Patent Publication Number: US-2019178479-A1

Title: Set Light Fixture and Application of Same

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This is a non-provisional application that claims the benefit of priority under 35 U.S.C. § 371 to international application number PCT/CN2016/111611, international filing date Dec. 23 2016, wherein the entire contents of which are expressly incorporated herein by reference. 
    
    
     NOTICE OF COPYRIGHT 
     A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to any reproduction by anyone of the patent disclosure, as it appears in the United States Patent and Trademark Office patent files or records, but otherwise reserves all copyright rights whatsoever. 
     BACKGROUND OF THE PRESENT INVENTION 
     Field of Invention 
     The present invention relates to an illumination device, and more particularly to a set light fixture for conveniently changing an illumination angle and an illumination height to meet needs of a variety of situations where illumination or special light sources are required, particularly in various photographing or imaging environments. 
     Description of Related Arts 
     The use of lamps is very extensive, and the products that are extended into uses corresponding to different needs are numerous. It is worth mentioning that in recent years, due to the rise of various industries such as photography, imaging, entertainment and live broadcasting, the lighting effects further has an impact on the quality of the final imaging products of various photographing modules or camera modules. So the demand for good lighting effects is relatively increased, especially when LED is introduced into lamps for film and television circumstances and lamps for photographing. Because LED has the advantages of energy saving, environmental protection and long service life, it is greatly widely used in studios, indoor and outdoor video shooting, indoor and outdoor photography and so on. However, the traditional LED lamps for photographing or imaging circumstances are generally heavy, and the types of illumination types are relatively limited, and wires are needed to be directly connected to the power source, which results in difficulty in transportation. In addition, if it is necessary to realize different lighting effects in actual situations, the traditional LED lamps for photographing or imaging circumstances are also difficult to achieve the objects, such as the adjustment of the splicing, replacement, illumination angle range, spot size, and color temperature of the light source according to needs. However, the actual environments of photographing and imaging circumstances are complex and diverse, it is usually necessary to replace the light source or adjust the angle, position, and color temperature, etc. according to the objective needs of different environments and the subjective needs of different themes, scenes and ideas, etc. by the photographers. However, the conventional LED lamps for photographing or imaging circumstance are difficult to meet the needs of a variety of complex and varied photographing or imaging environments. 
     SUMMARY OF THE PRESENT INVENTION 
     The invention is advantageous in that it provides a set light fixture, so as to conveniently adapt to a variety of applications requiring illumination or special light sources, particularly be suitable for use in a variety of photographing or imaging environments. 
     Another advantage of the invention is to provide a set light fixture, wherein at least a light source device is supported by an adjustment supporting device, so as to allow the light source device to easily change an illumination angle or illumination height, and to easily set a position. 
     Another advantage of the invention is to provide a set light fixture, which further comprises a portable power device, which is more convenient for use in outdoor photographing. 
     Another advantage of the invention is to provide a set light fixture, wherein the light source device has a splicing function, so as to increase an illumination area. 
     Another advantage of the invention is to provide a set light fixture, which comprises an adapter device for cooperating with the adjusting support to enhance the utility of the light source device. Further, the adapter device detachably mounts the light source device to the adjustment supporting device. Therefore, when the adapter device is disposed at the adjustment supporting device, the light source device can be rotated to change a direction by the adapter device; when the adapter device is separated from the adjustment supporting device, the light source device can be attracted to any plane of the object that can be magnetically attracted by the adapter device. It can be understood that the adapter device comprises a magnetic unit such as a magnet. 
     Additional advantages and features of the invention will become apparent from the description which follows, and may be realized by means of the instrumentalities and combinations particular point out in the appended claims. 
     According to the present invention, the foregoing and other objects and advantages are attained by a set light fixture comprising: at least an adjustment supporting device which achieves adjustment of an angle and a height of the set light fixture; at least a light source device detachably mounted to the adjustment supporting device; at least a light control driver arranged at the adjustment supporting device and electrically connected to the light source device; and at least a battery holder electrically connected to the light control drive. 
     According to a preferred embodiment of the present invention, the adjustment supporting device comprises a handle, a holder and an adjustment screw, wherein the light source device is arranged at the handle, wherein the handle is rotatably mounted to the holder, wherein after the handle is adjusted with angle relative to the holder, the adjustment screw is arranged for fixation. 
     According to a preferred embodiment of the present invention, the light source device comprises a bottom plate, a plurality of LED illumination members, a protective film, a plurality of wrap corners, and a plurality of supporting frames, wherein the plurality of the LED illumination members is arranged in an array manner at the bottom plate, wherein the protective film is covered on the plurality of LED illumination members by a vacuum molding process, wherein the plurality of wrap corners are respectively disposed at corresponding corner positions of the bottom plate, wherein each of the supporting frames is respectively arranged between two the wrap corners. 
     According to a preferred embodiment of the present invention, the bottom plate is made of a flexible material. 
     According to a preferred embodiment of the present invention, the support frame is embodied as a gooseneck hose. 
     According to a preferred embodiment of the present invention, at least a joining member is provided to cooperate with the wrap corner to joining a plurality of the light source devices, wherein each of the wrap corners has an engaging hole, wherein each of the joining members comprises an engaging unit corresponding to each corresponding engaging hole, wherein the engaging unit cooperates with the engaging hole to join the adjacent light source devices together. 
     According to a preferred embodiment of the present invention, the set light fixture further comprises at least an engaging element arranged between the adjustment supporting device and the light source device for quick dismounting and installing the light source device from the adjustment supporting device. 
     According to a preferred embodiment of the present invention, the engaging elements are embodied as Velcro members, which are respectively arranged at a back surface of the light source device and the handle of the adjustment supporting device, so that the light source device is simply attached to or detached from the handle by attachment or detachment of the Velcro members. 
     According to a preferred embodiment of the present invention, the light source device is embodied as a monochromatic LED flexible light board. 
     According to a preferred embodiment of the present invention, the light source device is embodied as a dichromatic LED flexible light board. 
     According to a preferred embodiment of the present invention, the set light fixture further comprises an adapter device detachably fixed to the adjustment supporting device. 
     According to a preferred embodiment of the present invention, the adjustment supporting device comprises a handle, a holder and an adjustment screw, wherein the light source device is arranged at the adapter device, wherein the adapter device is detachably fixed to the handle, wherein the handle is rotatably mounted to the holder to define an angle relative to the holder, the adjustment screw is arranged for fixation. 
     According to a preferred embodiment of the present invention, the adapter device comprises at least an adapter plate, wherein the adapter plate has a plurality of threaded holes of different gauges to adapt a plurality of mounting positions and outer connectors. 
     According to a preferred embodiment of the present invention, the adapter device comprises at least a rotation device arranged at the adapter plate to rotatably connect the adapter plate with the light source device. 
     According to a preferred embodiment of the present invention, the adapter device comprises a plurality of magnetic units embedded in a side of the adapter plate adjacent to the adjustment supporting device. 
     According to a preferred embodiment of the present invention, the set light fixture further comprises a protective film which is covered on a region of the adapter plate which is embedded with the magnetic units of the adapter plate to protect the magnetic units. 
     According to a preferred embodiment of the present invention, the rotation device comprises a pressing plate, a screw, a nut, and a rotation member, wherein the screw is fixed to the adapter plate by the pressing plate, wherein the rotating element, which passes through the screw, is retained in position via the nut, and is coupled to the light source device. 
     According to a preferred embodiment of the present invention, the light source device is implemented as an LED box lamp comprising a bottom case, a plurality of LED illumination members, a light filter, and two visors, wherein the plurality of LED illumination members are arranged at the bottom case, and the light filter cover is disposed on the plurality of LED illumination members, wherein the two visors are respectively arranged at both sides of the LED illumination members and the light filter for adjusting an angle and a scope of light. 
     According to a preferred embodiment of the present invention, the bottom case has a receiving groove having an opening, wherein a plurality of heat dissipation fins are provided on a side edge of the receiving groove, wherein two sliding grooves are provided adjacent to the opening of the receiving groove to receive the light filter. 
     According to a preferred embodiment of the present invention, the light source device comprises a locker member, wherein when two side of the light filter are respectively arranged at the sliding groove, the locker member fastens the light filter to the bottom case. 
     According to a preferred embodiment of the present invention, the light source device further comprises two sets of movable members, wherein the movable members respectively arranges the two visors at the bottom case, wherein each set of the movable members comprises a rotation shaft and a plurality of rotation fixing members, wherein each of the visors is fixed to the rotation fixing members, and each of the rotation fixing member is movably mounted at the rotation shaft, wherein the visors rotate with respect to the rotation shaft towards the bottom case by the rotation fixing members, so as to adjust an angel and a height of light. 
     According to a preferred embodiment of the present invention, the visor further comprises a plurality of clamps arranged at an edge thereof for gripping a light filter fabric. 
     According to a preferred embodiment of the present invention, the light source device is embodied as an LED zoom lamp comprising a heat sink casing and a plurality of LED zoom spotlights, wherein a plurality of the LED zoom spotlights are respectively arranged at the heat sink casing. 
     According to a preferred embodiment of the present invention, the heat sink casing comprises an upper housing having a plurality of placing holes for receiving the LED zoom spotlights. 
     According to a preferred embodiment of the present invention, the heat sink casing comprises a lower housing, wherein the lower housing has a plurality of sets of heat dissipation holes, wherein when the upper housing is connected to the lower housing, each set of the heat dissipation holes is relatively aligned with the placing holes to discharge thermal energy generated by the LED zoom spotlights. 
     According to a preferred embodiment of the present invention, the heat sink casing comprises a plurality of fans, a plurality of locking covers, a plurality of rubber rings, and a plurality of gaskets, wherein a plurality of the fans are corresponding to each set of the g heat dissipation holes, and is fixed to the lower housing, wherein each of the locking covers is respectively locked to the placing hole of the upper housing, and press-fits and locks the gasket and the rubber ring respectively to the placing hole of the upper housing to achieve a waterproof and shockproof function. 
     According to a preferred embodiment of the present invention, each of the LED zoom spotlights comprises a supporting base, at least an LED illumination member, and a light cover, wherein the LED illumination member is arranged at the supporting base, wherein the light cover is arranged above the LED illumination member. 
     According to a preferred embodiment of the present invention, each of the LED zoom spotlights comprises a ball head member arranged at a bottom of the supporting base, wherein when the ball head member is coupled with the heat sink casing, the LED zoom spotlight is rotated to adjust an angle within a predetermined range. 
     According to a preferred embodiment of the present invention, each of the LED zoom spotlights comprises an adjusting ring and a telescopic adjusting element, wherein the telescopic adjusting element with the adjusting ring is disposed at the supporting base, so that the telescopic adjusting element is capable of being moved up and down relative to the supporting base to change a focal length of the LED light. 
     According to a preferred embodiment of the present invention, the light cover is embodied as a zoom lens. 
     According to a preferred embodiment of the present invention, the light cover is embodied as a Fresnel zoom lens having a characteristic that an edge of a bright spot is blurred. 
     According to a preferred embodiment of the present invention, the light source device is embodied as an LED flag board light comprising a bottom plate, a plurality of LED illumination members, a protective film, and a plurality of attaching members, wherein a plurality of the LED illumination members is arranged in an array arrangement at the bottom plate, wherein the protective film is covered on the plurality of the LED illumination members by a vacuum molding process, wherein the plurality of the attaching members are disposed at edges of the front and back surfaces of the bottom plate to realize simple joining, so that the light source devices are combined to provide a relatively large illumination range. 
     According to a preferred embodiment of the present invention, the LED flag board light adopts a waterproof fabric. 
