CN108231753A - A kind of LED light source - Google Patents
A kind of LED light source Download PDFInfo
- Publication number
- CN108231753A CN108231753A CN201810013006.0A CN201810013006A CN108231753A CN 108231753 A CN108231753 A CN 108231753A CN 201810013006 A CN201810013006 A CN 201810013006A CN 108231753 A CN108231753 A CN 108231753A
- Authority
- CN
- China
- Prior art keywords
- copper sheet
- electrode copper
- light source
- chip
- electrode
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 168
- 229910052802 copper Inorganic materials 0.000 claims abstract description 168
- 239000010949 copper Substances 0.000 claims abstract description 168
- 230000005611 electricity Effects 0.000 claims description 5
- 241000218202 Coptis Species 0.000 claims description 3
- 235000002991 Coptis groenlandica Nutrition 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000013011 mating Effects 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Abstract
The invention discloses a kind of LED light sources, including jigsaw, light source bracket is equidistantly distributed on the jigsaw, first electrode copper sheet, second electrode copper sheet, third electrode copper sheet, the 4th electrode copper sheet, the 5th electrode copper sheet, the 6th electrode copper sheet, the 7th electrode copper sheet, the 8th electrode copper sheet, the 9th electrode copper sheet and the tenth electrode copper sheet are provided on the light source bracket, the first chip, the second chip, third wafer, the 4th chip and the 5th chip are additionally provided on the light source bracket.Light source of the present invention, two white lights are cleverly combined with RGB, pass through corresponding controller, it can easily realize the function of seven caidiao opera colors and white light color-temperature regulating, realize a product while compatible decoration and the function of key lighting, the application range for making light source are more extensive, meet different light distribution demands with same product, a new industrial chain is opened up, only user has not opened up new application and the experience visual field, while adds new business opportunity for mating supply enterprise.
Description
Technical field
The present invention relates to LED industry technical field, specially a kind of LED light source.
Background technology
5050 light source of industry at present at most only has the light source applications of four-in-one combination of light sources RGBW, wherein RGB or monochrome W
More mature, the light source of RGBW four-in-ones has also begun to application demand, it is contemplated that LED illumination industry is increasingly mature, people
Individual needs also need to come more, the application demand that a lamp is mostly used is also more and more, seven glory source masters of RGB three-color light sources composition
To be applied to landscape, decorative lighting, and white light is generally used for the occasion of key lighting, and white light is as the general 2700K- of key lighting
6500K is more common, in certain particular applications, in order to meet key lighting and landscape or decorative lighting simultaneously, and market at present
There is no dedicated light source to realize this purpose, need by other approach, to cause the installation, use, production exercise of corresponding product
Make complexity, cost is also high.
Invention content
The purpose of the present invention is to provide a kind of LED light sources, two white lights are cleverly combined with RGB, by corresponding
Controller can easily realize the function of seven caidiao opera colors and white light color-temperature regulating, realize a product and meanwhile compatible decoration with
The function of key lighting, the application range for making light source is more extensive, solves the problems of the prior art.
To achieve the above object, the present invention provides following technical solution：A kind of LED light source, including jigsaw, on the jigsaw
Equidistantly distributed has light source bracket, and first electrode copper sheet, second electrode copper sheet, third electrode copper are provided on the light source bracket
Piece, the 4th electrode copper sheet, the 5th electrode copper sheet, the 6th electrode copper sheet, the 7th electrode copper sheet, the 8th electrode copper sheet, the 9th electrode
Copper sheet and the tenth electrode copper sheet are provided with second electrode copper sheet, the second electrode copper sheet below the first electrode copper sheet
Lower section be provided with third electrode copper sheet, be provided with the 4th electrode copper sheet below the third electrode copper sheet, the 4th electricity
The 5th electrode copper sheet is provided with below the copper sheet of pole, the 7th electrode copper sheet is provided with below the 6th electrode copper sheet, it is described
The 8th electrode copper sheet is provided with below 7th electrode copper sheet, the 9th electrode copper is provided with below the 8th electrode copper sheet
Piece is provided with the tenth electrode copper sheet below the 9th electrode copper sheet, the first chip, second is additionally provided on the light source bracket
Chip, third wafer, the 4th chip and the 5th chip, the side of first chip are equipped with the second chip, second chip
Side be equipped with third wafer, the side of the third wafer is equipped with the 4th chip, and the side of the 4th chip is equipped with the 5th
Chip.
