CN103123105B - A kind of LED screw thread spotlight cooling system and heat dissipating method - Google Patents
A kind of LED screw thread spotlight cooling system and heat dissipating method Download PDFInfo
- Publication number
- CN103123105B CN103123105B CN201210554273.1A CN201210554273A CN103123105B CN 103123105 B CN103123105 B CN 103123105B CN 201210554273 A CN201210554273 A CN 201210554273A CN 103123105 B CN103123105 B CN 103123105B
- Authority
- CN
- China
- Prior art keywords
- heat sink
- radiator
- led
- screw thread
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
- F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of LED screw thread spotlight cooling system, comprise housing, shell of lamp base, end cap, mount pad, slide, drive unit, LED light source, radiator and optical lens; Housing comprises lower house and upper shell, between lower house and upper shell, be provided with heat sink, and heat sink is provided with louvre; Radiator comprises front end face and fin, and fin is located on front end face, and be formed with the ventilation slot that left and right extends between abutting fins, the air outlet of ventilation slot faces louvre; Be provided with fan on a heat sink; In the inner side of heat sink, light barrier is installed, between heat sink and light barrier, is formed with gap.Described method is: LED light source produces heat, and is delivered in radiator by heat, simultaneously fan work, and extraneous cold wind enters in radiator, and cold wind carries out heat exchange and becomes hot blast in radiator; Hot blast sheds from louvre.The present invention overcomes the distinguished and admirable impact on optical quality, and improves the utilization rate of light.
Description
Technical field
The present invention relates to the heat dissipating method of LED lamp and LED lamp thereof.Particularly LED screw thread spotlight cooling system and heat dissipating method.
Background technology
Energy-conservation because of LED, life-span is long, the application of LED is more and more extensive, there is a LED lamp at present, as shown in Figure 9, comprise shell of lamp base 1a, housing 1b, end cap 1c, LED light source, radiator, screw rod, nut, knob 1d, optical lens, housing 1b is arranged between shell of lamp base 1a and end cap 1c, described LED light source is installed on a heat sink, LED light source and radiator are installed in housing 1b, screw rod is located in housing, knob 1d is connected on screw rod, and knob 1d is positioned on rear side of end cap 1c, nut is arranged on LED light source or radiator, screw rod and nut are meshed, optical lens is arranged in shell of lamp base 1a, in shell of lamp base 1a, be provided with the exhaust vent of axial direction, the outlet air end of exhaust vent is at the end face of shell of lamp base, end cap is provided with air inlet 1f.When LED light fixture works, air inlet and air outlet form convection current, and meanwhile, LED light source can produce a large amount of heats, the heat produced is passed on radiator, by radiator by heat loss in housing, the heat fraction in housing by housing scatter and disappear, another part is shed by exhaust vent, and because the outlet air end of exhaust vent is in the end of shell of lamp base, light is also penetrate from the end of shell of lamp base, like this, and the distinguished and admirable quality that can affect hot spot.And for a person skilled in the art, be arranged on housing as air outlet will be had, because LED light source is arranged in housing, like this, the possibility that unavoidable light penetrates from air outlet is just kept away, thus the utilization rate reduced light, meanwhile, because LED light source can be subjected to displacement according to the demand of hot spot relative to optical lens, therefore, be difficult to the position controlling air outlet, to ensure that light does not penetrate from air outlet.
Summary of the invention
For overcoming the distinguished and admirable impact on optical quality, and the utilization rate of light can be improved again, the invention provides a kind of LED screw thread spotlight cooling system and heat dissipating method.
LED screw thread spotlight cooling system comprises housing, shell of lamp base, end cap, mount pad, slide, drive unit, LED light source, radiator and optical lens; Shell of lamp base is located at the leading section of housing, and end cap is located at the rearward end of housing; Mount pad is arranged in housing, and drive unit is installed on a mounting board; Slide is established on the drive means; Radiator is located on slide, and LED light source is located on radiator front end face, and optical lens is located in shell of lamp base; Described housing comprises lower house and upper shell, between lower house and upper shell, be provided with heat sink, and heat sink is provided with louvre; A cavity is formed by lower house, upper shell, heat sink, shell of lamp base, optical lens and end cap; Described radiator comprises front end face and fin, and fin is located on front end face, and be formed with the ventilation slot that left and right extends between abutting fins, the air outlet of ventilation slot faces louvre; Be provided with fan on a heat sink; The position that the inner side of heat sink is corresponding with louvre is provided with light barrier, between heat sink and light barrier, is formed with gap.
