CN204088306U - A kind of white light LEDs module - Google Patents
A kind of white light LEDs module Download PDFInfo
- Publication number
- CN204088306U CN204088306U CN201420023380.6U CN201420023380U CN204088306U CN 204088306 U CN204088306 U CN 204088306U CN 201420023380 U CN201420023380 U CN 201420023380U CN 204088306 U CN204088306 U CN 204088306U
- Authority
- CN
- China
- Prior art keywords
- film
- led chip
- light
- blue
- emitting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Led Device Packages (AREA)
Abstract
The utility model relates to a kind of white light LEDs module, it comprises at least one blue-light LED chip, it is characterized in that, at least one in emitting red light film, green emitting film and hyaline membrane is provided with on the surface at blue-light LED chip, wherein, emitting red light film, green emitting film and/or hyaline membrane are arranged in the exiting surface side of white light LEDs module according to layering and/or subregional mode.The utility model applies the film of one deck containing red fluorescence powder at blue-light LED chip surface certain area, to replace red LED chip, the film of one deck containing green emitting phosphor is applied in another region, blue-light LED chip surface, to replace green LED chip, the film of layer of transparent is finally directly applied in the region that blue-light LED chip surface is remaining, reach and work under equivalent environment, increase consistency, life-span also increases to some extent, and use three kinds of luminescent film to be arranged on chip surface, in the process making luminescent film, concaveconvex shape can be made in its surface, decrease the total reflection of light, increase light extraction efficiency.
Description
Technical field
The utility model relates to LED illumination field, particularly relates to a kind of white light LEDs module.
Background technology
In recent years, white light LEDs development rapidly, with advantages such as its energy-saving and environmental protection, life-span length, will occupy whole market gradually, be called as 21 century a new generation's light source.RGB LED three-color light-emitting chip remains the first-selected backlight type of some advanced liquid crystal displays at present, so price point is also natural.Because the chromaticness index CQS of RGB LED is high, colour fidelity is high, and the many enterprises in present Taiwan chromaticness index CQS weighs the quality of chip, instead of weighs with color rendering index CRI.
At present, people usually adopt redness, green and blue three kinds of LED chips to be packaged together and make white light LEDs, are the Chinese patent of CN102418869A if application publication number is CN103187410A and application publication number.But the substrate epitaxial material used due to red LED chips, green LED chip and blue LED die is different, therefore at voltage, heat radiation, each side such as life-span are different.Therefore, as long as red, the green and blue three kinds of LED chips of employing are packaged together, the RGB LED made in use has the dead lamp of a LEDs chip that whole lamp will be caused to lose efficacy, and this situation substantially reduces its useful life.
In addition, RGB LED uses three primary colors to be in harmonious proportion and produces white backlight, in engineering, just has to consider voltage, the color offset of generation that curent change causes, also needs the impact after considering RGB LED complete failure or partial failure etc. problem.
Utility model content
For the problems referred to above, the utility model provides a kind of white light LEDs module.
The utility model discloses a kind of white light LEDs module, it comprises at least one blue-light LED chip, it is characterized in that, at least one in emitting red light film, green emitting film and hyaline membrane is provided with on the surface at described blue-light LED chip, wherein, described emitting red light film, described green emitting film and/or described hyaline membrane are arranged in the exiting surface side of described white light LEDs module according to layering and/or subregional mode.
According to one preferred embodiment, described blue-light LED chip surface is at least divided into three regions, and described emitting red light film, described green emitting film and described hyaline membrane are alternately disposed in the zones of different on described blue-light LED chip surface.
According to one preferred embodiment, described emitting red light film, described green emitting film and described hyaline membrane are alternately disposed at described blue-light LED chip on the surface by cellular arrangement.
According to one preferred embodiment, described blue-light LED chip on the surface for arranging described emitting red light film, the size in described green emitting film and described hyaline membrane region determines according to the chromaticity coordinates of required colour temperature.
