
           1805  interior-sidewall  1805   
           1807  access-aperture  1807   
           1811  top-cap  1811   
           1813  exterior-surface  1813   
           1815  access-aperture  1815   
           1817  interior-surface  1817   
           1819  attachment-means  1819   
           1821  bottom-cap  1821   
           1823  conical-exterior-surface  1823   
           1825  opening-for-light  1825   
           1827  interior-sidewall  1827   
           1829  tooth  1829   
           1831  top  1831   
           1833  bottom  1833   
           1835  top-end  1835   
           1837  bottom-end  1837   
           1900  common-shared longitudinal axial-centerline  1900   
           1901  internal-rib  1901   
           1903  edge/rim  1903   
           1905  attachment-means  1905   
           1907  seat  1907   
           1909  tooth  1909   
           2000  full-assembly  2000   
           2203  wiring/cabling  2203   
           2205  electrical-connector  2205   
           2300  ceiling-mount-configuration  2300   
           2301  cover/disk  2301   
           2311  ceiling-mount-configuration  2311   
           2313  linkage-arm  2313   
           2315  cover/disk  2315   
           2321  track-lighting-configuration  2321   
           2323  track-attachment  2323   
           2325  track  2325   
           2331  pendant-lighting-configuration  2331   
           2333  elongate-linkage-member  2333   
           2341  wall-sconce-configuration  2341   
           2401  orthogonal-configuration  2401   
           2451  parallel-configuration  2451   
       
    
     DETAILED DESCRIPTION OF THE INVENTION 
     In the following discussion that addresses a number of embodiments and applications of the present invention, reference is made to the accompanying drawings that form a part thereof, where depictions are made, by way of illustration, of specific embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and changes may be made without departing from the scope of the invention. 
       FIG.  1    illustrates a top perspective view of an integrated-lighting-module  100  (in an assembled configuration). Note, “integrated-lighting-module” may also be referred to as “integrated lighting module” (i.e., with or without the hyphens). Note, unless otherwise specified “integrated-lighting-module  100 ” may refer to the assembled configuration for integrated-lighting-module  100  such as that shown in  FIG.  1   . In some embodiments, integrated-lighting-module  100  may also be known as a driver assembly. In some embodiments, integrated-lighting-module  100  may comprise sub-components of a driver cap  101 , a heat sink module  115 , and a holder  125 . In some embodiments, driver cap  101  may be referred to as a driver housing  101 . In some embodiments, driver cap  101  may attach to a top portion of heat sink module  115  (and in some embodiments, this attachment may be removable). In some embodiments, a bottom portion of heat sink module  115  may attach to holder  125  (and in some embodiments, this attachment may be removable). In some embodiments, heat sink module  115  may be disposed between driver cap  101  and holder  125 . In some embodiments, heat sink module  115  may be in communication with driver cap  101  and with holder  125 . In some embodiments, driver cap  101  may not be touching holder  125 . 
     Continuing discussing  FIG.  1   , in some embodiments, driver cap  101  may be substantially hollow (void space) and cylindrical member (e.g., with side-wall  103 ) that may be closed (capped) at one end (its top  105 ) and open at its other end (bottom  111 ). In some embodiments, this hollow void space that driver cap  101  may surround may be for various electronics, such as, but not limited to a driver. In some embodiments, top  105  and bottom  111  of driver cap  101  may be disposed opposite from each other, separated by side-wall  103 . In some embodiments, top  105  may comprise one or more aperture(s)  109 . In some embodiments, top  105  may have one or more aperture(s)  109 . In some embodiments, the one or more aperture(s)  109  may be through holes. In some embodiments, the one or more aperture(s)  109  may facilitate passage of wires, cabling, and/or the like. In some embodiments, top  105  may have one or more indicator(s)  107 . In some embodiments, top  105  may have one or more indicator(s)  107 . In some embodiments, the one or more indicator(s)  107  may be one or more of: word(s), writing, number(s), graphic(s), logo(s), trademark(s), serial number(s), model number(s), certification indication(s), status indication(s), lot number(s), patent number(s), tracking number(s), registration number(s), and/or the like. In some embodiments, bottom  111  of driver cap  101  may be open, which may allow various electronics, such as, but not limited to, the driver to be inserted and used while in the hollow void space that driver cap  101  may surround. In some embodiments, bottom  111  of driver cap  101  may be open, which may allow driver cap  101  to attach (removably so in some embodiments) to a top portion of heat sink module  115 . In some embodiments, a nature (type or style) of attachment between driver cap  101  and heat sink module  115  may be one or more of: friction fit, press fit, snap fit, threaded fit, attached using adhesives, welded fit, attached using screws, attached using bolts, attached using tacks, and/or the like. 
     Continuing discussing  FIG.  1   , in some embodiments, heat sink module  115  may be a substantially hollow (surrounding void space) and cylindrical member that may be substantially finned along its upper (top) portion and threaded along its bottom portion. In some embodiments, heat sink module  115  may be finned with a plurality of fins  117 . In some embodiments, heat sink module  115  may be fined (e.g., with fin(s)  117 ) or non-finned (e.g., no fins  117 ). In some embodiments, heat sink module  115  may be finned with one or more fin(s)  117 . In some embodiments, the one or more fin(s)  117  may encourage, facilitate, and/or provide for heat transfer, such as, but not limited, heat radiated out from these one or more fin(s)  117  into the surrounding environment. In some embodiments, the one or more fin(s)  117  may allow cooling of heat sink module  115 . In some embodiments, where sides of heat sink module  115  are not finned with fins  117 , there may be side walls  119 . In some embodiments, heat sink module  115  may comprise side walls  119 . In some embodiments, heat sink module  115  may have side walls  119 . In some embodiments, heat sink module  115  may house various electronics, such as, but not limited to, LED light chip  701  (see e.g.,  FIG.  7    and  FIG.  11    for LED light chip  701 ). In some embodiments, LED light chip  701  may also be referred to as LED element  701 . Note, “LED” as used herein may mean “light emitting diode.” In some embodiments LED light chip  701  may be a light source that may comprise one or more LEDs. In some embodiments LED light chip  701  may be a light source that may comprise one or more light source(s) that may or may not include LEDs. In some embodiments, heat sink module  115  may house at least some portion of optical reflector  703  (see e.g.,  FIG.  7    and  FIG.  11    for optical reflector  703 ). In some embodiments, heat sink module  115  may be substantially (mostly) closed at its top end (aside from various apertures and the fins  117 ). In some embodiments, heat sink module  115  may be substantially (mostly) open at its bottom end. 
     In some embodiments, heat sink module  115  may attach to holder  125 . In some embodiments, heat sink module  115  may be removably attached to holder  125 . In some embodiments, heat sink module  115  may be removably attached to holder  125  via complimentary threading on each respective component (such as, threading  1123  of heat sink module  115  and internal-threading  1143  of holder  125 —see e.g.,  FIG.  11   ). 
     Continuing discussing  FIG.  1   , in some embodiments, holder  125  may be a substantially hollow and cylindrical member that may be open at both ends. In some embodiments, holder  125  may hold heat sink module  115 . In some embodiments, holder  125  may hold optical reflector  703 . In some embodiments, holder  125  may hold both heat sink module  115  and optical reflector  703 . In some embodiments, when integrated-lighting-module  100  may be assembled, at least a portion of heat sink module  115  and/or at least a portion of optical reflector  703  may be located within holder  125 . In some embodiments, a main cylindrical side wall portion of holder  125  may be denoted as side-wall  127 . In some embodiments, holder  125  may comprise side-wall  127 , which may be a side wall of holder  125 . In some embodiments, within side-wall  127  may be one or more holes, denoted as thread lock notch  129 . In some embodiments, a given thread lock notch  129  may be a through hole through side-wall  127 . In some embodiments, a given thread lock notch  129  may be threaded to receive a threaded screw and/or a threaded bolt. In some embodiments, such a threaded screw and/or a threaded bolt passing through thread lock notch  129 , may be used to securely lock optical reflector  703  onto a bottom portion of heat sink module  115 . 
     Continuing discussing  FIG.  1   , in some embodiments, a bottom portion of holder  125  may have a twist-lock flange  131 . In some embodiments, twist-lock flange  131  may be one or more flange(s) that run around and extend outwardly from a bottom portion of holder  125 . In some embodiments, twist-lock flange  131  may be two or more flange(s) that run around and extend outwardly from a bottom portion of holder  125 ; wherein each such flange may be separated by a gap in the given flange, wherein this gap may be denoted as twist-lock-opening  135 . In some embodiments, at one end of each such gap (i.e., at one end of twist-lock-opening  135 ) may be a tapered portion of twist-lock flange  131  with gripping teeth, denoted as twist-lock-teeth  133 . In some embodiments, the two or more twist-lock flanges  131 , with two twist-lock-teeth  133 , and two twist-lock-openings  135 , may be used to removably attached holder  125  to a given trim  1221  (see e.g.,  FIG.  12 A  and  FIG.  12 B  for trim  1221 ). In some embodiments, flange  131  may be an outside annular flange of a portion of holder  125  (such as a bottom portion of holder  125 ). In some embodiments, flange  131  may be an outside annular flange, with or without breaks/interruptions in a continuity of that given annular flange. In some embodiments, a bottom portion of holder  125  may have an annular flange (such as, but not limited to flange  131 ). See e.g.,  FIG.  1   . 
     In some embodiments, optical reflector  703  may be held (secured) by holder  125 . In some embodiments, optical reflector  703  may be held within holder  125 . In some embodiments, this may be accomplished by a set screw passing at least partially through a given thread lock notch  129  of holder  125  to engage optical reflector  703 . In some embodiments, side-wall  127  of holder  125  may have at least one thread lock notch  129 . See e.g.,  FIG.  1   . 
     In some embodiments, holder  125  may be removed via twisting (un-twisting) action, which in turn may then allow for a change in optics (such as, but not limited, to use of louvers, spread lens, and/or the like). In some embodiments, holder  125  may have adjustability via twisting (or un-twisting) action. In some embodiments, adjusting holder  125  may not require tools. 
     In some embodiments, a given integrated-lighting-module  100  may comprise: a driver cap  101 , a heat sink module  115 , a LED light chip  701 , an optical reflector  703 , and a holder  125 . See e.g.,  FIG.  1   ,  FIG.  11    and/or  FIG.  15   . 
       FIG.  2    illustrates a front view of integrated-lighting-module  100 . Portions of driver cap  101 , of heat sink module  115 , and of holder  125  of integrated-lighting-module  100  may be seen in  FIG.  2   . Portions of aperture(s)  109  of driver cap  101  may be seen. Portions of side-wall  103  of driver cap  101  may be seen. Portions of fins  117  of heat sink module  115  may be seen. Portions of side wall  119  of heat sink module  115  may be seen. Note as shown in  FIG.  2   , the finned portions of heat sink module  115  may be wider than a bottom portion of heat sink module  115 . That is, the bottom of heat sink module  115 , where the main opening to the interior of heat sink module  115  may be located, may have a smaller diameter as compared to an upper finned portion of heat sink module  115 ; and in turn this configuration may facilitate more efficient heat dissipation and/or overall improved performance. For example, and without limiting the scope of the present invention, note in  FIG.  2    as the viewer progresses upwards from a bottom of heat sink module  115  that its diameters increases, such that most of the finned region has a greater diameter than the bottom non-finned regions (note, this can also be seen in figures  FIG.  3    through  FIG.  5   ). Note, heat sink module  115  may have a curve that transitions from its smaller diameter bottom regions to its upper finned portions with the larger diameter. This curve in heat sink module  115  may permit integrated-lighting-module  100  to be adjusted without hitting/interfering with trim  1221  (see  FIG.  12 A  or  FIG.  12 B  for trim  1221 ). (The bottom of heat sink module  115  may be denoted as bottom  1125  and may be shown in  FIG.  11   .) Portion of side-wall  127  of holder  125  may be seen in  FIG.  2   . Portions of twist-lock-flange  131  and twist-lock-teeth  133  of holder  125  may also be seen in  FIG.  2   . 
       FIG.  3    illustrates a rear view of integrated-lighting-module  100 . Portions of driver cap  101 , of heat sink module  115 , and of holder  125  of integrated-lighting-module  100  may be seen in  FIG.  3   . Portions of side-wall  103  of driver cap  101  may be seen. Portions of fins  117  of heat sink module  115  may be seen. Portions of side wall  119  of heat sink module  115  may be seen. Note as shown in  FIG.  3   , the finned portions of heat sink module  115  may be wider than a bottom portion of heat sink module  115 . That is, the bottom (bottom  1125 ) of heat sink module  115 , where the main opening to the interior of heat sink module  115  may be located, may have a smaller diameter as compared to an upper finned portion of heat sink module  115 ; and in turn this configuration may facilitate more efficient heat dissipation and/or overall improved performance. (The bottom  1125  of heat sink module  115  may be shown in  FIG.  11   .) Portion of side-wall  127  of holder  125  may be seen in  FIG.  3   . A thread lock notch  129  of holder  125  may be seen in  FIG.  3   . Portions of twist-lock-flange  131  and twist-lock-teeth  133  of holder  125  may also be seen in  FIG.  3   . The view of  FIG.  3    may be an opposing view as compared against the view of  FIG.  2   . 
       FIG.  4    illustrates a left-side view of integrated-lighting-module  100 . Portions of driver cap  101 , of heat sink module  115 , and of holder  125  of integrated-lighting-module  100  may be seen in  FIG.  4   . Portions of side-wall  103  of driver cap  101  may be seen. Portions of fins  117  of heat sink module  115  may be seen. Portions of side wall  119  of heat sink module  115  may be seen. Portion of side-wall  127  of holder  125  may be seen in  FIG.  4   . Portions of twist-lock-flange  131  and twist-lock-teeth  133  of holder  125  may also be seen in  FIG.  4   . 
       FIG.  5    illustrates a right-side view of integrated-lighting-module  100 . Portions of driver cap  101 , of heat sink module  115 , and of holder  125  of integrated-lighting-module  100  may be seen in  FIG.  5   . Portions of side-wall  103  of driver cap  101  may be seen. Portions of fins  117  of heat sink module  115  may be seen. Portions of side wall  119  of heat sink module  115  may be seen. Portion of side-wall  127  of holder  125  may be seen in  FIG.  5   . Portions of twist-lock-flange  131  and twist-lock-teeth  133  of holder  125  may also be seen in  FIG.  5   . The view of  FIG.  5    may be an opposing view as compared against the view of  FIG.  4   . 
       FIG.  6    illustrates a top view of integrated-lighting-module  100 . Portions of driver cap  101  and of heat sink module  115  of integrated-lighting-module  100  may be seen in  FIG.  6   . Top  105  of driver cap  101  may be seen in  FIG.  6   . Apertures  109  of driver cap  101  may be seen in  FIG.  6   . Indicator  107  of driver cap  101  may be seen in  FIG.  6   . The outer edges of fins  117  of heat sink module  115  may be seen in  FIG.  6   , being wider (greater in diameter) than driver cap  101  and wider (greater in diameter) than holder  125 . The outer edges of side wall  119  of heat sink module  115  may be seen in  FIG.  6   , being wider (greater in diameter) than driver cap  101  and wider (greater in diameter) than holder  125 . 
     In some embodiments, first top  105  of driver cap  101  may comprise at least one aperture  109 . In some embodiments, first top  105  of driver cap  101  may comprise at least one indicator  107 . See e.g.,  FIG.  1    and  FIG.  6   . 
       FIG.  7    illustrates a bottom view of integrated-lighting-module  100 . Portions of holder  125 , optical reflector  703 , of LED light chip  701 , and of heat sink module  115  of integrated-lighting-module  100  may be seen in  FIG.  7   . Bottom portions of twist-lock-flanges  131  of holder  125  may be seen in  FIG.  7   . Bottom portions of twist-lock-openings  135  of holder  125  may be seen in  FIG.  7   . The two twist-lock-openings  135  may be disposed opposite of each other, separating two different twist-lock-flanges  131 . A bottom portion of optical reflector  703  may be seen in  FIG.  7   . In some embodiments, optical reflector  703  may reflect, direct, distribute, and/or spread out emitted light from LED light chip  701 . A top center hole (top-hole  1131 ) of optical reflector  703  may be where emitted light from LED light chip  701  enters the bottom of optical reflector  703  (see  FIG.  11    for top-hole  1131 ). The outer edges of fins  117  of heat sink module  115  may be seen in  FIG.  7   , being wider (greater in diameter) than driver cap  101  and wider (greater in diameter) than holder  125 . The outer edges of side wall  119  of heat sink module  115  may be seen in  FIG.  7   , being wider (greater in diameter) than driver cap  101  and wider (greater in diameter) than holder  125 . The view of  FIG.  7    may be an opposing view as compared against the view of  FIG.  6   . 
       FIG.  8    illustrates a bottom perspective view of integrated-lighting-module  100 . Portions of driver cap  101 , of heat sink module  115 , of holder  125 , of optical reflector  703 , and of LED light chip  101 , all of integrated-lighting-module  100 , may be seen in  FIG.  8   . 