     According to a preferred embodiment of the present invention, the attaching members are embodied as Velcro members, wherein the Velcro members are respectively provided at edges of the front and back sides of the bottom plate to join a plurality of the light source devices. 
     According to a preferred embodiment of the present invention, the set light fixture further comprises a supporting set which comprises an upper rod, a lower rod, two side rods, and a connecting rod, wherein the light source device is fixed to the upper rod and the lower rod, wherein the two side rods are disposed at two ends of the upper rod and the lower rod, wherein the connecting rod is arranged in a middle of the lower rod to adapt to insert into various slots or holes. 
     According to a preferred embodiment of the present invention, each of the side rods is embodied as a flexible telescopic rod. 
     According to a preferred embodiment of the present invention, the handle comprises a supporting portion, at least two clamping members and at least two fixing members, wherein the light source device is arranged at the supporting portion, wherein the light source device is clamped by the clamping members, wherein the light source device is fixed to the supporting portion by the fixing members connected to the clamping members. 
     According to a preferred embodiment of the present invention, the handle comprises a supporting portion and at least two fixing members, wherein the light source device is arranged at the supporting portion by the adapter device and is fixed by the fixing members. 
     According to a preferred embodiment of the present invention, the holder comprises a body portion and a locking member, wherein the body portion has a hollow groove and a wall hole penetrating through a sidewall of the hollow groove, wherein when the holder is arranged at an article having a rod-shaped end by the hollow groove, the locking member passes through the wall hole to fix the holder to the rod-shaped end. 
     According to a preferred embodiment of the present invention, the handle comprises a first adjusting portion partially extended from the supporting portion and having an arc shape at a distal end, wherein a notch is formed at a non-extending portion of the first adjusting portion, wherein the holder comprises a second adjusting portion that is partially extended from the body portion of the holder and has an arc shape at a distal end, wherein a notch is formed at a non-extending portion of the second adjusting portion, wherein when the handle is disposed at the holder, the first adjusting portion is located at the notch of the non-extending portion of the second adjusting portion, and the second adjusting portion is located at the notch of the non-extending portion of the first adjusting portion. 
     According to a preferred embodiment of the present invention, wherein the first adjusting portion is provided with a first angle adjustment gear at a vertical plane of the first adjusting portion, wherein the second adjusting portion is provided with a second angle adjustment gear at a vertical surface of the second adjusting portion, wherein the first angle adjustment gear is engaged with the second angle adjustment gear to adjust a relative angle between the handle and the holder, wherein the relative angle is ensured via the adjustment screw. 
     According to a preferred embodiment of the present invention, the first adjusting portion of the handle has a first adjusting hole located at a center of the first angle adjusting gear, wherein the second adjusting portion of the holder has a second adjusting hole located at a center of the second angle adjustment gear, wherein when the first angle adjustment gear is engaged with the second angle adjustment gear, the first adjusting hole is aligned with the second adjusting hole, and the adjustment screw penetrates the first adjusting hole and the second adjusting hole to lock and fix the relative angle between the handle and the hand hole. 
     According to a preferred embodiment of the present invention, the supporting portion of the handle has at least two through holes, and a plurality of grooves, wherein the two through holes are respectively located at the head and tail ends of the supporting portion in cooperation with the fixing members to fix the light source device to the supporting portion of the handle, wherein the plurality of grooves are recessed from a surface of the supporting portion for heat dissipation and reducing a weight of the handle. 
     According to a preferred embodiment of the present invention, the light control driver comprises a driver body, at least an adjustment member and a protective cover, wherein the adjustment member is disposed at the driver body, wherein the adjustment member is disposed at an edge of the driver body and is protruded therefrom for convenient operation, wherein the protective cover has a convex structure to protect the adjustment member when the protective cover and the adjusting component are disposed at the driver body. 
     According to a preferred embodiment of the present invention, the light source device further comprises a power signal line and a wire fixer, wherein the wire fixer fixes the power signal line to the light source device. 
     According to a preferred embodiment of the present invention, the light source device further comprises a power signal line which connects the light source device with the light control driver. 
     According to a preferred embodiment of the present invention, the battery holder is disposed at the handle of the adjustment supporting device, and the battery holder and the light control driver are arranged at the handle side-by-side. 
     According to a preferred embodiment of the present invention, the battery holder is disposed at the light control driver. 
     In order to achieve one of the above objects, the present invention provides an application method of a set light fixture comprising the following steps. 
     (A) Arrange a light source device at an adapter device. 
     (B) Detachably mount the adapter device to an adjustment supporting device. 
     (C) Change an angle of the light source device by adjusting a handle, a holder and an adjustment screw. 
     (D) Electrically connect a portable power device to a light control driver to operate the light source device. 
     According to a preferred embodiment of the application method of the present invention, in the step (A), the adapter device comprises a plurality of magnetic units, so that the light source device is capable of attaching to a surface of any object that can be magnetically attracted by the magnetic units of the adapter device. 
     According to a preferred embodiment of the application method of the present invention, in the step (A), the light source device is embodied as an LED box lamp. 
     According to a preferred embodiment of the application method of the present invention, in the step (A), the light source device is embodied as an LED zoom lamp. 
     According to a preferred embodiment of the application method of the present invention, in the step (A), the light source device comprises two visors, wherein each of the visors includes a plurality of clamps disposed at edges thereof for clamping a light filter fabric. 
     According to a preferred embodiment of the application method of the present invention, the light source device comprises two sets of movable members which movably mount the two visors at two opposite sides of the light source device. 
     According to a preferred embodiment of the application method of the present invention, the light source device further comprises a power signal line which connects the light source device with the light control driver. 
     According to a preferred embodiment of the application method of the present invention, in the step (B), the adapter device comprises an adapter plate having a plurality of common threaded holes for rapidly locking or dismounting the light source device from the adapter plate. 
     According to a preferred embodiment of the application method of the present invention, in the step (B), the adapter device comprises a rotation device, such that the light source device is rotatable relative to the adjustment supporting device. 
     According to a preferred embodiment of the application method of the present invention, in the step (C), the first adjusting portion of the handle is provided with a first angle adjustment gear, and the second adjusting portion of the holder is provided with a second angle adjustment gear, wherein the first angle adjustment gear is engaged with the second angle adjustment gear and is locked or relaxed by the adjusting screw. 
     According to a preferred embodiment of the application method of the present invention, in the step (C), when the first angle adjustment gear is not tightly engaged with the second angle adjustment gear, the handle rotated relatively to the holder to change the angle of the light source device relative to the adjustment supporting device and is locked by the adjustment screw after adjustment. 
     Still further objects and advantages will become apparent from a consideration of the ensuing description and drawings. 
     These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a perspective view of a set light fixture according to a first preferred embodiment of the present invention, in which a light source device is implemented as a monochrome LED flexible light board. 
         FIG. 2  is a front perspective view of the set light fixture according to the first preferred embodiment of the present invention. 
         FIG. 3  is a rear perspective view of the set light fixture according to the first preferred embodiment of the present invention. 
         FIG. 4  is a side perspective view of the set light fixture according to the first preferred embodiment of the present invention. 
         FIG. 5  is a perspective view of the set light fixture according to the first preferred embodiment of the present invention, which is arranged without the light source device. In other words, this is the perspective view illustrating that a light control driver and a portable power device are arranged at an adjustment supporting device and the light source device can be disassembled from the adjustment supporting device. 
         FIG. 6  is an exploded view of the set light fixture according to the first preferred embodiment of the present invention, which illustrates that relationship of components of the adjustment supporting device. 
         FIG. 7  is a front perspective view of a set light fixture according to a second preferred embodiment of the present invention, in which a light source device is implemented as a dichromatic LED flexible light board. 
         FIG. 8  is a rear perspective view of the set light fixture according to the second preferred embodiment of the present invention. 
         FIG. 9A  is a perspective view of the set light fixture according to the second preferred embodiment of the present invention, which is arranged without the light source device. In other words, this is the perspective view illustrating that a light control driver and a portable power device are arranged at an adjustment supporting device and the light source device can be disassembled from the adjustment supporting device. 
         FIG. 9B  is a perspective view from a different view different from the view of the  FIG. 9A . 
         FIG. 10  is a front perspective view of the set light fixture according to the first and second preferred embodiments of the present invention, which illustrates a schematic view of an arrangement of multiple light source devices. 
         FIG. 11  is a perspective view of a set light fixture according to a third preferred embodiment of the present invention, in which a light source device is implemented as a LED box lamp. 
         FIG. 12  is a side perspective view of the set light fixture according to the third preferred embodiment of the present invention. 
         FIG. 13  is a rear perspective view of the set light fixture according to the third preferred embodiment of the present invention. 
         FIG. 14  is a front perspective view of the set light fixture according to the third preferred embodiment of the present invention. 
         FIG. 15  is a sectional view along line A-A of  FIG. 14 . 
         FIG. 16  is a perspective view of the set light fixture according to the third preferred embodiment of the present invention, which is arranged without the light source device. In other words, this is the perspective view illustrating that a light control driver and a portable power device are arranged at an adjustment supporting device and the light source device can be dismounted from the adjustment supporting device. 
         FIG. 17  is a perspective view of a set light fixture according to a fourth preferred embodiment of the present invention, in which a light source device is implemented as a zoom LED lamp. 
         FIG. 18  is a front perspective view of the set light fixture according to the fourth preferred embodiment of the present invention. 
         FIG. 19  is a sectional view along line B-B of  FIG. 18 . 
         FIG. 20  is a rear perspective view of the set light fixture according to the fourth preferred embodiment of the present invention. 
         FIG. 21  is a perspective view of a set light fixture according to a fifth preferred embodiment of the present invention, in which a light source device is implemented as a LED flag-board lamp. 
         FIG. 22  is a rear perspective view of the set light fixture according to the fifth preferred embodiment of the present invention. 
         FIG. 23  is a perspective view of the set light fixture according to the fifth preferred embodiment of the present invention, which illustrates an arrangement of the multiple light source devices. 
         FIG. 24  is a schematic view of a battery holder of a portable power device of the set light fixture, which is suitable for a battery power supply of an existing U-type camera. 
         FIG. 25  is a schematic view of a battery holder of a portable power device of the set light fixture, which is suitable for a battery power supply of an existing V-type camera. 
         FIG. 26  is a schematic view of a battery holder of a portable power device of the set light fixture, which is suitable for a battery power supply of an existing V-type camera without a power interface. 
     
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
     The following description is disclosed to enable any person skilled in the art to make and use the present invention. Preferred embodiments are provided in the following description only as examples and modifications will be apparent to those skilled in the art. The general principles defined in the following description would be applied to other embodiments, alternatives, modifications, equivalents, and applications without departing from the spirit and scope of the present invention. 
     It should be understood by those skilled in the art that in the disclosure of the present invention, the terms like “longitudinal”, “transverse”, “upper”, “lower”, “front”, “back”, “left”, “right”, “upright”, “horizontal”, “top”, “bottom”, “inside”, and “outside”, etc. which indicates the orientation or positional relationship, is based on the orientation or positional relationship shown in the drawings, which is merely for the convenience of describing the present invention. And the above description of the invention is not to be construed as a limitation of the invention. 
     It will be understood that the term “a” is understood to mean “at least one” or “one or more”. In other words, in one embodiment, the number of an element may be one, and in other embodiments, the number of the element can be multiple. And the term “a” cannot be construed as a limitation on the quantity. 
     Referring to the  FIG. 1  to  FIG. 6 , a set light fixture according to a first preferred embodiment of the present invention is illustrated, which can be conveniently applicable to various occasions requiring illumination or special light sources, particularly suitable for use in various photographing or imaging environments. 
