Source: https://patents.google.com/patent/CN105179969B/en
Timestamp: 2020-01-26 16:01:47
Document Index: 17952484

Matched Legal Cases: ['application No.12', 'application No.12', 'art 260', 'art 265', 'art 430', 'art 470', 'art 430', 'art 430', 'art 470', 'art 430', 'art 470', 'art 470', 'art 430', 'art 570', 'art 530', 'art 570', 'art 530', 'art 530', 'art 530', 'art 530', 'art 470', 'art 633', 'art 881', 'art 883', 'art 884', 'art 1081', 'art 1087', 'art 1087', 'art 1087', 'art 1087', 'art 1020', 'art 1120']

CN105179969B - LED bulb and lamps and lanterns comprising the LED bulb - Google Patents
LED bulb and lamps and lanterns comprising the LED bulb Download PDF
CN105179969B
CN105179969B CN201510595967.3A CN201510595967A CN105179969B CN 105179969 B CN105179969 B CN 105179969B CN 201510595967 A CN201510595967 A CN 201510595967A CN 105179969 B CN105179969 B CN 105179969B
CN201510595967.3A
CN105179969A (en
胡利奥·A·加瑟兰
2010-06-08 Priority to US12/796,555 priority
2011-05-27 Application filed by 克利公司 filed Critical 克利公司
2011-05-27 Priority to CN201180028656.9A priority patent/CN103052838B/en
2015-12-23 Publication of CN105179969A publication Critical patent/CN105179969A/en
2018-12-11 Publication of CN105179969B publication Critical patent/CN105179969B/en
This application discloses LED bulb and include the lamps and lanterns of the LED bulb.LED bulb includes LED light engine, including substrate, at least one electric trace is patterned on substrate, wherein, substrate includes at least one turn of bilge, and to form multiple non-coplanar LED support surface parts, multiple LED are installed on multiple non-coplanar LED support surface parts；Base members, including the multiple electric contacts being arranged near base end；Euphotic cover, limits inner space, and multiple LED of LED light engine are contained in inner space；Cooling fin that can be accessible from the outside, including multiple fins associated with base members and be arranged between base end and lid；The one or more electric control circuit elements being arranged in base members；And at least one compression fitting or socket, be arranged to promote the installation between LED light engine and base members, wherein LED light engine match via at least one compression fitting or socket with base members, with base members progress machinery, connection electrically and thermally.
LED bulb and lamps and lanterns comprising the LED bulb
The application is the international application in international filing date on May 27th, 2011, international application no PCT/US2011/038454 In on December 10th, 2012 enter thenational phase application No. is the special of 201180028656.9, entitled " LED bulb " The divisional application of benefit application, entire contents are hereby expressly incorporated by reference.
This application claims the priority of the U.S. Patent application No.12/796,555 submitted on June 8th, 2010.
The present invention relates to solid-state lighting devices, including having the light bulb of one or more light emitting diodes.
Light emitting diode (LED) is the solid-state device for converting electric energy to light, and generally includes to be clipped in opposite One or more active layer of semiconductor material between doped layer.When being biased on doped layer, hole and electronics are infused Enter in one or more active layers, wherein hole and electronics reconfigure, to generate the light emitted from described device.Laser Diode is the soild state transmitter operated according to the principle of similitude.
Solid state light emitter can be used for providing colored (such as, non-white) or White LED light (for example, being considered as white or close white Color).Through investigating, soild state transmitter is used as the potential alternative of incandescent lamp.The representative example of white led lamps includes blue led Chip packaging piece (for example, being made of InGaN and/or GaN) is coated with phosphor (usually YAG:Ce), which inhales It receives at least part blue light and re-emits yellow light, combined yellow and blue emission, which provide, is considered as white or near-white The feature of light.If combined yellow and blue light looks like yellow or green, ' indigo plant turns yellow ' (" (blue can be described as Shifted yellow) BSY ") light or ' blue greening ' (" BSG ") light.Increase from soild state transmitter or phosphor material The red spectrum of (lumiphoric material) (such as, phosphor) output, can be used for improving the warm degree of white light.As base In the alternative of the White LED of phosphor, the combination transmitting of red, blue and green solid transmitter and/or phosphor The characteristics of white or near-white can be regarded as.Another method of manufacture white light is, uses purple or ultraviolet LED light source, simulation The phosphor or dyestuff of multiple color.Solid-state lighting device may include for example, at least organic or inorganic light emitting diode and/ Or laser.
Various modern illumination application needs high power soild state transmitter, to provide required horizontal brightness.From high power The transmitting of LED is typically inserted through diffuser, to generate the light with bigger diffusivity, the feature of more pleasant.High-capacity LED can Attract larger current, to generate the amount of heat that must be dissipated.Due to needing to prevent LED from being grasped under excessively high junction temperature Make to improve reliability and extend the service life of LED, so the heat dissipation elements such as heat diffuser are usually disposed as and high density LED carry out thermal communication.Aluminium is typically used as heat diffuser material, this is because it is with reasonable cost, high-termal conductivity and resistance to Corrosivity, and be easier to manufacture.By casting, extruding, and/or processing technology, the aluminothermy for solid-state lighting device expands Scattered device is formed generally as various shape.
Need to provide a kind of LED bulb, which can replace incandescent lamp, without damaging light output feature, but it is various Limitation hinders being widely used for LED bulb.It includes manufacturing cost that a kind of limitation of LED bulb, which is widely used, in limitation, this It is to usually require to be manually assembled when because assembling the multiple portions of conventional LED light bulb, such as, to carry out mechanical, electrical and hot (pass Heat) connection.Another kind limitation relevant to conventional LED light bulb includes limited directional light output.That is, high using tradition When exporting LED bulb, at least part of heat diffuser is arranged between the substrate of light bulb and sphere (or lid), and sphere or lid are logical It is usually used in protecting LED and scattering from the light wherein emitted.Unfortunately, it is sufficient to the thermal diffusion of the LED that dissipates heat generated The size of device usually stops the output of the light close to light bulb substrate.This light bulb in desk lamp upward when, the area below light bulb The light output of generated low-density and shade make most of user uncomfortable in domain.
It needs to reduce or eliminate and step is manually assembled, so that cost is reduced, to manufacture LED bulb.It is also required in LED light Heat dissipation is improved in bubble, to reduce the needs for large-sized external heat diffuser, to provide light output, packet in more general orientation range Include the output of enhancing close to LED bulb substrate.It is also required to promote lower LED junction point temperature, to extend the service life of LED.
The present invention relates to improved LED bulb, this light bulb solves the various limitations that known LED bulb has.
On the one hand, the present invention relates to a kind of light emitting diode (LED) light engines, suitable for LED bulb, the LED light Engine includes at least one LED, and the LED is mounted thereto patterning and is formed in the substrate of at least one electric trace, described Substrate includes at least one hot loop part, at least one described LED is arranged to carry out at least one described hot loop part Thermal conduction communication, wherein the substrate includes at least one turn of bilge, to form being generally rigid at least one LED Erect support construction.One related aspect is related to a kind of LED bulb, including above-mentioned light engine.
