CN111463337A - High color rendering index L ED light source of red and green double-color combination - Google Patents
High color rendering index L ED light source of red and green double-color combination Download PDFInfo
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- CN111463337A CN111463337A CN201910059906.3A CN201910059906A CN111463337A CN 111463337 A CN111463337 A CN 111463337A CN 201910059906 A CN201910059906 A CN 201910059906A CN 111463337 A CN111463337 A CN 111463337A
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- Prior art keywords
- fluorescent glue
- red
- color
- green
- light
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- 238000009877 rendering Methods 0.000 title claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 60
- 108010043121 Green Fluorescent Proteins Proteins 0.000 claims abstract description 24
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010931 gold Substances 0.000 claims abstract description 8
- 229910052737 gold Inorganic materials 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers 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 having potential barriers 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
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
- H01L33/504—Elements with two or more wavelength conversion materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2933/00—Details relating to devices covered by the group H01L33/00 but not provided for in its subgroups
- H01L2933/0008—Processes
- H01L2933/0033—Processes relating to semiconductor body packages
- H01L2933/0041—Processes relating to semiconductor body packages relating to wavelength conversion elements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to a red-green double-color combined L ED light source with high color rendering index, which relates to the technical field of L ED and comprises a L ED bracket, a blue-light L ED chip, gold wires, green fluorescent glue and red fluorescent glue, wherein the blue-light L ED chip is arranged at the bottom of a bowl cup of the L ED bracket, positive and negative electrode pins in the L ED bracket are connected with the blue-light L ED chip through the gold wires, the red fluorescent glue is filled in the bowl cup of the L ED bracket, the blue-light L ED chip is embedded in the red fluorescent glue, and the green fluorescent glue is covered on the upper surface of the red fluorescent glue.
Description
Technical Field
The invention relates to the technical field of L ED, in particular to a red-green two-color combined L ED light source with high color rendering index.
Background
The light Emitting Diode (L high Emitting Diode, L ED) is a semiconductor solid light Emitting device, has unique advantages of long service life, low energy consumption and the like, and plays roles of environmental protection and energy saving, because the higher the color rendering index is, the higher the color reduction degree of an irradiated object is, the color rendering index requirement of a high-end commercial lighting market on a lighting product is gradually improved, but the color rendering index is in inverse proportion to the brightness, and the higher the color rendering index is, the lower the brightness is, the more the improvement of the brightness is solved from the optimization collocation of fluorescent powder and the improvement of the process, however, the problems of low brightness, large powder consumption and poor thermal stability exist in the conventional Ra90 fluorescent powder scheme, and the traditional red-green double-color L ED introduced by the existing lighting market needs to be combined by 2L ED light sources, so that the production cost is increased undoubtedly, and the light is not beneficial to a veneer of a lighting finished product factory, and the improvement is needed urgently.
Disclosure of Invention
Aiming at the defects and shortcomings of the prior art, the invention provides a red-green double-color combined L ED light source with high color rendering index, which has the advantages of simple structure, reasonable design and convenient use, and has the advantages of low manufacturing cost of the light source, high productivity efficiency, high adjustability of color zone assembly, beautiful lamp bead appearance, simple packaging process and stronger practicability.
In order to achieve the purpose, the LED lamp holder adopts the technical scheme that the LED lamp holder comprises an L ED support, a blue light L ED chip, gold wires, green fluorescent glue and red fluorescent glue, wherein the blue light L ED chip is arranged at the bottom of a bowl cup of the L ED support, positive and negative electrode pins in the L ED support are connected with the blue light L ED chip through the gold wires, the red fluorescent glue is filled in the bowl cup of the L ED support, the blue light L ED chips are embedded in the red fluorescent glue, and the green fluorescent glue covers the upper surface of the red fluorescent glue.
Further, the upper surface of the green fluorescent glue is flush with the upper surface of the L ED bracket.