According to one preferred embodiment, described emitting red light film and the layering of described green emitting film are arranged at described blue-light LED chip on the surface.
According to one preferred embodiment, described emitting red light film is arranged on the surface of described blue-light LED chip, described green emitting film is arranged on the surface of described emitting red light film, and the thickness of described green emitting film and described emitting red light film determines according to the chromaticity coordinates of required colour temperature.
According to one preferred embodiment, described green emitting film is arranged on the surface of described blue-light LED chip, described emitting red light film is arranged on the surface of described green emitting film, and the thickness of described green emitting film and described emitting red light film determines according to the chromaticity coordinates of required colour temperature.
According to one preferred embodiment, described white light LEDs module comprises many identical wave bands be packaged together, identical voltages, the blue-light LED chip of different brightness, is individually provided with described emitting red light film, described green emitting film and described hyaline membrane on the surface at adjacent three described blue-light LED chips.
According to one preferred embodiment, described emitting red light film is formed by the epoxy resin or silica gel that are mixed with red fluorescence powder; Described green emitting film is formed by the epoxy resin or silica gel that are mixed with green emitting phosphor; Described hyaline membrane is formed by transparent epoxy resin or silica gel.
According to one preferred embodiment, in described emitting red light film and described green emitting film, the concentration of red fluorescence powder and green emitting phosphor determines according to the chromaticity coordinates of required colour temperature.
According to one preferred embodiment, described emitting red light film, described green emitting film and described hyaline membrane all have and comprise wavy or jagged rough surface texture.
According to one preferred embodiment, described blue-light LED chip is common blue-light LED chip or high pressure blue-light LED chip, and described blue-light LED chip is the LED chip of horizontal structure or the LED chip of inverted structure.
The beneficial effects of the utility model are:
1. the utility model by emitting red light film, green emitting film and hyaline membrane subregion or/and be stratified and set on blue-light LED chip surface, and can according to the size of the chromaticity coordinates determination emitting red light film of required colour temperature, green emitting film and each comfortable blue-light LED chip of hyaline membrane area occupied on the surface, thus obtaining the ruddiness of certain brightness ratio, green glow and blue light, these have the white light that the ruddiness of certain brightness ratio, green glow and blue light just can obtain corresponding colour temperature;
2. the luminescent film of red, green two kinds of colors is stratified and set on blue-light LED chip by the utility model in certain sequence, because different colours layer can absorb different light rays, energy attenuation situation is also different, so can sort according to different color layers, produces different white lights;
3, emitting red light film, green emitting film and hyaline membrane are alternately disposed at blue-light LED chip on the surface by cellular arrangement by the utility model, the luminescent film of different colours is set in adjacent three hexagons of honeycomb respectively, red honeycomb lattice side is doomed have a transparent grid and green lattice, send the light of three kinds of colors in so adjacent three hexagons, mixing sends white light.Such structure uniform in light emission, effective.
4, the utility model emitting red light film, green emitting film and hyaline membrane have and comprise wavy, jagged rough surface texture, can reduce the total reflection of light, add light extraction efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of the first preferred implementation of the utility model;
Fig. 2 is the vertical view of the first preferred implementation of the utility model;
Fig. 3 is the first preferred implementation of the utility model encapsulation schematic diagram;
Fig. 4 is the vertical view of the utility model the second preferred implementation;
Fig. 5 is the utility model the second preferred implementation encapsulation schematic diagram;
Fig. 6 is the cellular arrangement schematic diagram of the utility model emitting red light film, green emitting film and hyaline membrane;
The schematic diagram that Fig. 7, Fig. 8 are the utility model emitting red light films, the layering of green emitting film is arranged;
Fig. 9 is the encapsulation schematic diagram of the another kind of preferred implementation of the utility model;
Figure 10, Figure 11 are the schematic diagrames that the utility model arranges emitting red light film, green emitting film and hyaline membrane.