Preferably, the first electrode copper sheet, second electrode copper sheet, third electrode copper sheet, the 4th electrode copper sheet, the 5th electricity
Pole copper sheet, the 6th electrode copper sheet, the 7th electrode copper sheet, the 8th electrode copper sheet, the 9th electrode copper sheet and the tenth electrode copper sheet are lateral
Five groups are arranged as, the first electrode copper sheet, second electrode copper sheet, third electrode copper sheet, the 4th electrode copper sheet and the 5th electrode
Copper sheet is arranged in the same side of light source bracket one end, the 6th electrode copper sheet, the 7th electrode copper sheet, the 8th electrode copper sheet, the 9th electricity
Pole copper sheet and the tenth electrode copper sheet are arranged in the same side of the light source bracket other end.
Preferably, it is welded with gold on first chip, the second chip, third wafer, the 4th chip and the 5th chip
Line.
Compared with prior art, beneficial effects of the present invention are as follows：
Light source of the present invention cleverly combines two white lights with RGB, by corresponding controller, can easily realize seven coloured silks
Toning and the function of white light color-temperature regulating realize a product while the compatible function of decorating with key lighting, due to being combined with RGB
The characteristics of with white light, the application range for making light source is more extensive, make user select lamp, with not needing to excessive professional knowledge on lamp,
Meet different light distribution demands with same product, open up a new industrial chain, only user has not opened up new application
And the experience visual field, while add new business opportunity for mating supply enterprise.
Description of the drawings
Fig. 1 is the jigsaw light source bracket front view of the present invention；
Fig. 2 is the jigsaw light source bracket side view of the present invention；
Fig. 3 is the light source bracket front elevation of the present invention；
Fig. 4 is the light source bracket reverse side figure of the present invention；
Fig. 5 is light source schematic diagram after encapsulation of the invention.
In figure：1 jigsaw, 2 light source brackets, 3 first electrode copper sheets, 4 second electrode copper sheets, 5 third electrode copper sheets, 6 the 4th
Electrode copper sheet, 7 the 5th electrode copper sheets, 8 the 6th electrode copper sheets, 9 the 7th electrode copper sheets, 10 the 8th electrode copper sheets, 11 the 9th electrodes
Copper sheet, 12 the tenth electrode copper sheets, 13 first chips, 14 second chips, 15 third wafers, 16 the 4th chips, 17 the 5th chips, 18
Gold thread.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, including jigsaw 1, light source bracket 2 is equidistantly distributed with, in order to just in a kind of LED light source on jigsaw 1
In batch production, light source bracket 2 is needed by certain Combination Design into jigsaw 1, in this way convenient for subsequent punching press, injection, die bond, weldering
The operation of the processes such as line, dispensing, light source bracket 2 need to undergo punching press, plating, are molded, cut, the processes such as full inspection, packaging, per pass
Technique needs are rigid in checking up, and selected raw material are needed to use by verification experimental verification, such as：Red ink infiltration examination
Test, the test of Oxidation Resistance Test, water content, high temperature reliability test, the light source by containing the LED groups of 5 kinds of different colours simultaneously
It closes, i.e. five in one light source, is defined as RGBWW light sources, two white lights are cleverly combined with RGB, by controlling accordingly
Device can easily realize the function of seven caidiao opera colors and white light color-temperature regulating, realize a product while compatibility is decorated and main photograph
Bright function is provided with first electrode copper sheet 3, second electrode copper sheet 4, third electrode copper sheet 5, the 4th electrode on light source bracket 2
Copper sheet 6, the 5th electrode copper sheet 7, the 6th electrode copper sheet 8, the 7th electrode copper sheet 9, the 8th electrode copper sheet 10, the 9th electrode copper sheet 11
With the tenth electrode copper sheet 12, by dedicated controller, RGBWW light sources can realize 2700K and 6500K colour mixtures, can mix out
The arbitrary colour temperature of 2700K-6500K white color middle benefit gas, meets the needs of user's white light, seven glories of RGB compositions again with 2700K-