Said system, because heat sink is arranged between lower house and upper shell, louvre is located on heat sink, the air outlet of ventilation slot faces louvre, when LED screw thread spotlight cooling system, during work, the heat major part that LED light source produces is delivered on radiator, under the effect of fan, external wind enters in cavity, heat exchange is carried out in radiator, hot blast sheds from louvre, the distinguished and admirable side being formed at housing produced, and light penetrates from shell of lamp base, both are independent of each other, therefore, the distinguished and admirable quality that can not affect hot spot produced during heat radiation.In addition, owing to being provided with deep bead, no matter, under the effect of light barrier, can prevent LED light source from appearing from louvre, thus improve the utilization rate of light if how there is change in location in LED light source.
As specializing, described mount pad comprises installing plate, front end panel and rear bearing sheet, and front end panel is arranged on the leading section of installing plate, and rear bearing sheet is arranged on the rearward end of installing plate; Lower house is provided with slot, being inserted on slot of installing plate.Installing plate is arranged to plug-type structure, and be easy for installation and removal mount pad.
As specializing, described drive unit comprise motor, main pulley, from belt pulley, belt, screw rod and nut, motor is fixed on rear bearing sheet, main pulley is located on the output shaft of motor, be located at screw rod from belt pulley, belt is located at main pulley and from belt pulley, screw rod is supported by front end panel and rear bearing sheet, nut is located on slide, and screw rod and nut are meshed.
As improvement, between front end panel and rear bearing sheet, be provided with guide rod, slide is provided with guide runner, slide can slide along guide rod under the effect of guide runner.Being led by the motion of guide rod to slide, when regulating LED light source, the kinematic accuracy of LED light source can be improved, thus improve the object regulating optical quality and precision.
The method of heat radiation is as follows: during the work of LED screw thread spotlight cooling system, LED light source produces heat, and heat is delivered in radiator, fan work simultaneously, negative pressure is formed in cavity, extraneous cold wind is positioned at the louvre at fan rear through heat sink, gap enters into radiator, and cold wind carries out heat exchange and becomes hot blast in radiator; Under the effect of fan, hot blast through gap, the heat sink louvre that is positioned at fan front sheds.The distinguished and admirable side being formed at housing produced, and light is from shell of lamp base injection, both are independent of each other, therefore, the distinguished and admirable quality that can not affect hot spot produced during heat radiation.In addition, owing to being provided with deep bead, no matter, under the effect of light barrier, can prevent LED light source from appearing from louvre, thus improve the utilization rate of light if how there is change in location in LED light source.
Accompanying drawing explanation
Fig. 1 is the stereogram of LED lamp.
Fig. 2 is the exploded view of LED lamp.
Fig. 3 is A-A sectional view.
Fig. 4 is B-B sectional view.
Fig. 5 is the installation diagram of LED light source, radiator, fan, drive unit.
Fig. 6 is the exploded view of LED light source, radiator, fan, drive unit.
Fig. 7 is the stereogram of Fixing clamp-seat.
Fig. 8 is the stereogram of movable deck.
Fig. 9 is the stereogram of prior art LED lamp.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As shown in Figures 1 to 4, LED lamp comprises housing 1, shell of lamp base 2, end cap 3, mount pad 4, slide 5, drive unit 6, LED light source 7, radiator 8, fan 9, optical lens 10, heat sink 11, light barrier 12, handle 13 and light guide plate 14.
As shown in Figure 2, housing 1 is made up of lower house 101 and upper shell 102.The top edge of lower house 101 is provided with the first clamping groove 1011, the lower limb of upper shell 102 is provided with the second clamping groove 1021.The lower limb holding of heat sink 12 is in the first clamping groove 1011, the top edge holding of heat sink is in the second clamping groove 1021, projection is provided with at the rear end face of shell of lamp base 2, the front end face of end cap is provided with projection, lower house and housing are provided with installing hole, projection is inserted in installing hole, installs location lower house 101 and upper shell 102 by shell of lamp base and end cap.Lower house inwall is provided with slot 1012.A cavity is formed by lower house, upper shell, heat sink, shell of lamp base, optical lens and end cap.