     In accordance with this preferred embodiment of the present invention, the set light fixture comprises an adjustment supporting device  10 , at least a light source device  20 , a light control driver  30 , and a portable power device  40 . The adjustment supporting device  10  can support at least one of the light source devices  20  in a manner that an illumination angle and an illumination height of the light source device  20  are adjustable. Further, the light source device  20  is detachably mounted at the adjustment supporting device  10 . The light control driver  30  is provided at the adjustment supporting device  10  and electrically connected to the light source device  20 , so as to control various functions of the light source device  20 . The portable power device  40  is arranged at the adjustment supporting device  10  and electrically connected to the light control driver  30  to provide power to the light source device  20 . In this way, different types of the light source device  20  can be mounted at the adjustment supporting device  10  according to different needs in indoor photographing or outdoor photographing. The light source device  20  can be controlled to achieve various light patterns by adjusting the position and angle of the light source device  20  via the adjustment supporting device  10 , and by providing power to actuate the light control driver  30  via the portable power device  40 . Therefore, the present invention is easily applied to various complicated and varied photographing or imaging environments. In addition, the light control driver  30  and the portable power device  40  are arranged at the adjustment supporting device  10  side-by-side, so as to reduce a thickness of the set light fixture. In addition, it is worth mentioning that when the light source device  20 , the light control driver  30  and the portable power device  40  are arranged at the adjustment supporting device  10 , the connection may be locked by a plurality of connection devices, wherein the connection device can be implemented as a fastening mechanism in which a screw fitting with a screw hole or a nut is employed, but this is not a limitation of the present invention. In other words, it can also be implemented as a hook engaging with a hook slot or other engaging manners. 
     According to this preferred embodiment of the invention, the adjustment supporting device  10  comprises a handle  11 , a holder  12  and an adjustment screw  13 . The light source device  20  is arranged at the handle  11 . The handle  11  is rotatably mounted at the holder  12 . Therefore, the light source device  20  can be rotated relative to the holder  12  to adjust the illumination angle. The adjustment screw  13  is connected to the handle  11  and the holder  12  for fixing the handle  11  after the handle  11  is adjusted to define an angle relative to the holder  12 . In other words, when the light source device  20  is initially arranged at the handle  11 , the handle  11  and the holder  12  are in a released state. And then after the handle  11  and the holder  12  are adjusted to define a certain angle, the handle  11  is fixed to the holder  12  at the certain angle by the adjustment screw  13 , so that the angle of the light source device  20  relative to the holder  12  is determined at the same time. 
     According to this preferred embodiment of the present invention, the handle  11  of the adjustment supporting device  10  comprises a supporting portion  111 , a first adjusting portion  112 , at least two clamping members  113  and at least two fixing members  114 . The light source device  20  is arranged at the supporting portion  111 , and is supported by the clamping elements  113  which are respectively fixed to the supporting portion  111  by the corresponding fixing members  114 . The first adjusting portion  112  is provided with a first angle adjustment gear  1121 . The first adjusting portion  112  is extended from a partial portion of the supporting portion  111 , and has an arc shape at a distal end. In addition, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a notch is formed corresponding to a non-extending portion of the supporting portion  111 , and it may be a 90-degree notch. That is to say, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The first angle adjustment gear  1121  is formed at the first adjusting portion  112 . Further, the first angle adjustment gear  1121  is formed at the vertical plane of the first adjusting portion  112 . 
     According to the preferred embodiment of the invention, the holder  12  of the adjustment supporting device  10  comprises a body portion  121 , a second adjusting portion  122  and a locking member  123 . The body portion  121  has a hollow structure. That is to say, the body portion  121  of the holder  12  has a hollow groove. In addition, the body portion  121  of the holder  12  further has a wall hole  1211  penetrating through a side wall around the hollow groove, such that the holder  12  of the adjustment supporting device  10  can be locked with a rod-shaped end with a certain thickness in the hollow groove so as to arrange the holder  12  at an article having the rod-shaped end. In other words, when the hollow groove of the body portion  121  of the holder  12  is engaged with the rod-shaped end of the article, the holder  12  is fixed to the article having the rod-shaped end by the locking member  123  passing through the wall hole  1211 , so that the height of the handle  11  connected to the holder  12  can be further adjusted, that is to say, the height of the light source device  20  can be adjusted. It is worth mentioning that the article having the rod-shaped end can be implemented as a tripod, so that the set light fixture of the present invention can be arranged anywhere to adjust the height and angle according to the requirements of the shooting circumstances, so as to provide desired illumination and light patterns. Further, the second adjusting portion  122  partially extending from the body portion  121  of the holder  12  has an arc shape at the distal end thereof. In addition, when the second adjusting portion  122  is partially extended from the body portion  121 , a notch, which may be a 90-degree notch, is formed corresponding to the non-extending portion. That is to say, when the second adjusting portion  122  is partially extended from the body portion  121 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch has an angel of 90 degrees, the plane is a horizontal plane. A second angle adjustment gear  1221  is formed at the second adjusting portion  122 . Further, the second angle adjustment gear  1221  is formed at the vertical surface of the second adjusting portion  122 . It can be understood that when the handle  11  is arranged at the holder  12 , the first adjusting portion  112  is located at the notch of the second adjusting portion  122 , and the second adjusting portion  122  is located at the notch of the first adjusting portion  112 , and the first angle adjustment gear  1121  will be engaged with the second angle adjustment gear  1221  for adjusting the relative angle between the handle  11  and the holder  12 , and the relative angle is locked and fixed by the adjustment screw  13 . Therefore, it can be understood that the first adjusting portion  112  of the handle  11  has a first adjusting hole  1122  located at a center of the first angle adjustment gear  1121 . The second adjusting portion  122  of the holder  12  has a second adjusting hole  1222  located at a center of the second angle adjustment gear  1221 , when the first angle adjustment gear  1121  is engaged with the second angle adjustment gear  1221 , the first adjusting hole  1122  is aligned with the second adjusting hole  1222 , such that the adjustment screw  13  will penetrate the first adjusting hole  1122  and the second adjusting hole  1222  to lock and fix the relative angle between the handle  11  and the holder  12 . 
     According to this preferred embodiment of the present invention, the supporting portion  111  of the handle  11  has at least two through holes  1111 , and a plurality of grooves  1112 , in which the two through holes  1111  are respectively located at the head and tail ends of the supporting portion  111 . The plurality of grooves  1112  are recessed from the surface of the supporting portion  111 , and are located at an opposite side of the light source device  20 . That is to say, when the light source device  20  is arranged at the supporting portion  111  of the handle  11 , the clamping members  113  support the light source device  20  at the head and the tail ends of the light source device  20 , and the fixing members  114  pass through the corresponding clamping member  113  and the two through holes  1111  of the supporting portion  111  to fix the light source device  20  to the supporting portion  111  of the handle  11 . At this time, the plurality of grooves  1112  is formed at the supporting portion  111  and is located at the opposite side of the light source device  20  for dissipating heat and reducing the weight of the handle  11 . In other words, the plurality of grooves  1112  forms a heat dissipation structure of the light source device  20 . Those skilled in the art will appreciate that the grooves  1112  facilitates heat dissipation and reduces mass, but does not constitute a limitation of the handle  11 , the handle  11  having a plane structure does not affect the implementation of the present invention. 
     According to this preferred embodiment of the present invention, the set light fixture further comprises at least one engaging element arranged between the adjustment supporting device  10  and the light source device  20  for quick disassembly and installation of the light source device  20  to the adjustment supporting device  10 . The engaging elements are embodied as Velcro members, which are respectively arranged at a back surface of the light source device  20  and the supporting portion  111  of the handle  11  of the adjustment supporting device  10 , such that the light source device  20  can be simply attached to or detached from the handle  11  by the attachment or separation of the Velcro members. 
     According to this preferred embodiment of the present invention, the light source device  20  comprises a bottom plate  21 , a plurality of LED illumination members  22 , a protective film  23 , and a plurality of wrap corners  24 . The bottom plate  21  is made of a flexible material, or can also be made of a fabric material. The plurality of the LED illumination members  22  are arranged at the bottom plate  21  in an array arrangement. The protective film  23  is covered on the plurality of the LED illumination members  22  by a vacuum molding process to provide a waterproof and moisture-proof protection function. The uniformity of protective film  23  at the bottom plate  21  is not affected while the bottom plate  21  is bended because of the vacuum molding process, thereby keeping the uniformity of the light emitted by the LED illumination members  22  from being affected by the bending of the bottom plate  21 . The plurality of the wrap corners  24  are respectively arranged at respective corner positions of the bottom plate  21  to provide protection for the bottom plate  21 . In addition, as shown in  FIG. 10 , the wrap corners  24  can also be coupled with joining members to join the bottom plate  21  with a bottom plate  21  of another light source devices  20  to provide a larger illumination range. In addition, it is worth mentioning that the light source device  20  can be implemented as a monochrome LED flexible light board. Therefore, the wrap corners  24  are capable of joining a plurality of the monochrome LED flexible light boards together through the joining members. Further, each of the wrap corners  24  has an engaging hole. And each of the joining members has an engaging units corresponding to the engaging holes to engage the adjacent monochrome LED flexible light boards together. Each of the engaging units may be implemented as a protruding hook device to be directly engaged with the engaging holes or the connection between the adjacent monochrome LED flexible light boards can be embodied as a fastening manner by engagement between a screw and a screw hole or engagement between a screw and a nut, which is not a limitation of the present invention. 
     According to this preferred embodiment of the present invention, the light source device  20  further comprises a power signal line  25  and a wire fixer  26  which fixes the power signal line  25  to the bottom plate  21  of the light source device  20 . In addition, the light source device  20  may further comprise a plurality of supporting rods arranged around the bottom plate  21  to increase the strength of the monochrome LED flexible light board, and at the same time, when the monochrome LED flexible light board, that is the light source device  20 , is arranged at the supporting portion  111  of the handle  11 , the clamping elements  113 , which provide support to the supporting rods, are fixed by the fixing members  114  to increase the stability of the light source device  20  arranged at the handle  11 . In addition, the light source device  20  further comprises a plurality of supporting frames  201  arranged between the two wrap corners  24  respectively. According to the embodiment, for one of light source device  20 , the number of the supporting frames  201  may be 4, and the number of the wrap corners  24  is also  4 . Therefore, the one monochrome LED flexible light board has four supporting frames  201  and four wrap corners  24 . The supporting frames  201  are arranged for supporting the bottom plate  21 . Further, each of the support frames  201  is a gooseneck hose, like a metal hose of a microphone, for configuration. 
     According to this preferred embodiment of the invention, the portable power device  40  comprises a battery holder and at least a battery unit. The battery holder is arranged at the supporting portion  111  of the handle  11  of the adjustment supporting device  10 . The battery unit is detachably mounted to the battery holder. It is worth mentioning that when applied to different cameras, the battery holders can also be of different types to be adapted to battery power sources of different types of cameras, such as a battery power source of a U-type camera, a battery power source of a V-type camera, and a battery power source of a V-type camera without an power interface, as shown in  FIG. 24  to  FIG. 26 . 
     In addition, the present invention also provides a practical method for the set light fixture, comprising the following steps: 
     (a) detachably mounting the light source device  20  to the adjustment supporting device  10 ; 
     (b) changing the angle of the light source device  20  by adjusting the handle  11 , the holder  12  and the adjustment screw  13 ; and 
     (c) electrically connecting the portable power device  40  to the light control driver  30  for operating the light source device  20 . 
     According to the step (a), the light source device  20  can be embodied as a monochromatic LED flexible light board. 
     According to the step (a), the light source device  20  comprises a bottom plate  21  made of a flexible material. 
     According to the step (a), the light source device  20  comprises a plurality of LED illumination members  22  which is arranged at the bottom plate  21  in an array arrangement. 
