CN213583780U - Lamp strip made of RGB light source and white light source - Google Patents
Lamp strip made of RGB light source and white light source Download PDFInfo
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- CN213583780U CN213583780U CN202022411191.4U CN202022411191U CN213583780U CN 213583780 U CN213583780 U CN 213583780U CN 202022411191 U CN202022411191 U CN 202022411191U CN 213583780 U CN213583780 U CN 213583780U
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- light source
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- rgb light
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- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 229910000679 solder Inorganic materials 0.000 claims description 31
- 239000003292 glue Substances 0.000 claims description 10
- 238000004021 metal welding Methods 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
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- 238000000034 method Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model relates to a lamp area of RGB light source and white light source preparation particularly, the lamp area is the lamp area of making on the flexible line way board with RGB light source and white light source welding, and the RGB light source is the RGB light source of making in the support with three kinds of chip package that respectively emit red light, green glow, blue light, and the support of RGB light source is the LED support that the metal was inlayed and is formed in the resin, and the at least three limit in support bottom of RGB light source is provided with 6 at least leg, leg total number b on the support: b is more than or equal to 6 and less than or equal to 16, the welding feet are exposed from the side surface of the support, metal contacts are further extended from the side surface of the support and used for light source testing and sorting, the support can be used for manufacturing RGB light sources with low cost, the white light source is a white light source manufactured by packaging an LED chip in the support or a CSP white light source, and the lamp strip manufactured by the RGB light source and the white light source is the lamp strip with low cost.
Description
Technical Field
The utility model relates to a LED lamp area and application, concretely relates to lamp area of RGB light source and white light source preparation.
Background
The lamp area of RGB light source and white light source and the control element preparation of prior art preparation, the adoption be that the leg all distributes the LED light source preparation in two sides and forms, 6 foot light sources that RGB light source used, 6 feet are respectively on two limits of light source, three feet in a limit, the problem that exists as follows:
the three pins of the LED light source are respectively arranged on the same side, when the LED light source is used, the light source is welded on a circuit board, particularly a flexible circuit board, one of the pins is easy to be soldered in a faulty mode, the density of the pins is high, the short circuit of tin is easy to be connected, and the density of the pins after the pin is soldered in a faulty mode is high, and the short circuit of tin is easy to be connected when the maintenance is carried out.
Secondly, three pins which need to be conducted on each side of the LED light source need to be welded, so that insufficient soldering is ensured during welding, the maintenance is convenient, and the pins need to be bent into three-dimensional multi-surface solder pins, so that when the pins are used as planar single-surface solder pins, the yield is low during welding, particularly, the insufficient soldering of the middle solder pin is serious, six flat solder pins on two sides are manufactured by many enterprises in the industry, and three flat solder pins on two sides fail due to the above problems, so that six pins currently manufactured in the industry are three-dimensional multi-surface solder pins on two sides and three pins on one side, and the reason why the pins are pursued to manufacture flat solder pins? The main reason is that when the flat welding foot is made, because no metal is bent and more metal is needed, the utilization rate of the material for manufacturing the light source support is improved by more than 25%, and the flat welding foot support is also thinner than the bent support by more than 40%, the total cost can be saved by 30%, and the support is thin, and when the light source is packaged by the support, the packaging glue can be saved by 50%.
And thirdly, 6 pins of the LED light source are distributed on two sides, when the size of the RGB light source is smaller, the density of the welding pins is higher, the short circuit of tin connection is easier, the small-size light source is more difficult, and the cost of the large-size light source for manufacturing the lamp belt can not be reduced.
And fourthly, the size of the RGB light source cannot be reduced, and the matched flexible circuit board cannot be reduced, so that the cost for manufacturing the lamp strip cannot be reduced.