On the other hand, the present invention relates to a kind of methods, comprising: the substrate of general plane is patterned, to limit at least At least one electric trace of one light emitting diode (LED)；At least one LED is installed to substrate；And by the substrate at Shape, to limit at least one turn of bilge, in it to form at least one the setting branch being generally rigid for being used at least one LED Support structure.This method can be used for manufacturing one or more LED light engines and relevant LED bulb.
Another aspect of the present invention relates to a kind of light emitting diode (LED) light bulbs, comprising: lid limits inner space (body Product), wherein the visible spectrum transmissivity of at least part of material of lid is at least about 80% and at about 25 DEG C Thermal conductivity is at least 25W/ (m ° of K)；And substrate, support at least one LED, wherein at least one described LED and institute At least part for stating substrate is arranged in inner space.
On the other hand, the present invention relates to a kind of light emitting diode (LED) light bulbs, comprising: lid limits inner space, described The material of lid is suitable for transmitting at least part of the light in visible spectrum；At least one LED is arranged in inner space；Branch Dagger, including the multiple electric conductors being electrically connected at least one described LED；And first and second electric contacts, setting are supporting In column or on support column, and be arranged to cooperate with electrical socket, to receive electric current, wherein first and second electric contact with The multiple electric conductor is electrically connected；Wherein, a part of support column is arranged in the outside of inner space and is exposed to ring around In border.
Another aspect of the present invention relates to a kind of light emitting diode (LED) light bulbs, comprising: lid limits inner space, described The material of lid is suitable for transmitting at least part of the light in visible spectrum；Substrate supports at least one LED, wherein it is described extremely At least part of a few LED and the substrate is arranged in the inner space；And at least one opening, it is limited to In the lid, wherein at least one opening is connected to surrounding ambient fluid.
On the other hand, any of above aspect and/or other features and embodiment disclosed herein may be combined, It is additional to have the advantages that.
By following discloses and attached drawing, more fully show other aspects of the present invention, feature and embodiment.
Fig. 1 is according to the schematic side elevation of the LED bulb of one embodiment of the present of invention, including support column, the support Column is perforation (vented), should to allow to be in fluid communication between the bulb space that ambient enviroment and lid limit Support column includes monoblock type screw base part；
The schematic side elevation of the post part of the LED bulb of another embodiment according to Fig. 2, support column are logical (ventilated) and including screw base part connected to it；
The schematic side elevation of the LED bulb of another embodiment according to Fig. 3, support column are logical, and cover closing The inner space of light bulb also defines multiple ventilation openings (ventilation port)；
The schematic cross section installation diagram of the LED bulb of another embodiment according to Fig. 4 A, including being located in support column Heat pipe, and including preferably removable fan section, which is arranged to engage with support column and promote to lamp It is cooling that bubble carries out forced convertion；
Fig. 4 B is the schematic cross sectional views of the LED bulb of Fig. 4 A in assembled condition；
Fig. 4 C is the schematic side elevation of heat diffuser, and the heat diffuser is for similar to light bulb shown in Fig. 4 A-4B LED bulb, the replacement as fan section；
The schematic cross sectional views of the LED bulb of another embodiment according to Fig. 5, including cooling fan and with light bulb The integrally formed heat pipe of support column；
The schematic side elevation of the LED bulb of another embodiment according to Fig. 6, including composite cover, the lid are arranged to promote It is cooling into light bulb；
The schematic side elevation of the LED bulb of another embodiment according to Fig. 7, including light transmission and thermally conductive cover, And internal heat diffuser is arranged to thermally conductive to cover；
The schematic side elevation of the LED bulb of another embodiment according to Fig. 8, including light transmission and thermally conductive cover, Cover limits multiple fins；
The schematic cross sectional side view of the LED bulb of another embodiment according to Fig. 9, including limit bulb space Lid, wherein the lid includes port or opening, to allow to be in fluid communication between ambient enviroment and bulb space, Baffle (baffle) is arranged to close to port or opening；
The schematic cross sectional side view of the LED bulb of another embodiment according to Figure 10 A, including be made of planar substrates LED light engine part, to provide mechanical support, electric connection and thermally conductive for multiple LED, wherein walked in each plane treatment After rapid, substrate bending, to form light engine；
Figure 10 B is by the schematic elevational view for the LED light engine for including in the LED bulb of Figure 10 A；
Figure 11 A is according to the perspective schematic view of a part of substrate of another embodiment of the invention, which includes First and second edge connectors, these connectors are arranged to cooperate with the electric contact of socket or fixed device, so as to for herein Disclosed in LED bulb provide electric current；
Figure 11 B is the diagrammatic perspective cut-away of the substrate portion of Figure 11 A, which is arranged in the shell of LED bulb In vivo and including aperture, the first and second edge connectors can extend through these apertures, with socket or fixed device Electric contact engagement, to provide electric current for LED bulb disclosed herein；
The schematic elevational view of the LED light engine of another embodiment according to Figure 12 A, LED light engine include plane base Plate, to provide mechanical support, electric connection and thermally conductive for multiple LED, which is suitable for bending to box-like, and LED is set It sets on several sides；
Figure 12 B be Figure 12 A LED light engine simplified schematic perspective view (by substrate be bent with formed it is box-like it Afterwards)；
The schematic cross sectional side view of the LED bulb of another embodiment according to Figure 13, including with Figure 12 A and Figure 12 B Shown in the similar LED light engine of LED light engine, occupy a part of length of the base part of light bulb；
The schematic cross sectional side view of the LED bulb of another embodiment according to Figure 14, including LED light engine, occupy The substantially whole length of the base part of light bulb.
Referring now to attached drawing hereinafter, the present invention is described in more detail below, shows the embodiment of the present invention in the figure. However, the present invention can be presented as many different forms, and it should not be construed as being limited to specific embodiment presented herein. Exactly, these embodiments are for conveying the scope of the invention to those skilled in the art.It rises for clarity in the figure See, the size and relative size of layer and region can be amplified.
Unless otherwise defined, otherwise, term (including technical and scientific terms) used herein is interpreted as With the identical meaning of the meaning that is generally understood with the technical staff in field belonging to the present invention.Also, it is to be understood that Term used herein be interpreted as having with the consistent meaning of meaning in this specification and related fields, and do not answer It is explained by ideal or excessively formal meaning, unless being clearly specified that herein.
It does not include one or more elements except non-clearly describing, otherwise, term used herein " including (comprising) " it includes one or more that, " include (including) " and " having (having) ", which is interpreted as being not excluded for, The open-ended term of a element.
Term " solid-state light emitters " used herein or " solid state light emitting device " may include light emitting diode, swash Optical diode and/or other semiconductor devices including one or more semiconductor layers.Operation electric current and voltage are applied to solid When state transmitter, solid-state light emitters generate stable state thermic load.This stable state thermic load and operation electric current and voltage are interpreted as Corresponding with the operation of soild state transmitter, level makes with quite long service life (preferably at least about 5000 A hour, more preferably at least about 10,000 hour, more preferably at least about 20,000 hour) in the case where will hair Output is penetrated to maximize.