       FIG.  9    illustrates the right-side view of integrated-lighting-module  100  while showing some dimensional relationships of integrated-lighting-module  100 .  FIG.  9    may be substantially similar to identical to  FIG.  5   , except in  FIG.  9    various dimensional call-outs and/or relationships may be shown. For example, and without limiting the scope of the present invention the following may be shown in  FIG.  9   : heat-sink-module-top-diameter  901 , twist-lock-flange-outer-diameter  903 , holder-side-wall-diameter  905 , assembled-integrated-lighting-module-length  907 , assembled-holder-length  909 , and/or assembled-driver-cap-and-heat-sink-module-length  911 . 
     Continuing discussing  FIG.  9   , in some embodiments, heat-sink-module-top-diameter  901  may be an outer (outside) diameter of heat-sink-module  115  as measured near a top of heat sink module  115 . In some embodiments, heat-sink-module-top-diameter  901  may be 55.65 mm (millimeters), plus or minus 5 mm. (In some embodiments, 55.65 mm may be about 2.19 inches.) In some embodiments, holder-side-wall-diameter  903  may be an outer (outside) diameter of holder  125  as measured at side-wall  127  of holder  125 . In some embodiments, holder-side-wall-diameter  903  may be 45.80 mm, plus or minus 5 mm. (45.80 mm may be about 1.80 inches.) In some embodiments, twist-lock-flange-outer-diameter  905  may be an outer (outside) diameter across twist-lock-flange  131  of holder  125 . In some embodiments, twist-lock-flange-outer-diameter  905  may be 49.98 mm, plus or minus 5 mm. (49.98 mm may be about 1.97 inches.) In some embodiments, assembled-integrated-lighting-module-length  907  may be an overall length (height) of integrated-lighting-module  100 , when integrated-lighting-module  100  may be in its assembled configuration. In some embodiments, assembled-integrated-lighting-module-length  907  may be 72.70 mm, plus or minus 5 mm. In some embodiments, assembled-holder-length  909  may be a length of holder  125 , when holder  125  may be assembled into a given integrated-lighting-module  100  from a bottom of holder  125  towards its top (top  1141  shown in  FIG.  11   ). In some embodiments, assembled-driver-cap-and-heat-sink-module-length  911  may be length from top  105  of driver cap  101  towards a bottom portion of heat sink module  115 , below fins  117 , when driver cap  101  and heat sink module  115  may be assembled into a given integrated-lighting-module  100 . In some embodiments, heat-sink-module-top-diameter  901  may be greater than holder-side-wall-diameter  903 ; which may facilitate improved heat dissipation efficiency and/or overall improved performance. In some embodiments, a ratio of heat-sink-module-top-diameter  901  to holder-side-wall-diameter  903  may be greater than one up to and including 1.5. For example, and without limiting the scope of the present invention, a ratio of heat-sink-module-top-diameter  901  to holder-side-wall-diameter  903  may be from 1.21 to 1.22. 
       FIG.  10    illustrates the bottom view of integrated-lighting-module  100  while showing some dimensional relationships (e.g., radii) of integrated-lighting-module  100 .  FIG.  10    may be substantially similar to  FIG.  7   , except in  FIG.  10    two radius may be called out, fin-radius  1001  and flange-radius  1003 . In some embodiments, fin-radius  1001  may be a radius as measured from out an outer fin  117  surface to a center of integrated-lighting-module  100 ; wherein the center is the center of the view of the figure shown in  FIG.  10   . In some embodiments, fin-radius  1001  may be 27.83 mm, plus or minus 2.5 mm. In some embodiments, flange-radius  1003  may be a radius from an outside edge of twist-lock-flange  131  to this center. In some embodiments, flange-radius  1003  may be 24.99 mm, plus or minus 2.5 mm. 
     In some embodiments, other dimensions for heat-sink-module-top-diameter  901 , holder-side-wall-diameter  903 , twist-lock-flange-outer-diameter  905 , assembled-integrated-lighting-module-length  907 , assembled-holder-length  909 , assembled-driver-cap-and-heat-sink-module-length  911 , fin-radius  1001 , and/or flange-radius  1003  are contemplated. In some embodiments, dimensions for heat-sink-module-top-diameter  901 , holder-side-wall-diameter  903 , twist-lock-flange-outer-diameter  905 , assembled-integrated-lighting-module-length  907 , assembled-holder-length  909 , assembled-driver-cap-and-heat-sink-module-length  911 , fin-radius  1001 , and/or flange-radius  1003  may be fixed and predetermined. 
       FIG.  11    illustrates an exploded top perspective view of integrated-lighting-module  100 .  FIG.  11    may show main sub-components separated from each other of integrated-lighting-module  100 .  FIG.  11    may show driver cap  101  separated from heat sink module  115 .  FIG.  11    may show heat sink module  115  separated from: LED light chip  701  (that may emit light), optical reflector  703 , and holder  125 . 
     Continuing discussing  FIG.  11   , in some embodiments, the substantially cylindrically shaped heat sink module  115  may have a top  1115  and a bottom  1125 . In some embodiments, top  1115  may be disposed opposite from bottom  1125 . In some embodiments, in top  1115  may be various holes and/or apertures, such as, but not limited to, aperture  1117 , aperture(s)  1119 , and/or aperture  1121 . In some embodiments, apertures in top  1115 , may be for receiving screws, bolts, wiring, cabling, and/or at least portions of electronic components. In some embodiments, aperture  1117 , aperture(s)  1119 , and/or aperture  1121  may be for receiving screws, bolts, wiring, cabling, and/or at least portions of electronic components. In some embodiments, at least one fin  117  may run substantially linearly (straight) across top  1115 . In some embodiments, at least one fin  117  may run substantially linearly (straight) across top  1115 , except where interrupted by an aperture (e.g., aperture  1117 , aperture(s)  1119 , and/or aperture  1121 ) and where two opposing regions of side wall  119  may descend from top  1115 . In some embodiments, at least two fins  117  may run substantially parallel across top  1115 . In some embodiments, at least two fins  117  may run substantially parallel across top  1115 , except where interrupted by an aperture (e.g., aperture  1117 , aperture(s)  1119 , and/or aperture  1121 ) and where two opposing regions of side wall  119  may descend from top  1115 . In some embodiments, the finned regions (of fins  117 ) of heat sink module  115 , may occupy the majority of the upper portions of heat sink module  115 . In some embodiments, bottom portions of heat sink module  115  may have no fins  117 . In some embodiments, the upper finned regions of heat sink module  115  may have a greater diameter (e.g., heat-sink-module-top-diameter  901 ) than the none finned bottom portions of heat sink module  115  (e.g., hear or proximate to holder-side-wall-diameter  903 ). In some embodiments, a bottom portion of heat sink module  115  may have threading  1123 . In some embodiments, threading  1123  may permit removable attachment of heat sink module  115  to optical reflector  703 . In some embodiments, threading  1123  may permit removable attachment of heat sink module  115  to holder  125 . In some embodiments, threading  1123  may wrap entirely around the bottom portion(s) of heat sink module  115 . 
     Continuing discussing  FIG.  11   , in some embodiments, optical reflector  703  have a top (at top-hole  1131 ) and a bottom  1133 , wherein the top may be disposed away from the bottom  1133 . In some embodiments,  703  may be substantially conical in space, but without a cone&#39;s point; instead, a cone&#39;s point might reside may be replaced with top-hole  1131 . In some embodiments, top-hole  1131  may permit at least some light emitted from LED light chip  701  to enter the underside (bottom) of optical reflector  703 . In some embodiments, LED light chip  701  may be mounted at or proximate (near/adjacent) to top-hole  1131 . In some embodiments, the underside (bottom) of optical reflector  703  may be substantially reflective and/or shiny, to facilitate reflecting at least some light out through bottom  1133 , which may be substantially open. In some embodiments, optical reflector  703  may help to reflect, direct, distribute, and/or spread out at least some emitted light from LED light chip  701 . 
     Continuing discussing  FIG.  11   , in some embodiments, a top  1141  of the substantially cylindrically shaped and hollow holder  125  may be shown. At least some interior surfaces of holder  125  may be seen in  FIG.  11   . In some embodiments, at least some portions of the interior surfaces of holder  125  may comprise internal-threading  1143 . In some embodiments,  1143  may be complimentary to threading  1123  of heat sink module  115 . In some embodiments, heat sink module  115  may be removably attached to holder  125 . In some embodiments, threading  1123  of heat sink module  115  may be removably and complimentary threaded onto internal-threading  1143  of holder  125 . In some embodiments, threading  1123  of heat sink module  115  may removably and complimentary thread onto thread lock notches  129  of holder  125 . In some embodiments, holder  125  may have an upper opening at top  1141  with a (fixed and/or finite) diameter dimension selected from a range of one-half (0.5) inch to two and one-half (2.5) inches; wherein this upper opening may be in communication with at least some portion of heat sink module  115 . In some embodiments, this diameter (of the upper opening at top  1141 ) may be selected from a range from one and one-half (1.5) inches to two and one-quarter (2.25) inches. In some embodiments, upper opening at top  1141  may be at least mostly/substantially circular. 
     In some embodiments, a given integrated-lighting-module  100  may comprise: a driver cap  101 , a heat sink module  115 , a LED light chip  701 , an optical reflector  703 , and a holder  125 . See e.g.,  FIG.  11   ,  FIG.  1   , and/or  FIG.  15   . 
     In some embodiments, driver cap  101  may have first side walls  103 , a first top  105  that caps the first side walls  103 , and may be open at a first bottom  111 . In some embodiments, first side walls  103  and first top  105  may substantially surround a first volume of driver cap  101 , wherein the first volume may be configured to receive a driver. This first volume of driver cap  101  may be located beneath first top  105  and within first side walls  103 . The driver may power LED light chip  701 . See e.g.,  FIG.  11    and  FIG.  1   . 
     In some embodiments, heat sink module  115  may be finned on an upper portion for heat dissipation and heat sink module  115  may be non-finned on a bottom portion. In some embodiments, the upper portion of heat sink module  115  may have a larger diameter than the bottom portion of heat sink module  115 . In some embodiments, the bottom portion of heat sink module  115  may curve and transition into the upper portion of heat sink module  115 . In some embodiments, first bottom  111  of driver cap  101  may be attachable to a second top  1115 , wherein second top  1115  may be top  1115  of heat sink module  115 . See e.g.,  FIG.  11    and  FIG.  1   . 
     In some embodiments, the upper portion of heat sink module  115  may be finned with at least two fins  117 . In some embodiments, at least two fins  117  may be substantially parallel and run substantially linearly across second top  1115  of heat sink module  115 . In some embodiments, second top  1115  of heat sink module  115  may comprise at least one aperture (such as, but not limited to, aperture  1117 , aperture  1119 , and/or aperture  1121 ). In some embodiments, the at least one aperture (such as, but not limited to, aperture  1117 , aperture  1119 , and/or aperture  1121 ) may interrupt at least one fin  117  of heat sink module  115 . In some embodiments, the bottom portion of heat sink module  115  may comprise threading  1123  for removable attachment to holder  125 . See e.g.,  FIG.  11   . 
     In some embodiments, LED light chip  701  may be configured to emit light. In some embodiments, optical reflector  703  may be substantially conical in shape for reflecting and directing at least some light from LED light chip  701  out of a second bottom  1133 , wherein the second bottom  1133  is bottom  1133  of optical reflector  703 . In some embodiments, LED light chip  701  may be disposed above top-hole  1131  of optical reflector  703  and within heat sink module  115 , wherein top-hole  1131  may be located at a top of optical reflector  703 . See e.g.,  FIG.  11    and  FIG.  7   . 
     In some embodiments, holder  125  may have second side-walls  127  that may substantially surround a second volume. In some embodiments, this second volume (of holder  125 ) may be configured to receive at least a portion of the bottom portion of heat sink module  115  (such as, but not limited a portion of heat sink module  115  with threading  1123 ). In some embodiments, holder  125  may be open at both a third top  1141  and at a third bottom, wherein third top  1141  is top  1141  of holder  125 , wherein the third bottom is a bottom of holder  125 . See e.g.,  FIG.  11   . 
     In some embodiments, the third bottom of holder  125  may comprise two twist-lock-flanges  131  that may be configured for removable attachment to trim  1221 , wherein each of the two twist-lock-flanges  131  is a flange. In some embodiments, the two twist-lock-flanges  131  may be separated from each other by two twist-lock-openings  135  that are breaks between the two twist-lock-flanges  131 . In some embodiments, each of the two twist-lock-flanges  131  may begin with twist-lock-teeth  133 , wherein the twist-lock-teeth  133  are configured to removably engage at least a portion of trim  1221 . See e.g.,  FIG.  1   ,  FIG.  7   ,  FIG.  11   , and  FIG.  12 A . 
     In some embodiments, second side-walls  127  of holder  125  may comprise at least one thread lock notch  129  that is a through hole passing through a portion of the second side-walls  127 , wherein the at least one thread lock notch  129  is configured to receive at least one screw to secure a portion of optical reflector  703  against heat sink module  115 . See e.g.,  FIG.  1    and  FIG.  11   . 
     In some embodiments, an interior surface of second side walls  127  of holder  125  may comprise internal-threading  1143  for removable attachment to heat sink module  115 . In some embodiments, internal-threading  1143  of holder  125  may complimentary mate with threading  1123  of heat sink module  115  that is located on the bottom portion of heat sink module  115 . See e.g.,  FIG.  11    and  FIG.  1   . 
       FIG.  12 A  illustrates an exploded bottom perspective view of the assembled integrated-lighting-module  100  with respect to a frame  1201 , a can  1211 , and a trim  1221 .  FIG.  12 A  may depict an operational environment for the assembled integrated-lighting-module  100 . In some embodiments, the assembled integrated-lighting-module  100  may be inserted into can  1211 . In some embodiments, at least a portion of can  1211  may be fitted into a frame hole  1203 , wherein the frame hole  1203  may be hole in frame  1201  for receiving at least a portion of can  1211 . In some embodiments, the assembled integrated-lighting-module  100  (e.g., the twist-lock-teeth  133 ) may be attached (removably so in some embodiments) to trim  1221 . Outer edges of the main flange of trim  1221  may cover over rough ceiling (or wall) holes. In some embodiments, trim  1221  may be of a fixed and predetermined size. In some embodiments, trim  1221  may be a “MR16” standard sized trim as that term may be used in the United States lighting industry. In some embodiments, trim  1221  may be other standard sizes. In some embodiments,  FIG.  12 A  may show full assembly  1299  in an exploded state. In some embodiments, full assembly  1299  may comprise: frame  1201 , can  1211 , the assembled integrated-lighting-module  100 , and trim  1221 . In some embodiments, full assembly  1299  may be a lighting system. 
       FIG.  12 B  illustrates an exploded side view (or rear view for view terminology of  FIG.  3   ) of the assembled integrated-lighting-module  100  with respect to frame  1201 , can  1211 , and trim  1221 . In some embodiments,  FIG.  12 B  may show full assembly  1299  in an exploded state. As noted, in some embodiments, full assembly  1299  may comprise: frame  1201 , can  1211 , the assembled integrated-lighting-module  100 , and trim  1221 . 
     In some embodiments, a system for lighting may comprise at least one integrated-lighting-module  100  (e.g., assembled), and one or more of: at least one trim  1221 , at least one can  1211 , and/or at least one frame  1201 . 
     In some embodiments, the invention may be characterized as a system for lighting. In some embodiments, the system may comprise integrated-lighting-module  100  and trim  1221 . In some embodiments, trim  1221  may be sized as “MR16” which is a standard size of trim in the United States lighting industry. In some embodiments, trim  1221  may be other fixed and predetermined sizes. In some embodiments, the system may further comprise can  1211 , wherein integrated-lighting-module  100  is received substantially within can  1211 . In some embodiments, the system may further comprise frame  1201 , wherein frame  1201  is configured to hold can  1211 ; wherein can  1211  is configured to hold the integrated-lighting-module  100 . See e.g.,  FIG.  12 A  or  FIG.  12 B . 
       FIG.  13 A  through and including  FIG.  13 I  may depict schematic block diagrams of side views of integrated-lighting-module  100  with a focus on how driver cap  101  mates with (attaches to) heat sink module  115 ; and how heat sink module  115  mates with (attaches to) holder  125 . Because of this focus, some details of integrated-lighting-module  100  may be omitted in  FIG.  13 A  through and including  FIG.  13 I , such as, but not limited to, heat sink module  115  fins and/or holder  125  external annular flange  131 . 
     Note, broken lines (dashed lines) in  FIG.  13 A  through  FIG.  13 I  may indicate portions of a component/part that may reside within another/different component/part of a given (assembled) integrated-lighting-module  100  embodiment. 
     In some embodiments, an actual shape and/or a detailed shape of driver cap  101 , heat sink module  115 , and/or of holder  125  from  FIG.  13 A  through and including  FIG.  13 I  may be substantially as shown in  FIG.  1    through and including  FIG.  11   . 
     In some embodiments, an actual shape and/or a detailed shape of driver cap  101 , heat sink module  115 , and/or of holder  125  from  FIG.  13 A  through and including  FIG.  13 I  may be substantially as shown in  FIG.  16 A  through and including  FIG.  16 C . 