As shown in Figure 5 and Figure 6, described mount pad 4 comprises installing plate 401, front end panel 402 and rear bearing sheet 403, installing plate 401 be inserted on slot 1012, front end panel 402 is arranged on the leading section of installing plate, and rear bearing sheet 403 is arranged on the rearward end of installing plate.
As shown in Figure 5 and Figure 6, slide 5 comprises pedestal 501, fixed head 502 and joint pin 503, and pedestal 501 is provided with guide runner 5011, and fixed head 502 is fixed on pedestal 501, joint pin 503 is connected between two fixed heads 502, and described radiator 8 and fan are fixed by two fixed heads.
LED light source 7 is arranged on the front end face of radiator 8, fan 9 is arranged on the rear end face of radiator, described radiator 8 has front end face 801 and fin 802, fin 802 is located on front end face 801, fin is parallel to each other, be formed with ventilation slot between abutting fins, the groove extended about ventilation slot, the air outlet of ventilation slot is just to louvre.
As shown in Figure 3, Figure 5 and Figure 6, described drive unit 6 comprise motor 601, main pulley 602, from belt pulley 603, belt 604, screw rod 605 and nut 606, motor 601 is fixed on rear bearing sheet, main pulley 602 is located on the output shaft of motor 601, be located at screw rod 605 from belt pulley 603, belt 604 is located at main pulley 602 and from belt pulley 603, screw rod 605 is supported by front end panel 402 and rear bearing sheet 403, nut 606 is located on pedestal 501, and screw rod 605 and nut 606 are meshed.When motor 601 works, motor 601 drives main pulley 602 to rotate, main pulley 602 is driven by belt 604 and rotates from belt pulley 603, screw rod 605 is driven to rotate from belt pulley 603, under the effect of nut 606, slide 5 energy rectilinear motion, thus reach the object regulating LED light source 7 and optical lens distance.For improving the kinematic accuracy of slide, thus improve the precision of LED light source motion, between front end panel 402 and rear bearing sheet 402, be provided with guide rod 15, pedestal can slide along guide rod under the effect of guide runner.
Described optical lens 10 is Fresnel lens, is arranged in shell of lamp base 3.Described heat sink 11 is provided with louvre 111, the position that the inner side of heat sink 11 is corresponding with louvre is provided with light barrier 12, is formed with gap between heat sink and light barrier.Arrange heat sink 11 at the left and right sides of LED light source 7, it can move due to LED light source, after arranging light barrier, then has part remaining light can not appear from louvre, thus improves the utilization rate of light.
Described handle 13 is arranged on heat sink 11.
Shell of lamp base 2 is provided with Fixing clamp-seat 17 and movable deck 18.As shown in Figure 7, described Fixing clamp-seat 17 has the first draw-in groove 171; Described movable deck 18 comprises pedestal 181 and movable buckle 182, movable buckle 182 is connected on pedestal 181 by pin 183, on pin 183, cover has torsion spring 184, one end of torsion spring 184 is buckled on pedestal 181, the other end of torsion spring 184 is buckled on movable buckle, and described movable buckle has the second draw-in groove 185; On the first draw-in groove 171 and the second draw-in groove, 185 are equipped with described light guide plate 14, and certain light guide plate also can be light conducting cylinder.When breaking movable buckle into two with one's hands, then light guide plate or light conducting cylinder can be disassembled from the first draw-in groove and the second draw-in groove.
As shown in Figure 2, end cap 3 is integrated with circuit board 19, end cap 3 is provided with the connector 20 and knob 21 that are connected with circuit board, circuit board is integrated on end cap, be convenient to the maintenance of integral demounting end cap, reduce maintenance cost.
In the present invention, because heat sink is arranged between lower house and upper shell, louvre is located on heat sink, the air outlet of ventilation slot faces louvre, when LED screw thread spotlight cooling system, during work, the heat major part that LED light source produces is delivered on radiator, under the effect of fan, external wind enters in cavity, heat exchange is carried out in radiator, hot blast sheds from louvre, the distinguished and admirable side being formed at housing produced, and light penetrates from shell of lamp base, both are independent of each other, therefore, the distinguished and admirable quality that can not affect hot spot produced during heat radiation.In addition, owing to being provided with deep bead, no matter, under the effect of light barrier, can prevent LED light source from appearing from louvre, thus improve the utilization rate of light if how there is change in location in LED light source.