     According to the step (a), the light source device  20  comprises a protective film  23  which is covered on the plurality of the LED illumination members  22  by a vacuum molding process to provide the waterproof and moisture-proof protection function. 
     According to the step (a), the light source device  20  comprises a plurality of wrap corners  24  respectively arranged at respective corner positions of the bottom plate  21  to protect the light source device  20  and or joining the plurality of light source devices  20 . 
     According to step (a), the light source device  20  comprises at least a joining member that cooperates with the wrap corner  24  to achieve a combination of the light source devices  20 , so as to provide a relatively large illumination range. 
     According to the step (a), at least an engaging element is arranged between the adjustment supporting device  10  and the light source device  20  for quick disassembly and installation of the light source device  20  to the adjustment supporting device  10 . 
     According to the step (a), the engaging elements are implemented as Velcro members, which are respectively arranged at the back surface of the light source device  20  and the supporting portion  111  of the handle  11  of the adjustment supporting device  10 , such that the light source device  20  can be simply attached to or detached from the handle  11  by the attachment or separation of the Velcro members. 
     According to the step (b), the first adjusting portion  112  of the handle  11  is provided with a first angle adjustment gear  1121 , and the second adjusting portion  122  of the holder  12  is provided with a second angle adjustment gear  1221 , wherein the first angle adjustment gear  1121  is engaged with the second angle adjustment gear  1221  and is locked or released by the adjustment screw  13 . 
     According to the step (b), when the first angle adjustment gear  1121  and the second angle adjustment gear  1221  are not tightly engaged, the handle  11  can be relatively rotatable relative to the holder  12  to change the angle of the light source device  20  relative to the support device  10 , and is locked by the adjustment screw  13  after adjustment. 
     Referring to the  FIG. 7  to  FIG. 9B , a set light fixture according to a second preferred embodiment of the present invention is illustrated, the set light fixture can be conveniently applicable to various occasions requiring illumination or special light sources, particularly suitable for use in various photographing or imaging environments. 
     In accordance with this preferred embodiment of the present invention, the set light fixture comprises an adjustment supporting device  10 , at least a light source device  20 , a light control driver  30 , and a portable power device  40 . The adjustment supporting device  10  can support at least one of the light source devices  20  in a manner that an angle and a height are adjustable. Further, the light source device  20  is detachably mounted at the adjustment supporting device  10 . The light control driver  30  is disposed at the adjustment supporting device  10  and electrically connected to the light source device  20 , so as to control various functions of the light source device  20 . The portable power device  40  is arranged at the adjustment supporting device  10  and electrically connected to the light control driver  30  to provide power to the light source device  20 . In this way, different types of the light source device  20  can be mounted at the adjustment supporting device  10  according to different needs in indoor or outdoor photographing. The light source device  20  can be controlled to achieve various light patterns by adjusting the position and angle of the light source device  20  via the adjustment supporting device  10 , and providing power to the light control driver  30  via the portable power device  40 . Therefore, the present invention is easily applied to various complicated and varied photographing or imaging environments. In addition, the light source device  20  in the first embodiment of the present invention is implemented as a monochrome LED flexible light board, and the light source device  20  of the second embodiment of the present invention is implemented as a dichromatic LED flexible light board, in which the light control driver  30  of the second embodiment is relatively large in size, so the portable power device  40  will be arranged at the light control driver  30 . In addition, it is worth mentioning that when the light source device  20 , the light control driver  30  and the portable power device  40  are arranged at the adjustment supporting device  10 , the connection may be locked by a plurality of connection devices, wherein the connection device can be implemented as a fastening mechanism in which a screw and a screw hole or the nut are fitted, but this is not a limitation of the present invention. In other words, it can also be implemented as other engagement manners such as an engagement of a hook and a slot. 
     According to this preferred embodiment of the invention, the adjustment supporting device  10  comprises a handle  11 , a holder  12  and an adjustment screw  13 . 
     The light source device  20  is arranged at the handle  11 . The handle  11  is rotatably mounted at the holder  12 . Therefore, the light source device  20  can be rotated relative to the holder  12  to adjust the angle. The adjustment screw  13  is connected to the handle  11  and the holder  12  for fixing the handle  11  after the handle  11  is adjusted to define an angle relative to the holder  12 . In other words, when the light source device  20  is initially arranged at the handle  11 , the handle  11  and the holder  12  are in a released state. And then after the handle  11  and the holder  12  are adjusted to define at a certain angle, the handle  11  is fixed to the holder  12  at the certain angle by the adjustment screw  13 . So, the angle of the light source device  20  relative to the holder  12  is determined at the same time. 
     According to this preferred embodiment of the present invention, the handle  11  comprises a supporting portion  111 , a first adjusting portion  112 , at least two clamping members  113  and at least two fixing members  114 . The light source device  20  is arranged at the supporting portion  111 , and supported by the clamping elements  113  which are respectively fixed to the supporting portion  111  by the fixing members  114 . The first adjusting portion  112  is provided with a first angle adjustment gear  1121 . The first adjusting portion  112  is partially extended from the supporting portion  111 , and has an arc shape at a distal end. In addition, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a notch, which may be a 90-degree notch, is formed corresponding to a non-extending portion. That is to say, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The first angle adjustment gear  1121  is formed at the first adjusting portion  112 . Further, the first angle adjustment gear  1121  is formed at the vertical plane of the first adjusting portion  112 , as is similar to  FIG. 6 . 
     According to this preferred embodiment of the invention, the holder  12  comprises a body portion  121 , a second adjusting portion  122  and a locking member  123 . The body portion  121  has a hollow structure. That is to say, the body portion  121  of the holder  12  has a hollow groove. In addition, the body portion  121  of the holder  12  further has a wall hole  1211  penetrating through a side wall of the hollow groove, such that the holder  12  of the adjustment supporting device  10  can lock with a rod-shaped end of a certain thickness in the hollow groove so as to mount the holder  12  at an article having the rod-shaped end. In other words, when the hollow groove of the body portion  121  of the holder  12  is engaged with the rod-shaped end of the article, the holder  12  is fixed to the article having the rod-shaped end by the locking member  123  passing through the wall hole  1211 , so that the height of the handle  11  connected to the holder  12  can be further adjusted, that is to say, the height of the light source device  20  can be adjusted. It is worth mentioning that the article having the rod-shaped end can be implemented as a tripod, so that the set light fixture of the present invention can be arranged anywhere to adjust the height and angle according to the requirements of the shooting circumstance to provide desired illumination and light patterns. Further, the second adjusting portion  122  is partially extended from the body portion  121  of the holder  12 , and has an arc shape at the distal end. In addition, when the second adjusting portion  122  is partially extended from the body portion  121 , a notch, which may be a 90-degree notch, is formed in the non-extending portion. That is to say, when the second adjusting portion  122  is partially extended from the body portion  121 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The second adjusting portion  122  is formed with a second angle adjustment gear  1221 . Further, the second angle adjustment gear  1221  is formed at the vertical surface of the second adjusting portion  122 . It can be understood that when the handle  11  is arranged at the holder  12 , the first adjusting portion  112  is located at the notch of the second adjusting portion  122 , and the second adjusting portion  122  is located at the notch of the first adjusting portion  112 , and the first angle adjustment gear  1121  will be engaged with the second angle adjustment gear  1221  for adjusting the relative angle of the handle  11  and the holder  12 , and is locked and fixed by the adjustment screw  13 . Therefore, it can be understood that the first adjusting portion  112  of the handle  11  has a first adjusting hole  1122  located at a center of the first angle adjustment gear  1121 . The second adjusting portion  122  of the holder  12  has a second adjusting hole  1222  located at a center of the second angle adjustment gear  1221 , in which when the first angle adjustment gear  1121  is engaged with the second angle adjusting the gear  1221 , the first adjusting hole  1122  is aligned with the second adjusting hole  1222 , such that the adjustment screw  13  will penetrate the first adjusting hole  1122  and the second adjusting hole  1222  to lock and fix the relative angle between the handle  11  and the holder  12 , as is similar to  FIG. 6 . 
     According to this preferred embodiment of the present invention, the supporting portion  111  of the handle  11  has at least two through holes  1111 , and a plurality of grooves  1112 , in which the two through holes  1111  are respectively located at the head and tail ends of the supporting portion  111 . The plurality of grooves  1112  is located at an opposite side of the light source device  20 . That is to say, when the light source device  20  is arranged at the supporting portion  111  of the handle  11 , the clamping members  113  support the light source device  20  at the head and the tail ends of the light source device  20 , and the fixing members  114  pass through the clamping members  113  and the two through holes  1111  of the supporting portion  111  to fix the light source device  20  to the supporting portion  111  of the handle  11 . At this time, the plurality of grooves  1112  are formed at the supporting portion  111  and are located at the opposite side of the light source device  20  for dissipating heat and reducing the weight of the handle  11 . In other words, the plurality of grooves  1112  forms a heat dissipation structure of the light source device  20 . Those skilled in the art will appreciate that the grooves  1112  facilitates heat dissipation and reduces mass, but does not constitute a limitation of the handle  11 , the handle may be arranged to have a plane structure that does not affect the implementation of the present invention. 
     According to this preferred embodiment of the present invention, the set light fixture further comprises at least one engaging element arranged between the adjustment supporting device  10  and the light source device  20  for quick disassembly and installation of the light source device  20  to the adjustment supporting device  10 . The engaging elements are implemented as Velcro members, which are respectively arranged at the back surface of the light source device  20  and the supporting portion  111  of the handle  11  of the adjustment supporting device  10 , such that the light source device  20  can be simply attached to or detached from the handle  11  by the attachment or separation of the Velcro members. 
     According to this preferred embodiment of the present invention, the light source device  20  comprises a bottom plate  21 , a plurality of LED illumination members  22 , a protective film  23 , and a plurality of wrap corners  24 . The bottom plate  21  is made of a flexible material, or can also be made of a fabric material. The plurality of the LED illumination members  22  are arranged at the bottom plate  21  in an array arrangement. The protective film  23  is covered on the plurality of the LED illumination members  22  by a vacuum molding process to provide a waterproof and moisture-proof protection function. The uniformity of protective film  23  at the bottom plate  21  is not affected while the bottom plate  21  is bended because of the vacuum molding process, thereby keeping the uniformity of the light emitted by the LED illumination members  22  from being affected by the bending of the bottom plate  21 . The plurality of the wrap corners  24  are respectively arranged at respective corner positions of the bottom plate  21  to provide protection for the bottom plate  21 . In addition, each of the wrap corners  24  can also be joined with a joining member to join the bottom plate  21  with a bottom plate  21  of another light source devices  20  to provide a larger illumination range. In addition, it is worth mentioning that the light source device  20  can be implemented as a dichromatic LED flexible light board. Therefore, the wrap corners  24  are capable of joining a plurality of the dichromatic LED flexible lamp boards together through the joining members. Further, the wrap corners  24  have a plurality of engaging holes. And the joining members have a plurality of engaging units corresponding to the engaging holes to engage the adjacent dichromatic LED flexible lamp panels together. As is shown as  FIG. 10 , Each of the engaging units may be implemented as a protruding hook device to be directly engaged with the engaging hole or the engagement manner between the adjacent dichromatic LED flexible lamp panels can be embodied as a fastening manner of a screw engaging with a screw hole or a nut, which is not a limitation of the present invention 
     According to the preferred embodiment of the present invention, the light source device  20  further comprises a power signal line  25  and a wire fixer  26 . The wire fixer  26  fixes the power signal line  25  to the bottom plate  21  of the light source device  20 . In addition, the light source device  20  further comprises a plurality of supporting rods arranged around the bottom plate  21  to increase the strength of the dichromatic LED flexible light board, and at the same time, when the dichromatic LED flexible light board, that is the light source device  20  is arranged at the supporting portion  111  of the handle  11 , the clamping elements  113 , which provide support to the supporting rod, are respectively fixed by the fixing members  114  to increase the stability of the light source device  20  arranged at the handle  11 . In addition, the light source device  20  further comprises a plurality of supporting frames  201  respectively arranged between the two wrap corners  24 . According to the embodiment, for one of light source device  20 , the number of the supporting frames  201  may be 4, and the number of the wrap corners  24  is also 4. Therefore, the one dichromatic LED flexible light board has four of the supporting frames  201  and four of the wrap corners  24 . The supporting frames  201  are for supporting the bottom plate  21 . Further, each of the supporting frame  201  can be a gooseneck hose, like a metal hose of a microphone, for configuration. 