       FIG.  13 A  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1301  and communication-region-between-heat-sink-module-and-holder  1303 .  FIG.  13 A  may show communication-region-between-driver-cap-and-heat-sink-module  1301 , which may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be in (physical) communication with each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1301  may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be (physically) attached to each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1301  may show that an outside diameter of a bottom region of driver cap  101  and an outside diameter of a top region of heat sink module  115  may be substantially similar (the same) with each other. 
       FIG.  13 A  may show communication-region-between-heat-sink-module-and-holder  1303 , which may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and holder  125  may be in (physical) communication with each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1303  may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and holder  125  may be (physically) attached to each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1303  may show that an outside diameter of a bottom region of heat sink module  115  fits within an inside diameter of a top region of holder  125 . 
       FIG.  13 B  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1305  and communication-region-between-heat-sink-module-and-holder  1303 .  FIG.  13 B  may show communication-region-between-driver-cap-and-heat-sink-module  1305 , which may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be in (physical) communication with each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1305  may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be (physically) attached to each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1305  may show that an outside diameter of a top region of heat sink module  115  fits within an inside diameter of a bottom region of driver cap  101 .  FIG.  13 B  may also show communication-region-between-heat-sink-module-and-holder  1303 , which may be as shown and described in  FIG.  13 A . 
       FIG.  13 C  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1307  and communication-region-between-heat-sink-module-and-holder  1303 .  FIG.  13 C  may show communication-region-between-driver-cap-and-heat-sink-module  1307 , which may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be in (physical) communication with each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1307  may be a region between driver cap  101  and that of heat sink module  115  where driver cap  101  and heat sink module  115  may be (physically) attached to each other. In some embodiments, communication-region-between-driver-cap-and-heat-sink-module  1307  may show that an outside diameter of a bottom region of driver cap  101  fits within an inside diameter of a top region of heat sink module  115 .  FIG.  13 C  may also show communication-region-between-heat-sink-module-and-holder  1303 , which may be as shown and described in  FIG.  13 A . 
       FIG.  13 D  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1301  and communication-region-between-heat-sink-module-and-holder  1309 .  FIG.  13 D  may show communication-region-between-heat-sink-module-and-holder  1309 , which may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and holder  125  may be in (physical) communication with each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1309  may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and holder  125  may be (physically) attached to each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1309  may show that an outside diameter of a top region of holder  125  fits within an inside diameter of a bottom region of heat sink module  115 .  FIG.  13 D  may also show communication-region-between-driver-cap-and-heat-sink-module  1301 , which may be as shown and described in  FIG.  13 A . 
       FIG.  13 E  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1305  (e.g., as shown and discussed for  FIG.  13 B ) and with communication-region-between-heat-sink-module-and-holder  1309  (e.g., as shown and discussed for  FIG.  13 D ). 
       FIG.  13 F  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1307  (e.g., as shown and discussed for  FIG.  13 C ) and with communication-region-between-heat-sink-module-and-holder  1309  (e.g., as shown and discussed for  FIG.  13 D ). 
       FIG.  13 G  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1301  and communication-region-between-heat-sink-module-and-holder  1311 .  FIG.  13 G  may show communication-region-between-heat-sink-module-and-holder  1311 , which may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and heat sink module  115  may be in (physical) communication with each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1311  may be a region between heat sink module  115  and that of holder  125  where heat sink module  115  and holder  125  may be (physically) attached to each other. In some embodiments, communication-region-between-heat-sink-module-and-holder  1311  may show that an outside diameter of a bottom region of heat sink module  115  and an outside diameter of a top region of holder  125  may be substantially similar (the same) with each other.  FIG.  13 G  may also show communication-region-between-driver-cap-and-heat-sink-module  1301 , which may be as shown and described in  FIG.  13 A . 
       FIG.  13 H  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1305  (e.g., as shown and discussed for  FIG.  13 B ) and with communication-region-between-heat-sink-module-and-holder  1311  (e.g., as shown and discussed for  FIG.  13 G ). 
       FIG.  13 I  may show an integrated-lighting-module  100  embodiment with both communication-region-between-driver-cap-and-heat-sink-module  1307  (e.g., as shown and discussed for  FIG.  13 C ) and with communication-region-between-heat-sink-module-and-holder  1311  (e.g., as shown and discussed for  FIG.  13 G ). 
     In some embodiments, a largest outside diameter of a given integrated-lighting-module  100 , may be from a portion/region of one or more of: driver cap  101 , heat sink module  115 , and/or holder  125 . See e.g.,  FIG.  13 A  through and including  FIG.  13 I . 
     In some embodiments, a smallest outside diameter of a given integrated-lighting-module  100 , may be from a portion/region of one or more of: driver cap  101 , heat sink module  115 , and/or holder  125 . See e.g.,  FIG.  13 A  through and including  FIG.  13 I . 
     In some embodiments, in communication-region-between-heat-sink-module-and-holder  1303 , at least some portion of the bottom region of heat sink module  115  may have outside threading  1123 ; and at least some portion of the top region of holder  125  may have inside threading  1143 . In some embodiments, threadings  1123  and  1143  may be complimentary and/or removably attach to each other. See e.g.,  FIG.  13 A  to  FIG.  13 C ,  FIG.  11   , and  FIG.  15   . 
     In some embodiments, in communication-region-between-driver-cap-and-heat-sink-module  1305 , at least some portion of the top region of heat sink module  115  may have outside threading; and at least some portion of the bottom region of driver cap  101  may have inside threading. In some embodiments, these threadings may be complimentary and/or removably attach to each other. See e.g.,  FIG.  13 B ,  FIG.  13 E , and/or  FIG.  13 H . 
     In some embodiments, in communication-region-between-driver-cap-and-heat-sink-module  1307 , at least some portion of the bottom region of driver cap  101  may have outside threading; and at least some portion of the top region of heat sink module  115  may have inside threading. In some embodiments, these two threadings may be complimentary and/or removably attach to each other. See e.g.,  FIG.  13 C ,  FIG.  13 F , and/or  FIG.  13 I . 
     In some embodiments, in communication-region-between-heat-sink-module-and-holder  1309 , at least some portion of the top region of holder  125  may have outside threading; and at least some portion of the bottom region of heat sink module  115  may have inside threading. In some embodiments, these threadings may be complimentary and/or removably attach to each other. See e.g.,  FIG.  13 D  to  FIG.  13 F . 
     In some embodiments, the outside diameters and/or the inside diameters of regions  1301  to  1311  may be selected from a range of one-half (0.5) inch to two and a half (2.5) inches. In some embodiments, the outside diameters and/or the inside diameters of regions  1301  to  1311  may be selected from a range of one and one quarter (1.25) inch to one and three quarter (1.75) inches. In some embodiments, the outside diameters and/or the inside diameters of regions  1301  to  1311  may be selected from a range of one and one-half (1.50) inches to two and one-quarter (2.25) inches. In some embodiments, a given diameter itself may be finite and fixed (non-variable). 
     In some embodiments, the physical communication and/or the attachment between a bottom region of driver cap  101  and a top region of heat sink module  115  may be selected from one or more of: a mating threaded connection; a snap fit; a press fit; an interference fit; a friction fit; a tongue and groove connection; an alternating tab/tooth-and-gap connection; a mechanical fastener; a clip; a screw; a bolt; a rivet; a nail; a tack; a staple; a brad; a pin; a rod; a linkage; a chain; a hinge; a weld; a heat weld; a tack weld; an ultrasonic weld; a solvent bond; adhesive; glue; epoxy; Velcro (or Velcro like); tape; portions thereof; combinations thereof; and/or the like. 
     In some embodiments, the physical communication and/or the attachment between a bottom region of heat sink module  115  and a top region of holder  125  may be selected from one or more of: a mating threaded connection; a snap fit; a press fit; an interference fit; a friction fit; a tongue and groove connection; an alternating tab/tooth-and-gap connection; a mechanical fastener; a clip; a screw; a nail; a tack; a staple; a brad; a pin; a rod; a weld; a heat weld; a tack weld; an ultrasonic weld; a solvent bond; adhesive; glue; epoxy; Velcro (or Velcro like); portions thereof; combinations thereof; and/or the like. 
     In some embodiments, the regions of communications between components/parts associated with reference numerals  1301 ,  1303 ,  1305 ,  1307 ,  1309 , and/or  1311  may be selected from one or more of: a mating threaded connection; a snap fit; a press fit; an interference fit; a friction fit; a tongue and groove connection; an alternating tab/tooth-and-gap connection; a mechanical fastener; a clip; a screw; a nail; a tack; a staple; a brad; a pin; a rod; a weld; a heat weld; a tack weld; an ultrasonic weld; a solvent bond; adhesive; glue; epoxy; Velcro (or Velcro like); portions thereof; combinations thereof; and/or the like. 
       FIG.  14 A  through and including  FIG.  14 C  may depict schematic block diagrams of side views of heat sink module  115  and holder  125  (when assembled to each other), with a focus on where LED light chip  701  and/or optical reflector  703  may reside therein. In some embodiments, reference numeral  1401  may be a region-for-housing LED light chip  701 . In some embodiments, reference numeral  1403  may be a region-for-housing optical reflector  703 . In some embodiments, region-for-housing-LED-chip  1401  may be entirely within heat sink module  115 . In some embodiments, region-for-housing-LED-chip  1401  may be at least mostly below (underneath) fin(s)  117  and surrounded by sides of heat sink module  115 . In some embodiments, a bottom portion of heat sink module  115  may extend into a top portion of holder  125  (see e.g.,  FIG.  14 A  and/or communication-region-between-heat-sink-module-and-holder  1303  in  FIG.  13 A ). In some embodiments, a top portion of holder  125  may extend into a bottom portion of heat sink module  115  (see e.g.,  FIG.  14 B  and/or communication-region-between-heat-sink-module-and-holder  1309  in  FIG.  13 D ). In some embodiments, a bottom portion of heat sink module  115  may butt up against a top portion of holder  125  (see e.g.,  FIG.  14 C  and/or communication-region-between-heat-sink-module-and-holder  1311  in  FIG.  13 G ). In some embodiments, a bottom portion of heat sink module  115  may have an outside diameter that may be about the same as the outside diameter of a top portion of holder  125  (see e.g.,  FIG.  14 C  and/or communication-region-between-heat-sink-module-and-holder  1311  in FIG.  13 G). In some embodiments, region-for-housing-reflector  1403  may be entirely within holder  125 . In some embodiments, region-for-housing-reflector  1403  may be within holder  125  and within heat sink module  115 . In some embodiments, region-for-housing-reflector  1403  may be mostly within holder  125  and partially within heat sink module  115 . In some embodiments, region-for-housing-LED-chip  1401  may be located above region-for-housing-reflector  1403 . In some embodiments, region-for-housing-reflector  1403  may be located below region-for-housing-LED-chip  1401 . See e.g.,  FIG.  14 A  to  FIG.  14 C . 
     In some embodiments, when integrated-lighting-module  100  may be in its assembled configuration, LED light chip  701  (from its top or its bottom) may be located closer to a top of heat sink module  115  than to a bottom of holder  125 . See e.g.,  FIG.  14 A  to  FIG.  14 C . 
     In some embodiments, when integrated-lighting-module  100  may be in its assembled configuration, a top of optical reflector  703  may be located closer to a top of heat sink module  115  than to a bottom of holder  125 . See e.g.,  FIG.  14 A  to  FIG.  14 C . 
       FIG.  15    may be a lengthwise (top to bottom) cross-sectional diagram through a given integrated-lighting-module  100 . In some embodiments, a plane of this cross-section of  FIG.  15    may be substantially parallel with a major/main plane of a fin  117  of heat sink module  115 . In some embodiments, volume  1501  may be a volume within/inside of driver cap  101 . In some embodiments, volume  1501  may be configured to house and/or receive at least one (electronic) driver. For these reasons, in some embodiments, volume  1501  may be referred to a driver-volume  1501 . In some embodiments, volume  1503  may be volume within/inside of a bottom region of heat sink module  115  and within/inside a top region of holder  125 . In some embodiments, volume  1503  may be bounded on its top by heat sink module  115  (such as, but not limited to, fin(s)  117 ). In some embodiments, volume  1503  may be bounded on its sides by sides of heat sink module  115  and/or by sides of holder  125 . In some embodiments, volume  1503  may be at least mostly open on its bottom (e.g., to provide for light emission/escape). In some embodiments, volume  1503  may be configured to house and/or receive at least one LED light chip  701  and/or at least one optical reflector  703 . In some embodiments, volume  1503  may provide region-for-housing-LED-chip  1401  and region-for-housing-reflector  1403 . In some embodiments, prior to attaching holder  125  to heat sink module  115 , LED light chip  701  may be attached to a bottom interior of heat sink module  115  within volume  1503 ; and then optical reflector  703  may be added to (inserted) into volume  1503 , below LED light chip  701 ; and then lastly holder  125  may be attached to heat sink module  115 . 
     In some embodiments, (at least one) LED light chip  701  may be radially surrounded by portions of heat sink module  115 . In some embodiments, (at least one) LED light chip  701  may be attached to heat sink module  115 . In some embodiments, (at least one) LED light chip  701  may be attached a bottom portion of heat sink module  115 . In some embodiments, (at least one) LED light chip  701  may be attached a central portion of heat sink module  115 . In some embodiments, (at least one) LED light chip  701  may be attached a bottom central portion of heat sink module  115 . See e.g.,  FIG.  15    and  FIG.  11   . 
     In some embodiments, when integrated-lighting-module  100  may be in its assembled configuration, LED light chip  701  (from its top or its bottom) may be located closer to a bottom of holder  125  than to a top of heat sink module  115 . See e.g.,  FIG.  15   . 
     In some embodiments, when integrated-lighting-module  100  may be in its assembled configuration, a top of optical reflector  703  may be located closer to a bottom of holder  125  than to a top of heat sink module  115 . See e.g.,  FIG.  15   . 
       FIG.  16 A  through and including  FIG.  16 C  may depict schematic block diagrams of side views of driver caps  101  and of heat sink modules  115 , with each such figure showing a single driver cap  101  paired with a single heat sink module  115 ; wherein these figures on showing an overall shapes relationship between a given driver cap  101  and its heat sink module  115 . Because of this focus, some details of driver cap  101  and/or of heat sink module  115  may be omitted in  FIG.  16 A  through and including  FIG.  16 C , such as, but not limited to, heat sink module  115  fins. Note,  FIG.  16 A  through and including  FIG.  16 C  also show the given driver cap  101  and its associated heat sink module  115  dissembled from each other; however, during intended use the given driver cap  101  and its associated heat sink module  115  would be attached to each other (e.g., as shown in  FIG.  1   ,  FIG.  13 A  to  FIG.  13 I ,  FIG.  12   , and/or  FIG.  15   ). 
     Discussing  FIG.  16 A , in some embodiments, an outside diameter of side-walls  103  of driver cap  101  may be substantially (mostly) similar (or the same) as an outside diameter of a top (upper) region of heat sink module  115  (see also region  1301  of  FIG.  13 A  for this same/similar outside diameter configuration between driver cap  101  and heat sink module  115 ). In some embodiments, the outside diameter of heat sink module  115  may become smaller from the top of  115  to the bottom of  115 . In some embodiments, a bottom portion of heat sink module  115  may have a smaller outside diameter than a top (upper) region of heat sink module  115  has. In some embodiments, a bottom portion of heat sink module  115  may have uniform and non-variable outside diameter (e.g., with a right cylinder shape) that may be smaller than the outside diameter of a top (upper) region of heat sink module  115 . In some embodiments, heat sink module  115  may have a general shape (e.g., not necessarily including shapes of fin(s)  117 ) that may be at least substantially similar to a funnel and/or a conical frustum. In some embodiments, an upper portion of heat sink module  115  may have a general shape (e.g., not necessarily including shapes of fin(s)  117 ) that may be at least substantially similar to a funnel and/or a conical frustum; and a bottom portion of heat sink module  115  may have shape that may be at least substantially similar to a right cylinder; and the upper portion of heat sink module  115  may be attached to the bottom portion of heat sink module  115 . In some embodiments, the upper portion of heat sink module  115  and the bottom portion of heat sink module  115  may be different portions of a single/same article of manufacture. In some embodiments, a transition from a largest outside diameter of heat sink module  115  to a smallest outside diameter of heat sink module  115  may be smooth, gradual, and/or linear. See e.g.,  FIG.  16 A . (In some embodiments, a bottom of heat sink module  115  may be at least mostly open, to provide some access to volume  1503 , see e.g.,  FIG.  15   .) 
     Discussing  FIG.  16 B , in some embodiments, an outside diameter of side-walls  103  of driver cap  101  may be larger than an outside diameter of heat sink module  115  (see also region  1305  of  FIG.  13 B  for this same/similar outside diameter configuration between driver cap  101  and heat sink module  115 ). In some embodiments, a transition from a larger outside diameter of driver cap  101  to a smaller outside diameter of heat sink module  115  may be abrupt as in a step from one outside diameter to another. In some embodiments, an outside diameter of heat sink module  115  may be uniform and non-variable along an overall length (height) of heat sink module  115 . In some embodiments, heat sink module  115  may have a general shape (e.g., not necessarily including shapes of fin(s)  117 ) that may be at least substantially similar to a right cylinder. See e.g.,  FIG.  16 B . 