Can individually or optionally with one or more luminescent materials (such as, phosphor, scintillator, phosphorescence ink) and/or Filter is used in conjunction with solid-state light emitters, has the required feeling color (color including can be considered white to generate Combination) light.By the way that these materials are added in sealant, these materials are added in lens or by directly coating It may include (also referred to as " the phosphorescence ") material that shines in LED matrix on LED.In this sealant may include dispersion and/ Or the other materials such as index-matching material.
In all fields, it the present invention relates to LED bulb, provides at least one following advantages: improving thermal characteristics, reduces complexity Degree and manufacturing cost and raising performance.
In one embodiment, LED bulb includes support column, and at least partly transmissive lid is arranged in a part of support column (also referred to as " sphere ") is internal, and a part extends through and covers and be exposed in ambient enviroment.This support column can provide Structure, electrical and/or heat transmission function.In one embodiment, this support column does not surround the individual (all of support column setting Such as, molding) main body.
Lid for the LED bulb according to some embodiments can be made of the material suitably transmitted, such as (but not limited to) Polymeric material and/or glass.Herein, transmission material is known as being suitable for transmitting at least part of the light in visible spectrum Material.LED bulb lid may include diffuser, and diffuser is arranged to spread the light emitted from one or more soild state transmitters. This lid may include one or more lens, to provide the effectiveness of optically focused, orientation or light setting.Or lid may include One or more phosphors (such as, phosphor) are arranged to the light interaction with one or more LED transmitting (that is, to receive The light of LED transmitting with peak wavelength and responsively transmitting have it is different from the peak wavelength that LED emits at least The light of one other peak wavelength).By contact with lid or spatially separated with lid (such as, setting in lid) layer or Structure, it is possible to provide various effectiveness (such as, diffusion, optically focused and/or orientation and light conversion).
LED bulb lid can have symmetrical or intentionally asymmetric characteristic.There is described herein with include heat diffuser The relevant lid of solid-state lighting device, which may have any suitable size or shape, including planar, spherical, hemispherical Etc..At least part of shape of this lid can be similar to sphere.
Term " support column " used herein is functionally for indicating a kind of element, and the element is in LED bulb Direction between base end and LED emitter extends and provides direct or indirect support for one or more transmitters.? Herein, it directly supports expection to be installed to LED in the surface being formed in above support column, and expection is supported to have indirectly One or more structural details between support column and LED are set.Support column be not limited strictly to any specific shape or Structure.In one embodiment, support column is set as the tubular element with any required section shape, optionally, including extremely A few hollow space.In another embodiment, support column can without hollow inside, and may include flat part or Roughly planar part.
The support column for extending through the lid of LED bulb can provide structural support for one or more soild state transmitters, can have There is relevant electric conductor to allow to be electrically connected with one or more soild state transmitters, and/or heat transfer and/or heat dissipation effect are provided With.This support column may include be arranged to comprising operating element (for example, conductor, controller and/or circuit element, heat transfer element, Sensor etc.) one or more channels, groove or cavity (no matter opening or closing), and/or allow air etc. cooling Liquid flowing.Channel, groove or the cavity formed in the support column of LED bulb may be configured as having any suitable structure (nothing The fluid connection by whether each other), such as, with one heart, side by side, intersection and it is non-intersecting.
In one embodiment, the first and second electric contacts of LED bulb are arranged in or on support column, and are arranged to Cooperate with electrical socket, to receive electric current, electric contact passes through the electric conductor being arranged in or on support column and is electrically connected at least one LED It is logical.In one embodiment, LED bulb is arranged at least one LED drive circuit element and/or LED control circuit element In or on support column.This circuit may include but be not limited to drive circuit, ballast circuit, dimmer circuit, voltage control Circuit, current control circuit, color control circuits, electrostatic discharging element, sensor and/or sensory feedback circuit, temperature protection Circuit etc..In one embodiment, support column includes conductive material (such as, metal), electrically insulating material setting its at least In or on a part.This insulating materials is formed as being arranged in coating or covering at least part of support column.? In one embodiment, support column includes electrically insulating material, at least one conductive material sets within it or thereon.Preferred real Apply in example, support column can external close surface include electrically insulating material, occurred with preventing user and this cylinders contact Electric shock.In one embodiment, support column limits the lateral contact and stabilizer blade contact of Edison-type threaded light bulb connector.Another In one embodiment, one or more contacts of previously fabricated Edison-type threaded light bulb connector are (such as, with the shape of cap Formula), and by mechanical engagement, it is installed on support column.Although various embodiments disclosed herein include Edison Type screw thread coupling, it is to be appreciated that, LED bulb can be by as known in the art or research and development any appropriate types Electric connector is constituted.
In one embodiment, support column includes one or more LED mounting surface, and one or more LED installs table Face is configured to receive LED.When multiple LED mounting surfaces are arranged, this surface can be non-coplanar each other, to allow Different directions emit the light from different LED.In various embodiments, LED mounting surface can be flat, raised or sunken shape. LED mounting surface can have at least one relative heat diffuser and/or cooling fin, be arranged to distribute and/or dissipate The heat that at least one LED is generated.Heat diffuser relevant to LED mounting surface and/or cooling fin can be with or without Electroactive (electrically active).By using heat-conducting cream or other suitable heat transfer amplified mediums, heat can be enhanced and connect Touching.By the surface connection of welding and/or bonding wire, can be electrically connected between mounting surface and LED.In one embodiment In, one or more LED mounting surfaces are integrally formed in or on the support column of LED bulb.In another embodiment, one A or multiple LED mounting surfaces are formed in prefabricated elements, which is arranged to couple at least part of support column.
In certain embodiments, support column includes at least one opening being in fluid communication with inner space or port (inner space is limited by lid), to allow to be in fluid communication with ambient enviroment.Air or other fluids pass through nature pair Stream moves through one or more openings or port, by the way that one or more fluid circulations in or on LED bulb are arranged in Element (such as, fan, hair dryer, fluid pump, the charged components for promoting ionic air mobile etc.) can excite this movement or The pressure that person is provided by external source of fluid can drive this movement.
In certain embodiments, various types of heat transfer elements can be associated with the support column of LED bulb.Support column can wrap At least one of include or there is relative following elements: heat pipe, internal fan or hair dryer, external fan or blowing Machine, thermoelectric (al) cooler, thermally conductive heat diffuser and heat conducting and heat radiating fin (e.g., including multiple fins).Different types of multiple biographies Thermal element can be combined in a LED bulb.In one embodiment, LED bulb may include being arranged to remove with no damage A part or multi-section point, to allow to replace or repair heat transfer element or other elements.
In certain embodiments, the cover of LED bulb limits inner space, which includes to set within it At least one LED, and cover limits at least one opening being connected to surrounding ambient fluid or port.At least one is additional Port can be limited in the lid and/or substrate (such as, column) part of LED bulb, so that air or other fluid circulations pass through Multiple openings or port, so as to allow at least some of the cooling LED bulb of convection current.First opening or port can limit In lid, second opening or port can be limited in support column, channel is limited in support column, first and second opening or Extend between port, provides fluid communication will pass through the support column between the first and second openings or port.In a reality It applies in example, lid may include multiple portions, limit port or opening between these portions.