In order to solve the problem that the industry did not solve always, can do little to the LED light source, can do the circuit board again narrowly, make lamp area cost reduction, can also reach good result of use, the utility model discloses take the lamp area of following method preparation RGB light source and white light source preparation, overcome this technique:
the method comprises manufacturing a light source with a support having multiple sides provided with solder feet, designing and manufacturing the solder feet of the light source support having multiple solder feet on three or more sides of the bottom of the support, exposing metal on the side of the support, designing and manufacturing metal contacts on one or more sides of the support, exposing the metal contacts from the side of the support, forming conduction connection between the metal of the metal contacts and the solder feet in the support, forming multiple metal electrodes at the bottom of the support cup for packaging chips, respectively forming connection with multiple solder feet outside the support, respectively fixing three chips containing red light, green light and blue light on the metal electrodes in the support cup, respectively forming conduction between each chip and the electrode on the support after wire bonding by a wire bonding machine, applying packaging glue on the support, sealing the chips and the electrodes, heating to solidify the glue, lighting the light on the light splitting machine for detection and sorting, wherein during detection, the light source is clamped by the detector on two sides, a plurality of electrodes of the clamping and detecting machine simultaneously touch the exposed welding feet on the two sides and the exposed metal contacts on the two sides, so that the RGB light source is lighted for detection and sorting, and the RGB light source with welding feet on a plurality of sides is manufactured after sorting, the bracket is used for manufacturing a low-cost light source and a low-cost light source lamp belt, and when the RGB light source is manufactured, although the welding feet of the light source are distributed on three or more side surfaces, the light source can be tested by clamping two sides by using a low-cost clamping and testing machine, the white light source is a white light source or a CSP white light source which is manufactured by packaging an LED chip in a support, and the RGB light source, the white light source and the control element are welded on a flexible circuit board to manufacture the LED lamp belt with two light sources with lower cost.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a lamp area of RGB light source and white light source preparation particularly, the lamp area is the lamp area of making on the flexible line way board with RGB light source and white light source welding, and the RGB light source is the RGB light source of making in the support with three kinds of chip package that respectively emit red light, green glow, blue light, and the support of RGB light source is the LED support that the metal was inlayed and is formed in the resin, and the at least three limit in support bottom of RGB light source is provided with 6 at least leg, leg total number b on the support: b is more than or equal to 6 and less than or equal to 16, the welding feet are exposed from the side surface of the support, metal contacts are further extended from the side surface of the support and used for light source testing and sorting, the support can be used for manufacturing RGB light sources with low cost, the white light source is a white light source manufactured by packaging an LED chip in the support or a CSP white light source, and the lamp strip manufactured by the RGB light source and the white light source is the lamp strip with low cost.
According to the utility model provides a lamp area of RGB light source and white light source preparation, include: RGB light source, white light source or RGB light source, white light source and control element; a flexible circuit board; the LED lamp strip is characterized in that the lamp strip is composed of an RGB light source, a white light source or RGB light source, a white light source, a control element and a flexible circuit board, the RGB light source is an RGB light source manufactured by respectively packaging three chips emitting red light, green light and blue light by using an LED support, the LED support is characterized by being an LED support formed by embedding metal in resin, the bottom of the LED support is provided with a side, a is more than or equal to 4 and less than or equal to 8, the support is provided with b metal welding feet, b is more than or equal to 6 and less than or equal to 16, the support is provided with c side faces, c is more than or equal to 4 and less than or equal to 8, the metal welding feet are exposed at the bottom, part or all of the metal welding feet are exposed from the side faces of the support, the welding feet exposed from the side faces of the support are distributed on d sides of the bottom, d is more than or equal to 3 and less than or equal to a, e metal contacts extend from the side faces of the support, the support is a cup-shaped support, f metal electrodes are arranged in the cup, f is more than or equal to 6 and less than or equal to 16, a part of the metal electrodes are connected with the metal welding feet to form conduction, or all the metal electrodes are connected with the metal welding feet to form conduction, three chips respectively emitting red light, green light and blue light are fixedly crystallized on the metal electrodes in the cup of the support, each chip respectively emitting red light, green light and blue light is respectively connected with the metal electrodes on the support, packaging glue is bonded in the cup of the support and seals the chips and the metal electrodes, the three chips of the RGB light source are at least connected with the welding feet exposed on 3 side faces, the white light source is a white light source or a CSP white light source manufactured by packaging the LED chips on the support, and the RGB light source, the white light source or the RGB light source, the white light source and the control element are welded on the flexible circuit board.
According to the utility model discloses a preferred embodiment, a lamp area of RGB light source and white light source preparation, its characterized in that, the leg of RGB light source be three-dimensional book foot leg, the leg stretches out in RGB light source side and is pasted on the surface of side and bottom surface by the book.
According to a preferred embodiment of the present invention, the lamp strip made of the RGB light source and the white light source is characterized in that the solder leg of the RGB light source is a flat solder leg exposed at the bottom.
According to the utility model discloses a preferred embodiment, a lamp area of RGB light source and white light source preparation, its characterized in that, the metal contact of RGB light source only be used for the inspection when selecting separately the light source for detect the contact and switch on the use, the metal contact that is used for detecting had both switched on with the leg of RGB light source, had formed with the chip again and switched on.