     Discussing  FIG.  16 C , in some embodiments, an outside diameter of side-walls  103  of driver cap  101  may be substantially (mostly) similar (or the same) as an outside diameter of a portion of heat sink module  115  that is not closest to driver cap  101 . In some embodiments, a portion of heat sink module  115  that may be closest to driver cap  101  may have an outside diameter that is smaller than the outside diameter of driver cap  101 . In some embodiments, a top (upper) portion of heat sink module  115  that may be closest to driver cap  101  may have an outside diameter that is smaller than the outside diameter of driver cap  101 . In some embodiments, a portion of heat sink module  115  that may be furthest from driver cap  101  may have an outside diameter that is smaller than the outside diameter of driver cap  101 . In some embodiments, a bottom portion of heat sink module  115  that may be furthest from driver cap  101  may have an outside diameter that is smaller than the outside diameter of driver cap  101 . In some embodiments, a middle portion of heat sink module  115  (with respect to a length/height of heat sink module  115 ) may have an outside diameter that is at least substantially (mostly) the same as the outside diameter of driver cap  101 . In some embodiments, the top (upper) portion, the middle portion, and the bottom portion of heat sink module  115  may be all of a single integral article of manufacture. In some embodiments, a transition from a largest outside diameter of heat sink module  115  to a smallest (or smaller) outside diameter of heat sink module  115  may be abrupt as in a step from one outside diameter to another. See e.g.,  FIG.  16 C . 
     Note,  FIG.  17 A  through  FIG.  17 H  show various shapes of heat sink modules  115 , wherein these heat sink module shapes shown in  FIG.  17 A  to  FIG.  17 H  may be pre-existing, i.e., prior art. However, attachment and/or use of these heat sink module shapes with driver  101 , holder  125 , LED light chip  701 , optical reflector  703 , and/or a trim may be novel and non-obvious. 
       FIG.  17 A  shows a general side view of a heat sink module  115  that may be substantially cylindrical in its outer shape/appearance. In some embodiments, substantially cylindrical heat sink module  115  may have a fixed, finite, and/or common/same outer diameter all along a length/height of substantially cylindrical heat sink module  115 . In some embodiments, a top portion/region of substantially cylindrical heat sink module  115  may be configured for attachment to driver cap  101 . In some embodiments, a bottom portion/region of substantially cylindrical heat sink module  115  may be configured for attachment to holder  125 . In some embodiments, this substantially cylindrical heat sink module  115  may have a plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of substantially cylindrical heat sink module  115 . In some embodiments, plurality of fins  117  may run from a bottom to a top of substantially cylindrical heat sink module  115 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion of an exterior portion of plurality of fins  117  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of substantially cylindrical heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 B  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance. In some embodiments, the outer shape/appearance of heat sink module  115  may comprise three distinct regions, each of its own particular geometry, upper-region  1701 , middle-region  1703 , and bottom-region  1705 . In some embodiments, upper-region  1701  may have an outer shape/appearance that may be substantially shaped as a conical frustum. In some embodiments, middle-region  1703  may have an outer shape/appearance that may be substantially shaped as a right cylinder. In some embodiments, bottom-region  1705  may have an outer shape/appearance that may be substantially shaped as a conical frustum and/or substantially shaped as a right cylinder. In some embodiments, middle-region  1703  may be disposed between upper-region  1701  and bottom-region  1705 . In some embodiments, a top of middle-region  1703  may be attached/connected to a bottom of upper-region  1701 . In some embodiments, a bottom of middle-region  1703  may be attached/connected to a top of bottom-region  1705 . In some embodiments, upper-region  1701 , middle-region  1703 , and bottom-region  1705  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at a bottom of upper-region  1701  and/or at middle-region  1703 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at a top of upper-region  1701 . In some embodiments, an outside diameter of bottom-region  1705  may be less than an outside diameter of middle-region  1703 . In some embodiments, a widest diameter of upper-region  1701  may be located closer to a bottom of heat sink module  115 ; whereas, a narrowest diameter of upper-region  1701  may be located closer to a top of heat sink module  115  (note, this may be an opposite orientation as compared to heat sink module  115  of  FIG.  17 D ). Continuing discussing  FIG.  17 B , in some embodiments, with respect to an overall length/height of heat sink module  115 , bottom-region  1705  may be shortest and upper-region  1701  may be longest. In some embodiments, with respect to the overall length/height of heat sink module  115 , middle-region  1703  may be longer than bottom-region  1705  but shorter than upper-region  1701 . In some embodiments, a transition from middle-region  1703  to bottom-region  1705  may be as a step, i.e., abrupt. In some embodiments, a transition from the larger outer diameter of middle-region  1703  to the smaller outer diameter of bottom-region  1705  may be as a step, i.e., abrupt. In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, upper-region  1701 , middle-region  1703 , and/or bottom-region  1705  may comprise at least a portion of plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of heat sink module  115 . In some embodiments, plurality of fins  117  may run from a bottom to a top of heat sink module  115 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion of an exterior portion of plurality of fins  117  may be threaded for attachment to holder  125 . In some embodiments, at least a portion of an exterior portion of plurality of fins  117  of bottom-region  1705  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 C  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance. In some embodiments, the outer shape/appearance of heat sink module  115  may comprise two distinct regions, each of its own particular geometry, upper-region  1711  and lower-region  1713 . In some embodiments, upper-region  1711  may have an outer shape/appearance that may be substantially shaped as a right cylinder. In some embodiments, lower-region  1713  may have an outer shape/appearance that may be substantially shaped as another/different right cylinder. In some embodiments, a top of lower-region  1713  may be attached/connected to a bottom of upper-region  1711 . In some embodiments, upper-region  1711  and lower-region  1713  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at upper-region  1711 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at lower-region  1713 . In some embodiments, an outside diameter of upper-region  1711  may be larger than an outside diameter of lower-region  1713 . In some embodiments, with respect to an overall length/height of heat sink module  115 , upper-region  1711  and lower-region  1713  may have similar heights as each other. In some embodiments, a transition from upper-region  1711  to lower-region  1713  may be as a step, i.e., abrupt. In some embodiments, a transition from the larger outer diameter of upper-region  1711  to the smaller outer diameter of lower-region  1713  may be as a step, i.e., abrupt. In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, upper-region  1711  may comprise at least a portion of plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of heat sink module  115 . In some embodiments, plurality of fins  117  may run from a bottom to a top of upper-region  1711 . In some embodiments, lower-region  1713  may be free (without) plurality of fins  117 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion (exterior or interior) of lower-region  1713  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 D  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance. In some embodiments, the outer shape/appearance of heat sink module  115  may comprise three distinct regions, each of its own particular geometry, upper-finned-region  1721 , conical-frustum-region  1723 , cylindrical-region  1725 , and bottom-threaded-region  1727 . In some embodiments, upper-finned-region  1721  may have an outer shape/appearance that may be substantially shaped as a first right cylinder (with a predetermined taper in some embodiments). In some embodiments, conical-frustum-region  1723  may have an outer shape/appearance that may be substantially shaped as a conical frustum. In some embodiments, cylindrical-region  1725  may have an outer shape/appearance that may be substantially shaped as a second right cylinder. In some embodiments, bottom-threaded-region  1727  may have an outer shape/appearance that may be substantially shaped as a third right cylinder. In some embodiments, conical-frustum-region  1723  may be disposed between upper-finned-region  1721  and bottom-threaded-region  1727 . In some embodiments, cylindrical-region  1725  may be disposed between upper-finned-region  1721  and bottom-threaded-region  1727 . In some embodiments, conical-frustum-region  1723  and cylindrical-region  1725  may be disposed between upper-finned-region  1721  and bottom-threaded-region  1727 . In some embodiments, conical-frustum-region  1723  may be disposed between upper-finned-region  1721  and cylindrical-region  1725 . In some embodiments, cylindrical-region  1725  may be disposed between conical-frustum-region  1723  and bottom-threaded-region  1727 . In some embodiments, a top of conical-frustum-region  1723  may be attached/connected to a bottom of upper-finned-region  1721 . In some embodiments, a bottom of conical-frustum-region  1723  may be attached/connected to a top of cylindrical-region  1725 . In some embodiments, a top of cylindrical-region  1725  may be attached/connected to a bottom of conical-frustum-region  1723 . In some embodiments, a bottom of cylindrical-region  1725  may be attached/connected to a top of bottom-threaded-region  1727 . In some embodiments, upper-finned-region  1721 , conical-frustum-region  1723 , cylindrical-region  1725 , and bottom-threaded-region  1727  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at a top of conical-frustum-region  1723 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at bottom-threaded-region  1727 . In some embodiments, an outside diameter of bottom-threaded-region  1727  may be less than an outside diameter of cylindrical-region  1725 . In some embodiments, a widest diameter of conical-frustum-region  1723  may be located closer to a top of heat sink module  115 ; whereas, a narrowest diameter of conical-frustum-region  1723  may be located closer to a bottom of heat sink module  115  (note, this may be an opposite orientation as compared to heat sink module  115  of  FIG.  17 B ). Continuing discussing  FIG.  17 D , in some embodiments, with respect to an overall length/height of heat sink module  115 , cylindrical-region  1725  may be shortest and upper-finned-region  1721  may be longest. In some embodiments, with respect to the overall length/height of heat sink module  115 , conical-frustum-region  1723  may be longer than cylindrical-region  1725  but shorter than upper-finned-region  1721 . In some embodiments, with respect to the overall length/height of heat sink module  115 , bottom-threaded-region  1727  may be longer than cylindrical-region  1725  but shorter than upper-finned-region  1721 . In some embodiments, a transition from upper-finned-region  1721  to conical-frustum-region  1723  may be as a step, i.e., abrupt. In some embodiments, a transition from a smaller outer diameter of upper-finned-region  1721  to a larger outer diameter of conical-frustum-region  1723  may be as a step, i.e., abrupt. In some embodiments, a transition from conical-frustum-region  1723  to cylindrical-region  1725  may not be as a step; but rather, may be smooth and seamless because an outside diameter of cylindrical-region  1725  may be substantially similar to a bottom outside diameter of conical-frustum-region  1723 . In some embodiments, a transition from cylindrical-region  1725  to bottom-threaded-region  1727  may be as a step, i.e., abrupt. In some embodiments, a transition from a larger outer diameter of cylindrical-region  1725  to a smaller outer diameter of bottom-threaded-region  1727  may be as a step, i.e., abrupt. In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of heat sink module  115 . In some embodiments, upper-finned-region  1721  may comprise at least a portion of plurality of fins  117 . In some embodiments, conical-frustum-region  1723 , cylindrical-region  1725 , and bottom-threaded-region  1727  may be free of (without) plurality of fins  117 . In some embodiments, plurality of fins  117  may run from a bottom to a top of upper-finned-region  1721 . In some embodiments, plurality of fins  117  may run from near the bottom to the top of upper-finned-region  1721 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion of an exterior portion of bottom-threaded-region  1727  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 E  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance. In some embodiments, the outer shape/appearance of heat sink module  115  may comprise two distinct regions, each of its own particular geometry, upper-region  1711  and lower-region  1713 . In some embodiments, upper-region  1711  may have an outer shape/appearance that may be substantially shaped as a right cylinder. In some embodiments, lower-region  1713  may have an outer shape/appearance that may be substantially shaped as another/different right cylinder. In some embodiments, a top of lower-region  1713  may be attached/connected to a bottom of upper-region  1711 . In some embodiments, upper-region  1711  and lower-region  1713  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at upper-region  1711 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at lower-region  1713 . In some embodiments, an outside diameter of upper-region  1711  may be larger than an outside diameter of lower-region  1713 . In some embodiments, with respect to an overall length/height of heat sink module  115 , upper-region  1711  may be taller/longer than lower-region  1713 . In some embodiments, a transition from upper-region  1711  to lower-region  1713  may be as a step, i.e., abrupt. In some embodiments, a transition from the larger outer diameter of upper-region  1711  to the smaller outer diameter of lower-region  1713  may be as a step, i.e., abrupt. In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, upper-region  1711  may comprise at least a portion of plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of heat sink module  115 . In some embodiments, plurality of fins  117  may run from a bottom to a top of upper-region  1711 . In some embodiments, plurality of fins  117  may run from near the bottom to the top of upper-region  1711 . In some embodiments, lower-region  1713  may be free (without) plurality of fins  117 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion (exterior or interior) of lower-region  1713  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 F  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance.  FIG.  17 G  shows another side view of the same heat sink module  115  of  FIG.  17 F . Note,  FIG.  17 F  and  FIG.  17 G  show different side views of a given heat sink module  115  (wherein  FIG.  17 F  and  FIG.  17 G  are rotated about ninety (90) degrees from each other with respect to a common longitudinal center/axis of heat sink module  115 ). In some embodiments, the outer shape/appearance of heat sink module  115  may comprise three distinct regions, each of its own particular geometry, finned-upper-region  1731 , middle-transition-region  1733 , and bottom-region  1735 . In some embodiments, finned-upper-region  1731  may have an outer shape/appearance that may be substantially shaped as a right cylinder (that may taper towards the top in some embodiments). In some embodiments, middle-transition-region  1733  may have an outer shape/appearance that may be substantially shaped as conical frustum from two opposing sides (see e.g.,  FIG.  17 F ) and that may be substantially shaped as a right cylinder from the other two remaining opposing sides (see e.g.,  FIG.  17 G ). In some embodiments, bottom-region  1735  may have an outer shape/appearance that may be substantially shaped as a right cylinder. In some embodiments, middle-transition-region  1733  may be disposed between finned-upper-region  1731  and bottom-region  1735 . In some embodiments, a top of middle-transition-region  1733  may be attached/connected to a bottom of finned-upper-region  1731 . In some embodiments, a bottom of middle-transition-region  1733  may be attached/connected to a top of bottom-region  1735 . In some embodiments, finned-upper-region  1731 , middle-transition-region  1733 , and bottom-region  1735  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at a bottom of finned-upper-region  1731  and/or at a top of middle-transition-region  1733 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at a bottom of bottom-region  1735 . In some embodiments, an outside diameter of bottom-region  1735  may be less than an outside diameter of finned-upper-region  1731 . In some embodiments, a widest diameter of middle-transition-region  1733  may be located closer to a top of heat sink module  115 ; whereas, a narrowest diameter of middle-transition-region  1733  may be located closer to a bottom of heat sink module  115 . In some embodiments, with respect to an overall length/height of heat sink module  115 , middle-transition-region  1733  may be shortest and finned-upper-region  1731  may be longest. In some embodiments, with respect to the overall length/height of heat sink module  115 , bottom-region  1735  may be longer than middle-transition-region  1733  but shorter than finned-upper-region  1731 . In some embodiments, a transition from finned-upper-region  1731  to middle-transition-region  1733  may not be as a step; but rather, may be smooth and seamless as an outside diameter of a bottom of finned-upper-region  1731  may be substantially similar to an outside diameter of a top of middle-transition-region  1733 . In some embodiments, a transition from middle-transition-region  1733  to bottom-region  1735  may not be as a step; but rather, may be smooth and seamless as an outside diameter of a bottom of middle-transition-region  1733  may be substantially similar to an outside diameter of a top of bottom-region  1735 . In some embodiments, middle-transition-region  1733  may be a region where finned-upper-region  1731  transitions into bottom-region  1735 . In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, finned-upper-region  1731  may comprise at least a portion of plurality of fins  117 . In some embodiments, middle-transition-region  1733  and bottom-region  1735  may be free of (without) plurality of fins  117 . In some embodiments, major planes of the plurality of fins  117  may be at least substantially parallel with each other. In some embodiments, plurality of fins  117  may run from a bottom to a top of finned-upper-region  1731 . In some embodiments, at least an exterior portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion of bottom-region  1735  (exterior or interior) may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
       FIG.  17 H  shows a general side view of a heat sink module  115  that may have a particular outer shape/appearance. In some embodiments, the outer shape/appearance of heat sink module  115  may comprise two distinct regions, each of its own particular geometry, upper-region  1711  and lower-region  1713 . In some embodiments, upper-region  1711  may have an outer shape/appearance that may be substantially shaped as a right cylinder. In some embodiments, lower-region  1713  may have an outer shape/appearance that may be substantially shaped as another/different right cylinder. In some embodiments, a top of lower-region  1713  may be attached/connected to a bottom of upper-region  1711 . In some embodiments, upper-region  1711  and lower-region  1713  may be integral with each other, i.e., as a single article of manufacture. In some embodiments, a widest outside diameter of heat sink module  115  may be at upper-region  1711 . In some embodiments, a smallest outside diameter of heat sink module  115  may be at lower-region  1713 . In some embodiments, an outside diameter of upper-region  1711  may be larger than an outside diameter of lower-region  1713 . In some embodiments, with respect to an overall length/height of heat sink module  115 , upper-region  1711  may be taller/longer than lower-region  1713 . In some embodiments, heat sink module  115  may comprise a plurality of fins  117 . In some embodiments, upper-region  1711  may comprise at least a portion of plurality of fins  117 . In some embodiments, the plurality of fins  117  may extend radially outwards away from a common longitudinal center/axis of heat sink module  115 . In some embodiments, plurality of fins  117  may run from a bottom to a top of upper-region  1711 . In some embodiments, lower-region  1713  may be free (without) plurality of fins  117 . In some embodiments, at least a portion of plurality of fins  117  may be threaded for attachment to driver cap  101 . In some embodiments, at least a portion (exterior or interior) of lower-region  1713  may be threaded for attachment to holder  125 . In some embodiments, a bottom interior of heat sink module  115  may be at least mostly hollow and configured for receiving LED light chip  701  and/or optical reflector  703 . 