It is including providing in the one embodiment for limiting the LED bulb lid of at least one opening and at least one being set Baffle, to prevent seeing at least one LED unblockedly.This baffle preferably at least fractional transmission is in visible area At least one wavelength, and can be made of the material roughly the same with the material of lid, or by the material different from the material of lid It constitutes.It can provide multiple openings and multiple baffles.Baffle can be located in the inner space limited by lid, or can be located at outside lid Face.Baffle can be integrally formed with lid, or be can be separately formed and pasted in lid after manufacturing baffle.It is one or more Spacer element may be disposed between baffle and lid, to ensure that baffle is arranged far from lid.In one embodiment, baffle includes time Grade cladding element (including multiple holes in it), which is arranged at least one LED, which includes being arranged on this baffle Main cladding element.
In one embodiment, the opening being limited in the lid of LED bulb has relative filter element, the element It is arranged to that dust or other particulate matters is prevented to enter in the inner space that lid limits.This filter element (can be along the outer of lid Surface is arranged and/or by one or more fixtures, bayonet accessory, magnet, cable or is arranged to and the lid of light bulb or another portion Other fixing elements closed are distributed, are mechanically fixed) there can be removable characteristic, it periodically cleans or replaced to allow Filtering element.In one embodiment, one or more sensors (such as, optical sensor, heat sensor, pressure sensor, difference Dynamic pressure force snesor, operating time sensor, and/or gas flow transducer etc.) can be set to sensing indicate need clean or more The condition of filter is changed, and LED bulb can remind this condition of user.The form of this prompting can be the police of audio or video Report, any variation of LED bulb operating condition or the perceptible interaction of other users.In one embodiment, mistake Filtering element includes authentication element, is arranged to be communicated with LED bulb at least part.This authentication element may include radio frequency Identification label, microchip, EEPROM are inquired or are read accordingly comprising being suitable for received signal will be wanted to be output to LED bulb Take the other information of the medium of element.Authentication element optionally participates in " challenge and response " certification scheme.By using certification member Part, LED bulb manufacturer can ensure that only the filter of manufacturer's approval can be used in combination with LED bulb, by repair rate (warranty exposure) is minimized.
In one embodiment, LED bulb includes lid, which is adapted to provide for light transmission and heat dissipation effectiveness.Common LED bulb Including simple glass or polymer cap (such as, diffuser and/or lens), this lid typically comprises heat guard.Can avoid will be general Logical polymer cap heating, to prevent this material from changing colour and/or deformation.In order to enhance the effectiveness of heat dissipation, according to the present invention Some embodiments in, at least part of LED bulb lid may include that there is quite high visible spectrum transmissivity (such as, to exist At least one wavelength within the scope of visible area at least about 80%, more preferably at least about 85%, it is more preferably at least big About 90%, more preferably at least about 95%, more preferably at least about 97%) and higher thermal conductivity is (that is, due to thermal conductivity Rate depend on temperature, so when temperature is about 25 DEG C or 298 ° of K) material.This higher thermal conductivity can be at least about For 25W/ (m ° of K), more preferably at least about 50W/ (m ° of K), more preferably at least about 75W/ (m ° of K), more Preferably at least about 100W/ (m ° of K), more preferably at least about 150W/ (m ° of K), and more preferably at least About 200W/ (m ° of K) is limited including optionally by the upper limit threshold thermal conductivity for being up to about 210W/ (m ° of K) above-mentioned The range of minimum value.Show visible spectrum transmissivity in (a) one or more above ranges and (b) in one or more The example for stating the material of the higher heat-conductivity in range includes but is not limited to silicon carbide, crystal silicon carbide and the thermal conductivity being sintered The higher glass of rate (such as, including indium tin oxide).
In one embodiment, the conductive cover of LED bulb includes multiple fins.Such as, by sintering (by powdered precursor Substance is heated, usually using another adhesive material) and/or by processing, this fin can be formed.In a reality It applies in example, the conductive cover of LED bulb is used as optical diffuser or at least one lens.In one embodiment, LED bulb Conductive cover includes or has relative phosphor material, which is arranged to carry out the transmitting from least one LED Lower conversion (downconvert).
In one embodiment, heat diffuser relevant to LED bulb and/or cooling fin are arranged to and at least one LED And thermal conduction communication is carried out with conductive cover described herein.In one embodiment, the conductive cover of LED bulb includes at least one A opening, optionally, including at least one baffle, as described herein.
In one embodiment, essentially all of conductive cover include visible spectrum transmissivity be at least about 80% and Thermal conductivity is at least the material of 25W/ (m ° of K).In another embodiment, lid includes different material.In an example, Lid includes the first cover and second part, and the first cover includes a kind of material, and visible spectrum transmissivity is at least about 80% and its thermal conductivity be at least 25W/ (m ° of K), the visible spectrum transmissivity of second part is less than about 80% and its thermal conductivity Rate is greater than 25W/ (m ° of K).First part and second part can be coupled along interface, which is arranged to promote in first part Heat transfer between second part.
In certain embodiments, by using LED light engine, manufacture LED bulb can be simplified, by using being suitable for plane The technology of substrate (such as, circuit board) makes have at least one turn of bilge in it, then by this substrate forming to be at least One LED forms the setting support construction being generally rigid, to manufacture this LED light engine.LED light engine can be by planar substrates It constitutes, to provide mechanical support, electric connection and thermally conductive for one or more LED.In one embodiment, by substrate at Shape, to form multiple non-coplanar LED support surfaces, these surfaces are suitable for supporting multiple LED.At least one LED is installed to It, can be by the substrate forming before or after substrate.In one embodiment, " setting " support construction being generally rigid, which defines, to be set Set the gap under substrate mounting layer or part, it is preferable that positioned at the inside of light engine.The characteristic in this gap with according to one The setting property of the light engine of a embodiment is consistent, and includes tradition around at least part of molded polymer of lead frame LED encapsulation piece is different, wherein the contact portion of lead frame can be bent downwardly to be installed to target surface.In one embodiment In, LED light engine disclosed herein does not have at least part of polymer structure of the conductive metallic portion of closed substrate, into One step is different from traditional LED encapsulation piece.
In one embodiment, general plane substrate can be patterned, to limit LED and a relevant circuit At least one electric trace (and preferably multiple electric traces) of element.LED and various circuit element (such as, LED drive controls Element and/or LED control circuit element) it may be mounted in substrate, be limited in substrate or be limited on substrate.LED and/or Circuit element may be provided on the side and/or two sides of single substrate.It can be curved to limit at least one in it by substrate forming Portion, to form the setting support construction being generally rigid.This support construction is preferably self-supporting, without using additional rigid Property bracket keeps required position.
Using one of the technology for being suitable for planar substrates the advantage is that multiple substrates can be manufactured simultaneously, then by these Substrate is cut into multiple portions or forms multiple LED light engines.Such as, the electric trace patternable of multiple LED and circuit element On at least one surface of substrate.Multiple LED it is mountable in substrate and/or on.Then, which is cut into multiple portions Point, each part carries out one or more forming steps, and to limit at least one turn of bilge in it, it is substantially rigid to be used to form realization The LED light engine of the support construction of property.LED light engine is formed as any shape, including opens and closed form.