The process of the invention comprises the following steps:
1. fixing a blue L ED chip at a planned position on an L ED bracket through die bonding glue;
2. connecting the blue L ED chip with gold wire, and connecting to the anode and cathode of L ED bracket;
3. sequentially dispensing red fluorescent glue and green fluorescent glue, and baking and forming;
4. and packaging according to the product characteristics.
Further, the specific steps of sequential dispensing in step 3 are as follows:
3.1, adopting a spraying, injecting or dispensing mode;
3.2, preparing red fluorescent glue in different proportions according to the color temperature requirement, and dispensing the red fluorescent glue into an inner cup of an L ED bracket bowl, wherein the wall of the bowl cup is made of a light-transmitting material;
3.3, after the red fluorescent glue is dried, preparing green fluorescent glue in different proportions according to the color temperature requirement, and dispensing the green fluorescent glue into the outer cup of the L ED bracket bowl (namely, covering the upper surface of the red fluorescent glue), wherein the blue light L ED chip excites the red fluorescent glue and the green fluorescent glue, so that the light emitting color of the red fluorescent glue forms high-color-rendering white light;
and 3.4, drying again and forming after dispensing of the green fluorescent glue.
Further, the drying temperature in the step 3.3 and the step 3.4 is 20 ℃ to 200 ℃.
By adopting the structure and the process, the red and green double-color combined L ED light source with high color rendering index has the advantages of low manufacturing cost, high productivity efficiency, high adjustability of color zone assembly, beautiful appearance of lamp beads, simple packaging process, stronger practicability, simple structure, reasonable arrangement, low manufacturing cost and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention.
Description of reference numerals:
l ED bracket 1, blue light L ED chip 2, gold thread 3, green fluorescent glue 4 and red fluorescent glue 5.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the technical scheme adopted by the specific embodiment is that the red fluorescent lamp comprises an L ED support 1, a blue L ED chip 2, gold wires 3, a green fluorescent glue 4 and a red fluorescent glue 5, the blue L ED chip 2 is arranged at the bottom of a bowl of the L ED support 1, positive and negative electrode pins in the L ED support 1 are connected with the blue L ED chip 2 through the gold wires 3, the red fluorescent glue 5 is filled in the bowl of the L ED support 1, the blue L ED chips 2 are embedded in the red fluorescent glue 5, the green fluorescent glue 4 covers the upper surface of the red fluorescent glue 5, and the upper surface of the green fluorescent glue 4 is flush with the upper surface of the L ED support 1.
The process of the embodiment comprises the following steps:
1. fixing blue L ED chips 2 at planned positions on an L ED support 1 through die bonding glue;
2. connecting the blue light L ED chip 2 with a gold wire 3, and communicating the blue light L ED chip with the anode and the cathode of a L ED bracket 1;
3. dispensing red fluorescent glue 5 and green fluorescent glue 4 in sequence, namely, adopting a spraying, injecting or point dispensing mode, preparing the red fluorescent glue 5 with different proportions according to the color temperature requirement, dispensing the red fluorescent glue 5 into the inner cup of the bowl cup of the L ED bracket 1, and adopting a light-transmitting material for the cup wall of the bowl cup;
4. and packaging according to the product characteristics.
After adopting above-mentioned structure and technology, this embodiment's beneficial effect does:
1. compared with the traditional red and green double-color L ED light source, the manufacturing cost is lower;
2. compared with the traditional red and green double-color L ED light source, the capacity and efficiency are higher;
3. compared with the traditional red and green double-color L ED light source, the color area combination has higher adjustability.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The red and green double-color combined high-color-rendering-index L ED light source is characterized by comprising a L ED support (1), blue light L ED chips (2), gold wires (3), green fluorescent glue (4) and red fluorescent glue (5), wherein the blue light L ED chips (2) are arranged at the bottom of a bowl cup of the L ED support (1), positive and negative electrode pins in the L ED support (1) are connected with the blue light L ED chips (2) through the gold wires (3), the red fluorescent glue (5) is filled in the bowl cup of the L ED support (1), the blue light L ED chips (2) are embedded in the red fluorescent glue (5), and the green fluorescent glue (4) covers the upper surface of the red fluorescent glue (5).