Reference numerals list
100: white light LEDs module
101: blue-light LED chip 102: emitting red light film 103: green emitting film
104: hyaline membrane
201:LED chip electrode 202: hand-hole
Embodiment
The utility model is illustrated below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 are front view and the vertical view of the first preferred implementation of the utility model.Fig. 1, Fig. 2 show a kind of white light LEDs module 100, and the zones of different on blue-light LED chip 101 surface is provided with emitting red light film 102, green emitting film 103 and hyaline membrane 104.When lighting blue-light LED chip, correspondingly will send ruddiness, green glow and blue light in the region being provided with emitting red light film 102, green emitting film 103 and hyaline membrane 104, the light of these three kinds of colors mixes mutually and will produce white light.Can be divided into three regions on this blue-light LED chip 101 surface, emitting red light film 102, green emitting film 103 and hyaline membrane 104 are alternately disposed in the zones of different on blue-light LED chip 101 surface.Finally this blue-light LED chip is encapsulated, forms white light LEDs module 100, as shown in Figure 3.On same blue-light LED chip, zones of different arranges emitting red light film and green emitting film in order to replace red LED chips and green LED chip respectively, can reach LED chip and work under equivalent environment, and increase consistency, the life-span also increases to some extent.
As shown in Figure 4, the brightness ratio of the ruddiness also many blue-light LED chip surfaces arranged together can determined according to the chromaticity coordinates of required colour temperature, green glow, blue light is divided into three regions varied in size, and emitting red light film 102, green emitting film 103 and hyaline membrane 104 are alternately disposed in corresponding region.Finally these blue-light LED chips arranged together are encapsulated together, form white light LEDs module 100, as shown in Figure 5.
Emitting red light film 102, green emitting film 103 and hyaline membrane 104 also can be alternately disposed at blue-light LED chip 101 on the surface by cellular arrangement.As shown in Figure 6.
Honeycomb is designed by the glue-line be encapsulated on LED chip, the packaging plastic of different colours is poured into respectively in adjacent three hexagons, like this, red honeycomb lattice side is doomed have a transparent grid and green lattice, the light of three kinds of colors is sent in so adjacent three hexagons, mixing sends white light, such structure uniform in light emission, effective.
Emitting red light film 102 and green emitting film 103 also can be stratified and set on blue-light LED chip 101 on the surface.Emitting red light film 102 and green emitting film 103 are stratified and set on blue-light LED chip 101 according to a definite sequence, because different colours layer can absorb different light rays, energy attenuation situation is also different, when layering arranges luminescent film, different color layers sequences, different white lights can be produced, thus form different white light LEDs.So, first emitting red light film 102 can be arranged at blue-light LED chip 101 on the surface, then green emitting film 103 is arranged at emitting red light film 102 on the surface.As shown in Figure 7.Also first green emitting film 103 can be arranged at blue-light LED chip 101 on the surface, then emitting red light film 102 is arranged at green emitting film 103 on the surface.As shown in Figure 8.The thickness of green emitting film 103 and emitting red light film 102 determines according to the chromaticity coordinates of required colour temperature.
Fig. 9 is the encapsulation schematic diagram of the another kind of preferred implementation of the utility model.Many the identical wave bands be packaged together, identical voltages, the blue-light LED chip 101 of different brightness, is individually provided with emitting red light film 102, green emitting film 103 and hyaline membrane 104 on the surface at adjacent three blue-light LED chips 101.As arranged emitting red light film on a blue LED die surface, to replace red LED chips, green emitting film being set on second blue LED die surface, to replace green LED chip, finally on the 3rd blue LED die surface, directly hyaline membrane being set.Finally be packaged together by three chips, mixing emits white light.Reach LED chip to work under equivalent environment, increase consistency, the life-span also increases to some extent.