In one embodiment, substrate includes metal-core printed circuit board (PCB).In one embodiment, substrate includes Stamped metal layer and at least one electric insulation layer.In one embodiment, substrate includes at least one hot loop part, and extremely A few LED is settable to be mounted to carry out thermal conduction communication with hot loop part.In one embodiment, substrate include thickness not Same part.Such as, the metal of the first meter can be used to form thermoelectricity trace, and the metal of second (thicker) meter It can be used to form hot loop part (such as, may be adapted to support LED and/or circuit element relevant to LED).In one embodiment In, substrate includes the part made of different metals, such as, is used to form the copper part of electric trace and is used to form heat and return The aluminum portions of road or cooling fin.In one embodiment, the hot loop part of substrate is arranged to extend or extend through LED bulb Base part or shell.In one embodiment, hot loop part includes the cooling fin with multiple fins.Implement at one In example, the hot loop part of LED light engine can be set to carry out thermal conduction communication with secondary heat spreader, which, which has, sets Set at least one surface outside LED bulb.The hot loop part of LED light engine can have it is electroactive, or can at least One LED and/or other relative circuit elements are electrically isolated.
The base end of LED light engine may include electric contact, these electric contacts be arranged to electrical socket (such as, socket or Fixed device) cooperate or engages, to receive electric current, for supplying current at least one LED connecting with light engine.? In one embodiment, substrate includes being suitable for at least one electric contact engagement of socket (such as, socket or fixed device) extremely A few edge connector, to supply current to LED light engine.In the entitled INTERFACE that on March 24th, 2010 submits AND FABRICATION METHOD FOR LIGHTING AND OTHER ELECTRICAL DEVICES (illumination and other electricity The interface and manufacturing method of device of air) U.S. Patent application No.12/730, in 802, disclose relevant to edge connector Various details, this application are hereby incorporated herein by reference.One or more edge connectors can extend across one or more A aperture (such as, slot), limits these apertures in the support column or shell of LED bulb.This support column or shell can be with It is electrical isolation.
In one embodiment, LED light engine can occupy the only only a part length of the base part of LED bulb.It is this LED light engine can be set to the supporting element and/or installation elements below installation one or more.In another embodiment, LED Light engine can occupy the substantially whole length of the base part of LED bulb.LED light engine can be inserted into its substrate or shell or protection In part.This substrate or shell may include outside heat sink, which is arranged at least one hot loop with LED light engine Part carries out thermal conduction communication.
Referring to attached drawing, various advantages and features according to the present invention are elaborated.
Fig. 1 shows LED bulb 10 according to an embodiment of the invention.Light bulb 10 includes base end 11, setting Multiple LED 45-47 in the inner space 30 limited by lid 30 and the branch extended between base end 11 and lid 30 Dagger 20.Stabilizer blade contact 15 and lateral contact 16, the setting of the two contacts and screw thread Edison-type are provided along base end 11 Socket cooperation.LED45-47 is separately positioned on multiple LED mounting surface 41-43.This LED mounting surface 41-43 can be with branch Dagger 20 is formed simultaneously, or may be provided on pre-erection 40, which is arranged to couple with support column 20.Support column 20 can Be formed with the interior section of conductive material, the material have the layer that electrically insulating material 29 on its expose portion is set or Coating, to prevent the user contacted with support column 20 from getting an electric shock.In such an embodiment, lateral contact 16 and/or stabilizer blade contact 15 (can be isolated by annular insulating material (not shown)) can be integrally formed with support column 20.It limits inside support column 20 along outer The multiple first ports or opening 26 of surface setting and the multiple second ports being arranged in lid 30 or opening 28.One or more A access or channel (not shown) may be provided in support column 20 or along its outer surfaces, to allow air in multiple ports or It is moved between opening 26,28, so that inner space 31 is connected to surrounding ambient fluid.This set allows heat from inner space It is escaped in 31, needs cooling fin to reduce to cool down LED bulb 10.
Fig. 2 shows at least part of LED bulb similar with light bulb 10 shown in Fig. 1, which is not covered, and And including the support column 20A that is electrically insulated, it includes base end 11A, stabilizer blade contact 15A and lateral touching which, which extends in (a), The pre-manufactured substrate contact part and (b) of point 16A includes the pre-erection 40A for installing the LED mounting surface of LED 45A-47A respectively Between.Pass through any combination method (including mechanical coupling, adhesive, and/or similar method) appropriate, substrate contact portion Point and each of pre-erection 40A can be connect with support column 20A.
Fig. 3 shows another LED bulb 110 similar with embodiment shown in Fig. 1, and fluid circulation element 50 is added It is added in support column 120, and adds multiple ports or opening 132,133 in lid 130 and relevant baffle 133,134.Lamp Bubble 110 includes base end 111, multiple LED 145-147, the Yi Ji being arranged in the inner space 131 limited by lid 30 The support column 120 extended between base end 111 and lid 130.Electric contact 115,116 is arranged to close to base end 111.Support Column 120 includes along its surface and the electrical insulation material layer 129 that is arranged outside its surface.It is defined inside support column 120 Along the multiple first ports or opening 126 of outer surface setting and the multiple second ports or the opening that are arranged in lid 130 128.Fluid circulation element 150 facilitates air and moves between this port or opening 126-128, which is included in fan Or in hair dryer.The port or opening 132,133 limited in lid 130 has baffle 134,135, these baffles are arranged to connect with it Closely, it is preferable that be positioned to prevent to see LED 141-143 unblockedly.Each of lid 130 and baffle 134,135 are excellent At least one wavelength in at least partly transmissive visible area of selection of land, baffle 134,135 and lid 130 are optionally by substantially the same material Material is constituted.
Free convection is to promote a kind of raised phenomenon of heat, however, LED bulb 110 can face upward or downward, thus LED Forced convertion (such as, being excited by fluid circulation element 150) in light bulb 110 can transport in the direction opposite with free convection Row.In order to avoid this anti-active effect, in one embodiment, LED bulb may include sensor, which is arranged to feel Survey installation direction sensor, wherein in response to the output of this sensor, control the loop direction of fluid circulation element 150.
Fig. 4 A and Fig. 4 B show the LED bulb 210 according to another embodiment, including the heat pipe in support column 220 255, external fluid circulation (such as, fan) part 260 is set including preferably removable, which is arranged to and supports Column 220 engages and promotes to carry out forced convertion cooling at least part of LED bulb 210.Fluid recycling section 260 limits Aperture 261, the aperture are arranged to that fluid recycling section 260 is allowed to be mounted on at least part of outside of support column 220.
