CN109404763A - A kind of uniform LED light source of portable adjustable color temperature - Google Patents
A kind of uniform LED light source of portable adjustable color temperature Download PDFInfo
- Publication number
- CN109404763A CN109404763A CN201811300468.7A CN201811300468A CN109404763A CN 109404763 A CN109404763 A CN 109404763A CN 201811300468 A CN201811300468 A CN 201811300468A CN 109404763 A CN109404763 A CN 109404763A
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- Prior art keywords
- led light
- color temperature
- guide plate
- light source
- plate
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L2/00—Systems of electric lighting devices
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of portable uniform LED light sources of adjustable color temperature, including shell, and the LED light group, fixed ring, light guide plate, reflector plate and the diffuser plate that are set in the housing；LED light group includes LED lamp panel and the LED light in LED lamp panel；Fixed ring is set to the outside of LED light group, and inner wall is connected with the outer wall of the LED lamp panel in LED light group；Diffuser plate, light guide plate and reflector plate are sequentially arranged, and are respectively positioned on the inside of fixed ring, are fixed by fixed ring, wherein light guide plate is equipped with site or slot, and the light for issuing for the LED in LED light group enters from its side.Present invention uses the LED light guide plate optical systems of light guide plate, reflector plate, diffuser plate composition, eliminate integral spherical structure, to reduce volume, and reduce costs, and volume is about the half using the adjustable color temperature light source of integral spherical structure.Multiple LED light source stacking methods are used while compact, light intensity uniform superposition is realized in the microlens structure reflection of light guide plate of each LED light source through designing.
Description
Technical field
The invention belongs to technical field of LED illumination, and in particular to a kind of portable uniform LED light source of adjustable color temperature.
Background technique
LED even light source majority in the prior art is designed based on integrating sphere, and figure is more huge, is not easy to take
Band, or be chiefly used in stationary applica-tions and can not move at any time, and the luminous intensity of portioned product is uneven, can not accomplish light-source brightness,
Colour temperature is continuously adjustable, can not also prestore light source and realize the calibration of light source by adjusting the parameter of control circuit, compensate LED aging
With light quality fluctuation caused by changeable use environment, guarantee light source stablizes output.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of uniform LED light source of portable adjustable color temperature, overall volume is small, no
It reduced by only production cost, but also can be realized and be moved easily.
It realizes above-mentioned technical purpose, reaches above-mentioned technical effect, the invention is realized by the following technical scheme:
A kind of uniform LED light source of portable adjustable color temperature, comprising:
Shell；And
LED light group, fixed ring, light guide plate, reflector plate and the diffuser plate being set in the housing；
The LED light group includes LED lamp panel and the LED light in the LED lamp panel；
The fixed ring is set to the outside of the LED light group, the outer wall of the LED lamp panel in inner wall and the LED light group
It is connected；
The diffuser plate, light guide plate and reflector plate are sequentially arranged in parallel, and are respectively positioned on the inside of the fixed ring, by described solid
Determine ring to be fixed；Wherein, the light guide plate is equipped with site or slot, and in the extending direction of light guide plate and the LED light group
LED lamp panel extending direction it is perpendicular, the light that LED light in the LED light group issues enters from the side wall of light guide plate leads
Tabula rasa.
Preferably, the shell includes the first cover board and the second cover board being oppositely arranged, and is set to first cover board
And the second side plate between cover board.
Preferably, the uniform LED light source of portable adjustable color temperature includes three LED light groups, the fixed ring, diffusion
The cross section of plate, light guide plate and reflector plate is rectangle, and three LED light groups correspond respectively to three sides of the light guide plate
Face setting.
Preferably, the LED light in each LED light group includes three kinds of colors, respectively white, pink colour and green.
Preferably, the uniform LED light source of portable adjustable color temperature further includes control power supply unit, the control power supply list
Member includes circuit board, and the power interface, the first electric power connecting head and the data-interface that are connected with the circuit board；The shell
Be equipped with the second source connection-peg that is used cooperatively with the first electric power connecting head, the second source connection-peg by conducting wire with
LED lamp panel in LED light group is connected.
Preferably, the first electric power connecting head and second source connection-peg are 7pin aviation plug；The data connect
Mouth is RS232 interface.
Preferably, first cover board is as light-emitting surface；Second cover board is equipped with protrusion, described raised and described anti-
It penetrates piece to offset, for compressing and the reflector plate being fixed on light guide plate.
Preferably, the fixed ring and shell are made of the metal handling by black surface.
Preferably, the light guide plate is made of acrylic board or PC plate as substrate.
Preferably, the uniform LED light source of portable adjustable color temperature further includes pedestal, the pedestal and the shell phase
Even.