According to the utility model discloses a preferred embodiment, a lamp area of RGB light source and white light source preparation, a characterized in that, the metal contact of RGB light source set up and expose in two relative sides of light source, have two sides of metal contact, every has the metal contact again and has the leg, detect the light source with the metal contact and the leg of these two sides simultaneously during the light source.
According to the utility model discloses a preferred embodiment, a lamp area of RGB light source and white light source preparation, a characterized in that, the metal contact of RGB light source outwards expose in a side of light source setting, there is the existing metal contact of side of metal contact and has the leg again, perhaps only the metal contact, metal contact and the leg with two relative sides simultaneously detect the light source during the testing light source.
According to the utility model discloses a preferred embodiment, a lamp area of RGB light source and white light source preparation, a characterized in that, RGB light source in ruddiness chip fix on metal electrode with conductive silver thick liquid, two kinds of chips of blue light and green glow are fixed on metal electrode with the insulating cement.
According to the utility model discloses a preferred embodiment, a lamp area that RGB light source and white light source made, its characterized in that, flexible line way board be soft or hard combination circuit board, soft or hard combination circuit board sets up the soft or hard combination circuit board that bonds and have the hard resin to form in the local position on the circuit board.
According to a preferred embodiment of the present invention, the lamp strip made of the RGB light source and the white light source is characterized in that the ratio of the number of the RGB light sources to the number of the white light sources is 1: 1.
According to a preferred embodiment of the present invention, the lamp strip made of the RGB light source and the white light source is characterized in that the ratio of the number of the RGB light sources to the number of the white light sources is 1: 2, wherein the white light source is a white light source with two color temperatures.
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.
Drawings
The features, objects, and advantages of the present invention will become more apparent from the reading of the specification in conjunction with the following drawings, a brief description of which follows.
FIG. 1 is a schematic circuit plan view of a cup shaped holder with solder fillets on four sides.
Fig. 2 is a top plan view of a cup shaped holder with fillets on four sides.
Fig. 3 is a bottom plan view of a cup shaped holder with fillets on four sides.
Fig. 4 is a schematic cross-sectional view of a cup shaped holder with fillets on four sides.
FIG. 5 is a schematic view of the upper and lower equiangular axes of a cup shaped holder having fillets on four sides.
Fig. 6 is a plan view of a plurality of holder cups of a cup holder having fillets on four sides.
FIG. 7 is a top view of a plurality of frame cups of a cup shaped frame with fillets on four sides for die bonding wires.
FIG. 8 is a cross-sectional view of an RGB light source with fillets on each side.
FIG. 9 is a top view of an RGB light source with fillets on each side.
Fig. 10 is a schematic plan view of a flexible light strip semi-finished product with RGB light sources and 2835 white light sources in a ratio of 1: 1.
Fig. 11 is a schematic plan view of a semi-finished flexible light strip with RGB light sources and 2835 white light sources in a ratio of 1: 2.
FIG. 12 is a schematic plan view of a semi-finished flexible light strip with RGB light sources and CSP white light sources in a ratio of 1: 1.
FIG. 13 is a schematic plan view of a semi-finished flexible light strip with RGB light sources and CSP white light sources in a ratio of 1: 2.
Fig. 14 is a schematic plan view of a flexible light strip with RGB light sources and 2835 white light sources in a ratio of 1: 1.
Fig. 15 is a schematic plan view of a flexible light strip with RGB light sources and 2835 white light sources in a ratio of 1: 2.
Fig. 16 is a schematic plan view of a flexible light strip with RGB light sources and CSP white light sources in a ratio of 1: 1.
FIG. 17 is a schematic plan view of a flexible light strip with 1: 2 RGB light sources and CSP white light sources.
Detailed Description
The present invention will be described in detail below by taking preferred embodiments as examples.
It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.
Example one
Manufacturing of die cutting die
The 2835LED support that contains 6 feet, the cuboid support of 2.8mmx3.5mm of design preparation respectively in wide 2.8 mm's two limits design a leg 1.1 and two metal contact 1.2, two other limits respectively design two legs 1.1, 6 total legs 1.1 and 4 metal contact 1.2.
Two, die-cut support circuit rudiment
Preparing a 0.20mm copper strip, punching the 0.20mm copper strip 1.1 into a support circuit prototype on a punch press by using a punching die, and electroplating silver on the support circuit prototype to plate a layer of silver on the surface of the copper strip.