Emitting red light film 102 is that the epoxy resin or silica gel that are mixed with red fluorescence powder are passed through some glue or be sprayed on blue-light LED chip 101 to be formed on the surface.Green emitting film 103 is that the epoxy resin or silica gel that are mixed with green emitting phosphor are passed through some glue or be sprayed on blue-light LED chip 101 to be formed on the surface.Hyaline membrane 104 by transparent epoxy resin or silica gel directly by some glue or be sprayed on that blue-light LED chip 101 formed on the surface.
At blue-light LED chip 101 on the surface for arranging emitting red light film 102, the size in green emitting film 103 and hyaline membrane 104 region determines according to the chromaticity coordinates of required colour temperature.In emitting red light film 102 and green emitting film 103, the concentration of red fluorescence powder and green emitting phosphor is also determine according to the chromaticity coordinates of required colour temperature.Such as wanting to be fitted on colour temperature is 5700K, chromaticity coordinates is 0.33, the white light of 0.33,3:6:1 with regard to needing the brightness ratio of ruddiness, green glow, blue light, so just blue-light LED chip surf zone 3:6:1 be can be divided into, on the region of correspondence, emitting red light film, green emitting film and hyaline membrane be formed respectively.
Emitting red light film 102, green emitting film 103 and hyaline membrane 104 have the rough surface texture comprising wavy, zigzag etc.Concaveconvex shape is made on luminescent film surface, the total reflection of light can be reduced, add light extraction efficiency.
Blue-light LED chip 101 can be normal blue light LED chip or high pressure blue-light LED chip.Blue-light LED chip 101 can be the LED chip of horizontal structure or the LED chip of inverted structure.
White light LEDs module 100 of the present utility model can be prepared according to following processing step:
1. select suitable blue-light LED chip;
Blue-light LED chip is common blue-light LED chip or high pressure blue-light LED chip, and blue-light LED chip is the LED chip of horizontal structure or the LED chip of inverted structure.
2. to emit white light principle according to RGB mixing, determine its RGB tri-kinds of colors size of area occupied, brightness ratio of RGB on blue-light LED chip, and red fluorescence powder, green emitting phosphor proportioning consumption;
3. emitting red light film, green emitting film and hyaline membrane are set on blue-light LED chip by the mode of a glue or coating;
The blue-light LED chip of horizontal structure, adopts gluing process, as shown in Figure 10, Figure 11.The blue-light LED chip of horizontal structure is positioned in mould, this mould has upper and lower two clamping plate, LED chip placed by lower plate, there are two to extend rod in train wheel bridge LED chip electrode corresponding position, be used for covering LED chip electrode 201, do not covered by colloid with guard electrode, be convenient to follow-up bonding wire, train wheel bridge surface is made uneven, to reduce the total reflection of light, add light extraction efficiency, then after fixing, slowly inject three kinds respectively by three hand-holes 202 and add the mixed colloid of powder, after roasted, the luminescent film needed for one deck has just been sticked on the LED chip surface of taking out respectively.The blue-light LED chip of same inverted structure also can be adopted and arrange luminescent film in this way.
The blue-light LED chip of inverted structure, adopts surface spray coating process, sprays, and then cut into single chips, realized surface-coated equally before monoblock wafer is not cut to all wafers.The blue-light LED chip of same horizontal structure also can be adopted and arrange luminescent film in this way.
4. single or many blue-light LED chips are packaged together, make it mix and emit white light, form white light LEDs module.
The beneficial effects of the utility model are:
1. the utility model by emitting red light film, green emitting film and hyaline membrane subregion or/and be stratified and set on blue-light LED chip surface, and can according to the size of the chromaticity coordinates determination emitting red light film of required colour temperature, green emitting film and each comfortable blue-light LED chip of hyaline membrane area occupied on the surface, thus obtaining the ruddiness of certain brightness ratio, green glow and blue light, these have the white light that the ruddiness of certain brightness ratio, green glow and blue light just can obtain corresponding colour temperature;
2. the luminescent film of red, green two kinds of colors is stratified and set on blue-light LED chip by the utility model in certain sequence, because different colours layer can absorb different light rays, energy attenuation situation is also different, so can sort according to different color layers, produces different white lights;
3, emitting red light film, green emitting film and hyaline membrane are alternately disposed at blue-light LED chip on the surface by cellular arrangement by the utility model, the luminescent film of different colours is set in adjacent three hexagons of honeycomb respectively, red honeycomb lattice side is doomed have a transparent grid and green lattice, send the light of three kinds of colors in so adjacent three hexagons, mixing sends white light.Such structure uniform in light emission, effective.