Beneficial effects of the present invention:
The uniform LED light source of portable adjustable color temperature of the invention, due to having used light guide plate, reflector plate, diffuser plate composition
LED light guide plate optical system to reduce volume, and reduced costs so eliminating integral spherical structure, and can be with
Convenient mobile, volume is about the half using the adjustable color temperature light source of integral spherical structure；It is used while compact
The microlens structure reflection of multiple LED light source stacking methods, light guide plate of each LED light source through designing realizes that light intensity uniform is folded
Add；Unique LED light arrangement is devised, different number of LED light is lighted by controlling power supply unit, so that LED light source
Brightness, colour temperature are continuously adjustable；Computer can be connected by RS232 interface, the parameter of light source is pre-stored in control power supply unit, branch
The calibration for realizing light source by adjusting the parameter in control power supply unit is held, LED aging is compensated and changeable use environment is made
At light quality fluctuation, guarantee light source stablize output.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the uniform LED light source of portable adjustable color temperature of the embodiment of the present invention one；
Fig. 2 is the overall structure diagram of the uniform LED light source of portable adjustable color temperature of the embodiment of the present invention one；
Fig. 3 is the overall structure diagram of the uniform LED light source of portable adjustable color temperature of the embodiment of the present invention two；
Fig. 4 is the side view of the control power supply unit in the uniform LED light source of portable adjustable color temperature of the embodiment of the present invention two
Figure；
In figure:
The second cover board of 1-, 2- side plate, 3- fixed ring, 4- diffuser plate, 5- light guide plate, 6- reflector plate, 7-LED lamp group, 8- base
Seat, the first cover board of 9-, 10- conducting wire, 11- control power supply unit, 12- power interface, 13- the first electric power connecting head, 14- data connect
Mouthful, 15- second source connection-peg.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
Embodiment one
The embodiment of the invention provides a kind of portable uniform LED light sources of adjustable color temperature, comprising:
Shell, in a kind of specific embodiment of the embodiment of the present invention, the shell includes the first lid being oppositely arranged
Plate 1 and the second cover board 9, and the side plate 2 between first cover board 1 and the second cover board 9；
And LED light group 7, fixed ring 3, light guide plate 5, reflector plate 6 and the diffuser plate 4 being set in the housing；
The LED light group 7 includes LED lamp panel and the LED light in the LED lamp panel；The one of the embodiment of the present invention
In kind specific embodiment, as shown in Figure 1, the uniform LED light source of portable adjustable color temperature includes three LED light groups 7, it is described
Fixed ring 3, diffuser plate 4, light guide plate 5 and reflector plate 6 cross section be rectangle, three LED light groups 7 correspond respectively to institute
State three sides setting of light guide plate 5；Further, the LED light in each LED light group 7 includes three kinds of colors, respectively white
Color, pink colour and green；In the specific implementation process, it can be set are as follows: the LED lamp panel in each LED light group 7 includes 12 LED
Lamp, respectively 3 white 2700K LED light, 3 white 6500K LED light, 3 pink colour LED light, 3 green LED lamps,
The LED light of each color can be adjusted individually, the brightness of different LED light be adjusted by control electric current, so that LED light source
Brightness, colour temperature are continuously adjustable；
The fixed ring 3 is set to the outside of the LED light group 7, outside the LED lamp panel in inner wall and the LED light group 7
Wall is connected and (wall of LED light not set in LED lamp panel in embodiments of the present invention, is known as outer wall, will be provided in LED lamp panel
The wall of LED light is known as inner wall, and the outer wall and inner wall are oppositely arranged)；In a kind of specific embodiment of the embodiment of the present invention,
The board group that the fixed ring 3 is sequentially connected by four is at four plates being sequentially connected pass through screw for LED light group 7 and leaded light
Plate 5 is fixed on the first cover board 1；
The diffuser plate 4, light guide plate 5 and reflector plate 6 are sequentially arranged in parallel, and are respectively positioned on 3 inside of fixed ring, by institute
It states fixed ring 3 to be fixed, wherein the light guide plate 5 is equipped with site or slot (i.e. microlens structure), the light guide plate prolong
It stretches direction and the extending direction of the LED lamp panel in the LED light group is perpendicular, the light that the LED light in the LED light group issues
Enter light guide plate from the side wall of light guide plate, luminous intensity is realized in the microlens structure reflection of light guide plate of each LED light source through designing
Uniformly superposition；
In a kind of specific embodiment of the embodiment of the present invention, the side of the diffuser plate 4 is fixed on by seccotine
In groove on first cover board 1, (light-emitting window size: 51mm × 51mm) is used as light-emitting window；The other side of the diffuser plate 4
It is connected with the light guide plate 5, and the cross sectional dimensions of the two is identical；
In a kind of specific embodiment of the embodiment of the present invention, the light guide plate 5 is using acrylic board or PC plate as base
Material is made, and using laser engraving, sandblasting or printing technology, many sites and V slot is made on light guide plate 5, when in LED light group 7
The emergent light of LED light when entering after light guide plate 5 reflection point encountered in light guide plate 5 from its side, with regard to diffusing reflection to light guide plate 5
Surface, when light is by scattering netted dot in the one side that is connected on light guide plate 5 with reflector plate 6, the direction of propagation changes,
Some light is emitted from light guide plate 5 close to the one side of diffuser plate 4, i.e., the described light guide plate 5 is used as the light for issuing LED light group 7
It is oriented to diffuser plate 4；
In a kind of specific embodiment of the embodiment of the present invention, reflector plate 6 is a kind of high reflectance thin slice, can be from leading
The light back that coupled side projects on tabula rasa 5 improves the service efficiency of light into light guide plate 5；
In a kind of specific embodiment of the embodiment of the present invention, second cover board 9 is equipped with protrusion and (does not show in figure
Out), the protrusion offsets with the reflector plate 6, for compressing and the reflector plate 6 being fixed on light guide plate 5, it is ensured that light source
Airtightness prevent light leakage.