Heat dissipating method of the present invention is: during the work of LED screw thread spotlight cooling system, LED light source 7 produces heat, and heat is delivered in radiator 8, fan 9 works simultaneously, negative pressure is formed in cavity, extraneous cold wind is positioned at the louvre at fan rear through heat sink 11, gap enters into radiator 8, and cold wind carries out heat exchange and becomes hot blast in radiator 8; Under the effect of fan, hot blast through gap, the heat sink louvre that is positioned at fan front sheds.When needs regulate hot spot, be subjected to displacement by motor driving LED light source 7, now, due to the effect of light barrier, so, no matter LED light source 7 is in which position, and the light of LED light source 7 all can not appear from louvre, thus improves the utilization rate of light.
In the present invention, " front " refers to shell of lamp base one end, and " afterwards " refers to end cap one end, " on " refer in Fig. 3 top.
Claims (10)
1. a LED screw thread spotlight cooling system, comprises housing, shell of lamp base, end cap, mount pad, slide, drive unit, LED light source, radiator and optical lens; Shell of lamp base is located at the leading section of housing, and end cap is located at the rearward end of housing; Mount pad is arranged in housing, and drive unit is installed on a mounting board; Slide is established on the drive means; Radiator is located on slide, and LED light source is located on radiator front end face, and optical lens is located in shell of lamp base; It is characterized in that: described housing comprises lower house and upper shell, between lower house and upper shell, be provided with heat sink, and heat sink is provided with louvre; A cavity is formed by lower house, upper shell, heat sink, shell of lamp base, optical lens and end cap; Described radiator comprises front end face and fin, and fin is located on front end face, and be formed with the ventilation slot that left and right extends between abutting fins, the air outlet of ventilation slot faces louvre; Be provided with fan on a heat sink; The position that the inner side of heat sink is corresponding with louvre is provided with light barrier, between heat sink and light barrier, is formed with gap.
2. LED screw thread spotlight cooling system according to claim 1, it is characterized in that: described mount pad comprises installing plate, front end panel and rear bearing sheet, front end panel is arranged on the leading section of installing plate, and rear bearing sheet is arranged on the rearward end of installing plate; Lower house is provided with slot, being inserted on slot of installing plate.
3. LED screw thread spotlight cooling system according to claim 2, it is characterized in that: described drive unit comprise motor, main pulley, from belt pulley, belt, screw rod and nut, motor is fixed on rear bearing sheet, main pulley is located on the output shaft of motor, be located at screw rod from belt pulley, belt is located at main pulley and from belt pulley, screw rod is supported by front end panel and rear bearing sheet, nut is located on slide, and screw rod and nut are meshed.
4. LED screw thread spotlight cooling system according to claim 3, it is characterized in that: between front end panel and rear bearing sheet, be provided with guide rod, slide is provided with guide runner, slide can slide along guide rod under the effect of guide runner.
5. LED screw thread spotlight cooling system according to claim 1, is characterized in that: described optical lens is screw thread mirror.
6. a heat dissipating method for LED screw thread spotlight cooling system, is characterized in that: LED screw thread spotlight cooling system comprises housing, shell of lamp base, end cap, mount pad, slide, drive unit, LED light source, radiator and optical lens; Shell of lamp base is located at the leading section of housing, and end cap is located at the rearward end of housing; Mount pad is arranged in housing, and drive unit is installed on a mounting board; Slide is established on the drive means; Radiator is located on slide, and LED light source is located on radiator front end face, and optical lens is located in shell of lamp base; Described housing comprises lower house and upper shell, between lower house and upper shell, be provided with heat sink, and heat sink is provided with louvre; A cavity is formed by lower house, upper shell, heat sink, shell of lamp base, optical lens and end cap; Described radiator comprises front end face and fin, and fin is located on front end face, and be formed with the ventilation slot that left and right extends between abutting fins, the air outlet of ventilation slot faces louvre; Be provided with fan on a heat sink; The position that the inner side of heat sink is corresponding with louvre is provided with light barrier, between heat sink and light barrier, is formed with gap;
The method of heat radiation is: during the work of LED screw thread spotlight cooling system, LED light source produces heat, and heat is delivered in radiator, fan work simultaneously, negative pressure is formed in cavity, extraneous cold wind is positioned at the louvre at fan rear through heat sink, gap enters into radiator, and cold wind carries out heat exchange and becomes hot blast in radiator; Under the effect of fan, hot blast through gap, the heat sink louvre that is positioned at fan front sheds.
