CN204437793U - A kind of COB LED of adjustable color temperature - Google Patents
A kind of COB LED of adjustable color temperature Download PDFInfo
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- CN204437793U CN204437793U CN201520133560.4U CN201520133560U CN204437793U CN 204437793 U CN204437793 U CN 204437793U CN 201520133560 U CN201520133560 U CN 201520133560U CN 204437793 U CN204437793 U CN 204437793U
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Abstract
The utility model discloses a kind of COB LED of adjustable color temperature, comprise substrate, the mode arranged with four lines X tetra-is located at 16 luminescence units on substrate, in described luminescence unit, above first row two with secondary series below two be connected into the first lamp string, 3rd row above two and the 4th arrange below two be connected into the second lamp string, above secondary series two with first row below two be connected into the 3rd lamp string, 4th row above two and the 3rd arrange below two be connected into the 4th lamp string, four lamp connection in series-parallel and four lamp string one end are all connected to positive terminal pad, first, the other end of two lamp strings is connected to the negative terminal pad DW for controlling cool colour, and each LED of two lamp strings is provided with warm colour fluorescent glue, 3rd, the other end of four lamp strings is connected to the negative terminal pad WW for controlling warm colour, and each LED on two lamp strings is provided with cool colour fluorescent glue, regulate the size of current of DW and WW and the colour temperature of adjustable lamp, thus realize a lamp multi color temperature.
Description
Technical field
The utility model relates to LED, particularly relates to a kind of COB LED of adjustable color temperature.
Background technology
In conventional art, a COB LED only has a kind of colour temperature, if want other colour temperature, need combine and add that the COB LED of other colour temperature is carried out colour mixture and realized, but colour mixture is that finally present or a kind of single colour temperature.
Utility model content
The purpose of this utility model is the COB LED providing a kind of adjustable color temperature, can realize a lamp multi color temperature.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of COB LED of adjustable color temperature, comprise a substrate, be arranged at 16 luminescence units on substrate, also comprise a public positive terminal pad, one for controlling the negative terminal pad DW of cool colour, one for controlling the negative terminal pad WW of warm colour, the mode that described 16 luminescence units arrange with four lines X tetra-arranges, be followed successively by first row from left to right, secondary series, 3rd row arrange with the 4th, below two luminescence units above of described first row and secondary series, two luminescence units are connected into the first lamp string, below described tertial two luminescence units and the 4th above arrange, two luminescence units are connected into the second lamp string, below two luminescence units above of described secondary series and first row, two luminescence units are connected into the 3rd lamp string, two luminescence units above and tertial two luminescence units below of described 4th row are connected into the 4th lamp string, described four lamp connection in series-parallel, and four lamp string one end are all connected to public positive terminal pad, the other end of the first lamp string and the second lamp string is connected to the negative terminal pad DW for controlling cool colour, the other end of the 3rd lamp string and the 4th lamp string is connected to the negative terminal pad WW for controlling warm colour, each luminescence unit described comprises the blue-ray LED of three series connection, and each blue-ray LED on the first lamp string and the second lamp string is provided with cool colour fluorescent glue, each blue-ray LED on 3rd lamp string and the 4th lamp string is provided with warm colour fluorescent glue.
Corresponding described 16 luminescence units, described substrate is provided with 16 grooves, and the mode that described 16 grooves also arrange with four lines X tetra-arranges, an accommodating luminescence unit in each groove described, and described warm colour fluorescent glue or cool colour fluorescent glue are also arranged in corresponding groove.
Described substrate is also provided with an end to end silica gel box dam, described 16 luminescence units are all positioned at the space that this silica gel box dam surrounds, and are packaged with transparent silica gel in this space.
Described substrate is set to composite ceramic substrate.
The beneficial effects of the utility model are: adjust negative terminal pad DW for controlling cool colour with for controlling the size of current of the negative terminal pad WW of warm colour, the i.e. colour temperature of adjustable four lamp string, thus the COB LED of the utility model adjustable color temperature can realize a lamp multi color temperature, and four luminescence units comprised due to each lamp string are positioned in different lines, thus make in 16 luminescence units, the fluorescent glue be arranged at above each row luminescence unit on two is not homochromy with the fluorescent glue be arranged at below same column luminescence unit on two, the fluorescent glue be arranged on adjacent two row luminescence units is also not homochromy, thus cool colour fluorescent glue and warm colour fluorescent glue are arranged alternately up and down, so, the colour temperature of whole lamp is mixed more even.