Light bulb 210 includes base end 211, the multiple LED 245- being arranged in the inner space 231 limited by lid 230 247 and the support column 220 that extends between base end 211 and lid 230.LED 245-247 setting with internal thermal diffusion Device 249 carries out on the support surface 241-243 of thermal conduction communication, which is arranged to contact with heat pipe 255, which sets It is set to and is conveying heat from heat diffuser 249 towards the direction of base end 211 in support column 220 or along the support column. Electric contact 215,216 is arranged to cooperate with external electrical socket, is arranged close to base end 211.It is provided along support column 220 attached The electric contact 256,257 added, for cooperating with the corresponding contacts 266,267 of fluid recycling section 260, to give fluid circulation member Part 265A-265B power supply.
At least one sensor 259, which can be set to sensing, to be indicated to need to initialize or adjust fluid circulation element 265A- The operation of 265B, the operation for needing to limit LED 245-247 need to clean or to replace fluid circulation element 265A-265B (or whole A fluid recycling section 260) etc. one or more conditions (such as, temperature, air-flow, pressure difference, electric current etc.).At one In embodiment, fluid recycling section 260 includes authentication element, which is arranged to be connected to at least part of LED bulb.This Kind of authentication element may include radio frequency authenticating tag, microchip, EEPROM or comprising be suitable for will received signal be output to LED Light bulb is inquired accordingly or the other information of the medium in reading element.In this way, LED bulb manufacturer can ensure that, only manufacture The fluid circulation element of quotient's approval can be used in combination with LED bulb, and repair rate (exposure) is minimized.
As the replacement of fluid recycling section 260, the cooling fin 270 including multiple fins 271 is mountable in support column 220 Exterior section on, to promote passively to cool down LED bulb 210.
Referring to Fig. 5, the LED bulb according to another embodiment includes being integrally formed in the support column 320 of light bulb 310 Heat pipe 355 and fluid circulation element 350.Light bulb 310 includes base end 311, the inner space limited by lid 330 is arranged in Multiple LED 345-347 in 331 and the support column 320 extended between base end 311 and lid 330.Electric contact 315, 316 are arranged to close to base end 311.The support that thermal conduction communication is carried out with internal heat diffuser 349 is arranged in LED 345-347 On the 341-343 of surface, which is arranged to contact with heat pipe 355, the heat pipe be arranged to from heat diffuser 349 towards The direction of base end 311 conveys heat in support column 320 or along the support column.Opening 320A can be limited to support column In 320, to allow air to move on one end of heat pipe 355.At least one sensor 359, which can be set to sensing, to be indicated to need just Beginningization adjusts the operation of fluid circulation element 350, the operation for limiting LED 345-347, cleaning or replacement fluid circulation element 350 etc. one or more conditions (such as, temperature, air-flow, pressure difference, electric current etc.).
Fig. 6 shows the LED bulb 410 according to another embodiment, compound outside including closed interior space 431 or The outside that multi-section point is constituted.Electric contact 415-416 is arranged near base end 411.Lower part including multiple cooling fins 471 470 are divided to be arranged between upper cap part 430 and base end.In one embodiment, lower part 470 includes a kind of material, Its transmissivity with higher and higher thermal conductivity (such as, the visible spectrum transmissivity at least about 80% and The room temperature thermal conductivity of at least 25W/ (m ° of K) at about 25 DEG C), it is interior to form multiple fins 471, and upper cover part 430 There is no fin.Upper cover part 430 can be made of the material identical or different with lower part 470.Upper cover part 430 and lower part 470 can have different thickness, surface smoothness or pattern, and/or including different materials, different optical properties is assigned It gives by light bulb 410 in the light beam that different directions (such as, on or below boundary 469) emits.In one embodiment, under Part 470 include substantially lighttight material (such as, metal), and upper part include with above-mentioned higher transmissivity and compared with The material of high thermal conductivity, and boundary 469 is arranged to promote to carry out thermally conductive (such as, lead between upper and bottom section Cross heat-conducting cream or other conductivity enhancing materials).
The material or structure 434 that one or more light influence associated with upper cover part 430 (or can be formed in it Or thereon), or be arranged between upper cover part and the transmitter being arranged together with the device (being arranged close to boundary 469). The material or structure 434 that this light influences may include but be not limited to one or more diffused components, Wavelength changing element, optically focused Element or light shaping element.
Fig. 7, which is shown, to be used for according to the LED bulb 510 of another embodiment including the substrate with heat diffuser 549 Multiple LED of thermal conduction communication (at contact surface 548) are carried out with the one or both in lower part 570 and upper cover part 530 545, to dissipate heat into ambient enviroment.LED is installed to by outer wall (such as, upper cover part 570 and/or lower part 530) in the substrate supported, it may not be necessary to interior support posts.Electric contact 515-516 is arranged near base end 511.Pass through Any suitable method, including use individual electric wire, flexible strip connector, circuit board section etc., conductor (is not shown Show) substrate for supporting LED 545 can be extended to from contact 515-516.In one embodiment, upper cover part 530 and lower cover portion 570 are divided to constitute a continuous elements.In another embodiment, upper cover part 530 include transmissivity with higher and The material of higher thermal conductivity, and lower part has different heat and/or light transmission feature.Upper cover part 530 and lower part Points 570 can have different thickness, surface smoothness or pattern, and/or including different materials, so as to along heat diffuser The different optical characteristics of the light beam that 549 impartings emit in different directions (such as, on or below boundary).In one embodiment In, as described above, lower part 470 include substantially lighttight material (such as, metal), and upper part include have it is above-mentioned compared with The material of high transmissivity and higher thermal conductivity.
Fig. 8 shows the LED bulb 610 according to another embodiment, including lid 630, which includes with higher The material of rate and higher thermal conductivity is penetrated, and limits multiple fins 637.These fins 637 may or may not extend to setting At the lower part 633 close to contact 616,615, these contacts are arranged near base end 611.Such as, by sintering (by powder Last shape precursor substance is heated) and/or by machining, fin 637 can be formed.In one embodiment, fin 637 is big It causes to be aligned (the substantially vertical screw thread of lateral contact 616) on longitudinal direction.In another embodiment, on substantial transverse, diagonal On line direction or on several directions, fin 637 can be aligned.May be selected the quantity of fin, direction, height, width, Away from and surface smoothness, so as to by light and heat feature one or both optimize.
Fig. 9 shows the LED bulb 710 according to another embodiment, including including multiple ports or opening 732,733 Lid 730 and the baffle 734,735 for being arranged to close to port or opening 732,733.LED bulb 710 includes being arranged in base terminal Electric contact 715,716 near portion 711.Support component 720 is arranged in the inner space 731 limited by lid 730, LED 745- 747 are arranged on its multiple surface 741-743.This baffle 734,735 is preferably set to prevent from seeing LED unblockedly 745-747.This baffle 734,735 can be integrally formed with lid 730 or these baffles may be separately formed and after the fabrication It is connect with lid 730.One or more spacer element (not shown)s can be between baffle 734,735 and lid 730, to ensure hindering Spacing is kept between plate and lid.