     In accordance with the preferred embodiment of the present invention, the light control driver  30  comprises a driver body  31 , at least an adjustment member  32  and a protective cover  33 . The adjustment member  32  is arranged at the driver body  31 , and is protrudedly arranged at an edge of the driver body  31  for easy operation, but is easily damaged by the collision during carrying. Therefore, the protective cover  33  with a convex structure is provided to cooperate with the adjusting member  32  to protect it. In addition, the adjustment member  32  can be implemented as at least one knob or at least one switch, such that the protective cover  33  having a convex structure couples with the knob or the switch to protect the knob or the switch. Further, the protective cover  33  has a heat dissipation structure designed at the same time. 
     According to this preferred embodiment of the invention, the portable power device  40  comprises a battery holder and at least a battery unit. The battery holder is arranged at the supporting portion  111  of the handle  11  of the adjustment supporting device  10 . The battery unit is detachably mounted to the battery holder. It is worth mentioning that when applied to different cameras, the battery holders can also be of different types to be adapted to battery power sources of different types of cameras, such as the battery power source of the U-type camera, the battery power source of the V-type camera, and the battery power source of V-type camera without the power interface. That is to say, the present invention provides three types of battery holders for replacement in accordance with existing battery models to increase the utility of the kit of the present invention, as shown in  FIG. 24  to  FIG. 26 . 
     In addition, the present invention also provides a practical method for the set light fixture, comprising the following steps: 
     (a) detachably mounting the light source device  20  to the adjustment supporting device  10 ; 
     (b) changing the angle of the light source device  20  by adjusting the handle  11 , the holder  12  and the adjustment screw  13 ; and 
     (c) electrically connecting the portable power device  40  to the light control driver  30  to operate the light source device  20 . 
     According to step (a), the light source device  20  is embodied as a dichromatic LED flexible light board. 
     According to the step (a), the light source device  20  comprises a bottom plate  21  made of a flexible material. 
     According to the step (a), the light source device  20  comprises a plurality of LED illumination members  22  which are arranged at the bottom plate  21  in an array arrangement. 
     According to the step (a), the light source device  20  comprises a protective film  23  which is covered on the plurality of the LED illumination members  22  by a vacuum molding process to provide the waterproof and moisture-proof protection function. 
     According to the step (a), the light source device  20  comprises a plurality of wrap corners  24  respectively arranged at respective corner positions of the bottom plate  21  to protect the light source device  20  and for joining the plurality of light source devices  20 . 
     According to step (a), the light source device  20  comprises at least a splicing member that cooperates with the wrap corner  24  to provide a combination of the other of the light source devices  20 , which can provide the larger illumination range. 
     According to the step (a), at least an engaging element is arranged between the adjustment supporting device  10  and the light source device  20  for quick disassembly and installation of the light source device  20  to the adjustment supporting device  10 . 
     According to the step (a), the engaging elements are implemented as Velcro members, which are respectively arranged at the back surface of the light source device  20  and the supporting portion  111  of the handle  11  of the adjustment supporting device  10 , such that the light source device  20  can be simply attached to or detached from the handle  11  by the attachment or separation of the Velcro members. 
     According to the step (b), the first adjusting portion  112  of the handle  11  comprises a first angle adjustment gear  1121 , and the second adjusting portion  122  of the holder  12  comprises a second angle adjustment gear  1221 , wherein the first angle adjustment gear  1121  is engaged with the second angle adjustment gear  1221  which is locked or released by the adjustment screw  13 . 
     According to the step (b), when the first angle adjustment gear  1121  and the second angle adjustment gear  1221  are not tightly engaged, the handle  11  can be relatively rotatable relative to the holder  12  to change the angle of the light source device  20  relative to the support device  10 , and is locked by the adjustment screw  13  after adjustment. 
     Referring to  FIG. 11  to  FIG. 16 , a set light fixture according to a third preferred embodiment of the present invention is illustrated, and the set light fixture is conveniently applicable to various occasions requiring illumination or special light sources. The set light fixture comprises an adjustment supporting device  10 , at least one light source device  20 , a light control driver  30 , a portable power device  40 , and an adapter device  50 . The adapter device  50  is arranged between the adjustment supporting device  10  and the light source device  20 . The adjustment supporting device  10  can support at least one of the light source devices  20  in a manner that an angle and a height of the light source devices  20  is adjustable. Further, the light source device  20  is detachably mounted at the adapter device  50 , wherein the adapter device  50  is fixed to the adjustment supporting device  10 . The light control driver  30  is arranged at the adjustment supporting device  10  and electrically connected to the light source device  20  so as to control various functions of the light source device  20 . The portable power device  40  is arranged at the light control driver  30 , and electrically connected to the light control driver  30  to provide power to the light source device  20 . In this way, regardless of whether the photographing or imaging is taken in indoor or outdoor environments, different types of the light source devices  20  can be arranged at the adjustment supporting device  10  through the adapter device  50  according to different needs. And the position and angle of the light source device  20  can be adjusted via the adjustment supporting device  10 , and the power can be provided to the light control driver  30  through the portable power device  40  to control the light source device  20  to implement various light patterns. Therefore, the present invention is easily applied to various complicated and varied photographing or imaging environments. In addition, it is worth mentioning that the assembly of the adjustment supporting device  10 , the light source device  20 , the light control driver  30 , the portable power device  40  and the adapter device  50  may be locked by a plurality of connection devices, wherein each of the connection devices can be implemented as a fastening mechanism in which a screw engaging with a screw hole or a nut is employed, but this is not a limitation of the present invention. In other words, it can also be implemented as other engagement such as an engagement between a hook and a slot, and an engagement between a chute and a flange. 
     According to this preferred embodiment of the invention, the light source device  20  can rotate relative to the adjustment supporting device  10  by the adapter device  50  to adjust a projection area of the light source device  20 . The adapter device  50  comprises an adapter plate  51 , a rotation device  52 , and a plurality of magnetic units  54 . The adapter plate  51  has a plurality of common threaded holes  511 , such as holes of M6, ¼, ⅜, and elongated holes, for locking the light source device  20  to the adapter plate  51  or quickly dismounting the light source device  20  from the adapter plate  51 . Furthermore, the adapter plate  51  has a plurality of the threaded holes  511  which is in different specifications to accommodate various mounting positions and external connectors. Further, the rotation device  52  is arranged in the adapter plate  51  for rotatably connecting the adapter plate  51  and the light source device  20 . The plurality of magnetic units  54  are embedded in a side of the adapter plate  51  which is adjacent to the adjustment supporting device  10 , such that when the adapter device  50  is disengaged from the adjustment supporting device  10 , the light source device  20  can be attracted to any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . In addition, while the adapter plate  51  is covered with a protective film in a region which is embedded with the magnetic units  54  in order to protect the magnetic units  54 , when the light source device  20  is detached from the adjustment supporting device  10 , since the light source device  20  is arranged on the adapter plate  51  of the adapter device  50 , the light source device  20  arranged on the adapter device  50  can be further arranged at any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . In addition, the rotation device  52  comprises a pressing plate  521 , a screw  522 , a nut  523 , and a rotation member  524 , wherein the screw  522  is fixed to the adapter plate  51  via the pressing plate  521 . And the rotation member  524  passes through the screw  522  and is retained via the nut  523  and is coupled to the light source device  20 . That is to say, the structural relationship between the light source device  20  and the rotation member  524  is fixed, but when the rotation member  524  is rotated relative to the adapter plate  51  with the screw  522  as an axle, the light source device  20  is simultaneously rotated to adjust an illumination mode of the light source. 
     According to this preferred embodiment of the invention, the adjustment supporting device  10  comprises a handle  11 , a holder  12  and an adjustment screw  13 . The adapter plate  51  of the adapter device  50  is arranged at the handle  11 . The handle  11  is rotatably mounted to the holder  12 . Therefore, when the light source device  20  is mounted to the handle  11  via the adapter device  50 , it can be rotated relative to the holder  12  to adjust the angle. The adjustment screw  13  is coupled to the handle  11  and the holder  12  for fixing the handle  11  after the handle  11  is adjusted with an angle relative to the holder  12 . That is to say, when the light source device  20  is initially arranged at the handle  11  through the adapter device  50 , the handle  11  and the holder  12  can be in a released state. And then after the handle  11  and the holder  12  are adjusted to define a predetermined angle, the handle  11  is fixed to the holder  12  at the certain angle by the adjustment screw  13 . So, the angle of the light source device  20  relative to the holder  12  is determined at the same time. 
     According to this preferred embodiment of the present invention, the handle  11  comprises a supporting portion  111 , a first adjusting portion  112  and at least two fixing members  114 . The light source device  20  is arranged at the supporting portion  111  by the adapter plate  51  of the adapter device  50 , and is fixed by the fixing members  114 . The first adjusting portion  112  is provided with a first angle adjustment gear  1121 . The first adjusting portion  112  is partially extended from the supporting portion  111 , and has an arc shape at a distal end. In addition, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a notch, which may be a 90-degree notch, is formed corresponding to a non-extending portion. That is to say, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The first angle adjustment gear  1121  is formed at the first adjusting portion  112 . Further, the first angle adjustment gear  1121  is formed at the vertical plane of the first adjusting portion  112 , as is shown in  FIG. 6 . 
     According to this preferred embodiment of the invention, the holder  12  comprises a body portion  121 , a second adjusting portion  122  and a locking member  123 . The body portion  121  has a hollow structure. That is to say, the body portion  121  has a hollow groove. In addition, the body portion  121  further has a wall hole  1211  penetrating through a side wall around the hollow groove, such that the holder  12  can be locked with a rod-shaped end with a predetermined thickness in the hollow groove so as to arrange the holder  12  at an article having the rod-shaped end. In other words, when the hollow groove of the body portion  121  of the holder  12  is engaged with the rod-shaped end of the article, the holder  12  is fixed to the article having the rod-shaped end by the locking member  123  passing through the wall hole  1211 . So that the height of the handle  11  connected to the holder  12  can be further adjusted, that is to say, the height of the light source device  20  can be adjusted. It is worth mentioning that the article having the rod-shaped end can be implemented as a tripod, so that the set light fixture of the present invention can be arranged anywhere to adjust the height and angle according to the requirements of the shooting occasions to provide illumination and light patterns. Further, the second adjusting portion  122  is partially extended from the body portion  121  of the holder  12 , and has an arc shape at the distal end. In addition, when the second adjusting portion  122  is partially extended from the body portion  121 , a notch, which may be a 90-degree notch, is formed in the non-extending portion. That is to say, when the second adjusting portion  122  is partially extended from the body portion  121 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The second adjusting portion  122  is provided with a second angle adjustment gear  1221 . Further, the second angle adjustment gear  1221  is formed at the vertical surface of the second adjusting portion  122 . It can be understood that when the handle  11  is arranged at the holder  12 , the first adjusting portion  112  is located at the notch of the second adjusting portion  122 , and the second adjusting portion  122  is located at the notch of the first adjusting portion  112 , and the first angle adjustment gear  1121  will be engaged with the second angle adjustment gear  1221  for adjusting the relative angle between the handle  11  and the holder  12 , and is locked and fixed by the adjustment screw  13 . Therefore, it can be understood that the first adjusting portion  112  of the handle  11  has a first adjusting hole  1122  located at the center of the first angle adjustment gear  1121 . The second adjusting portion  122  of the holder  12  has a second adjusting hole  1222  located at the center of the second angle adjustment gear  1221 , in which when the first angle adjustment gear  1121  is engaged with the second angle adjusting the gear  1221 , the first adjusting hole  1122  is aligned with the second adjusting hole  1222 , such that the adjustment screw  13  will penetrate the first adjusting hole  1122  and the second adjusting hole  1222  to lock and fix the relative angle between the handle  11  and the holder  12 , as is shown in  FIG. 6 . 