Preparation of PPA resin
PPA resin 2.1 is injected on the copper strip by an injection mould on an injection molding machine to form a plurality of bracket cups, and the copper prototype circuit is embedded in the PPA resin.
Fourthly, 6 welding feet are made by punching the bracket
A connecting piece support containing a plurality of LED supports is manufactured by die cutting, each support is provided with 6 welding feet 1.1, and 4 testing metal contacts 1.2, two sides of 2.8mm are respectively provided with one welding foot 1.1 and two sides of 2 testing metal contacts 1.2, 3.5mm are respectively provided with two welding feet 1.1. Six metal electrodes are arranged in the support cup and are respectively connected and conducted with six welding feet at the outer bottom of the support, and four metal contacts are connected and conducted with four metal electrodes in the cup to manufacture the cup-shaped support with the welding feet on four sides (shown in figures 1, 2, 3, 4, 5 and 6).
Fifth, packaging RGB light source
Firstly, die bonding
Fixing red, green and blue chips 3.1 on three electrodes in the cup by a crystal fixing machine, fixing the red chip on one electrode at the bottom of the cup by silver glue, fixing the blue and green chips on the other two electrodes by crystal fixing glue, and baking to solidify the glue.
② bonding wires
The positive and negative electrodes of the three chips were connected to the metal electrodes of the cup bottom by welding with alloy wires 4.1, respectively, by a wire bonder (shown in fig. 7).
Thirdly, dispensing
And (5) dispensing the packaging glue 5.1 by using a dispenser in the cup, and baking to solidify the packaging glue.
Peeling material
The single RGB light source is split by a mold on a splitter to form an RGB light source with welding feet on multiple sides (shown in figures 8 and 9).
Spectroscopic detection
On the RGB clamp survey spectrometer of 2835, through four metal contacts and two weld legs of pressing from both sides and surveying two limits, these four metal contacts have communicated four weld legs on two limits of 3.5mm respectively, have also communicated the electrode of chip, press from both sides survey to select the RGB light source of a plurality of categories to divide into a plurality of boxes, remove the defective products simultaneously and make RGB light source 7.1.
Sixthly, packaging
The RGB light sources 7.1 are woven onto the packaging web with a braiding machine.
Sixth, manufacturing of lamp strip
Printing solder paste
The prepared flexible circuit board 6.1 is placed on a printer, and then solder paste is printed on the solder position of the flexible circuit board by using a special steel mesh.
② sticking sheet
Method 1
And (3) attaching the RGB light source 7.1, the 2835 white light source 7.2 and the resistor 8.1 packaged on the packaging tape to a flexible circuit board printed with solder paste by using an easy-to-pass chip mounter to prepare a flexible lamp tape semi-finished product (shown in figures 10 and 11) with the RGB light source and the 2835 white light source.
Method two
The flexible circuit board printed with the solder paste is placed on a die bonder, the CSP white light source 7.3 is preliminarily fixed on the flexible circuit board through the solder paste, and then the RGB light source 7.1 and the resistor 8.1 packaged on the packaging belt are attached to the solder paste of the flexible circuit board by an easy-to-pass chip mounter to manufacture a semi-finished product of the flexible lamp belt with the RGB light source and the CSP white light source (as shown in figures 12 and 13).
Thirdly, reflow soldering
After reflow soldering, the light source and the resistor are connected to the flexible circuit board by tin soldering, and are cut into single strips, namely the flexible lamp strip with the ratio of 1: 1 of the RGB light source and the 2835 white light source (as shown in figure 14), or the flexible lamp strip with the ratio of 1: 2 of the RGB light source and the 2835 white light source (as shown in figure 15), or the flexible lamp strip with the ratio of 1: 1 of the RGB light source and the CSP white light source (as shown in figure 16), or the flexible lamp strip with the ratio of 1: 2 of the RGB light source and the CSP white light source (as shown in figure 17) is manufactured.
The present invention has been described in detail with reference to the accompanying drawings, which illustrate specific embodiments of a light strip made of RGB light sources and white light sources. It will be understood by those skilled in the art, however, that the foregoing is illustrative and descriptive of some specific embodiments only, and not limiting as to the scope of the invention, and particularly the scope of the claims.