4, the utility model emitting red light film, green emitting film and hyaline membrane have and comprise wavy, jagged rough surface texture, can reduce the total reflection of light, add light extraction efficiency.
It should be noted that; above-mentioned specific embodiment is exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion drops in protection range of the present utility model.It will be understood by those skilled in the art that specific descriptions are above to explain the purpose of this utility model, not for limiting the utility model.Protection range of the present utility model is by claim and equivalents thereof.
Claims (10)
1. a white light LEDs module (100), it comprises at least one blue-light LED chip (101), it is characterized in that, at least one in emitting red light film (102), green emitting film (103) and hyaline membrane (104) is provided with on the surface at described blue-light LED chip (101), wherein, described emitting red light film (102), described green emitting film (103) and/or described hyaline membrane (104) are arranged in the exiting surface side of described white light LEDs module (100) according to layering and/or subregional mode.
2. white light LEDs module (100) according to claim 1, it is characterized in that, described blue-light LED chip (101) surface is at least divided into three regions, and described emitting red light film (102), described green emitting film (103) and described hyaline membrane (104) are alternately disposed in the zones of different on described blue-light LED chip (101) surface.
3. white light LEDs module (100) according to claim 2, it is characterized in that, described emitting red light film (102), described green emitting film (103) and described hyaline membrane (104) are alternately disposed at described blue-light LED chip (101) on the surface by cellular arrangement.
4. white light LEDs module (100) according to claim 3, it is characterized in that, described blue-light LED chip (101) on the surface for arranging described emitting red light film (102), the size in described green emitting film (103) and described hyaline membrane (104) region determines according to the chromaticity coordinates of required colour temperature.
5. white light LEDs module (100) according to claim 1, it is characterized in that, described emitting red light film (102) and described green emitting film (103) layering are arranged at described blue-light LED chip (101) on the surface.
6. white light LEDs module (100) according to claim 5, it is characterized in that, described emitting red light film (102) is arranged on the surface of described blue-light LED chip (101), described green emitting film (103) is arranged on the surface of described emitting red light film (102), and the thickness of described green emitting film (103) and described emitting red light film (102) determines according to the chromaticity coordinates of required colour temperature.
7. white light LEDs module (100) according to claim 5, it is characterized in that, described green emitting film (103) is arranged on the surface of described blue-light LED chip (101), described emitting red light film (102) is arranged on the surface of described green emitting film (103), and the thickness of described green emitting film (103) and described emitting red light film (102) determines according to the chromaticity coordinates of required colour temperature.
8. white light LEDs module (100) according to claim 1, it is characterized in that, described white light LEDs module (100) comprises many identical wave bands be packaged together, identical voltages, the blue-light LED chip (101) of different brightness
Described emitting red light film (102), described green emitting film (103) and described hyaline membrane (104) is individually provided with on the surface adjacent three described blue-light LED chips (101).
9. according to the white light LEDs module (100) one of claim 1 to 8 Suo Shu, it is characterized in that, described emitting red light film (102), described green emitting film (103) and described hyaline membrane (104) all have and comprise wavy or jagged rough surface texture.