     According to this preferred embodiment of the present invention, the supporting portion  111  of the handle  11  has at least two through holes  1111 , and a plurality of grooves  1112 , in which the two through holes  1111  are respectively located at the head and tail ends of the supporting portion  111 . The plurality of grooves  1112  is arranged at an opposite side of the light source device  20 . That is to say, the fixing members  114  passing through the two through holes  1111  of the supporting portion  111  to arrange the adapter plate  51  of the adapter device  50  at the supporting portion  111  of the handle  11 . At this time, the plurality of grooves  1112  is formed at the supporting portion  111  and is provided at the opposite side of the light source device  20  for dissipating heat and reducing the weight of the handle  11 . In other words, the plurality of grooves  1112  form a heat dissipation structure of the light source device  20  and the light control driver  30 . Those skilled in the art will appreciate that the grooves  1112  facilitates heat dissipation and reduces mass, but does not constitute a limitation of the handle  11 , the handle may be arranged to have a plane structure that does not affect the implementation of the present invention. 
     According to this preferred embodiment of the present invention, the light source device  20  is implemented as an LED box lamp which comprises a bottom case  21 A, a plurality of LED illumination members  22 , a light filter  27 , and two visors  28 . The plurality of LED illumination members  22  is arranged at the bottom case  21 A, and the light filter  27  covers the upper portion thereof. The visors  28  are arranged at both sides of the LED lamp  22  and the light filter  27  for adjusting the angle and range of the light. The bottom case  21 A, which is formed with a receiving groove having an opening, are arranged with a plurality of heat dissipation fins at a side thereof, and two sliding grooves are provided near the opening of the receiving groove for receiving the light filter  27 . And when the two sides of the light filter  27  are respectively arranged at the sliding groove, a locker member is provided for fixing the light filter  27  to the bottom case  21 A. In addition, the light source device  20  further comprises two sets of movable members  29  for respectively mounting the two visors  28  to the bottom case  21 A. Each set of the movable members  29  comprises a rotation shaft  291  and a plurality of rotation fixing members  292 , wherein the visors  28  are respectively fixed to the rotation fixing members  292 , and the rotation fixing members  292  are respectively movably mounted on the rotation shafts  291 , such that the visors  28  will be rotated relative to the bottom case  21 A at the rotation shaft  29  with the help of the rotation fixing member  292  to adjust the angle and range of the light. In addition, each of the visors  28  further comprises a plurality of clamps  281  arranged at an edge of the visor  28  for holding a light filter fabric. The light source device  20  further comprises a power signal line  25  for connecting the light source device  20  with the light control driver  30 . 
     In accordance with this preferred embodiment of the present invention, the light control driver  30  comprises a driver body, at least an adjusting component and a protective cover. The adjusting component is arranged at the driver body, which is arranged at an edge of the driver body and is protruded therefrom for convenient operation. But it is easily damaged by collision during carrying, thus the protective cover is provided with a protrusion which is mated with the adjusting component to protect it. Additionally, the adjusting element can be implemented as at least one knob or at least one switch, such that the protective cover with the protrusion is mated with the knob or the switch to protect the knob or the switch. 
     According to this preferred embodiment of the invention, the portable power device  40  comprises a battery holder and at least a battery unit. The battery holder is arranged at the light control driver  30 . The battery unit is detachably mounted to the battery holder. It is worth mentioning that when applied to different cameras, the battery holders can also be of different types to fit battery power sources of different types of cameras, such as a battery power source of a U-type camera, a battery power source of a V-type camera, and a battery power source for a V-type camera without a power interface. That is to say, the present invention provides three types of battery holders for replacement in accordance with existing battery models to increase the utility of the kit of the present invention, as shown in  FIG. 24  to  FIG. 26 . 
     The invention also provides an application method of the set light fixture, comprising steps of: 
     (A) arranging the light source device  20  at the adapter device  50 ; 
     (B) detachably mounting the adapter device  50  to the adjustment supporting device  10 ; 
     (C) changing the angle of the light source device  20  by adjusting the handle  11 , the holder  12  and the adjustment screw  13 ; and 
     (D) electrically connecting the portable power device  40  to the light source control driver  30  to operate the light source device  20 . 
     According to the step (A), wherein the adapter device  50  comprises a plurality of the magnetic units  54 , such that the light source device  20  can be attached to any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . 
     According to step (A), the light source device  20  is embodied as an LED box lamp. 
     According to the step (A), the light source device  20  comprises two visors  28  each of which comprises a plurality of clamps  281  arranged at an edge thereof for holding the light filter fabric. 
     According to the step (A), the light source device  20  comprises two sets of the movable members  29  which movably mount the two visors  28  on both sides of the light source device  20  respectively. 
     According to the step (A), the light source device  20  further comprises the power signal line  25  for connecting the light source device  20  with the light control driver  30 . 
     According to the step (B), the adapter device comprises the adapter plate  51  having a plurality of common threaded holes  511 , such as holes of M6, ¼, ⅜, and elongated holes, etc., for quickly locking or dismounting the light source device  20  from the adapter plate  51 . 
     According to the step (B), the adapter device  50  comprises the rotation device  52  such that the light source device  20  can be rotatable relative to the adjustment supporting device  10 . 
     According to the step (C), the first adjusting portion  112  of the handle  11  is provided with the first angle adjustment gear  1121 , and the second adjusting portion  122  of the holder  12  is provided with the second angle adjustment gear  1221 , wherein the first angle adjustment gear  1121  is engaged with the second angle adjustment gear  1221  which is locked or released by the adjustment screw  13 . 
     According to the step (C), when the first angle adjustment gear  1121  and the second angle adjustment gear  1221  are not tightly engaged, the handle  11  can be relatively rotatable relative to the holder  12  to change the angle of the light source device  20  relative to the support device  10 , and is locked by the adjustment screw  13  after adjustment. 
     Referring to the  FIG. 17  to  FIG. 20 , a set light fixture according to a fourth preferred embodiment of the present invention is illustrated, and the set light fixture can be conveniently applicable to various occasions requiring illumination or special light sources, and to provide light sources of different focal lengths for use in each kind of photographing environments. 
     The set light fixture comprises an adjustment supporting device  10 , at least one light source device  20 , a light control driver  30 , a portable power device  40 , and an adapter device  50 . The adapter device  50  is arranged between the adjustment supporting device  10  and the light source device  20 . The adjustment supporting device  10  can support at least one of the light source devices  20  in such a manner that an angle and a height of the light source device  20  are adjustable. Further, the light source device  20  is detachably mounted at the adapter device  50 , wherein the adapter device  50  is fixed to the adjustment supporting device  10 . The light control driver  30  is arranged at the adjustment supporting device  10  and electrically connected to the light source device  20  so as to control various functions of the light source device  20 . The portable power device  40  is arranged at the light control driver  30 , and electrically connected to the light control driver  30  to provide power to the light source device  20 . In this way, regardless of indoor or outdoor photographing or imaging, different types of the light source devices  20  can be arranged at the adjustment supporting device  10  through the adapter device  50  according to different needs. And the position and angle of the light source device  20  can be adjusted via the adjustment supporting device  10 , and the power can be provided to the light control driver  30  through the portable power device  40  to control the light source device  20  to implement various light patterns. Therefore, the present invention is easily applied to various complicated and varied photographing or imaging environments. In addition, it is worth mentioning that the assembly of the adjustment supporting device  10 , the light source device  20 , the light control driver  30 , the portable power device  40  and the adapter device  50  may be locked by a plurality of connection devices, wherein the connection device can be implemented as a fastening mechanism in which a screw engaging with a screw hole or a nut is employed, but this is not a limitation of the present invention. In other words, it can also be implemented as other engagement such as an engagement between a a hook and a slot, and an engagement between a chute and a flanget. 
     According to this preferred embodiment of the invention, the adapter device  50  comprises an adapter plate  51 , a rotation device  52 , and a plurality of magnetic units  54 . The adapter plate  51  has a plurality of common threaded holes  511 , such as holes of M6, ¼, ⅜, and elongated holes, for locking the light source device  20  to the adapter plate  51  or dismounting the light source device  20  from the adapter plate  51  quickly. Furthermore, the adapter plate  51  has a plurality of the threaded holes  511  in different specifications to accommodate various mounting positions and external connectors. Further, the rotation device  52  is arranged in the adapter plate  51  for rotatably connecting the adapter plate  51  with the light source device  20 . The plurality of magnetic units  54  is embedded in a side of the adapter plate  51  adjacent to the adjustment supporting device  10 , such that when the adapter device  50  is disengaged from the adjustment supporting device  10 , the light source device  20  can be attracted to any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . In addition, while the adapter plate  51  is covered with a protective film in a region which is embedded with the magnetic units  54  in order to protect the magnetic unit  54 , when the light source device  20  is detached from the adjustment supporting device  10 , since the light source device  20  is still arranged at the adapter plate  51  of the adapter device  50 , the light source device  20  arranged on the adapter plate  51  can be further arranged at any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . In addition, the rotation device  52  comprises a pressing plate  521 , a screw  522 , a nut  523 , and a rotation member  524 , wherein the screw  522  is fixed to the adapter plate  51  via the pressing plate  521 . And the rotation member  524  passes through the screw  522  and is constrained via the nut  523  and is coupled to the light source device  20 . That is to say, the structural relationship between the light source device  20  and the rotation member  524  is fixed, but when the rotation member  524  is rotated relative to the adapter plate  51  with the screw  522  as an axle, the light source device  20  is simultaneously rotated to adjust an illumination mode of the light source. 
     According to this preferred embodiment of the invention, the adjustment supporting device  10  comprises a handle  11 , a holder  12  and an adjustment screw  13 . The adapter plate  51  of the adapter device  50  is arranged at the handle  11 . The handle  11  is rotatably mounted to the holder  12 . Therefore, when the light source device  20  is mounted to the handle  11  via the adapter device  50 , it can be rotated relative to the holder  12  to adjust the angle. The adjustment screw  13  is coupled to the handle  11  and the holder  12  for fixing the handle  11  after the handle  11  is adjusted with an angle relative to the holder  12 . That is to say, when the light source device  20  is initially arranged at the handle  11  through the adapter device  50 , the handle  11  and the holder  12  are in a released state. And then after the handle  11  and the holder  12  are adjusted to define a predetermined angle, the handle  11  is fixed to the holder  12  at the predetermined angle by the adjustment screw  13 . So, the angle of the light source device  20  relative to the holder  12  is determined at the same time. 