7. the heat dissipating method of LED screw thread spotlight cooling system according to claim 6, it is characterized in that: described mount pad comprises installing plate, front end panel and rear bearing sheet, front end panel is arranged on the leading section of installing plate, and rear bearing sheet is arranged on the rearward end of installing plate; Lower house is provided with slot, being inserted on slot of installing plate.
8. the heat dissipating method of LED screw thread spotlight cooling system according to claim 7, it is characterized in that: described drive unit comprise motor, main pulley, from belt pulley, belt, screw rod and nut, motor is fixed on rear bearing sheet, main pulley is located on the output shaft of motor, be located at screw rod from belt pulley, belt is located at main pulley and from belt pulley, screw rod is supported by front end panel and rear bearing sheet, nut is located on slide, and screw rod and nut are meshed.
9. the heat dissipating method of LED screw thread spotlight cooling system according to claim 8, it is characterized in that: between front end panel and rear bearing sheet, be provided with guide rod, slide is provided with guide runner, slide can slide along guide rod under the effect of guide runner.
10. the heat dissipating method of LED screw thread spotlight cooling system according to claim 6, is characterized in that: described optical lens is screw thread mirror.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210554273.1A CN103123105B (en) | 2012-11-23 | 2012-12-19 | A kind of LED screw thread spotlight cooling system and heat dissipating method |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201220626424 | 2012-11-23 | ||
CN201220626424.5 | 2012-11-23 | ||
CN201210554273.1A CN103123105B (en) | 2012-11-23 | 2012-12-19 | A kind of LED screw thread spotlight cooling system and heat dissipating method |
Publications (2)
Publication Number | Publication Date |
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CN103123105A CN103123105A (en) | 2013-05-29 |
CN103123105B true CN103123105B (en) | 2016-01-06 |
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CN201210554273.1A Expired - Fee Related CN103123105B (en) | 2012-11-23 | 2012-12-19 | A kind of LED screw thread spotlight cooling system and heat dissipating method |
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CN (1) | CN103123105B (en) |
WO (1) | WO2014079132A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102020215758A1 (en) | 2020-02-20 | 2021-08-26 | Aputure Imaging Industries Co., Ltd. | Photo and video light |
Families Citing this family (8)
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CN103335257B (en) * | 2013-06-20 | 2015-12-23 | 北京莱斯达电子科技有限公司 | Spotlight |
CN103672518A (en) * | 2013-12-18 | 2014-03-26 | 湖南明和光电设备有限公司 | Novel LED digitization spot lamp |
CN104990004A (en) * | 2015-07-16 | 2015-10-21 | 宁波金熠光电科技有限公司 | LED spotlight |
CN110198398B (en) * | 2019-06-06 | 2021-08-20 | 东莞市闻誉实业有限公司 | Image pickup apparatus |
CN111578160A (en) * | 2020-05-15 | 2020-08-25 | 东莞市益友光学科技有限公司 | Rectangular light spot lens module and preparation method thereof |
CN213118725U (en) * | 2020-11-05 | 2021-05-04 | 温岭市光迪光电科技有限公司 | Screw type LED fishing lamp |
CN112394595B (en) * | 2020-11-23 | 2021-09-28 | 上海佳勒电子有限公司 | Movable lamp holder |
CN113375130B (en) * | 2021-06-10 | 2021-12-21 | 深圳市星东塑胶模具制品有限公司 | LED heat dissipation integrated housing |
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JP2011187264A (en) * | 2010-03-08 | 2011-09-22 | Rohm Co Ltd | Lighting system |
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2012
- 2012-12-19 CN CN201210554273.1A patent/CN103123105B/en not_active Expired - Fee Related
- 2012-12-29 WO PCT/CN2012/087950 patent/WO2014079132A1/en active Application Filing
Patent Citations (3)
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CN101498409A (en) * | 2007-09-29 | 2009-08-05 | 京东方科技集团股份有限公司 | Backlight device |
CN201363669Y (en) * | 2008-12-22 | 2009-12-16 | 北京星光影视设备科技股份有限公司 | Zooming LED film and video stage focus lamp |
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DE102020215758A1 (en) | 2020-02-20 | 2021-08-26 | Aputure Imaging Industries Co., Ltd. | Photo and video light |
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Publication number | Publication date |
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WO2014079132A1 (en) | 2014-05-30 |
CN103123105A (en) | 2013-05-29 |
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