Accompanying drawing explanation
Fig. 1 is the COB LED overall schematic of the utility model adjustable color temperature;
Fig. 2 is the COB LED generalized section of the utility model adjustable color temperature;
Fig. 3 is the overall circuit schematic layout pattern of COB LED of the utility model adjustable color temperature.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, 2, shown in 3, the COB LED of this practical adjustable color temperature comprises a substrate 1, be arranged at 16 luminescence units 2 on substrate 1, also comprise a public positive terminal pad 3, one for controlling the negative terminal pad DW4 of cool colour, one for controlling the negative terminal pad WW5 of warm colour, the mode that described 16 luminescence units 2 arrange with four lines X tetra-arranges, be followed successively by first row from left to right, secondary series, 3rd row arrange with the 4th, below two luminescence units 2 above of described first row and secondary series, two luminescence units 2 are connected into the first lamp string 6, below described tertial two luminescence units 2 and the 4th above arrange, two luminescence units 2 are connected into the second lamp string 7, below two luminescence units 2 above of described secondary series and first row, two luminescence units 2 are connected into the 3rd lamp string 8, two luminescence units 2 above of described 4th row are connected into the 4th lamp string 9 with tertial two luminescence units 2 below, described four lamp strings 6, 7, 8, 9 is in parallel, and four lamp string one end are all connected to public positive terminal pad 3, the other end of the first lamp string 6 and the second lamp string 7 is connected to the negative terminal pad DW4 for controlling cool colour, the other end of the 3rd lamp string 8 and the 4th lamp string 9 is connected to the negative terminal pad WW5 for controlling warm colour, each luminescence unit 2 described comprises the blue-ray LED 21 of three series connection, and each blue-ray LED on the first lamp string 6 and the second lamp string 7 is provided with cool colour fluorescent glue, each blue-ray LED on 3rd lamp string 8 and the 4th lamp string 9 is provided with warm colour fluorescent glue.Thus adjustment for the negative terminal pad DW4 that controls cool colour with for controlling the size of current of the negative terminal pad WW5 of warm colour, the i.e. colour temperature of adjustable four lamp string, thus the COB LED of the utility model adjustable color temperature can realize a lamp multi color temperature, and four luminescence units 2 comprised due to each lamp string are positioned in different lines, thus make in 16 luminescence units 2, above in each row luminescence unit 2, two is not homochromy with two are gone up the fluorescent glues arranged below, the fluorescent glue that adjacent two row luminescence units 2 are arranged also is not homochromy, in the present embodiment, above first row luminescence unit, two are provided with cool colour fluorescent glue, two are provided with warm colour fluorescent glue below, secondary series is contrary with first row, 3rd row are identical with first row, 4th row are identical with secondary series, cool colour fluorescent glue like this and warm colour fluorescent glue are arranged alternately up and down, thus it is more even to make the colour temperature of whole lamp mix.。
In the present embodiment, corresponding described 16 luminescence units 2, described substrate 1 is provided with 16 grooves 11, and the mode that described 16 grooves 11 also arrange with four lines X tetra-arranges, an accommodating luminescence unit 2 in each groove 11 described, and described warm colour fluorescent glue or cool colour fluorescent glue are also arranged in corresponding groove 11.Specifically, after a luminescence unit 2 is placed in a groove 11, the warm colour fluorescent glue that embedding is corresponding in this groove 11 or cool colour fluorescent glue.The setting of groove 11, make the location of each luminescence unit 2 convenient, and embedding fluorescent glue is also more convenient.
In the present embodiment, described substrate 1 is also provided with an end to end silica gel box dam 10, described 16 luminescence units 2 are all positioned at the space that this silica gel box dam 10 surrounds, and are packaged with transparent silica gel 101 in this space.Specifically, after the good fluorescent glue of each groove 11 embedding, then toward embedding transparent silica gel 101 in the space that silica gel box dam 10 surrounds, thus reach the object sealing fixing and waterproof.
In the present embodiment, described substrate 1 is set to composite ceramic substrate, and preferably, for high temperature resistant BT material adds 96% aluminium oxide ceramic substrate, ceramic substrate has excellent insulating properties and stability.