     Note, in some embodiments, attachment between heat sink modules  115  of  FIG.  17 A  to  FIG.  17 H  to driver caps  101  and/or to holders  125  may be as shown and described in  FIG.  1    to  FIG.  11   ,  FIG.  13 A  to  FIG.  13 I ,  FIG.  14 A  to  FIG.  14 C ,  FIG.  15   , and/or  FIG.  16 A  to  FIG.  16 C . 
     In some embodiments, most (a majority of) fins selected from plurality of fins  117  may have a same/uniform/constant thickness; whereas, in some embodiments, a minority of fins selected from plurality of fins  117  may have a thicker thickness than the remaining fins selected from plurality of fins  117 . 
     In some embodiments, integrated-lighting-module  100  may comprise a driver cap  101  (driver housing  101 ), a heat sink module  115 , at least one LED light chip  701 , at least one optical reflector  703 , and a holder  125 . In some embodiments, integrated-lighting-module  100 , driver cap  101  (driver housing  101 ), heat sink module  115 , LED light chip  701 , optical reflector  703 , and holder  125  may be as previously described and discussed above and/or as shown in the drawing figures. 
     In some embodiments, driver housing  101  may have side walls  103  of driver housing  101  and top  105  of driver housing  101  that may at least mostly cap side walls  103 . In some embodiments, side walls  103  of driver housing  101  and top  105  of driver housing  101  may substantially surround a driver-volume  1501  of driver housing  101 . In some embodiments, driver-volume  1501  may be configured to receive a driver that is configured to provide electrical power to at least one light emitting diode element  701 . See e.g.,  FIG.  1   ,  FIG.  11   , and  FIG.  15   . 
     In some embodiments, heat sink module  115  may be configured for transferring at least some heat away from at least one light emitting diode element  701 . In some embodiments, at least some of a top region of heat sink module  115  may be in communication to at least some of a bottom region of driver housing  101  (and a nature of that communication may be as shown and discussed with respect to  FIG.  13 A  to  FIG.  13 I ). See e.g.,  FIG.  1   ,  FIG.  11   , and  FIG.  15   . 
     In some embodiments, at least one light emitting diode element  701  may be configured to emit light. In some embodiments, at least one light emitting diode element  701  may be in communication with at least a portion of heat sink module  115 . In some embodiments, a nature of that communication may be that at least one light emitting diode element  701  is attached to some portion of heat sink module  115 . See e.g.,  FIG.  1   ,  FIG.  11   , and  FIG.  15   . 
     In some embodiments, at least one optical reflector  703  may be at least substantially shaped as a conical frustum. In some embodiments, at least one optical reflector  703  may be configured for reflecting and directing at least some light from at least one light emitting diode element  701  out of bottom  1133  of at least one optical reflector  703 . In some embodiments, at least one light emitting diode element  701  may be disposed above top-hole  1131  of at least one optical reflector  703 . In some embodiments, top-hole  1131  may be located at a top portion of the optical reflector  703  and disposed opposite from the bottom  1133  of least one optical reflector  703 . See e.g.,  FIG.  1   ,  FIG.  11   , and  FIG.  15   . 
     In some embodiments, holder  125  may be configured to trap at least one optical reflector  703  between at least some elements of holder  125  and at least some elements of heat sink module  115 . In some embodiments, holder  125  may be in communication with heat sink module  115  (and a nature of that communication may be as shown and discussed with respect to  FIG.  13 A  to  FIG.  13 I ). In some embodiments, the communication between holder  125  and heat sink module  115  may be attachment to each other. In some embodiments, the attachment between holder  125  and heat sink module  115  may be done by a complimentary threading connection. See e.g.,  FIG.  1   ,  FIG.  11   ,  FIG.  13 A  to  FIG.  13 I , and  FIG.  15   . 
     In some embodiments, when integrated-lighting-module  100  may be an assembled configuration, driver housing  101  may be attached to heat sink module  115 , heat sink module  115  may be attached to at least one light emitting diode element  701 , heat sink module  115  may be attached to holder  125  with the at least one optical reflector  703  trapped between at least some elements of holder  125  and at least some elements of heat sink module  115 . See e.g.,  FIG.  1   ,  FIG.  11   ,  FIG.  13 A  to  FIG.  13 I ,  FIG.  14 A  to  FIG.  14 C , and  FIG.  15   . 
     In some embodiments, when integrated-lighting-module  100  may be an assembled configuration, integrated-lighting-module  100  may have an overall height (overall length), wherein with respect to that overall height (overall length), driver housing  101  may be located at an overall top of integrated-lighting-module  100  and holder  125  may be located at an overall bottom of integrated-lighting-module  100 ; such that driver housing  101  and holder  125  may be disposed opposite of each other (along that overall height [overall length]), and such that driver housing  101  may be located entirely above heat sink module  115 . See e.g.,  FIG.  1   ,  FIG.  11   ,  FIG.  13 A  to  FIG.  13 I ,  FIG.  14 A  to  FIG.  14 C , and  FIG.  15   . 
     In some embodiments, integrated-lighting-module  100  may be configured to receive 120 V (volts), A/C (alternating current), as an input. In some embodiments, integrated-lighting-module  100  may be configured to receive 110 V (volts), A/C, as an input. In some embodiments, integrated-lighting-module  100  may be configured to receive other predetermined voltages as an input. 
     In some embodiments, at least some portion of a given integrated-lighting-module (such as, but not limited to, integrated-lighting-module  100 ) may be sized for direct communication (e.g., physical attachment and/or receiving) with a trim (such as, but not limited to, trim  1221 ) that has an upper opening with a diameter dimension selected from a range of one-half (0.5) inch to two and one-half (2.5) inches. In some embodiments, this diameter (of the upper opening at the trim) may be selected from a range from one and one-half (1.5) inches to two and one-quarter (2.25) inches. In some embodiments, the trim may have an upper opening to accept the given integrated-lighting-module from a range of one-half (0.5) inch to two and one-half (2.5) inches. In some embodiments, the trim may have an upper opening to accept the given integrated-lighting-module from a range of one and one-half (1.5) inches to two and one-quarter (2.25) inches. In some embodiments, this upper opening at the top of the trim may be at least mostly/substantially circular. 
     In some embodiments, integrated-lighting-module  100  may be used with trim  1221  that may be sized “MR16.” In some embodiments, trim  1221  may be another predetermined sized trim. In some embodiments, integrated-lighting-module  100  may be used with trim  1221  that may have a three-inch size; and with adjustability of integrated-lighting-module  100 . 
     In some embodiments, driver cap  101 , heat sink module  115 , and/or holder  125  may have exterior shapes that are at least substantially (mostly): right cylindrical; conical frustum; funnel; with or without fin(s); with or without annular exterior flange(s); with or without outside threading; with or without inside threading; portions thereof, combinations thereof, and/or the like. In some embodiments, holder  125  may have at least some elements that are substantially shaped as a conical frustum. 
     In some embodiments, holder  125  may be a trim part/component. In some embodiments, holder  125  may be replaced with a trim/part component. In some embodiments, holder  125  and optical reflector  703  may be combined into a single integral article of manufacture. In some embodiments, holder  125 , optical reflector  703 , and a trim part/component may be combined into a single integral article of manufacture. 
     In some embodiments, integrated-lighting-module  100 , driver cap  101 , heat sink module  115 , and/or holder  125  may comprise one or more aperture(s), such as, but not limited to aperture  109 ,  1117 ,  1119 , and/or  1121 . In some embodiments, these apertures may be holes, such as through holes in material of integrated-lighting-module  100 , driver cap  101 , heat sink module  115 , and/or holder  125 . In some embodiments, these apertures may be configured to receive one or more mechanical fastener(s) (such as, but not limited to, screw(s), bolt(s), nail(s), pin(s), rod(s), dowel(s), brad(s), tack(s), staple(s), and/or the like). In some embodiments, these apertures may be configured for passing at least one wire through the given aperture. In some embodiments, a top region of heat sink module  115  may comprise at least one such aperture. In some embodiments, a non-finned region of heat sink module  115  may comprise at least one such aperture. In some embodiments, a finned region of heat sink module  115  may comprise at least one such aperture. 
     In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) of heat sink module  115  may be configured to transfer heat out of and/or away from at least portions of one or more of: heat sink module  115 , LED light chip  701 , a driver (e.g., within driver cap  101 ), portions thereof, combinations thereof, and/or the like. In some embodiments, a given heat sink module  115  may have fin(s) (such as, but not limited to, fin(s)  117 ) anywhere on that given heat sink module  115 . In some embodiments, side-wall(s)  119  (of a given heat sink module  115 ) may have fin(s) (such as, but not limited to, fin(s)  117 ) anywhere on that given side-wall(s)  119 . In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) may be on one or more of: a top (upper) region of heat sink module  115 , a middle region of heat sink module  115 , a bottom region of heat sink module  115 , portions thereof, combinations thereof, and/or the like. In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) may be part of one or more of: a top (upper) region of heat sink module  115 , a middle region of heat sink module  115 , a bottom region of heat sink module  115 , portions thereof, combinations thereof, and/or the like. In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) may be on one or more of: a top (upper) region of side-wall(s)  119 , a middle region of side-wall(s)  119 , a bottom region of side-wall(s)  119 , portions thereof, combinations thereof, and/or the like. In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) may be part of one or more of: a top (upper) region of side-wall(s)  119 , a middle region of side-wall(s)  119 , a bottom region of side-wall(s)  119 , portions thereof, combinations thereof, and/or the like. In some embodiments, fin(s) (such as, but not limited to, fin(s)  117 ) of heat sink module  115  may have outside threading on them and/or may have inside threading on them. In some embodiments, threading on fin(s) such as, but not limited to, fin(s)  117 ) of heat sink module  115  may be configured for attachment to driver cap  101  and/or holder  125 . 
     In some embodiments, heat sink module  115  may have inside threading around inside diameter(s) of heat sink module  115 ; and/or heat sink module  115  may have outside threading around outside diameter(s) of heat sink module  115 . In some embodiments, such threading on heat sink module  115  may be configured for attachment to driver cap  101  and/or holder  125 . 
     In some embodiments, integrated-lighting-module  100  may include sufficient space for a driver to be flush with a top of integrated-lighting-module  100 . For example, and without limiting the scope of the present invention, the driver may be located substantially within driver cap  101  (e.g., within volume  1501 ). 
       FIG.  18 A  shows a top-down perspective view of a housing-for-light-module  1800  (hereinafter, “housing  1800 ”) according to at least one embodiment, wherein housing  1800  may be configured to house at least one integrated-lighting-module  100  therein. In some embodiments, housing  1800  may be configured to house at least one lighting module therein. In some embodiments, housing  1800  may be configured to house at least one lighting module (that uses at least one light emitting diode [LED]) therein. In some embodiments, housing  1800  may be configured to house at least one of any lighting module disclosed herein (such as, but not limited to, integrated-lighting-module  100 ), within that housing  1800 . In some embodiments, housing  1800  may comprise at least three main components/parts, namely, main-housing-member  1801 , top-cap  1811 , and bottom-cap  1821 . In some embodiments, both top-cap  1811  and bottom-cap  1821  may be attached to main-housing-member  1801 , such that main-housing-member  1801  may be disposed between top-cap  1811  and bottom-cap  1821 . In some embodiments, main-housing-member  1801 , top-cap  1811 , bottom-cap  1821  may all share a common-shared longitudinal axial-centerline  1900 . In some embodiments, main-housing-member  1801 , top-cap  1811 , bottom-cap  1821  may all be substantially (mostly) radially symmetrical (aside from various aperture(s)/hole(s) and/or attachment structure(s)). In some embodiments, at least portions of top-cap  1811  and/or of bottom-cap  1821  may be con-centric to main-housing-member  1801 . 
     Continuing discussing  FIG.  18 A , in some embodiments main-housing-member  1801  may be an elongate member, with two open opposing ends, and a substantially (mostly) hollow interior volume that is configured to house (receive) at least one integrated-lighting-module  100 . In some embodiments, main-housing-member  1801  may be substantially shaped as a right cylinder. In some embodiments, main-housing-member  1801  may be substantially shaped as a right cylindrical member. In some embodiments, main-housing-member  1801  may be substantially cylindrical in shape. In some embodiments, main-housing-member  1801  may comprise exterior-sidewall  1803  and interior-sidewall  1805 . In some embodiments, main-housing-member  1801  may comprise interior-sidewall  1805  that may be disposed opposite from exterior-sidewall  1803  and separated from exterior sidewall  1803  by a thickness of main-housing-member  1801 . In some embodiments, at least portion(s) of exterior-sidewall  1803  may be shown in figures:  FIG.  18 A  to  FIG.  18 H ,  FIG.  19 A  to  FIG.  20   ,  FIG.  22 B  to  FIG.  24 B . Whereas, at least a portion of interior-sidewall  1805  may be shown in  FIG.  18 C ,  FIG.  18 D ,  FIG.  19 A ,  FIG.  19 B ,  FIG.  19 C ,  FIG.  22 A ,  FIG.  22 B , and through access-aperture(s)  1807  and/or through access-aperture(s)  1815 . In some embodiments, exterior-sidewall  1803  and interior-sidewall  1805  may be opposing major/main surfaces of main-housing-member  1801 , separated from each other by at least a thickness of the sidewall of main-housing-member  1801 . In some embodiments, main-housing-member  1801  may comprise at least one access-aperture  1807 . In some embodiments, main-housing-member  1801  may comprise one or more access-aperture(s)  1807 . In some embodiments, main-housing-member  1801  may comprises at least one access-aperture  1807  that may be a hole that runs entirely through a portion of the main-housing-member  1801  from exterior-sidewall  1803  to interior-sidewall  1805 . In some embodiments, at least one access-aperture  1807  may be configured for passage of wiring and/or cabling (e.g., wiring/cabling  2203  shown in  FIG.  22 A ). In some embodiments, at least one access-aperture  1807  may be located closer to top-end  1835  than to bottom-end  1837 . In some embodiments, access-aperture  1807  may be hole that passes entirely through a portion of main-housing-member  1801 . In some embodiments, access-aperture  1807  may be hole that passes from exterior-sidewall  1803  to interior-sidewall  1805 . In some embodiments, access-aperture  1807  may be configured to provide access to the interior of main-housing-member  1801  (e.g., where integrated-lighting-module  100  may be housed). In some embodiments, access-aperture  1807  may be configured to provide passage of at least portions of wiring, wire(s), cable(s), cabling, wiring/cabling  2203 , electrical-connector  2205 , arm (e.g., linkage-arm  2313 ), mounting hardware, mounting structure, portions thereof, combinations thereof, and/or the like. 
     Continuing discussing  FIG.  18 A , in some embodiments top-cap  1811  may be configured to at least substantially (mostly) close-off (e.g., cap-off) a top main opening of main-housing-member  1801 . In some embodiments, top-cap  1811  may be attached to a top of main-housing-member  1801 . In some embodiments, an exterior of top-cap  1811  may be at least substantially (mostly) disc (disk) shaped, circular in shape, annular shaped, portions, combinations thereof, and/or the like. In some embodiments, top-cap  1811  may comprise exterior-surface  1813  and interior-surface  1817 . Exterior-surface  1813  is visible in figures:  FIG.  18 A ,  FIG.  18 B ,  FIG.  18 I ,  FIG.  19 A , and  FIG.  19 B . Whereas, at least portions of interior-surface  1817  are visible in figures:  FIG.  18 D ,  FIG.  18 J ,  FIG.  19 C ,  FIG.  22 A , and  FIG.  22 B . In some embodiments, exterior-surface  1813  and interior-surface  1817  may be opposing major/main surfaces of top-cap  1811 , separated from each other by a thickness of top-cap  1811 . In some embodiments, top-cap  1811  may comprise at least one access-aperture  1815 . In some embodiments, top-cap  1811  may comprise one or more access-aperture(s)  1815 . In some embodiments, top-cap  1811  may comprise at least one access-aperture  1815  that is a hole that runs entirely through a portion of top-cap  1811  from exterior-surface  1813  to interior-surface  1817 . In some embodiments, at least one access-aperture  1815  may be configured for passage of wiring and/or cabling (e.g., wiring/cabling  2203 ). In some embodiments, access-aperture  1815  may be located at a center of top-cap  1811 . In some embodiments, access-aperture  1815  may be located at a radial center of top-cap  1811 . In some embodiments, access-aperture  1815  may be located off from the radial center of top-cap  1811 . In some embodiments, access-aperture  1815  may be hole that passes entirely through a portion of top-cap  1811 . In some embodiments, access-aperture  1815  may be hole that passes from exterior-surface  1813  to interior-surface  1817 . In some embodiments, access-aperture  1815  may be configured to provide access to the interior of top-cap  1811  (e.g., where integrated-lighting-module  100  may be housed). In some embodiments, access-aperture  1815  may be configured to provide passage of at least portions of wiring, wire(s), cable(s), cabling, wiring/cabling  2203 , electrical-connector  2205 , chain, cordage, arm (e.g., linage-arm  2313 ), mounting hardware, mounting structure, portions thereof, combinations thereof, and/or the like. 