Figure 10 A shows LED bulb 810 and the LED light engine 880 suitable for manufacturing LED bulb 810, and Figure 10 B is shown LED light engine 880 in the fabrication process.Referring to Figure 10 B, the substrate 895 for manufacturing LED light engine 880 may include to Lack a conductive layer and at least one electric insulation layer (may include such as, in metal-core printed circuit board) or has applied The thickness of one or more insulating layers uniformly or non-uniformly metal layer is added.Each section 881-884 of substrate 895 is in buckled zone Extend between the 878A-878C of domain.When substrate is bent or carries out other formings, substrate portion 881-884 may be provided at non-co-planar knot In structure, to generate the setting support construction being generally rigid, as shown in FIG. 10A.Can at least one surface of substrate 895, The electric trace (not shown) of multiple LED 845 and circuit element 869 is patterned, and LED 845 and circuit element 869 can be pacified Fill or be deposited on substrate 895 or on.Although being preferably done all figures in one embodiment, before curved substrate Case and installation steps, but can be according to any required sequence, execution is by the forming of substrate 895 (such as, being bent) and on it The step of installing one or more elements.
Figure 10 A shows the LED light engine 880 being arranged in LED bulb 810.The base part 881 of LED light engine 880 It is arranged close to substrate and the contact 815,816 of light bulb 810.The base end 881 of LED light engine 880 can be used for carrying out physics Installation, electrical connection, and/or it is thermally conductive.The standing portion 882 of light engine is set along the longitudinal axis of LED bulb 810, and support is thereon Angle part 883 and the horizontal cantilever part 884 of LED 845 are installed.Each turn of bilge 879A-879C setting above-mentioned part it Between, correspond to bending region 878A-878C shown in Figure 10 B.830 institute of lid of LED bulb 810 is arranged in LED light engine 880 In the inner space 831 of restriction.Any one in multiple LED bulb lids disclosed herein can be used for connecting with light bulb 880.
Figure 11 A shows a part of substrate 980 comprising the first and second edge connectors 915,916, these connections Device is arranged to cooperate with the electric contact of external receptacle (such as, socket or fixed device), public to supply current to institute herein The LED bulb opened.Substrate 980 preferably includes printed circuit board thereon with various trace (not shown)s, which can wrap Narrow end sections 982A is included, to allow to be inserted into the narrow end of LED bulb, which is arranged to and Edison-type Threaded socket cooperation.Stabilizer blade contact 915 is arranged at the lower end 911 of substrate 982, and lateral contact 916 includes flute profile edge, Edge limited screw shaped tegmen bottom (such as, the thread surface of light bulb 910 shown in Figure 11 B for being arranged to follow LED bulb 927) protrusion and groove of the lateral profile of screw thread, the LED bulb are arranged to cooperate with Edison-type threaded socket.Such as Shown in Figure 11 B, substrate 980 can be set to be mounted in the shell 920 of LED bulb 910, which includes outside heat sink 971, for accommodating the first aperture (such as, slot) 925 of the stabilizer blade contact 915 of substrate 980 and for accommodating substrate 980 Lateral contact 916 the second aperture (such as, slot) 926.Contact 915,916 extends through each aperture in shell 920 When, it can be directly in electrical contact between light engine and electrical socket.The various features of substrate 980 and bulb shell 920 can be distinguished It is integrated to the substrate of LED light engine and relevant LED bulb, as described herein.
Figure 12 A and Figure 12 B show another light engine 1080, are arranged for LED bulb.That is developed is used to handle Each manufacturing step of planar substrates can be used for general plane substrate 1095.The single carrier of patternable is and at the same time handle this load Body, then, the carrier carry out punching press or other cutting steps, to generate multiple individual substrates 1095.Each electric trace 1091 It may be formed in or on one or more surfaces of substrate 1095, to be LED 1041-1045 and relevant circuit element, control Element processed and optional sensor 1069A-1069C provide electrical connection.Specific substrate shape, panel configuration, transmitter and The size of transmitter track shown in the quantity of control element and position and Figure 12 A and position are used only for being illustrated, It will be understood by those skilled in the art that these and other features are able to carry out a variety of variations when consulting the disclosure.For electric mark For line and control plan, in one embodiment, transmitter group can be controlled separately.In another embodiment, it can individually control Make each LED.
The various panels or part 1081-1087 of substrate 1095 extend between bending region 1078A-1078E.Notch 1099 can be limited between adjacent panel 1082,1087 and 1083,1086.With relevant installation elements (such as, hole or prominent Part out) 1088 hot loop part 1087 be arranged to and LED 1045 carry out thermal conduction communication.It can provide multiple hot loop parts. In one embodiment, one or more in side panel 1082-1084 there is no LED, and it is used as additional hot loop panel.It returns Road part 1087, the panel 1085 being alternatively located in below LED 1041-1085 and be located at circuit element 1069A-1069C under The conductive material (such as, metal gages) that the panel 1086 in face includes other panel 1081-s one or more than formation 1085 conductive material is thicker, to promote enhancing to conduct heat and to provide the preferential thermal runaway via this panel 1085-1087 Path.One or more panel 1081-1087 of the device (especially include hot loop panel 1087 and also have thickness enhancing 1086) any panel 1085 of feature may include one or more fins.In (such as, the deposition insulation of various plane treatment steps Material, formation electric trace, installation or addition circuit element 1069A-1069C and possibly installation LED 1041-1045 (by In this installation can be carried out after cutting and/or forming step)) after, when necessary cleavable substrate 1097 (such as, so as to Form cut portion 1099 and/or separate the adjacent part of substrate and carrier), and by the substrate forming to form LED light Engine 1080.When substrate 1091 is bent or carries out other formings, substrate portion 1081-1087 can be set to have non-co-planar knot Structure, to generate the setting support construction 1080 being generally rigid, as shown in Figure 12B.In one embodiment, disclosed herein LED light engine include multiple electric connectors.Electric edge connector portion 1090 including multiple contacts is formed as a LED Support the extension of panel 1081.If desired, a part of substrate 1095 can be set to include edge connector 911,915, As illustrated in figure 11A.
With continued reference to Figure 12 A-12B, one or more panel (such as, panels comprising electrical control unit 1069A-1069C 1086) foldable and be put into the interior section of the structure limited by remaining panel.If desired, the end of hot loop panel 1087 Portion part 1087A can be further bent, to be conducive to be installed.In one embodiment, the end of hot loop panel 1087 Portion part 1087A can be set to contact installation with one or more bulb heat radiation element (not shown)s, the positioning of these heat dissipation elements At being exposed in ambient enviroment.In one embodiment, part radiation panel 1087 (or multiple radiation panels), which can protrude, wears The shell of LED bulb is crossed, to be exposed in ambient enviroment.
LED light engine disclosed herein can differently be used by LED bulb element disclosed herein, and not Coequality in and be mounted in LED bulb.
Figure 13 A shows the LED bulb 1010 according to another embodiment, including with LED light shown in Figure 12 A-12B The substantially similar LED light engine 1080 of engine, occupies a part of length of the base part 1020 of light bulb 1010.Base part There can be relevant cooling fin 1070 that can be accessible from the outside.Light bulb 1010 includes the electricity touching for being arranged close to base end 1011 Point 1015,1016.Lid 1030 limits inner space 1031, in the inner space, the LED comprising LED light engine 1080 1041-1045.The edge connector portion 1090 extended from a panel 1081 of LED light engine can be with base members 1048 Dependency structure (such as, socket) cooperation, and can further provide for mechanical and be thermally connected (such as, to optionally include screw, compression Accessory or other connectors), to promote to install and to conduct heat.If desired, this circuit is provided in LED light engine 1080 Except or alternatively, one or more circuit elements (such as, control circuit) may be provided in base members 1048.In a reality Apply in example, light engine 1080 and prefabricated base members 1048 cooperate (such as, passing through insertion), be used for base members 1048 into Row machinery, electrical and thermal connection, and the lid 1031 is connected, to generate LED bulb 1010.