As above describe, orientation defines according to Fig. 1 up and down.
Claims (4)
1. the COB LED of an adjustable color temperature, it is characterized in that: comprise a substrate, be arranged at 16 luminescence units on substrate, also comprise a public positive terminal pad, one for controlling the negative terminal pad DW of cool colour, one for controlling the negative terminal pad WW of warm colour, the mode that described 16 luminescence units arrange with four lines X tetra-arranges, be followed successively by first row from left to right, secondary series, 3rd row arrange with the 4th, below two luminescence units above of described first row and secondary series, two luminescence units are connected into the first lamp string, below described tertial two luminescence units and the 4th above arrange, two luminescence units are connected into the second lamp string, below two luminescence units above of described secondary series and first row, two luminescence units are connected into the 3rd lamp string, two luminescence units above and tertial two luminescence units below of described 4th row are connected into the 4th lamp string, described four lamp connection in series-parallel, and four lamp string one end are all connected to public positive terminal pad, the other end of the first lamp string and the second lamp string is connected to the negative terminal pad DW for controlling cool colour, the other end of the 3rd lamp string and the 4th lamp string is connected to the negative terminal pad WW for controlling warm colour, each luminescence unit described comprises the blue-ray LED of three series connection, and each blue-ray LED on the first lamp string and the second lamp string is provided with cool colour fluorescent glue, each blue-ray LED on 3rd lamp string and the 4th lamp string is provided with warm colour fluorescent glue.
2. the COB LED of adjustable color temperature according to claim 1, it is characterized in that: corresponding described 16 luminescence units, described substrate is provided with 16 grooves, and the mode that described 16 grooves also arrange with four lines X tetra-arranges, an accommodating luminescence unit in each groove described, and described warm colour fluorescent glue or cool colour fluorescent glue are also arranged in corresponding groove.
3. the COB LED of adjustable color temperature according to claim 2, it is characterized in that: described substrate is also provided with an end to end silica gel box dam, described 16 luminescence units are all positioned at the space that this silica gel box dam surrounds, and are packaged with transparent silica gel in this space.
4. the COB LED of adjustable color temperature according to claim 1, is characterized in that: described substrate is set to composite ceramic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133560.4U CN204437793U (en) | 2015-03-10 | 2015-03-10 | A kind of COB LED of adjustable color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520133560.4U CN204437793U (en) | 2015-03-10 | 2015-03-10 | A kind of COB LED of adjustable color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437793U true CN204437793U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520133560.4U Expired - Fee Related CN204437793U (en) | 2015-03-10 | 2015-03-10 | A kind of COB LED of adjustable color temperature |
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| Country | Link |
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| CN (1) | CN204437793U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042386A (en) * | 2015-08-27 | 2015-11-11 | 安徽世纪金元光电有限公司 | Intelligent full-color temperature COB (Chip-on-Board) light source flat lamp |
| CN106097907A (en) * | 2016-07-30 | 2016-11-09 | 深圳浩翔光电技术有限公司 | A kind of waterproof and dustproof COB lamp bar screen for LED display |
| CN108565325A (en) * | 2018-02-01 | 2018-09-21 | 广州硅能照明有限公司 | COB substrate |
| CN109714860A (en) * | 2019-01-25 | 2019-05-03 | 佛山市中昊光电科技有限公司 | A kind of adjustable color temperature light source module group |
-
2015
- 2015-03-10 CN CN201520133560.4U patent/CN204437793U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042386A (en) * | 2015-08-27 | 2015-11-11 | 安徽世纪金元光电有限公司 | Intelligent full-color temperature COB (Chip-on-Board) light source flat lamp |
| CN105042386B (en) * | 2015-08-27 | 2017-10-13 | 安徽世纪金元光电有限公司 | A kind of panchromatic temperature COB light source flat lamp of intelligence |
| CN106097907A (en) * | 2016-07-30 | 2016-11-09 | 深圳浩翔光电技术有限公司 | A kind of waterproof and dustproof COB lamp bar screen for LED display |
| CN108565325A (en) * | 2018-02-01 | 2018-09-21 | 广州硅能照明有限公司 | COB substrate |
| CN109714860A (en) * | 2019-01-25 | 2019-05-03 | 佛山市中昊光电科技有限公司 | A kind of adjustable color temperature light source module group |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20200310 |