     Continuing discussing  FIG.  18 A , in some embodiments bottom-cap  1821  may be configured to at least partially close-off (e.g., cap-off) a bottom main opening of main-housing-member  1801 . In some embodiments, bottom-cap  1821  may be attached to a bottom of main-housing-member  1801 . In some embodiments, a bottom portion of bottom-cap  1821  may be configured to permit/facilitate emission of light out from integrated-lighting-module  100  and away from both housing  1800  and from integrated-lighting-module  100 . Note, bottom-cap  1821  is shown more fully in figures  FIG.  18 C ,  FIG.  18 D ,  FIG.  18 J  to  FIG.  21 C . 
       FIG.  18 B  shows another top-down perspective view of housing  1800  rotated along the common-shared longitudinal axial-centerline  1900  as compared to  FIG.  18 A , such that the at least one access-aperture  1807  visible in  FIG.  18 A  is not visible in  FIG.  18 B . 
       FIG.  18 C  shows a bottom-up perspective view of housing  1800 .  FIG.  18 C  shows a more complete view of bottom-cap  1821  as compared to  FIG.  18 A  and  FIG.  18 B . In some embodiments, bottom-cap  1821  may comprise conical-exterior-surface  1823 , opening-for-light  1825 , and interior-sidewall  1827 . (Note, interior-sidewall  1827  may be referred to as an “interior” sidewall, because when housing  1800  and/or when full-assembly  2000  may be full assembled, interior-sidewall  1827  may not be readily visible from exteriors of those assemblies as interior-sidewall  1827  may be located inside of main-housing-member  1801 ; however, interior-sidewall  1827  may have interior facing surfaces and opposing exterior facing surfaces, see e.g.,  FIG.  19 A  and  FIG.  21 A ). In some embodiments, the conical-exterior-surface  1823  may be bottom exteriorly facing portions of bottom-cap  1821 . In some embodiments, conical-exterior-surface  1823  may have a frustum shape and/or be shaped as a truncated cone. In some embodiments, conical-exterior-surface  1823  may run from a bottom of bottom-cap  1821  up to opening-for-light  1825 . In some embodiments, opening-for-light  1825  may be a hole in bottom-cap  1821 . In some embodiments, opening-for-light  1825  may be configured to permit/facilitate emission of light out from integrated-lighting-module  100  and away from both a bottom of housing  1800  and away from a bottom of integrated-lighting-module  100 . In some embodiments, with respect to a height of bottom-cap  1821 , opening-for-light  1825  may be located at about a half-way point along that height of bottom-cap  1821 . In some embodiments, with respect to a top and/or a bottom view of bottom-cap  1821 , opening-for-light  1825  may be located at a center (radial center) of bottom-cap  1821  (see e.g.,  FIG.  18 J ). In some embodiments, opening-for-light  1825  may be larger than both access-aperture  1807  and/or access-aperture  1815 . In some embodiments, at a backside of opening-for-light  1825  may begin a seat  1907 ; and in some embodiments, seat  1907  may terminate at interior-sidewall  1827 . Note, seat  1907  may not be visible in  FIG.  18 A  to  FIG.  19 A ; however, seat  1907  may be visible in  FIG.  19 B  and in  FIG.  21 A  to  FIG.  21 C . At least a portion of interior-sidewall  1827  may be visible in  FIG.  18 C ,  FIG.  19 A  to  FIG.  21 C . In some embodiments, interior-sidewall  1827  may run upwards from seat  1907  to a top of bottom-cap  1821 . In some embodiments, the sidewall of interior-sidewall  1827  may be at least substantially (mostly) parallel and/or concentric with the sidewall of main-housing-member  1801 . In some embodiments, interior-sidewall  1827  may be at least substantially (mostly) shaped as a right cylinder and/or have a cylindrical shape. In some embodiments, interior-sidewall  1827  may have an outside diameter that fits within an inside diameter of main-housing-member  1801  (see e.g.,  FIG.  19 A  to  FIG.  20   ). In some embodiments, bottom-cap  1821  and/or interior-sidewall  1827  may comprise at least one tooth  1829 . In some embodiments, an inside portion of interior-sidewall  1827  may comprise at least one tooth  1829 . In some embodiments, an inside portion of interior-sidewall  1827  may have at least one tooth  1829 . In some embodiments, tooth  1829  may be a projection of material that extends away from interior-sidewall  1827  and towards the common-shared longitudinal axial-centerline  1900  of housing  1800 . In some embodiments, this projection of material (of tooth  1829 ) may be at least substantially (mostly) shaped as a rectangular prism (cuboid). In some embodiments, a longer side of this projection of material (of tooth  1829 ) may be substantially (mostly) orthogonal to the common-shared longitudinal axial-centerline  1900  of housing  1800 . In some embodiments, this projection of material (of tooth  1829 ) may be fixed and finite; and extend from a range selected from half (0.5) of a millimeter (mm) to three (3) mm. In some embodiments, there may be at least two such teeth  1829 , that may be oppositely disposed from each other and facing each other, extending away from interior-sidewall  1827 . In some embodiments, tooth  1829  may be spaced apart from seat  1907  may a finite and fixed distance. In some embodiments, tooth  1829  may not be touching seat  1907 . In some embodiments, the gap between a bottom of tooth  1829  and seat  1907  may be fixed and may be selected from one (1) mm to five (5) mm. In some embodiments, tooth  1829  may be sized and shaped to removably engage/attach to a bottom portion of integrated-lighting-module  100 , such as, but not limited to, twist-lock-flange  131  and/or twist-lock-teeth  133 . In some embodiments, tooth  1829  may be sized and shaped to fit within twist-lock-opening  135 . 
     Continuing discussing  FIG.  18 C , in some embodiments, there may be at least one access-aperture  1807  located on exterior-sidewall  1803  of main-housing-member  1801 . In some embodiments, there may be one or more access-aperture(s)  1807  located on exterior-sidewall  1803  of main-housing-member  1801 . In some embodiments, there may be only one access-aperture  1807  located on exterior-sidewall  1803  of main-housing-member  1801 . In some embodiments, access-aperture  1807  may be located closer to overall top  1831  of housing  1800 /main-housing-member  1801  than to overall bottom  1833  of housing  1800 . In some embodiments, access-aperture  1807  may be located further away from overall bottom  1833  of housing  1800  to than to overall top  1831  of housing  1800 /main-housing-member  1801 . Note, overall top  1831  and overall bottom  1833  are shown (called out) in  FIG.  18 E  to  FIG.  18 H , but are not called out in  FIG.  18 C , but are present/visible in  FIG.  18 C . 
     Note, a small portion of interior-sidewall  1805  is visible (shown) in  FIG.  18 C . 
     In some embodiments, bottom-cap  1821  may comprise conical-exterior-surface  1823  that runs from bottom  1833  of bottom-cap  1821  to opening-for-light  1825 , wherein the conical-exterior-surface  1823  may be at least substantially (mostly) shaped as a frustum. See e.g.,  FIG.  18 C  and/or  FIG.  18 D . See  FIG.  18 E  to  FIG.  18 H  for bottom  1833 . 
       FIG.  18 D  shows another (different) bottom-up perspective view of housing  1800 , as compared to  FIG.  18 C .  FIG.  18 D  is a first figure to show a possible attachment-means  1819  that may be configured to attach top-cap  1811  to a top of main-housing-member  1801 . In some embodiments, housing  1800  may comprise at least one attachment-means  1819 . In some embodiments, housing  1800  may comprise one or more attachment-means  1819 . In some embodiments, housing  1800  may comprise two, three, or four attachment-means  1819 . In some embodiments, attachment-means  1819  may be a structural linkage member that physically links a portion of top-cap  1811  (such as a portion of interior-surface  1817 ) to an upper/top portion of interior-sidewall  1805  of main-housing-member  1801 . 
     In some embodiments, attachment-means  1819  may be how top-cap  1811  is attached to a top of main-housing-member  1801 . In some embodiments, a portion of attachment-means  1819  may reside on top-cap  1811 , interior-surface  1817 , and/or on edge/rim  1903  (of top-cap  1811 ); and another different portion of attachment-means  1819  may reside on main-housing-member  1801  and/or on interior-sidewall  1805 . In some embodiments, attachment-means  1819  may be selected from one or more of: a mechanical fastener; a screw; a tack; a brad; a staple; a pin; a rod; a rivet; a nail; a spring clamp, Velcro (or Velcro like); a clip; a bracket; a weld; a threaded fit; a heat held; a spot weld; an ultrasonic weld; a solvent weld/bond; an adhesive; a glue; an epoxy; a friction fit; an interference fit; portions thereof; combinations thereof; and/or the like. 
       FIG.  18 E  shows a front view of housing  1800 .  FIG.  18 F  shows a rear (back) view of housing  1800 .  FIG.  18 E  and  FIG.  18 F  may be opposing views with respect to each other.  FIG.  18 E  and  FIG.  18 F  may be rotated about 180 degrees from each other along the common-shared longitudinal axial-centerline  1900  of housing  1800 .  FIG.  18 G  shows a left-side view of housing  1800 .  FIG.  18 H  shows a right-side view of housing  1800 .  FIG.  18 G  and  FIG.  18 H  may be opposing views with respect to each other.  FIG.  18 G  and  FIG.  18 H  may be rotated about 180 degrees from each other along the common-shared longitudinal axial-centerline  1900  of housing  1800 .  FIG.  18 E  may be rotated about ninety (90) degrees from  FIG.  18 G  or from  FIG.  18 H  along the common-shared longitudinal axial-centerline  1900  of housing  1800 .  FIG.  18 F  may be rotated about ninety (90) degrees from  FIG.  18 G  or from  FIG.  18 H  along the common-shared longitudinal axial-centerline  1900  of housing  1800 . The overall top  1831  of housing  1800  (and/or main-housing-member  1801 ) is shown and called out in  FIG.  18 E  to  FIG.  18 H . In some embodiments, overall top  1831  may be the top most region/portion of housing  1800  and/or of main-housing-member  1801 , not including any wires, cabling, chains, pendant attachments, and/or arm extension attachments. In some embodiments, a top of housing  1801 , a top of main-housing-member  1801 , a top of top-cap  1811 , and/or a top of exterior-surface  1813 , may all be at least substantially (mostly) flush with each other and/or identified with/as overall top  1831 . The overall bottom  1833  of housing  1800  is shown and called out in  FIG.  18 E  to  FIG.  18 H . In some embodiments, overall bottom  1833  may be the bottom most region/portion of housing  1800  and/or of bottom-cap  1821 . Note, in some embodiments, overall bottom  1833  is located below a bottom of main-housing-member  1801 . 
       FIG.  18 E  to  FIG.  18 H  also show top-end  1835  and bottom-end  1837 . In some embodiments, top-end  1835  may be the top most portion of main-housing-member  1801 . Note, overall top  1831  and top-end  1835  may be locationally/positionally a same location/position of housing  1800 . In some embodiments, bottom-end  1837  may be the bottom most portion of main-housing-member  1801 . Note, overall bottom  1833  may be located below bottom-end  1837 . 
       FIG.  18 E  to  FIG.  18 H  also show the embodiment where there may be only one access-aperture  1807  (which in some embodiments, may be located closer to overall top  1831  than to overall bottom  1833 ). However, note, in some embodiments, there may be no access-aperture  1807 . In some embodiments, where there may be no  1807 , then there may instead be at least one access-aperture  1815  (located on top-cap  1811 ) (see e.g.,  FIG.  18 I ). 
       FIG.  18 I  is a top-down view of housing  1800 . Exterior-surface  1813  of circular top-cap  1811  is shown, wherein top-cap  1811  is attached to main-housing-member  1801  by attachment-means  1819 . Attachment-means  1819  was discussed above and is not called out in  FIG.  18 I ; however, at least some embodiments of attachment-means  1819  may be implemented in  FIG.  18 I . Also shown in  FIG.  18 I , is at least one access-aperture  1815 . In some embodiments, top-cap  1811  may comprise at least one access-aperture  1815 . In some embodiments, top-cap  1811  may comprise one or more access-aperture(s)  1815 . In some embodiments, access-aperture  1815  may be located in a center of exterior-surface  1813 . In some embodiments, access-aperture  1815  may be located in a radial center of exterior-surface  1813 . In some embodiments, access-aperture  1815  may be located off-center of exterior-surface  1813 . In some embodiments, access-aperture  1815  may be circular in shape. In some embodiments, access-aperture  1815  may be present in top-cap  1811 , when housing  1800  may be deployed in at least some downlight (ceiling) mounted applications (see e.g.,  FIG.  23 A ) and/or when housing  1800  may be deployed as a pendant light fixture (see e.g.,  FIG.  23 D ). 
       FIG.  18 J  is a bottom-up view of housing  1800 .  FIG.  18 J  and  FIG.  18 I  may be opposing views of each other. In some embodiments, conical-exterior-surface  1823  and opening-for-light  1825  of bottom-cap  1821  may be entirely visible in  FIG.  18 J . In some embodiments, if integrated-lighting-module  100  may be removed (absent) from housing  1800 , then access-aperture  1815  and at least a portion of interior-surface  1817  of top-cap  1811  may be visible in  FIG.  18 J , shown from within opening-for-light  1825 . 
       FIG.  19 A  is a top exploded perspective view of housing  1800 , without integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 .  FIG.  19 B  is another exploded top perspective view of housing  1800 , without integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 . In  FIG.  19 A  and in  FIG.  19 B , top-cap  1811  may be shown exploded (detached) from a top of main-housing-member  1801  and bottom-cap  1821  may be shown exploded (detached) from a bottom of main-housing-member  1801 . A portion of internal-rib  1901  of main-housing-member  1801  may be shown in  FIG.  19 A  and shown in  FIG.  19 B . In some embodiments, main-housing-member  1801  may comprise at least one internal-rib  1901 . In some embodiments, main-housing-member  1801  may comprise one or more internal-rib(s)  1901 . In some embodiments, interior-sidewall  1805  may comprise at least one internal-rib  1901 . In some embodiments, interior-sidewall  1805  may comprise one or more internal-rib(s)  1901 . In some embodiments, there may be one, two, three, four, or five internal-rib(s)  1901  of main-housing-member  1801 . In some embodiments, when main-housing-member  1801  may have two or more internal-ribs  1901 , those internal-ribs  1901  may be separated from each other by an equal spacing distance. In some embodiments, internal-rib  1901  may one or more of an elongate member and/or a structural member. In some embodiments, internal-rib  1901  may add additional rigidity to main-housing-member  1801 . In some embodiments, internal-rib  1901  may run in lengthwise direction that may be at least substantially (mostly) parallel with common-shared longitudinal axial-centerline  1900 . In some embodiments, a length of internal-rib  1901  may be at least mostly as long (heigh) as main-housing-member  1801 . In some embodiments, a length of internal-rib  1901  may run from a top of main-housing-member  1801  to almost a bottom of main-housing-member  1801 . In some embodiments, a bottom of internal-rib  1901  may be separated from a bottom of main-housing-member  1801  by a predetermined gap. In some embodiments, this predetermined gap may be one half (0.5) inch or less. In some embodiments, a tooth  1909  may reside in this predetermined gap. Note, internal-rib(s)  1901  are also shown in  FIG.  19 B ,  FIG.  22 A  and in  FIG.  22 B ; and tooth  1909  are shown in  FIG.  19 C ,  FIG.  19 D ,  FIG.  22 A , and  FIG.  22 B . 
     Continuing discussing  FIG.  19 A  and  FIG.  19 B , in some embodiments, edge/rim  1903  of top-cap  1811  may be shown. In some embodiments, top-cap  1811  may have circumscribing edge/rim, denoted herein as edge/rim  1903 . In some embodiments, edge/rim  1903  may be an edge and/or a rim of top-cap  1811 . In some embodiments, edge/rim  1903  may define a boundary of top-cap  1811 . In some embodiments, when top-cap  1811  may be viewed from the top and/or the bottom, then edge/rim  1903  may be at least substantially (mostly) circular in shape. 
     Continuing discussing  FIG.  19 A  and  FIG.  19 B , in some embodiments, attachment-means  1905  of bottom-cap  1821  may be shown. In some embodiments, attachment-means  1905  may be structure of bottom-cap  1821  that is configure for attaching bottom-cap  1821  to a bottom internal structure (e.g., tooth  1909 ) of main-housing-member  1801 . In some embodiments, bottom-cap  1821  may comprise at least one attachment-means  1905 . In some embodiments, bottom-cap  1821  may comprise one or more attachment-means  1905 . In some embodiments, bottom-cap  1821  may comprise two attachment-means  1905 . In some embodiments, attachment-means  1905  may be exterior protrusion(s) on interior-sidewall  1827  of bottom-cap  1821 . In some embodiments, attachment-means  1905  may be located closer to a bottom of bottom-cap  1821  than to a top of bottom-cap  1821 . In some embodiments, attachment-means  1905  may be opposed from each other on interior-sidewall  1827  of bottom-cap  1821 . In some embodiments, attachment-means  1905  may have a curved channel running in a direction that is orthogonal to common-shared longitudinal axial-centerline  1900 . In some embodiments, this curved channel may be configured to (removably) receive tooth  1909  of a bottom inside of main-housing-member  1801 . 