Figure 14 shows the LED bulb 1110 according to another embodiment, including LED light engine 1180, occupies light bulb The substantially whole length of 1110 base part.LED bulb 1110 includes the cover 1130 for limiting inner space, inside this It include multiple LED 1141,1142,1145 in space.LED light engine 1180 can be inserted into the prefabricated bodies including cooling fin 1170 In 1120, mechanical, heat and electrical connection are established or provided immediately.In one embodiment, LED light engine 1180 includes side Edge connector 1115,1116, these edge connectors are arranged to be inserted through the corresponding aperture being arranged in prefabricated bodies 1020. In one embodiment, by can be inserted into connection (alternatively, can help to carry out this connection by clamping, tightening etc.), It is thermally connected between LED light engine 1180 and cooling fin 1170 relevant to prefabricated bodies 1120.In one embodiment, exist Press-fit is provided between LED light engine and prefabricated bodies structure 1120 or can fix the mechanical connection of insertion.In some embodiments In, when by the way that LED light engine 1180 being inserted into main part 1120 or be inserted into, in LED light engine and prefabricated bodies part Carried out simultaneously between 1120 above-mentioned electrical, mechanical and at least two connections in being thermally connected or all these three connections simultaneously into Row.
One embodiment of the present of invention includes at least one solid-state lighting device (such as, LED set herein Light bulb) lamps and lanterns.In one embodiment, lamps and lanterns include multiple solid-state lighting devices.In one embodiment, lamps and lanterns are arranged to Installation by adhering is in ceiling, wall portion or other surfaces.In another embodiment, lamps and lanterns are arranged to carry out track installation. Solid-state lighting device can be permanently installed in structure or vehicle, or constitute handheld portable devices, such as, flashlight.
In one embodiment, a kind of closure member disclosed herein includes enclosure space and at least one solid-state lighting Device or lamps and lanterns, wherein when providing electric current for power line, at least one lighting device illuminates at least part of enclosure space. In one embodiment, a kind of method disclosed herein uses the LED bulb including electric trace, and including mentioning electric current Multiple electric traces are supplied, to illuminate at least one LED.
In another embodiment, a kind of structure disclosed herein includes a surface or object or at least one is solid State lighting device (such as, LED bulb), wherein when providing electric current for power line, the solid-state lighting device illuminate at least surface or A part of object.In another embodiment, a kind of solid-state lighting device disclosed herein can be used for illuminating including with At least one of lower region: swimming pool, room, warehouse, indicator, road, vehicle, road sign, billboard, ship, toy, Electronic device, household or industrial electric appliance, steamer, aircraft, stadium, tree, window, garden and lamppost.
It can provide one or more advantageous technical effects according to various embodiments of the present invention, such as: by eliminating one A or multiple hand assembled steps reduce manufacturing cost；Improve heat-sinking capability；Reduce photoemissive volume enhancing (in cooling fin) Angular range (such as, by reducing transmitting obstruction by cooling fin and/or other elements), including the substrate close to LED bulb Transmitting；And LED junction point temperature is reduced, while extending LED service life.
Referring to certain aspects of the present disclosure, feature and illustrative embodiments, the present invention is described herein, together When, it is to be understood that according to disclosure herein, effectiveness of the invention is not so limited, and the opposite effectiveness extends to simultaneously And include those skilled in the art will recognize that various other variations, modifications and substitutions embodiment.Correspondingly, exist In the spirit and scope of the present invention, the present invention required in text is suitable for understanding and explaining on wide significance, including It is all these variation, modifications and substitutions embodiment.
1. a kind of LED lamp bubble, comprising:
LED light engine, including substrate have had already patterned at least one electric trace on the substrate, wherein the substrate quilt It folds to form multiple non-coplanar LED support surface parts, multiple LED are installed on the multiple non-coplanar LED support table Face part is to form the setting support construction being generally rigid for the multiple LED, wherein the setting branch being generally rigid Support structure forms interior section；
Base members, including the multiple electric contacts being arranged near base end；
Euphotic cover, limits inner space, and the multiple LED of the LED light engine is accommodated in the interior space；
Cooling fin that can be accessible from the outside, including multiple fins associated with the base members and it is arranged in the base Between bottom end and the euphotic cover；
One or more electric control circuit elements, arrangement is on the substrate and the setting support construction being generally rigid In the interior section；And
At least one compression fitting or socket are arranged to promote the installation between the LED light engine and the base members,
Wherein, the LED light engine is matched via at least one described compression fitting or socket with the base members, with institute It states base members and carries out mechanical, connection electrically and thermally.
2. LED bulb according to claim 1, wherein at least one described electric trace includes multiple electric traces.
3. LED bulb according to claim 1, wherein the base end includes Edison-type threaded light bulb connector, The Edison-type threaded light bulb connector includes lateral electric contact and stabilizer blade electric contact.
4. LED bulb according to claim 1, wherein the substrate includes metal-core printed circuit board.
5. LED bulb according to claim 1, wherein the substrate includes stamped metal layer and at least one electrical isolation Layer.
6. LED bulb according to claim 1, wherein at least one of the multiple non-co-planar LED support surface part Support surface part includes at least one edge connector portion, at least one described edge connector portion is arranged to promote institute State the connection between LED light engine and the base members.
7. LED bulb according to claim 6, wherein at least one described edge connector portion is arranged to pass through institute It states at least one aperture limited in base members and is inserted into.
8. LED bulb according to claim 1, wherein the euphotic cover includes in diffuser, lens and phosphor material Either one or two of.
9. LED bulb according to claim 1, wherein the euphotic cover includes multiple openings so that air or other Fluid flows between the inner space and external environment.
10. LED bulb according to claim 1, wherein at least part of the euphotic cover includes visible spectrum transmission Rate is at least 80% and the thermal conductivity at 25 DEG C is at least the material of 25W/ (m ° of K), and the euphotic cover and described more At least one LED thermal conduction communication in a LED.
11. a kind of lamps and lanterns, including LED bulb according to any one of claim 1 to 10.
CN201510595967.3A 2010-06-08 2011-05-27 LED bulb and lamps and lanterns comprising the LED bulb CN105179969B (en)
CN201180028656.9A CN103052838B (en) 2010-06-08 2011-05-27 LED bulb
CN201180028656.9A Division CN103052838B (en) 2010-06-08 2011-05-27 LED bulb
CN105179969A CN105179969A (en) 2015-12-23
CN105179969B true CN105179969B (en) 2018-12-11
CN201510595967.3A CN105179969B (en) 2010-06-08 2011-05-27 LED bulb and lamps and lanterns comprising the LED bulb
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