2. A red and green two-color combined high color rendering index L ED light source as claimed in claim 1, wherein the upper surface of the green fluorescent glue (4) is flush with the upper surface of the L ED bracket (1).
3. A red and green double-color combined high color rendering index L ED light source is characterized in that the working system comprises the following steps:
(1) fixing a blue L ED chip at a planned position on an L ED bracket through die bonding glue;
(2) connecting the blue light L ED chip with gold wire, and connecting to the anode and cathode of L ED bracket;
(3) sequentially dispensing red fluorescent glue and green fluorescent glue, and baking and forming;
(4) and packaging according to the product characteristics.
4. The red and green double-color combined high color rendering index L ED light source according to claim 3, wherein the specific steps of sequential dispensing in the step (3) are as follows:
(3.1) adopting a spraying, injecting or dispensing mode;
(3.2) preparing red fluorescent glue in different proportions according to the color temperature requirement, and dispensing the red fluorescent glue into an inner cup of an L ED bracket bowl, wherein the wall of the bowl is made of a light-transmitting material;
(3.3) after the red fluorescent glue is dried, preparing green fluorescent glue in different proportions according to the color temperature requirement, dispensing the green fluorescent glue into an outer cup of an L ED bracket bowl, and exciting the red fluorescent glue and the green fluorescent glue by a blue light L ED chip to enable the light emitting color of the red fluorescent glue and the green fluorescent glue to form high-color-rendering white light;
and (3.4) drying again and forming after dispensing of the green fluorescent glue.
5. The red and green two-color combined high color rendering index L ED light source as claimed in claim 4, wherein the drying temperature in the step (3.3) and the step (3.4) is 20-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059906.3A CN111463337A (en) | 2019-01-22 | 2019-01-22 | High color rendering index L ED light source of red and green double-color combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059906.3A CN111463337A (en) | 2019-01-22 | 2019-01-22 | High color rendering index L ED light source of red and green double-color combination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111463337A true CN111463337A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910059906.3A Pending CN111463337A (en) | 2019-01-22 | 2019-01-22 | High color rendering index L ED light source of red and green double-color combination |
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| Country | Link |
|---|---|
| CN (1) | CN111463337A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203746905U (en) * | 2014-02-19 | 2014-07-30 | 浙江英特来光电科技有限公司 | White-light LED structure with high color-rendering index and high luminous efficiency |
| CN105374922A (en) * | 2014-08-18 | 2016-03-02 | 首尔半导体株式会社 | Light emitting diode package and manufacturing method thereof |
| CN106558644A (en) * | 2016-11-30 | 2017-04-05 | 深圳市聚飞光电股份有限公司 | A kind of method for packing of laminated devices quantum dot LED lamp bead |
| CN207834349U (en) * | 2018-01-16 | 2018-09-07 | 漳州立达信光电子科技有限公司 | A kind of LED encapsulation structure |
-
2019
- 2019-01-22 CN CN201910059906.3A patent/CN111463337A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203746905U (en) * | 2014-02-19 | 2014-07-30 | 浙江英特来光电科技有限公司 | White-light LED structure with high color-rendering index and high luminous efficiency |
| CN105374922A (en) * | 2014-08-18 | 2016-03-02 | 首尔半导体株式会社 | Light emitting diode package and manufacturing method thereof |
| CN106558644A (en) * | 2016-11-30 | 2017-04-05 | 深圳市聚飞光电股份有限公司 | A kind of method for packing of laminated devices quantum dot LED lamp bead |
| CN207834349U (en) * | 2018-01-16 | 2018-09-07 | 漳州立达信光电子科技有限公司 | A kind of LED encapsulation structure |
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Application publication date: 20200728 |