     Continuing discussing  FIG.  19 A  and  FIG.  19 B , in some embodiments, at least a portion of seat  1907  of bottom-cap  1821  is shown in  FIG.  19 A . In some embodiments, seat  1907  may be an annular shelf with a flat ring/annular surface that is at least substantially (mostly) orthogonal to common-shared longitudinal axial-centerline  1900 . In some embodiments, seat  1907  may be a stop, supportive surface, and/or a resting surface for a bottom most portion of integrated-lighting-module  100  (e.g., twist-lock-flange  131 ). In some embodiments, a width of seat  1907  may run radially outwards from opening-for-light  1825  to interior-sidewall  1827 . In some embodiments, the width of seat  1907  may be fixed, finite, and predetermined. See also  FIG.  21 A  to  FIG.  21 C  for seat  1907  of bottom-cap  1821 . 
       FIG.  19 C  is a bottom exploded perspective view of housing  1800 , without integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 .  FIG.  19 D  is another bottom exploded perspective view of housing  1800 , without integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 . Both  FIG.  19 C  and  FIG.  19 D  may show teeth  1909 . In some embodiments, tooth  1909  may be configured to (removably) attach to attachment-means  1905  of bottom-cap  1821 . In some embodiments, main-housing-member  1801  may be comprise at least one tooth  1909 . In some embodiments, main-housing-member  1801  may be comprise one or more tooth  1909 . In some embodiments, a quantity of teeth  1909  may match a quantity of attachment-means  1905 . In some embodiments, tooth  1909  may be inward facing projection of material extending inwards away from interior-sidewall  1805 . In some embodiments, beneath internal-rib  1901 , but not touching internal-rib  1901 , may be tooth  1909 . In some embodiments, tooth  1909  may be sized and/or shaped to (removably) fit into a curved receiving channel of attachment-means  1905 . In some embodiments, bottom-cap  1821  may be attached to an inside bottom of main-housing-member  1801  by a twisting (rotational) motion, that engages teeth  1909  into curved receiving channel(s) of attachment-means  1905  of bottom-cap  1821 . And in some embodiments, detachment of bottom-cap  1821  from main-housing-member  1801  may occur by a re-verse/opposite twisting (rotational) motion. 
       FIG.  19 E  is side exploded perspective view of housing  1800 , without integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 .  FIG.  19 A  to  FIG.  19 E  all show a particular example of attachment-means  1819  of top-cap  1811 . In some embodiments, the example of attachment-means  1819  shown in  FIG.  19 A  to  FIG.  19 E  may be that of a spring clamp; however, attachment-means  1819  may be implemented as other attachment means in other embodiments, as previously noted. 
       FIG.  20    is side exploded perspective view of housing  1800 , with integrated-lighting-module  100 , exploded along common-shared longitudinal axial-centerline  1900 . Thus,  FIG.  20    may depict the full-assembly  2000  of housing  1800  together with integrated-lighting-module  100 . In some embodiments, full-assembly  2000  may refer to both housing  1800  and integrated-lighting-module  100  that may be housed within housing  1800 .  FIG.  20    may differ from  FIG.  19 A  to  FIG.  19 E , because  FIG.  19 A  to  FIG.  19 E  do not show integrated-lighting-module  100 ; whereas,  FIG.  20    does show integrated-lighting-module  100 . In some embodiments, housing  1800  may be configured to house integrated-lighting-module  100 . In some embodiments, when integrated-lighting-module  100  may be housed within housing  1800 , bottom-cap  1821  may be attached to a bottom of main-housing-member  1801 , and a bottom most portion of integrated-lighting-module  100  (e.g., twist-lock-flange  131 ) may be supported by seat  1907  of bottom-cap  1821 ; and/or (internal) tooth  1829  of bottom-cap  1821  may be (removably) engaged with twist-lock-teeth  133  of integrated-lighting-module  100 . 
     In some embodiments, housing  1800  may be configured for housing integrated-lighting-module  100  within housing  1800 . In some embodiments, housing  1800  may least comprise:  1801 , top-cap  1811 , and bottom-cap  1821 . In some embodiments, main-housing-member  1801  may be with two opposing open terminal ends, top-end  1835  and bottom-end  1837 , respectively. In some embodiments, main-housing-member  1801  may have exterior-sidewall  1803  running from bottom-end  1837  to top-end  1835 . In some embodiments, exterior-sidewall  1803  may enclose a volume that is configured to house integrated-lighting-module  100  within this volume. In some embodiments, top-cap  1811  may be attached to top-end  1835 , wherein top-cap  1811  may at least substantially cover over top-end  1835 . In some embodiments, bottom-cap  1821  may be attached at bottom-end  1837 , wherein the bottom-cap  1821  may comprise opening-for-light  1825  that may be configured to permit at least some light from integrated-lighting-module  100  to exit housing  1800 . See e.g.,  FIG.  19 A  to  FIG.  20   . 
       FIG.  21 A  to  FIG.  21 C  show just part/component bottom-cap  1821  from three different top perspective views.  FIG.  21 A  shows just part/component bottom-cap  1821  from a top perspective view.  FIG.  21 B  shows just part/component bottom-cap  1821  from another/different top perspective view as compared to  FIG.  21 A .  FIG.  21 C  shows just part/component bottom-cap  1821  from a yet another/different top perspective view as compared to  FIG.  21 A  and/or as compared to  FIG.  21 B . Note, in  FIG.  21 A  and in  FIG.  21 B , the top portion of bottom-cap  1821  is shown upside down, with the top portion being shown closer to the given figure&#39;s figure designation/label; whereas, in  FIG.  21 C  the top portion of bottom-cap  1821  is shown disposed away from the  FIG.  21 C  figure designation/label. In general, bottom portions of bottom-cap  1821 , such as, conical-exterior-surface  1823 , are not shown in  FIG.  21 A  to  FIG.  21 C , because these bottom portions of  1821  are shown in earlier figures, such as,  FIG.  18 C ,  FIG.  18 D ,  FIG.  18 J , and  FIG.  19 C . Although, a small portion of conical-exterior-surface  1823  is shown in  FIG.  21 A . Many of the structures of bottom-cap  1821  shown in  FIG.  21 A  to  FIG.  21 C  are not readily visible when housing  1800  and/or especially full-assembly  2000 , are in their respective assembled configurations. For example, such structures may include, interior-sidewall  1827 , tooth  1829 , attachment-means  1905 , and seat  1907 . 
     Continuing discussing  FIG.  21 A  and  FIG.  21 B , in some embodiments, with respect to an exterior of bottom-cap  1821 , interior-sidewall  1827  may extend vertically upwards from a bottom most portion of bottom-cap  1821 . In some embodiments, the bottom most portion of bottom-cap  1821  may be at overall bottom  1833  of housing  1800 . In some embodiments, the bottom most portion of bottom-cap  1821  may be an annular/circular flange structure with an outside diameter that is wider than an outside diameter of interior-sidewall  1827 , located at overall bottom  1833 . In some embodiments, a top of interior-sidewall  1827  may end/terminate at a top most portion of bottom-cap  1821 . In some embodiments, the top of interior-sidewall  1827  may be opposed from the bottom most portion of bottom-cap  1821  (i.e., that of overall bottom  1833 ). In some embodiments, bottom-cap  1821  may comprise interior-sidewall  1827  that may be shaped substantially as a right cylindrical member that extends above the opening-for-light and/or that extends above seat  1907 . In some embodiments, interior-sidewall  1827  may be at least a substantially (mostly) hollow right cylindrical member. In some embodiments, with respect to an exterior of bottom-cap  1821  and with respect an overall height of bottom-cap  1821 , interior-sidewall  1827  may occupy more than one-half (0.5) of that overall height. Whereas, with respect to an interior of bottom-cap  1821  with respect an overall height of bottom-cap  1821 , interior-sidewall  1827  may occupy less than one-half (0.5) of that overall height (because on the interior of bottom-cap  1821 , interior-sidewall  1827  starts from its bottom at seat  1907 . That is, interior-sidewall  1827  is taller on the exterior of bottom-cap  1821  and shorter on the interior of bottom-cap  1821 . Note, the overall height of bottom-cap  1821  is at least substantially (mostly) parallel with common-shared longitudinal axial-centerline  1900 , when housing  1800  and/or when full-assembly  2000  are fully assembled. In some embodiments, with respect to an interior of bottom-cap  1821 , interior-sidewall  1827  may extend vertically upwards from seat  1907  of bottom-cap  1821  as shown in  FIG.  21 C . 
     Continuing discussing  FIG.  21 A ,  FIG.  21 B , and  FIG.  21 C , in some embodiments, at least one tooth  1829  may be located on an interior surface of interior-sidewall  1827 . In some embodiments, bottom-cap  1821  may comprise at least one tooth  1829 , wherein at least one tooth  1829  may extend from and away from interior-sidewall  1827  and towards common-shared longitudinal axial-centerline of the housing  1900 . In some embodiments, at least one tooth  1829  may be configured to removably engage attachment structure of a bottom portion of integrated-lighting-module  100 . In some embodiments, tooth  1829  may be configured for (removable) attachment to lower/bottom structure(s) of integrated-lighting-module  100 , such as, but not limited to, twist-lock-teeth  133 . In some embodiments, tooth  1829  may be sized and/or shaped to fit within twist-lock-opening  135 . In some embodiments, tooth  1829  may be projections/extensions of material extending away from an interior surface of interior-sidewall  1827  and towards common-shared longitudinal axial-centerline  1900 . In some embodiments, with respect to the overall height of bottom-cap  1821 , tooth  1829  may be located closer to seat  1907  than to the top of bottom-cap  1821 . In some embodiments, with respect to the overall height of bottom-cap  1821 , tooth  1829  may be located closer to seat  1907  than to the bottom of bottom-cap  1821  (bottom  1833 ). In some embodiments, with respect to the overall height of bottom-cap  1821 , tooth  1829  may be located above seat  1907 . In some embodiments, tooth  1829  may not be touching seat  1907 . In some embodiments, tooth  1829  may be spaced apart from seat  1907  by a fixed, finite, and predetermined distance. In some embodiments, tooth  1829  extends/protrudes away from the interior surface of interior-sidewall  1827  less than a width of seat  1907 . In some embodiments, an inside diameter of seat  1907  may be less than a distance between two opposing teeth  1829 . 
     Continuing discussing  FIG.  21 A ,  FIG.  21 B , and  FIG.  21 C , in some embodiments, at least one attachment-means  1905  may be located on an exterior surface of interior-sidewall  1827  (whereas, tooth  1829  may be located on the interior surface of interior-sidewall  1827 ). In some embodiments, bottom-cap  1821  may comprise attachment-means  1905 , wherein the attachment-means  1905  may extend from and away from an exterior of interior-sidewall  1827 . In some embodiments, attachment-means  1905  may be configured to removably engage at least one tooth  1909  of an inside bottom portion of main-housing-member  1801 . In some embodiments, attachment-means  1905  may be configured for (removable) attachment to a bottom portion of main-housing-member  1801  (such as, but not limited to, tooth  1909  of main-housing-member  1801 ). In some embodiments, attachment-means  1905  may be located above bottom  1833 . In some embodiments, with respect to the overall height of bottom-cap  1821 , attachment-means  1905  may be located closer to bottom  1833  than to the top of bottom-cap  1821 . In some embodiments, attachment-means  1905  may be form a receiving channel/slot that may be open on one end and closed off at an opposing end; wherein this receiving channel/slot may be configured to retain tooth  1909  of main-housing-member  1801 . In some embodiments, this receiving channel/slot (of attachment-means  1905 ) may have a curvature that at least substantially matches/tracks the exterior surface of the outside diameter of interior-sidewall  1827 . In some embodiments, a length of this receiving channel/slot (of attachment-means  1905 ) may be at least substantially (mostly) orthogonal to common-shared longitudinal axial-centerline  1900 . In some embodiments, with respect to the overall height of bottom-cap  1821 , attachment-means  1905  may be located lower on bottom-cap  1821  than tooth  1829 . In some embodiments, with respect to the overall height of bottom-cap  1821 , attachment-means  1905  may be located below tooth  1829 . In some embodiments, there may be two opposing attachment-means  1905  located on the exterior of interior-sidewall  1827 . In some embodiments, there may be two opposing teeth  1829  located on the interior of interior-sidewall  1827 . In some embodiments, an imaginary line running between two opposing attachment-means  1905  may be substantially (mostly) perpendicular to a different imaginary line running between two opposing teeth  1829  of a same bottom-cap  1821 . 
     Continuing discussing  FIG.  21 A ,  FIG.  21 B , and  FIG.  21 C , in some embodiments, seat  1907  may be located on an interior of bottom-cap  1821 . In some embodiments, bottom-cap  1821  may comprise seat  1907  that may be an annular shelf located on an inside of bottom-cap  1821  and that may be configured to support and stop downward movement of integrated-lighting-module  100  within housing  1800 . In some embodiments, with respect to the overall height of bottom-cap  1821 , seat  1907  may be begin wherein a top most portion of conical-exterior-surface  1823  ends/terminates. In some embodiments, with respect to the overall height of bottom-cap  1821 , seat  1907  may be located at about half-way of that overall height, entirely on the inside of bottom-cap  1821 . In some embodiments, seat  1907  may be an annular shelf/ledge, with a major flat planar surface occupying a plane that is at least substantially (mostly) perpendicular to common-shared longitudinal axial-centerline  1900 . In some embodiments, the top flat planar surface of  1907  may be configured to: support integrated-lighting-module  100 ; support a bottom most portion of integrated-lighting-module  100 ; support flange  131 ; stop downward movement of integrated-lighting-module  100  within housing  1800 /full-assembly  2000 ; stop downward movement of the bottom most portion of integrated-lighting-module  100  within housing  1800 /full-assembly  2000 ; stop downward movement of flange  131  within housing  1800 /full-assembly  2000 ; portions thereof; combinations thereof; and/or the like. In some embodiments, a smallest inside diameter of bottom-cap  1821  may that of the inside diameter of seat  1907 . In some embodiments, a largest inside diameter of bottom-cap  1821  may be at bottom  1833 , on an exterior outside edge of bottom-cap  1821 . 
       FIG.  22 A  and  FIG.  22 B  show perspective views from a bottom of main-housing-member  1801 , looking upwards into an interior/inside of main-housing-member  1801 . In  FIG.  22 A  and in  FIG.  22 B , a top of main-housing-member  1801  may be capped with top-cap  1811 . Note, bottom  1833  may be not shown in  FIG.  22 A  and in  FIG.  22 B , because bottom-cap  1821  is removed in  FIG.  22 A  and in  FIG.  22 B . Internal-rib(s)  1901  and teeth  1909  are shown in both  FIG.  22 A  and in  FIG.  22 B . In some embodiments, main-housing-member  1801  may comprise at least one internal-rib  1901 . In some embodiments, main-housing-member  1801  may comprise at least one internal-rib  1901  that is located on an inside of the main-housing-member  1801 . In some embodiments, internal-rib  1901  may provide for increased strength, structural integrity, and/or rigidity to main-housing-member  1801 . In some embodiments, internal-rib  1901  may be located on an interior/inside portion of main-housing-member  1801 . In some embodiments, internal-rib  1901  may be extensions/protrusions of material, that extend away from interior-sidewall  1805  and towards common-shared longitudinal axial-centerline  1900 , by a finite, fixed, and predetermined distance. In some embodiments, internal-rib  1901  may not reach common-shared longitudinal axial-centerline  1900 . In some embodiments, internal-rib  1901  may be closer to interior-sidewall  1805  than to common-shared longitudinal axial-centerline  1900 . In some embodiments, internal-rib  1901  may touch interior-sidewall  1805 . In some embodiments, at least one internal-rib  1901  may be a linearly straight member that runs from top-end  1835  towards bottom-end  1837 . In some embodiments, internal-rib  1901  may have a length that runs in a direction that is at least substantially (mostly) parallel with common-shared longitudinal axial-centerline  1900 . In some embodiments, when main-housing-member  1801  may have two or more internal-ribs  1901 , such internal-ribs  1901  may be equally spaced from each other within the interior/side of main-housing-member  1801 . In some embodiments, the length of internal-rib  1901  may be shorter than the overall height of main-housing-member  1801 . In some embodiments, the length of internal-rib  1901  may run from the top of main-housing-member  1801  to almost the bottom of main-housing-member  1801 , but not entirely reaching to the bottom of main-housing-member  1801 . In some embodiments, the bottom of internal-rib  1901  may be separated from the bottom of main-housing-member  1801  by a predetermined gap. In some embodiments, occupying at least a portion of this predetermined gap may be tooth  1909 . In some embodiments, at least one internal-rib  1901  does not touch the bottom-end  1837  and is separated by from bottom-end  1837  by this predetermined gap. In some embodiments, extending from this predetermined gap is at least one tooth  1909  that may be configured for removable attachment to bottom-cap  1821  (e.g., to attachment-means  1905 ). 