     According to this preferred embodiment of the present invention, the handle  11  comprises a supporting portion  111 , a first adjusting portion  112  and at least two fixing members  114 . The light source device  20  is arranged at the supporting portion  111  by the adapter plate  51  of the adapter device  50 , and is fixed by the fixing members  114 . The first adjusting portion  112  is provided with a first angle adjustment gear  1121 . The first adjusting portion  112  is partially extended from the supporting portion  111 , and has an arc shape at a distal end. In addition, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a notch, which may be a 90-degree notch, is formed at a non-extending portion. That is to say, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The first angle adjustment gear  1121  is formed at the first adjusting portion  112 . Further, the first angle adjustment gear  1121  is formed at the vertical plane of the first adjusting portion  112 , as is shown in  FIG. 6 . 
     According to the preferred embodiment of the invention, the holder  12  comprises a body portion  121 , a second adjusting portion  122  and a locking member  123 . The body portion  121  is a hollow structure. That is to say, the body portion  121  has a hollow groove. In addition, the body portion  121  further has a wall hole  1211  penetrating through a side wall around the hollow groove, such that the holder  12  can be locked with a rod-shaped end with a certain thickness in the hollow groove so as to arrange the holder  12  at an article having the rod-shaped end. In other words, when the hollow groove of the body portion  121  of the holder  12  is engaged with the rod-shaped end of the article, the holder  12  is fixed to the article having the rod-shaped end by the locking member  123  passing through the wall hole  1211 . So that the height of the handle  11  connected to the holder  12  can be further adjusted, that is to say, the height of the light source device  20  can be adjusted. It is worth mentioning that the article having the rod-shaped end can be implemented as a tripod, so that the set light fixture of the present invention can be arranged anywhere to adjust the height and angle according to the requirements of the shooting occasions to provide illumination and light patterns. Further, the second adjusting portion  122  is partially extended from the body portion  121  of the holder  12 , and has an arc shape at the distal end. In addition, when the second adjusting portion  122  is partially extended from the body portion  121 , a notch, which may be a 90-degree notch, is formed in a non-extending portion. That is to say, when the second adjusting portion  122  is partially extended from the body portion  121 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The second adjusting portion  122  is provided with a second angle adjustment gear  1221 . Further, the second angle adjustment gear  1221  is formed at the vertical surface of the second adjusting portion  122 . It can be understood that when the handle  11  is arranged at the holder  12 , the first adjusting portion  112  is located at the notch of the second adjusting portion  122 , and the second adjusting portion  122  is located at the notch of the first adjusting portion  112 , and the first angle adjustment gear  1121  will be engaged with the second angle adjustment gear  1221  for adjusting the relative angle of the handle  11  and the holder  12 , which is locked and fixed by the adjustment screw  13 . Therefore, it can be understood that the first adjusting portion  112  of the handle  11  has a first adjusting hole  1122  located at a center of the first angle adjustment gear  1121 . The second adjusting portion  122  of the holder  12  has a second adjusting hole  1222  located at a center of the second angle adjustment gear  1221 , in which when the first angle adjustment gear  1121  is engaged with the second angle adjusting the gear  1221 , the first adjusting hole  1122  is aligned with the second adjusting hole  1222 , such that the adjustment screw  13  will penetrate the first adjusting hole  1122  and the second adjusting hole  1222  to lock and fix the relative angle of the handle  11  and the holder  12 , as is shown in  FIG. 6 . 
     According to the preferred embodiment of the present invention, the supporting portion  111  of the handle  11  has at least two through holes  1111 , and a plurality of grooves  1112 , in which the two through holes  1111  are respectively located at the head and tail ends of the supporting portion  111 . The plurality of grooves  1112  is arranged at an opposite side of the light source device  20 . That is to say, the fixing members  114  passing through the two through holes  1111  of the supporting portion  111  is able to arrange the adapter plate  51  of the adapter device  50  at the supporting portion  111  of the handle  11 . At this time, the plurality of grooves  1112  is formed at the supporting portion  111  and is provided at the opposite side of the light source device  20  for dissipating heat and reducing the weight of the handle  11 . In other words, the plurality of grooves  1112  form a heat dissipation structure of the light source device  20  and the light control driver  30 . Those skilled in the art will appreciate that the grooves  1112  facilitates heat dissipation and reduces mass, but does not constitute a limitation of the handle  11 , the handle  11  also may be arranged to have a plane structure that does not affect the implementation of the present invention. 
     In accordance with this preferred embodiment of the present invention, the light source device  20  is implemented as an LED zoom lamp which comprises a heat sink casing  21 B and a plurality of LED zoom spotlights  22 B. The plurality of the LED zoom spotlights  22 B are arranged at the heat sink casing  21 B. The heat sink casing  21 B comprises an upper housing  211 B, a lower housing  212 B, a plurality of fans  213 B, a plurality of locking covers  214 B, a plurality of rubber rings  215 B, and a plurality of gaskets  216 B. The upper housing  211 B has a plurality of placing holes  2111 B for arranging the LED zoom spotlights  22 B. The lower housing  212 B has a plurality of sets of heat dissipation holes  2121 B, wherein when the upper housing  211 B is connected to the lower housing  212 B, each set of the heat dissipation holes  2121 B is aligned with the placing hole  2111 B for discharging the thermal energy generated by the LED zoom spotlights  22 B. The plurality of fans  213 B are respectively corresponding to each set of the heat dissipation holes  2121 B and are locked to the lower housing  212 B. Each of the locking covers  214 B is respectively locked to the placing hole  2111 B of the upper housing  211 B, and the gaskets  216 B and the rubber rings  215 B are respectively press-fitted to the placing holes  2111 B of the upper housing  211 B to achieve the function of waterproof and shockproof. Therefore, the plurality of LED zoom spotlights  22 B is respectively locked to the heat sink casing  21 B via a plurality of the locking covers  214 B, wherein a plurality of the fans  213 B is respectively corresponding to the LED zoom spotlights  22 B to discharge the heat energy generated by the LED zoom spotlights  22 B into the heat sink casing  21 B through the heat dissipation holes  2121 B. In addition, each of the LED zoom spotlights  22 B comprises a supporting base  221 B, at least an LED illumination member  222 B, a light cover  223 B, an adjusting ring  224 B, a ball head element  225 B, and a telescopic adjusting element  226 B, wherein the LED illumination member  222 B is arranged at the supporting base  221 B, wherein the lamp cover  223 B is arranged above the LED illumination member  222 B. The ball head element  225 B is arranged at the bottom of the supporting base  221 B, so that when connecting to the heat sink casing  21 B, the LED zoom spotlights  22 B can be rotatably adjusted at any angle within a certain range. The telescopic adjusting member  226 B, with the adjusting ring  224 B, is arranged at the supporting base  221 B. In particular, the telescopic adjusting element  226 B can be moved up and down relative to the supporting base  221 B to change the focal length of the LED illumination member  222 B. Also, the light cover  223 B can be implemented as a zoom lens, and is further implemented as a Fresnel zoom lens, of which the condensed light has a characteristic that an edge of a spot is blurred, that is to sat, a boundary is blurred, which is suitable for the photographic camera light. The light source device  20  further comprises a power signal line  25  for connecting the light source device  20  with the light control driver  30 . 
     In accordance with this preferred embodiment of the present invention, the light control driver  30  comprises a driver body, at least an adjusting component and a protective cover. The adjusting component is arranged at the driver body, which is arranged at an edge of the driver body and is protruded therefrom for convenient operation. But it is easily damaged by collision during carrying, thus the protective cover is provided with a protrusion which is mated with the adjusting component to protect it. Additionally, the adjusting element can be implemented as at least one knob or at least one switch, such that the protective cover with the protrusion is mated with the knob or the switch to protect the knob or the switch. 
     According to this preferred embodiment of the invention, the portable power device  40  comprises a battery holder and at least a battery unit. The battery holder is arranged at the light control driver  30 . The battery unit is detachably mounted to the battery holder. It is worth mentioning that when applied to different cameras, the battery holders can also be of different types to fit battery power sources of different types of cameras, such as a battery power source of a U-type camera, a battery power source of a V-type camera, and a battery power source for a V-type camera without a power interface. That is to say, the present invention provides three types of battery holders for replacement in accordance with existing battery models to increase the utility of the kit of the present invention, as shown in  FIG. 24  to  FIG. 26 . 
     The invention also provides an application method of the set light fixture, comprising steps of: 
     (A) arranging the light source device  20  at the adapter device  50 ; 
     (B) detachably mounting the adapter device  50  to the adjustment supporting device  10 ; 
     (C) changing the angle of the light source device  20  by adjusting the handle  11 , the holder  12  and the adjustment screw  13 ; and 
     (D) electrically connecting the portable power device  40  to the light control driver  30  to operate the light source device  20 . 
     According to the step (A), wherein the adapter device  50  comprises a plurality of magnetic units  54 , such that the light source device  20  can be attracted to any surface of the object that can be magnetically attracted by the magnetic units  54  of the adapter device  50 . 
     According to step (A), the light source device  20  is embodied as an LED zoom lamp. 
     According to the step (A), the light source device  20  comprises a heat sink casing  21 B and a plurality of LED zoom spotlights  22 B disposed in the heat sink casing  21 B. 
     According to the step (A), the heat sink casing  21 B comprises a plurality of fans  213 B facing towards the plurality of the LED zoom spot lamps  22 B for dissipating heat energy. 
     According to the step (A), the LED zoom spotlight  22 B comprises a ball head element  225 B disposed at the heat sink casing  21 B to rotatably adjust the LED zoom spotlight  22 B at an arbitrary angle within a predetermined range. 
     According to the step (A), the LED zoom spotlight  22 B comprises a supporting base  221 B and a telescopic adjusting element  226 B, wherein the telescopic adjusting element  226 B moves up and down relative to the supporting base  221 B to change a focal length of the LED illumination member  222 B. 
     According to step (A), wherein the LED zoom spotlight  22 B comprises a light cover  223 B which is implemented as a Fresnel zoom lens. 
     According to the step (A), the light source device  20  further comprises the power signal line  25  for connecting the light source device  20  with the light control driver  30 . 
     According to the step (B), the adapter device comprises the adapter plate  51  having a plurality of common threaded holes  511 , such as holes of M6, ¼, ⅜, and elongated holes, etc., for quickly locking or dismounting the light source device  20  from the adapter plate  51 . 
     According to the step (B), the adapter device  50  comprises the rotation device  52  such that the light source device  20  can be rotatable relative to the adjustment supporting device  10 . 
     According to the step (C), the first adjusting portion  112  of the handle  11  is provided with the first angle adjustment gear  1121 , and the second adjusting portion  122  of the holder  12  is provided with the second angle adjustment gear  1221 , wherein the first angle adjustment gear  1121  is engaged with the second angle adjustment gear  1221  which is locked or released by the adjustment screw  13 . 
     According to the step (C), when the first angle adjustment gear  1121  and the second angle adjustment gear  1221  are not tightly engaged, the handle  11  can be relatively rotatable relative to the holder  12  to change the angle of the light source device  20  relative to the support device  10 , and is locked by the adjustment screw  13  after adjustment. 
     Referring to  FIG. 22  to  FIG. 23 , a set light fixture according to a fifth preferred embodiment of the present invention is shown, the set light fixture can be conveniently applicable to various occasions requiring illumination or special light sources, and are particularly suitable for various photographing or imaging environments or needs, or the situation requiring a relatively large area illumination. 
     In accordance with this preferred embodiment of the present invention, the set light fixture comprises at least a light source device  20 , a light control driver  30 , and a portable power device  40 . The light control driver  30  is electrically connected to the light source device  20  and the portable power device  40  to provide power through the portable power device  40  to operate the light source device  20 . 