Further, reflective in order to reduce in a kind of specific embodiment of the embodiment of the present invention, the fixed ring 3
It is made with shell of the metal by black surface processing.
Further, in a kind of specific embodiment of the embodiment of the present invention, in order to ensure equipment place stability,
The uniform LED light source of portable adjustable color temperature further includes pedestal 8, and the pedestal 8 is connected with the shell, the pedestal 8 by
The heavier material such as stainless steel is made, by the fixed side plate 2 in the housing of 4 screws.
Embodiment two
Based on the inventive concept being the same as example 1, the portable uniform LED light source of adjustable color temperature further includes control
Power supply unit 11, the control power supply unit 11 include circuit board, and the power interface 12, first being connected with the circuit board
Electric power connecting head 12 and data-interface 14；The shell is equipped with the second source being used cooperatively with the first electric power connecting head 12 and inserts
Connector 15, the second source connection-peg 15 are connected by conducting wire with the LED lamp panel in LED light group 7.
Preferably, the first electric power connecting head 12 and second source connection-peg 15 are 7pin aviation plug, the two it
Between be connected by conducting wire 10, realize the connection of control power supply unit 11 and light source body, the control of LED light group 7 (compared with realizing
Control precision such as can be set are as follows: every Channel 12-Bit, 4096 grades, maximum brightness adjustable range: 10Lx-2000Lx, color temperature adjustment
Range: 2700-6500K, colour temperature precision < 50K)；The data-interface 14 is RS232 interface；
The characteristics of due to existing LED technology, the LED light of different colours will appear different degrees of in use for some time
Optical attenuation, so that the accuracy of light source color temperature is influenced, it, can be by using spectral radiometer when needing to readjust colour temperature
Measurement and the departure for calculating colour temperature, and burning is modified again by the connection of data-interface 14 computer on control power supply unit 11
Colour temperature data afterwards compensate light quality fluctuation caused by LED aging and changeable use environment, guarantee that stablizing for light source is defeated
Out.
In summary: the present invention in the uniform LED light source of portable adjustable color temperature due to used light guide plate, reflector plate,
The LED light guide plate optical system of diffuser plate composition to reduce volume, and is reduced into so eliminating integral spherical structure
This, and the movement that can be convenient, volume are about the half using the adjustable color temperature light source of integral spherical structure；In compact
While use multiple LED light source stacking methods, light guide plate of each LED light source through designing microlens structure reflection realize light
Even intensity superposition；Unique LED light arrangement is devised, by control power switch, lights different number of LED light,
So that LED light source brightness, colour temperature are continuously adjusted；Computer can be connected by RS232 interface, and the parameter of light source is pre-stored in control electricity
In source unit, supports the calibration for realizing light source by adjusting the parameter in control power supply unit, compensate LED aging and changeable make
The light quality fluctuation caused by environment, guarantee light source stablizes output.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of uniform LED light source of portable adjustable color temperature characterized by comprising
Shell；And
LED light group, fixed ring, light guide plate, reflector plate and the diffuser plate being set in the housing；
The LED light group includes LED lamp panel and the LED light in the LED lamp panel；
The fixed ring is set to the outside of the LED light group, and inner wall is connected with the outer wall of the LED lamp panel in the LED light group；
The diffuser plate, light guide plate and reflector plate are sequentially arranged in parallel, and are respectively positioned on the inside of the fixed ring, by the fixed ring
It is fixed；Wherein, the light guide plate is equipped with site or slot, and the LED in the extending direction of light guide plate and the LED light group
The extending direction of lamp plate is perpendicular, and the light that the LED light in the LED light group issues enters light guide plate from the side wall of light guide plate.
2. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: the shell packet
Include the first cover board and the second cover board being oppositely arranged, and the side plate between first cover board and the second cover board.
3. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: described portable
The uniform LED light source of adjustable color temperature includes three LED light groups, and the fixed ring, diffuser plate, the cross section of light guide plate and reflector plate are equal
For rectangle, three LED light groups correspond respectively to three sides setting of the light guide plate.
4. a kind of portable uniform LED light source of adjustable color temperature according to claim 1 or 3, it is characterised in that: each LED light
LED light in group includes three kinds of colors, respectively white, pink colour and green.
5. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: described portable
The uniform LED light source of adjustable color temperature further include control power supply unit, the control power supply unit includes circuit board, and with the electricity
Road plate connected power interface, the first electric power connecting head and data-interface；The shell is equipped with matches with the first electric power connecting head
The second source connection-peg used is closed, the second source connection-peg is connected by conducting wire with the LED lamp panel in LED light group.
6. a kind of portable uniform LED light source of adjustable color temperature according to claim 5, it is characterised in that: first electricity
Source connection-peg and second source connection-peg are 7pin aviation plug；The data-interface is RS232 interface.
7. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: first lid
Plate is as light-emitting surface；Second cover board is equipped with protrusion, and the protrusion offsets with the reflector plate, for compression and will described in
Reflector plate is fixed on light guide plate.
8. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: the fixed ring
It is made with shell of the metal by black surface processing.
9. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: the light guide plate
It is made of acrylic board or PC plate as substrate.
10. a kind of portable uniform LED light source of adjustable color temperature according to claim 1, it is characterised in that: described portable
The uniform LED light source of adjustable color temperature further includes pedestal, and the pedestal is connected with the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300468.7A CN109404763A (en) | 2018-11-02 | 2018-11-02 | A kind of uniform LED light source of portable adjustable color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300468.7A CN109404763A (en) | 2018-11-02 | 2018-11-02 | A kind of uniform LED light source of portable adjustable color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404763A true CN109404763A (en) | 2019-03-01 |
Family
ID=65471077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300468.7A Pending CN109404763A (en) | 2018-11-02 | 2018-11-02 | A kind of uniform LED light source of portable adjustable color temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404763A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090012780A (en) * | 2007-07-31 | 2009-02-04 | 추건국 | Led lighting device |
| CN203240425U (en) * | 2013-05-21 | 2013-10-16 | 杭州纳晶照明技术有限公司 | Panel lamp |
| CN203363720U (en) * | 2013-06-03 | 2013-12-25 | 福建泉州世光照明科技有限公司 | LED panel light allowing colors and temperatures to be intelligently adjustable |
| CN203585845U (en) * | 2013-09-10 | 2014-05-07 | 佛山市星丰光电科技有限公司 | Color temperature adjustable LED lamp |
| CN204345370U (en) * | 2015-01-23 | 2015-05-20 | 杭州瑞研电子科技有限公司 | Diffuse reflection led flat lamp |
| CN204693254U (en) * | 2015-06-01 | 2015-10-07 | 江苏西屋建设工程有限公司 | A kind of LED panel lamp |
| CN209042028U (en) * | 2018-11-02 | 2019-06-28 | 昆山钧沃光电有限公司 | A kind of uniform LED light source of portable adjustable color temperature |
-
2018
- 2018-11-02 CN CN201811300468.7A patent/CN109404763A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090012780A (en) * | 2007-07-31 | 2009-02-04 | 추건국 | Led lighting device |
| CN203240425U (en) * | 2013-05-21 | 2013-10-16 | 杭州纳晶照明技术有限公司 | Panel lamp |
| CN203363720U (en) * | 2013-06-03 | 2013-12-25 | 福建泉州世光照明科技有限公司 | LED panel light allowing colors and temperatures to be intelligently adjustable |
| CN203585845U (en) * | 2013-09-10 | 2014-05-07 | 佛山市星丰光电科技有限公司 | Color temperature adjustable LED lamp |
| CN204345370U (en) * | 2015-01-23 | 2015-05-20 | 杭州瑞研电子科技有限公司 | Diffuse reflection led flat lamp |
| CN204693254U (en) * | 2015-06-01 | 2015-10-07 | 江苏西屋建设工程有限公司 | A kind of LED panel lamp |
| CN209042028U (en) * | 2018-11-02 | 2019-06-28 | 昆山钧沃光电有限公司 | A kind of uniform LED light source of portable adjustable color temperature |
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