     Continuing discussing  FIG.  22 A  and  FIG.  22 B , in some embodiments, main-housing-member  1801  may comprise at least one tooth  1909 . In some embodiments, main-housing-member  1801  may comprise at least one tooth  1909  that is located on an inside of the main-housing-member  1801 , wherein the at least one tooth  1909  may be configured for removable attachment to bottom-cap  1821  (e.g., to attachment-means  1905 ). In some embodiments, tooth  1909  may be located on an inside/interior of main-housing-member  1801 . In some embodiments, at least one tooth  1905  may be located closer to bottom-end  1837  than to top-end  1835 . In some embodiments, tooth  1909  may be extensions/protrusions of material, that extend away from interior-sidewall  1805  and towards common-shared longitudinal axial-centerline  1900 , by a finite, fixed, and predetermined distance. In some embodiments, tooth  1909  may not reach common-shared longitudinal axial-centerline  1900 . In some embodiments, tooth  1909  may be closer to interior-sidewall  1805  than to common-shared longitudinal axial-centerline  1900 . In some embodiments, tooth  1909  may touch interior-sidewall  1805 . In some embodiments, located below internal-rib  1901  may be at least one tooth  1909 . In some embodiments, located below each internal-rib  1901  may be at least one tooth  1909 . In some embodiments, tooth  1909  may not be touching any internal-rib  1901 . In some embodiments, a bottom of internal-rib  1901  may be separated from a nearest tooth  1909  top portion by a gap of fixed and predetermined distance. In some embodiments, a top portion of attachment-means  1905  may be configured to fit into this gap between the bottom of internal-rib  1901  and a top portion of nearest tooth  1909 . In some embodiments, tooth  1909  may be configured to fit within the receiving channel/slot formed by attachment-means  1905 . 
     Wiring/cabling  2203  and/or electrical-connector  2205  may be shown in  FIG.  22 A . In some embodiments, wiring/cabling  2203  may be run from some source exterior to housing  1800 /full-assembly  2000  to inside of housing  1800 , by passing through access-aperture  1807  (and/or through access-aperture  1815 ). In some embodiments, wiring/cabling  2203  may be at least partially constructed from one or more electrical conductors (which may be insulated). In some embodiments, wiring/cabling  2203  may be configured to transmit electrical energy. In some embodiments, wiring/cabling  2203  may be flexible. Inside of housing  1800 , wiring/cabling  2203  may terminate in electrical-connector  2205 . In some embodiments, electrical-connector  2205  may be configured to (removably) attach to a complimentary electrical connector of integrated-lighting-module  100  (e.g., a complimentary electrical connector of a driver of integrated-lighting-module  100 ). In some embodiments, wiring/cabling  2203  may be wired directly to integrated-lighting-module  100  (e.g., a driver of integrated-lighting-module  100 ). In some embodiments, at least a portion of wiring/cabling  2203  may pass through an interior portion of a linkage-arm  2313 . See e.g.,  FIG.  23 B  for an example linkage-arm  2313 . 
       FIG.  23 A  to  FIG.  23 E  show housing  1800 /full-assembly  2000  in various different applications of use. 
       FIG.  23 A  shows a bottom perspective view of a ceiling-mount-configuration  2300  of housing  1800 /full-assembly  2000 . In some embodiments, in ceiling-mount-configuration  2300 , housing  1800  (with integrated-lighting-module  100  installed within housing  1800 ) may be installed directly to an underside of a given ceiling. In some embodiments, in ceiling-mount-configuration  2300 , at least a portion of wiring/cabling  2203  may be passing through access-aperture  1815  of top-cap  1811 . In some embodiments, in ceiling-mount-configuration  2300 , top-cap  1811  and/or an upper portion of main-housing-member  1801  may be attached to the underside of the given ceiling and/or to mounting structure located just behind that given ceiling. In some embodiments, in ceiling-mount-configuration  2300 , an overall assembly may also comprise at least one cover/disk  2301  per housing  1800 . In some embodiments, cover/disk  2301  may be a cover, disk, and/or bezel like structure that may cover over mounting hardware used to attach housing  1800  to that given ceiling and/or the structure located just behind that given ceiling. In some embodiments, cover/disk  2301  may have an inside diameter that is sized to fit an outside diameter of main-housing-member  1801 . In some embodiments, a ceiling-mounted down lighting kit may comprise one or more of: housing  1800 , integrated-lighting-module  100 , cover/disk  2301 , portions thereof, combinations thereof, and/or the like. In some embodiments, a ceiling-mounted down lighting kit may comprise at least one of: housing  1800 , integrated-lighting-module  100 , cover/disk  2301 , portions thereof, combinations thereof, and/or the like. 
       FIG.  23 B  shows a bottom perspective view of another/different ceiling-mount-configuration  2311  of housing  1800 /full-assembly  2000 . In some embodiments, in ceiling-mount-configuration  2311 , main-housing-member  1801  may be attached to at least one linkage-arm  2313 ; and then another/different terminal end of that  2313  may be attached to the ceiling and/or to structure located just behind that ceiling. In some embodiments, linkage-arm  2313  may attached to main-housing-member  1801  at access-aperture  1807 . In some embodiments, housing  1800  may comprise at least one linkage-arm  2313 . In some embodiments, at least some portions of wiring/cabling  2203  may be through an interior of linkage-arm  2313 . In some embodiments, linkage-arm  2313  may be an elongate member. In some embodiments, linkage-arm  2313  may be a right cylindrical member. In some embodiments, linkage-arm  2313  may be at least partially hollow and configured for passage of at least a portion of wiring/cabling  2203  therein. In some embodiments, in ceiling-mount-configuration  2311 , an overall assembly may also comprise at least one cover/disk  2315  per housing  1800 . In some embodiments, cover/disk  2315  may be a cover, disk, and/or bezel like structure that may cover over mounting hardware used to attach housing  1800  to that given ceiling and/or the structure located just behind that given ceiling. In some embodiments, cover/disk  2315  may have an inside diameter that is sized to fit an outside diameter of linkage-arm  2313 . In some embodiments, a ceiling-mounted down lighting kit may comprise one or more of: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , cover/disk  2315 , portions thereof, combinations thereof, and/or the like. In some embodiments, a ceiling-mounted down lighting kit may comprise at least one of: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , cover/disk  2315 , portions thereof, combinations thereof, and/or the like. 
       FIG.  23 C  shows a bottom perspective view of a track-light-configuration  2321  of housing  1800 /full-assembly  2000 . In some embodiments, in track-light-configuration  2321 , housing  1800 /full-assembly  2000  may be configured for use in a track lighting configuration/environment. In some embodiments, main-housing-member  1801  may be attached to at least one linkage-arm  2313 . In some embodiments, linkage-arm  2313  may be attached to main-housing-member  1801  at access-aperture  1807 . In some embodiments, a different terminal end of linkage-arm  2313  may terminate/end at track-attachment  2323 . In some embodiments, track-attachment  2323  may be a standard terminal/end for track lighting. In some embodiments, track-attachment  2323  may be configured for (removable) attachment to at least one track  2325 . In some embodiments, track  2325  may be a standard track used for track lighting. In some embodiments, track  2325  may be installed upon a generally flat and/or planar surface, such as, but not limited to, a ceiling underside, a wall, a tabletop, a desktop, a floor, a ground, portions thereof, combinations thereof, and/or the like. In some embodiments, a track lighting kit may comprise one or more of: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , track-attachment  2323 , track  2325 , portions thereof, combinations thereof, and/or the like. In some embodiments, a track lighting kit may comprise at least one: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , track-attachment  2323 , track  2325 , portions thereof, combinations thereof, and/or the like. 
       FIG.  23 D  shows a bottom perspective view of a pendant-lighting-configuration  2331  of housing  1800 /full-assembly  2000 . In some embodiments, in pendant-lighting-configuration  2331 , top-cap  1811  may be attached to at least one elongate-linkage-member  2333 . In some embodiments, elongate-linkage-member  2333  may be attached to top-cap  1811  at access-aperture  1815 . In some embodiments, elongate-linkage-member  2333  may be configured for housing/retaining at least a portion of wiring/cabling  2203 . In some embodiments, at least a portion of wiring/cabling  2203  may pass through an interior of elongate-linkage-member  2333 . In some embodiments, elongate-linkage-member  2333  may be an elongate member and/or a right cylindrical member. In some embodiments, elongate-linkage-member  2333  may be one or more of: linearly straight, rigid, semi-rigid, flexible, hollow, substantially (mostly) hollow, portions thereof, combinations thereof, and/or the like. In some embodiments, elongate-linkage-member  2333  may be implemented as a chain made up of a finite plurality of chain linkages, linked end to end in a chain fashion. In some embodiments, an opposing end of elongate-linkage-member  2333 , disposed away from top-cap  1811 , may be attached to given substrate, such as, but not limited to, a ceiling, ceiling mounted hardware, and/or underneath some rigid structure (e.g., cabinetry, a beam, etc.). In some embodiments, a pendant lighting kit may comprise one or more of: housing  1800 , integrated-lighting-module  100 , elongate-linkage-member  2333 , portions thereof, combinations thereof, and/or the like. In some embodiments, a pendant lighting kit may comprise at least one: housing  1800 , integrated-lighting-module  100 , elongate-linkage-member  2333 , portions thereof, combinations thereof, and/or the like. 
       FIG.  23 E  shows a bottom perspective view of a wall-sconce-configuration  2341  of housing  1800 /full-assembly  2000 . In some embodiments, in wall-sconce-configuration  2341 , main-housing-member  1801  may be attached to at least one linkage-arm  2313 ; and an opposing terminal end of that linkage-arm  2313  (disposed away from housing  1800 ) may be attached to a substrate, such as, a vertical substrate (e.g., a wall, a vertical beam, etc.). For example, and without limiting the scope of the present invention, such a vertical substrate as a wall is shown in  FIG.  23 E  that linkage-arm  2313  is in physical communication with. In some embodiments, linkage-arm  2313  may be attached to main-housing-member  1801  at access-aperture  1807 . In some embodiments, in wall-sconce-configuration  2341 , housing  1800  may be attached to a vertical wall (via linkage-arm  2313  attachment to the wall) with bottom-cap  1821  pointed downwards or upwards, as desired. In some embodiments, a sconce lighting kit may comprise one or more of: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , portions thereof, combinations thereof, and/or the like. In some embodiments, a sconce lighting kit may comprise at least one: housing  1800 , integrated-lighting-module  100 , linkage-arm  2313 , portions thereof, combinations thereof, and/or the like. 
     In some embodiments, housing  1800  may further comprise at least one linkage-arm  2313  (or elongate-linkage-member  2333 ) that is attached to either main-housing-member  1801  or to top-cap  1811 , wherein the at least one linkage-arm  2313  may be configured to provide a physical linkage between housing  1800  and a substrate that at least one linkage-arm  2313  may be in communication with (e.g., physically touching and/or attached to). In some embodiments, such a substrate may be selected from one or more of: a ceiling, ceiling hardware, a wall, wall hardware, a beam, a stud, a flat planar surface, a portion of drywall, a portion of masonry, a portion of stucco, portions thereof, combinations thereof, and/or the like. See e.g.,  FIG.  23 B ,  FIG.  23 C ,  FIG.  23 D , and/or  FIG.  23 E . 
     In some embodiments, housing  1800  may be configured to be implemented as at least one of: a ceiling-mounted downlight (see e.g.,  FIG.  23 A  and/or  FIG.  23 B ), a track-lighting mounted light (see e.g.,  FIG.  23 C ), a pendant downlight (see e.g.,  FIG.  23 D ), a sconce (see e.g.,  FIG.  23 E ), portions thereof, combinations thereof, and/or the like. See e.g.,  FIG.  23 A  to  FIG.  23 E . 
       FIG.  24 A  shows housing  1800  with an attached linkage-arm  2313  in a first configuration.  FIG.  24 B  shows housing  1800  with the attached linkage-arm  2313  in a second configuration.  FIG.  24 A  may show linkage-arm  2313  in an orthogonal-configuration  2401  with respect to common-shared longitudinal axial-centerline  1900 . In some embodiments, in orthogonal-configuration  2401 , a length of linkage-arm  2313  may be at least substantially (mostly) orthogonal with respect to common-shared longitudinal axial-centerline  1900 .  FIG.  24 B  may show linkage-arm  2313  in a parallel-configuration  2451  with respect to common-shared longitudinal axial-centerline  1900 . In some embodiments, in parallel-configuration  2451 , the length of linkage-arm  2313  may be at least substantially (mostly) parallel with respect to common-shared longitudinal axial-centerline  1900 . In some embodiments, the linkage-arm  2313  shown in  FIG.  24 A  and shown in  FIG.  24 B , may the same linkage-arm  2313 , but shown in different configurations (articulations) in the two different figures. In some embodiments, such differences in articulation of linkage-arm  2313  (e.g., as shown in  FIG.  24 A  and in  FIG.  24 B ) may be accomplished by linkage-arm  2313  comprising at least one joint. In some embodiments, linkage-arm  2313  may comprise at least one joint. In some embodiments, a joint of linkage-arm  2313  may be configured for articulation, bending, rotation, swiveling, portions thereof, combinations thereof, and/or the like, with respect to different sections/portions of linkage-arm  2313  that may be attached to such a joint of that linkage-arm  2313 . In some embodiments, an angle between common-shared longitudinal axial-centerline  1900  and the length of linkage-arm  2313  may be varied from a range selected from zero (0) degrees to 180 degrees; and sub-ranges therein. In some embodiments, setting of this angle may be accomplished by a user bending/articulating linkage-arm  2313  and/or its joint to the desired angle. In some embodiments, once this angle may be set, that angle may be maintained without further intervention. 
     In some embodiments, integrated-lighting-module  100  and/or driver cap  101  may comprise one or more of a light emitted color selection-means; a light emitted temperature se-lection-means; and/or a light emitted luminosity selection-means. 
     In some embodiments, integrated-lighting-module  100  and/or driver cap  101  may comprise at least one of a light emitted color selection-means; a light emitted temperature se-lection-means; and/or a light emitted luminosity selection-means. 
     See e.g., lumen-switch  111 / 211  and/or color-temperature-switch  113 / 213  from/of U.S. utility (non-provisional) patent application Ser. No. 17/246,272, filed on Apr. 30, 2021, by the same inventor, Brandon Cohen. U.S. utility (non-provisional) patent application Ser. No. 17/246,272 is incorporated by reference herein as if fully set forth herein. 
     In some embodiments, the light emitted color selection-means, the light emitted temperature selection-means, and/or the light emitted luminosity selection-means may be in the form of at least one switch/button. In some embodiments, this at least one switch/button may be user accessible from an exterior of integrated-lighting-module  100 , of driver cap  101 , and/or of housing  1800 . 
     In some embodiments, the color selection-means may be a switch configured to change the emitted light color-temperature from LED light chip  701 , within a predetermined range of light color-temperatures (e.g., in Kelvin). In some embodiments, the color selection-means may be configured to select light color-temperatures from 2700 Kelvin to 5000 Kelvin. In some embodiments, the color selection-means may be configured to select light color-temperatures at 2700 Kelvin, 3000 Kelvin, 3500 Kelvin, 4000 Kelvin, and/or 5000 Kelvin. In other embodiments, other predetermined light color-temperatures may be selected (selectable) by the color selection-means. 
     In some embodiments, the temperature selection-means may be a switch configured to change the emitted light color-temperature from LED light chip  701 , within a predetermined range of light color-temperatures (e.g., in Kelvin). In some embodiments, the temperature se-lection-means may be configured to select light color-temperatures from 2700 Kelvin to 5000 Kelvin. In some embodiments, the temperature selection-means may be configured to select light color-temperatures at 2700 Kelvin, 3000 Kelvin, 3500 Kelvin, 4000 Kelvin, and/or 5000 Kelvin. In other embodiments, other predetermined light color-temperatures may be selected (selectable) by the temperature selection-means. 
     In some embodiments, the luminosity selection-means may be a switch/button configured to change the luminosity of emitted light from a LED light chip  701  of integrated-lighting-module  100 , within a predetermined range of luminosity (e.g., in lumens). In some embodiments, luminosity selection-means may be configured to select lumens output from 1000 to 2000 lumens. In some embodiments, luminosity selection-means may be configured to select lumens output at 1000 lumens, 4250 lumens, 1500 lumens, 1750 lumens, and/or 2000 lumens. In other embodiments, other predetermined lumens may be selected (selectable) by luminosity selection-means. 
     At least some components of integrated-lighting-module  100  and/or of housing  1800  may be 3D (three dimensional) printed, injection molded, cast, stamped, die cast, die cut, extruded, and/or the like. 
     Note, any ranges noted herein may include one or both endpoints of the given disclosed range. 
     An integrated-lighting-module, a system using an integrated-lighting-module, and a housing for the integrated-lighting-module have been described. The foregoing description of the various exemplary embodiments of the invention has been presented for the purposes of illustration and disclosure. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in light of the above teaching without departing from the spirit of the invention. 
     While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.