Claims (10)
1. A lamp area that RGB light source and white light source made includes:
RGB light source, white light source or RGB light source, white light source and control element;
a flexible circuit board;
the LED lamp strip is characterized in that the lamp strip is composed of an RGB light source, a white light source or RGB light source, a white light source, a control element and a flexible circuit board, the RGB light source is an RGB light source manufactured by respectively packaging three chips emitting red light, green light and blue light by using an LED support, the LED support is characterized by being an LED support formed by embedding metal in resin, the bottom of the LED support is provided with a side, a is more than or equal to 4 and less than or equal to 8, the support is provided with b metal welding feet, b is more than or equal to 6 and less than or equal to 16, the support is provided with c side faces, c is more than or equal to 4 and less than or equal to 8, the metal welding feet are exposed at the bottom, part or all of the metal welding feet are exposed from the side faces of the support, the welding feet exposed from the side faces of the support are distributed on d sides of the bottom, d is more than or equal to 3 and less than or equal to a, e metal contacts extend from the side faces of the support, the support is a cup-shaped support, f metal electrodes are arranged in the cup, f is more than or equal to 6 and less than or equal to 16, a part of the metal electrodes are connected with the metal welding feet to form conduction, or all the metal electrodes are connected with the metal welding feet to form conduction, three chips respectively emitting red light, green light and blue light are fixedly crystallized on the metal electrodes in the cup of the support, each chip respectively emitting red light, green light and blue light is respectively connected with the metal electrodes on the support, packaging glue is bonded in the cup of the support and seals the chips and the metal electrodes, the three chips of the RGB light source are at least connected with the welding feet exposed on 3 side faces, the white light source is a white light source or a CSP white light source manufactured by packaging the LED chips on the support, and the RGB light source, the white light source or the RGB light source, the white light source and the control element are welded on the flexible circuit board.
2. A light strip fabricated from RGB light source and white light source as claimed in claim 1, wherein the solder tails of the RGB light source are three-dimensional roll-foot solder tails, which extend from the sides of the RGB light source and are rolled onto the outer surfaces of the sides and bottom.
3. A light strip fabricated from RGB light source and white light source as claimed in claim 1, wherein the solder tails of the RGB light source are exposed at the bottom of the flat solder tails.
4. A light strip manufactured by RGB light source and white light source as claimed in claim 1, wherein the metal contacts of the RGB light source are only used for detecting the sorting light source, and the metal contacts for detection are both connected to the solder legs of the RGB light source and connected to the chip.
5. A light strip made of RGB light source and white light source as claimed in claim 1, wherein the metal contacts of the RGB light source are disposed on two opposite sides of the light source and exposed, each side has two metal contacts and a solder foot, and the metal contacts and the solder feet on the two sides are used to test the light source.
6. A light strip manufactured by RGB light source and white light source as claimed in claim 1, wherein the metal contacts of the RGB light source are disposed on one side of the light source and exposed outwards, the side with the metal contacts has both metal contacts and solder legs, or only metal contacts, and the metal contacts and solder legs on two opposite sides are used to test the light source.
7. A light strip manufactured by the RGB light source and the white light source as claimed in claim 1, wherein the red chip of the RGB light source is fixed on the metal electrode by conductive silver paste, and the blue chip and the green chip are fixed on the metal electrode by insulating paste.
8. A light strip made from RGB light sources and white light sources as claimed in claim 1, wherein the flexible circuit board is a rigid-flexible circuit board, and the rigid-flexible circuit board is formed by bonding a rigid resin on a local portion of the flexible circuit board.
9. A light strip made of RGB light source and white light source as claimed in claim 1, wherein the ratio of the number of RGB light source to the number of white light source is 1: 1.
10. A light strip made of RGB light source and white light source as claimed in claim 1, wherein the ratio of the number of RGB light source to the number of white light source is 1: 2, and the white light source is a white light source with two color temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411191.4U CN213583780U (en) | 2020-10-21 | 2020-10-21 | Lamp strip made of RGB light source and white light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411191.4U CN213583780U (en) | 2020-10-21 | 2020-10-21 | Lamp strip made of RGB light source and white light source |
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| Publication Number | Publication Date |
|---|---|
| CN213583780U true CN213583780U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022411191.4U Expired - Fee Related CN213583780U (en) | 2020-10-21 | 2020-10-21 | Lamp strip made of RGB light source and white light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103158A1 (en) * | 2021-12-07 | 2023-06-15 | 东莞市欧思科光电科技有限公司 | Led base module, led module, and led light strip |
-
2020
- 2020-10-21 CN CN202022411191.4U patent/CN213583780U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103158A1 (en) * | 2021-12-07 | 2023-06-15 | 东莞市欧思科光电科技有限公司 | Led base module, led module, and led light strip |
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