6500K white lights mix, and make photochromic more bright-coloured, bright, abundant, and RGBWW light sources, five primary colours of each light source can realize 256
Grade brightness is shown, 256 can be at least realized by mutual colour mixture5Color shows that color is more rich, true to nature, first electrode copper sheet 3
Lower section be provided with second electrode copper sheet 4, the lower section of second electrode copper sheet 4 is provided with third electrode copper sheet 5, third electrode copper sheet
5 lower section is provided with the 4th electrode copper sheet 6, and the combination of tri- light sources of RGB can realize seven basic colors, WW (W1-2700K/
W2-6500K) two combination of light sources can realize the arbitrary colour temperature of 2700K-6500K white color middle benefit gas, the 4th electrode copper sheet 6
Lower section is provided with the 5th electrode copper sheet 7, and the lower section of the 6th electrode copper sheet 8 is provided with the 7th electrode copper sheet 9, the 7th electrode copper sheet 9
Lower section be provided with the 8th electrode copper sheet 10, the lower section of the 8th electrode copper sheet 10 is provided with the 9th electrode copper sheet 11, the 9th electrode
The lower section of copper sheet 11 is provided with the tenth electrode copper sheet 12, first electrode copper sheet 3, second electrode copper sheet 4, third electrode copper sheet 5,
Four electrode copper sheets 6, the 5th electrode copper sheet 7, the 6th electrode copper sheet 8, the 7th electrode copper sheet 9, the 8th electrode copper sheet 10, the 9th electrode
Transversely arranged 11 and the tenth electrode copper sheet 12 of copper sheet is five groups, first electrode copper sheet 3, second electrode copper sheet 4, third electrode copper sheet
5th, the 4th electrode copper sheet 6 and the 5th electrode copper sheet 7 are arranged in the same side of 2 one end of light source bracket, the 6th electrode copper sheet the 8, the 7th
Electrode copper sheet 9, the 8th electrode copper sheet 10, the 9th electrode copper sheet 11 and the tenth electrode copper sheet 12 are arranged in 2 other end of light source bracket
The same side, first electrode copper sheet 3, second electrode copper sheet 4, third electrode copper sheet 5, the 4th electrode copper sheet 6, the 5th electrode copper sheet
7th, the 6th electrode copper sheet 8, the 7th electrode copper sheet 9, the 8th electrode copper sheet 10, the 9th electrode copper sheet 11 and the tenth electrode copper sheet 12 divide
Other extraction electrode, as the electrode pin of light source, every group of light source electrodes need electrode in different size, big to be used for into line light source
The fixation and heat dissipation of chip are additionally provided with the first chip 13, the second chip 14, third wafer 15, the 4th chip 16 on light source bracket 2
With the 5th chip 17, need to be laid out 5 different chips on 5050 conventional light sources, and require to be manufactured into the light of five colors
Source, and to ensure mutually unaffected between light source, consistency during batch production, excellent radiating effect when used for a long time, first is brilliant
Gold thread 18 is welded on piece 13, the second chip 14, third wafer 15, the 4th chip 16 and the 5th chip 17, due to 5050 light
2 outside dimension of light source bracket in source is 5mm*5mm, so in light-source encapsulation design, it is also desirable to have certain technical, light source envelope
It is to need strictly to customize by design requirement that dress, which neutralizes various jigs, the white light of 2700K, 6500K and rgb light source, in the envelope of light source
Assembling than being above to need certain technology, first have to three kinds of source regions of guarantee cannot mutual strike-through, it is mutually isolated, while to protect
The proportions operation that glue amount is appropriate, strictly press design, has verified is demonstrate,proved, light source in the production process, will mainly undergo die bond, weldering
The processes such as line, drop glue, baking, light splitting, braid, dehumidifying, packaging, will be rigid in checking up, monitor per procedure, whole process is needed in nothing
Dirt is produced in workshop, and the side of the first chip 13 is equipped with the second chip 14, and the side of the second chip 14 is equipped with third wafer
15, the side of third wafer 15 is equipped with the 4th chip 16, and the side of the 4th chip 16 is equipped with the 5th chip 17.