     Additionally, the set light fixture of the present invention further comprises an adjustment supporting device  10 , wherein the adjustment supporting device  10  can support at least one of the light source devices  20  with varying angles and heights. Further, the light source device  20  is detachably mounted to the adjustment supporting device  10 . The light control driver  30  is arranged at the adjustment supporting device  10  and electrically connected to the light source device  20 , thereby controlling various functions of the light source device  20 . The portable power device  40  is arranged at the adjustment supporting device  10  and electrically connected to the light control driver  30  to provide power to the light source device  20 . In this way, different types of the light source device  20  can be arranged at the adjustment supporting device  10  according to different needs in indoor or outdoor photographing or imaging occasions. And the position and angle of the light source device  20  can be adjusted by the adjustment supporting device  10 , as well as the power can be provided to the light control driver  30  via the portable power device  40 , thereby controlling the light source device  20  to achieve various light patterns. Therefore, the present invention is easily applied to various complicated and varied photographing or imaging environments. In addition, the light control driver  30  and the portable power device  40  are arranged at the adjustment supporting device  10  side-by-side to reduce the thickness of the set light fixture. In addition, it is worth mentioning that when the light control driver  30  and the portable power device  40  are arranged at the adjustment supporting device  10 , they can be locked by a plurality of connection devices, wherein the connection device can be implemented as the fastening mechanism of a screw engaging with a screw hole or a nut matched, but this is not a limitation of the invention, that is to say, it can also be implemented as other engagement such as an engagement between a hook and a slot. 
     According to this preferred embodiment of the invention, the light source device  20  is embodied as an LED flag board light. The source device  20  comprises a bottom plate  21 C, a plurality of LED illumination members  22 C, a protective film  23 C, and a plurality of attaching members  24 C. The bottom plate  21 C is made of a flexible material. It is worth mentioning that the LED flag board light adopts a waterproof fabric. The plurality of LED illumination members  22 C is arranged in an array arrangement at the bottom plate  21 C. The protective film  23 C is covered over the plurality of the LED illumination members  22 C by a vacuum molding process to provide a waterproof and moisture-proof protection function. And the uniformity of protective film  23  at the bottom plate  21  is not affected while the bottom plate  21  is bended because of the vacuum molding process, thereby keeping the uniformity of the light emitted by the LED illumination members  22  from being affected by the bending of the bottom plate  21 . The plurality of the attaching members  24 C are arranged at the edges of the front and back surfaces of the bottom plate  21 C, so that the joining can be simply realized to provide the combined light source devices  20  with a larger illumination range. Further, the attaching elements  24 C are implemented as Velcro members. Therefore, the mating velcro member are respectively provided at the edges of the front and back surfaces of the bottom plate  21 C to join the plurality of the light source devices  20 . In addition, the corners of the bottom plate  21 C are provided with holes to fix the light source device  20  by a simple suspension way. 
     The set light fixture of the present invention further comprises a supporting set  60  for supporting the light source device  20 , wherein the supporting set comprises an upper rod  61 , a lower rod  62 , two side rods  63 , and a connecting rod  64 . In this way, the light source device  20  or the LED flag board lights combination is fixed to the upper rod  61  and the lower rod  62 , and the two side rods  63  are arranged at two ends of the upper rod  61  and the lower rod  62 , wherein the two side rods  63  are flexible telescopic rods that can adjusts their height according to the joining configuration of the light source devices  20 . In addition, the lower ends of the two side rods  63  and the two ends of the lower rod  62  are pivotally connected. Each of the two ends of the upper rod  61  has a pin hole, and each of the upper ends of the two side rods  63  has a latch, so that the pin of the side rod  63  is used for cooperating with the pin hole of the upper rod  61  to facilitate the support or storage of the light source device  20 . In addition, the connecting rod  64  is arranged in the middle of the lower rod to adapt to be inserted in various slots or holes, such as a groove or hole of some brackets, for conveniently using the light source device  20 . That is to say, the preferred embodiment can be directly used in conjunction with the light control driver  30  and the mobile power unit  40  depending on the needs of use without the use of the adjustment supporting device  10 . However, the light source device  20  of the preferred embodiment can also be arranged at the adjustment supporting device  10  according to different needs, and used in conjunction with the light control driver and the portable power device  40 , which is not a limitation of the present invention. 
     According to this preferred embodiment of the present invention, the light source device  20  further comprises a power signal line  25  and a wire fixer  26 . The wire fixer  26  fixes the power signal line  25  to the bottom plate  21 C of the light source device  20 . 
     According to this preferred embodiment of the invention, the adjustment supporting device  10  comprises a handle  11 , a holder  12  and an adjustment screw  13 . The light source device  20  is arranged at the handle  11 . The handle  11  is rotatably mounted at the holder  12 . Therefore, the light source device  20  can be rotated relative to the holder  12  to adjust the angle. The adjustment screw  13  is connected to the handle  11  and the holder  12  for fixing the handle  11  after the handle  11  is adjusted with an angle relative to the holder  12 . In other words, when the light source device  20  is initially arranged at the handle  11 , the handle  11  and the holder  12  can be in a released state. And then after the handle  11  and the holder  12  are adjusted to define a certain angle, the handle  11  is fixed to the holder  12  at the certain angle by the adjustment screw  13 . So, the angle of the light source device  20  relative to the holder  12  is determined at the same time. 
     According to this preferred embodiment of the invention, the handle  11  comprises a supporting portion  111  and a first adjusting portion  112 . The light source device  20  is arranged at the supporting portion  111 . The first adjusting portion  112  is provided with a first angle adjustment gear  1121 . The first adjusting portion  112  is partially extended from the supporting portion  111  and has an arc shape at the end. In addition, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a notch, which may be a 90-degree notch, is formed at the non-extending portion. That is to say, when the first adjusting portion  112  is partially extended from the supporting portion  111 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the gap is 90 degrees, the plane is a horizontal plane. The first angle adjustment gear  1121  is formed at the first adjusting portion  112 . Further, the first angle adjustment gear  1121  is formed at the vertical plane of the first adjusting portion  112 . In addition, the handle  11  may further comprise at least two clamping elements  113  and at least two fixing elements  114 . When the light source device  20  is arranged at the supporting portion  111 , the upper rod  61  and the lower rod  62  located at the light source device  20  are supported by the two clamping elements  113  respectively. And then the fixing member  114  fixes the upper rod  61  and the lower rod  62  to the supporting portion  111 . 
     According to this preferred embodiment of the invention, the holder  12  comprises a body portion  121 , a second adjusting portion  122  and a locking member  123 . The body portion  121  has a hollow structure. That is to say, the body portion  121  has a hollow groove. In addition, the body portion  121  further has a wall hole  1211  penetrating through a side wall around the hollow groove, such that the holder  12  can be locked with a rod-shaped end with a certain thickness in the hollow groove so as to arrange the holder  12  at an article having the rod-shaped end. In other words, when the hollow groove of the body portion  121  of the holder  12  is engaged with the rod-shaped end of the article, the holder  12  is fixed to the article having the rod-shaped end by the locking member  123  passing through the wall hole  1211 . So that the height of the handle  11  connected to the holder  12  can be further adjusted, that is to say, the height of the light source device  20  can be adjusted. It is worth mentioning that the article having the rod-shaped end can be implemented as a tripod, so that the set light fixture of the present invention can be arranged anywhere to adjust the height and angle according to the requirements of the shooting occasions to provide illumination and light patterns. Further, the second adjusting portion  122  is partially extended from the body portion  121  of the holder  12 , and has an arc shape at a distal end. In addition, when the second adjusting portion  122  is partially extended from the body portion  121 , a notch, which may be a 90-degree notch, is formed in the non-extending portion. That is to say, when the second adjusting portion  122  is partially extended from the body portion  121 , a plane and a vertical surface intersecting the plane are simultaneously formed. When the notch is 90 degrees, the plane is a horizontal plane. The second adjusting portion  122  is provided with a second angle adjustment gear  1221 . Further, the second angle adjustment gear  1221  is formed at the vertical surface of the second adjusting portion  122 . It can be understood that when the handle  11  is arranged at the holder  12 , the first adjusting portion  112  is located at the notch of the second adjusting portion  122 , and the second adjusting portion  122  is located at the notch of the first adjusting portion  112 , and the first angle adjustment gear  1121  will be engaged with the second angle adjustment gear  1221  for adjusting the relative angle between the handle  11  and the holder  12 , and is locked and fixed by the adjustment screw  13 . Therefore, it can be understood that the first adjusting portion  112  of the handle  11  has a first adjusting hole  1122  located at a center of the first angle adjustment gear  1121 . The second adjusting portion  122  of the holder  12  has a second adjusting hole  1222  located at a center of the second angle adjustment gear  1221 , in which when the first angle adjustment gear  1121  is engaged with the second angle adjusting the gear  1221 , the first adjusting hole  1122  is aligned with the second adjusting hole  1222 , such that the adjustment screw  13  will penetrate the first adjusting hole  1122  and the second adjusting hole  1222  to lock and fix the relative angle of the handle  11  and the holder  12 , as is shown in  FIG. 6 . 
     According to this preferred embodiment of the present invention, the supporting portion  111  of the handle  11  has at least two through holes  1111 , and a plurality of grooves  1112 , wherein the two through holes  1111  are respectively located at the head and tail ends of the supporting portion  111 . The plurality of grooves  1112  is located at the opposite side of the light source device  20 . That is to say, when the light source device  20  is arranged at the supporting portion  111  of the handle  11 , the clamping elements  113  support the upper rod  61  and the lower rod  62  arranged at the light source device  20  at the head and the tail ends of the light source device  20 , and the fixing members  114  pass through the clamping elements  113  and the two through holes  1111  of the supporting portion  111  respectively to fix the light source device  20  to the supporting portion  111  of the handle  11 . At this time, the plurality of grooves  1112  is formed at the supporting portion  111  and is located at the opposite side of the light source device  20  for dissipating heat and reducing the weight of the handle. In other words, the plurality of grooves  1112  forms a heat dissipation structure of the light source device  20 . Those skilled in the art will appreciate that the grooves  1112  facilitates heat dissipation and reduces mass, but does not constitute a limitation of the handle  11 , the handle  11  also may be arranged to have a plane structure that does not affect the implementation of the present invention. 
     According to this preferred embodiment of the present invention, the set light fixture further comprises at least one engaging element arranged between the adjustment supporting device  10  and the light source device  20  for quick disassembly and installation of the light source device  20  to the adjustment supporting device  10 . The engaging element can be embodied as Velcro members, which are respectively arranged at the back surface of the light source device  20  and the supporting portion  111  of the handle  11  of the adjustment supporting device  10 , such that the light source device  20  can be simply attached to or detached from the handle  11  by the attachment or separation of the Velcro members. 
     In accordance with this preferred embodiment of the present invention, the light control driver  30  comprises a driver body, at least an adjusting component and a protective cover. The adjusting component is arranged at the driver body, which is arranged at an edge of the driver body and is protruded therefrom for convenient operation. But it is easily damaged by collision during carrying, thus the protective cover is provided with a protrusion which is mated with the adjusting component to protect it. Additionally, the adjusting element can be implemented as at least one knob or at least one switch, such that the protective cover with the protrusion is mated with the knob or the switch to protect the knob or the switch. 
     According to this preferred embodiment of the invention, the portable power device  40  comprises a battery holder and at least a battery unit. The battery holder is arranged at the light control driver  30 . The battery unit is detachably mounted to the battery holder. It is worth mentioning that when applied to different cameras, the battery holders can also be of different types to fit battery power sources of different types of cameras, such as a battery power source of a U-type camera, a battery power source of a V-type camera, and a battery power source for a V-type camera without a power interface. That is to say, the present invention provides three types of battery holders for replacement in accordance with existing battery models to increase the utility of the kit of the present invention, as shown in  FIG. 24  to  FIG. 26 . 
     One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting. 
     It will thus be seen that the objects of the present invention have been fully and effectively accomplished. The embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention comprises all modifications encompassed within the spirit and scope of the following claims.