In summary：Light source of the present invention cleverly combines two white lights with RGB, can be light by corresponding controller
The seven caidiao opera color of realization of pine and the function of white light color-temperature regulating realize a product while the compatible function of decorating with key lighting,
Due to the characteristics of being combined with RGB and white light, the application range for making light source is more extensive, and user is made to select lamp, not needed to on lamp
More professional knowledge meets different light distribution demands with same product, has opened up a new industrial chain, only user does not open
New application and the experience visual field have been opened up, while new business opportunity is added for mating supply enterprise.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of LED light source, including jigsaw（1）, it is characterised in that：The jigsaw（1）On light source bracket is equidistantly distributed with
（2）, the light source bracket（2）On be provided with first electrode copper sheet（3）, second electrode copper sheet（4）, third electrode copper sheet（5）,
Four electrode copper sheets（6）, the 5th electrode copper sheet（7）, the 6th electrode copper sheet（8）, the 7th electrode copper sheet（9）, the 8th electrode copper sheet
（10）, the 9th electrode copper sheet（11）With the tenth electrode copper sheet（12）, the first electrode copper sheet（3）Lower section be provided with second electricity
Pole copper sheet（4）, the second electrode copper sheet（4）Lower section be provided with third electrode copper sheet（5）, the third electrode copper sheet（5）
Lower section be provided with the 4th electrode copper sheet（6）, the 4th electrode copper sheet（6）Lower section be provided with the 5th electrode copper sheet（7）, institute
State the 6th electrode copper sheet（8）Lower section be provided with the 7th electrode copper sheet（9）, the 7th electrode copper sheet（9）Lower section be provided with
8th electrode copper sheet（10）, the 8th electrode copper sheet（10）Lower section be provided with the 9th electrode copper sheet（11）, the 9th electricity
Pole copper sheet（11）Lower section be provided with the tenth electrode copper sheet（12）, the light source bracket（2）On be additionally provided with the first chip（13）,
Two chips（14）, third wafer（15）, the 4th chip（16）With the 5th chip（17）, first chip（13）Side be equipped with
Second chip（14）, second chip（14）Side be equipped with third wafer（15）, the third wafer（15）Side set
There is the 4th chip（16）, the 4th chip（16）Side be equipped with the 5th chip（17）.
2. a kind of LED light source according to claim 1, it is characterised in that：The first electrode copper sheet（3）, second electrode
Copper sheet（4）, third electrode copper sheet（5）, the 4th electrode copper sheet（6）, the 5th electrode copper sheet（7）, the 6th electrode copper sheet（8）, the 7th
Electrode copper sheet（9）, the 8th electrode copper sheet（10）, the 9th electrode copper sheet（11）With the tenth electrode copper sheet（12）Transversely arranged is five
Group, the first electrode copper sheet（3）, second electrode copper sheet（4）, third electrode copper sheet（5）, the 4th electrode copper sheet（6）With the 5th
Electrode copper sheet（7）It is arranged in light source bracket（2）The same side of one end, the 6th electrode copper sheet（8）, the 7th electrode copper sheet（9）, the 8th
Electrode copper sheet（10）, the 9th electrode copper sheet（11）With the tenth electrode copper sheet（12）It is arranged in light source bracket（2）The other end it is same
Side.
3. a kind of LED light source according to claim 1, it is characterised in that：First chip（13）, the second chip
（14）, third wafer（15）, the 4th chip（16）With the 5th chip（17）On be welded with gold thread（18）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013006.0A CN108231753A (en) | 2018-01-07 | 2018-01-07 | A kind of LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013006.0A CN108231753A (en) | 2018-01-07 | 2018-01-07 | A kind of LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108231753A true CN108231753A (en) | 2018-06-29 |
Family
ID=62644757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810013006.0A Pending CN108231753A (en) | 2018-01-07 | 2018-01-07 | A kind of LED light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108231753A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110102062A (en) * | 2010-03-10 | 2011-09-16 | 삼성엘이디 주식회사 | Led device capable of tuning correlated color temperature |
| US20140175987A1 (en) * | 2012-12-24 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Color temperature adjusting method and illuminating device using the method |
| CN204067354U (en) * | 2014-08-14 | 2014-12-31 | 东莞市港照照明科技有限公司 | A kind of octal bonded LED lamp |
| CN207651482U (en) * | 2018-01-07 | 2018-07-24 | 深圳市创想光电股份有限公司 | A kind of LED light source |
-
2018
- 2018-01-07 CN CN201810013006.0A patent/CN108231753A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110102062A (en) * | 2010-03-10 | 2011-09-16 | 삼성엘이디 주식회사 | Led device capable of tuning correlated color temperature |
| US20140175987A1 (en) * | 2012-12-24 | 2014-06-26 | Hon Hai Precision Industry Co., Ltd. | Color temperature adjusting method and illuminating device using the method |
| CN204067354U (en) * | 2014-08-14 | 2014-12-31 | 东莞市港照照明科技有限公司 | A kind of octal bonded LED lamp |
| CN207651482U (en) * | 2018-01-07 | 2018-07-24 | 深圳市创想光电股份有限公司 | A kind of LED light source |
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