10. according to the white light LEDs module (100) one of claim 1 to 8 Suo Shu, it is characterized in that, described blue-light LED chip (101) is common blue-light LED chip or high pressure blue-light LED chip,
The LED chip that described blue-light LED chip (101) is horizontal structure or the LED chip of inverted structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023380.6U CN204088306U (en) | 2014-01-15 | 2014-01-15 | A kind of white light LEDs module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023380.6U CN204088306U (en) | 2014-01-15 | 2014-01-15 | A kind of white light LEDs module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088306U true CN204088306U (en) | 2015-01-07 |
Family
ID=52180986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023380.6U Expired - Fee Related CN204088306U (en) | 2014-01-15 | 2014-01-15 | A kind of white light LEDs module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088306U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288663A (en) * | 2018-01-30 | 2018-07-17 | 扬州乾照光电有限公司 | A kind of LED chip display module and production method |
| CN109713005A (en) * | 2019-02-15 | 2019-05-03 | 易美芯光（北京）科技有限公司 | A kind of technique implementation of white light Micro LED structure |
| CN109791968A (en) * | 2016-07-26 | 2019-05-21 | 克利公司 | Light emitting diode, component and correlation technique |
| CN109860378A (en) * | 2018-12-25 | 2019-06-07 | 广东晶科电子股份有限公司 | A kind of white light LED part and preparation method thereof |
| US11024785B2 (en) | 2018-05-25 | 2021-06-01 | Creeled, Inc. | Light-emitting diode packages |
| US11101411B2 (en) | 2019-06-26 | 2021-08-24 | Creeled, Inc. | Solid-state light emitting devices including light emitting diodes in package structures |
| US11233183B2 (en) | 2018-08-31 | 2022-01-25 | Creeled, Inc. | Light-emitting diodes, light-emitting diode arrays and related devices |
| US11335833B2 (en) | 2018-08-31 | 2022-05-17 | Creeled, Inc. | Light-emitting diodes, light-emitting diode arrays and related devices |
-
2014
- 2014-01-15 CN CN201420023380.6U patent/CN204088306U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109791968A (en) * | 2016-07-26 | 2019-05-21 | 克利公司 | Light emitting diode, component and correlation technique |
| CN108288663A (en) * | 2018-01-30 | 2018-07-17 | 扬州乾照光电有限公司 | A kind of LED chip display module and production method |
| US11024785B2 (en) | 2018-05-25 | 2021-06-01 | Creeled, Inc. | Light-emitting diode packages |
| US11121298B2 (en) | 2018-05-25 | 2021-09-14 | Creeled, Inc. | Light-emitting diode packages with individually controllable light-emitting diode chips |
| US11233183B2 (en) | 2018-08-31 | 2022-01-25 | Creeled, Inc. | Light-emitting diodes, light-emitting diode arrays and related devices |
| US11335833B2 (en) | 2018-08-31 | 2022-05-17 | Creeled, Inc. | Light-emitting diodes, light-emitting diode arrays and related devices |
| CN109860378A (en) * | 2018-12-25 | 2019-06-07 | 广东晶科电子股份有限公司 | A kind of white light LED part and preparation method thereof |
| CN109860378B (en) * | 2018-12-25 | 2024-05-10 | 广东晶科电子股份有限公司 | White light LED device and manufacturing method thereof |
| CN109713005A (en) * | 2019-02-15 | 2019-05-03 | 易美芯光（北京）科技有限公司 | A kind of technique implementation of white light Micro LED structure |
| US11101411B2 (en) | 2019-06-26 | 2021-08-24 | Creeled, Inc. | Solid-state light emitting devices including light emitting diodes in package structures |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204088306U (en) | A kind of white light LEDs module | |
| CN101915369A (en) | LED white light source module | |
| CN101661987A (en) | White light LED packaging structure and packaging method thereof | |
| CN101093068A (en) | White light parts, and fabricating method | |
| TW201010125A (en) | White light light-emitting diodes | |
| TW201320406A (en) | Improved white LED packaging structure for improving light mixing effect | |
| CN103050615A (en) | High-color-rendering white light LED (light emitting diode) device | |
| CN102646674A (en) | Light-emitting device of white-light LED (light-emitting diode) | |
| CN203351659U (en) | Adjustable color temperature COB light source module | |
| CN203068300U (en) | Backlight source of liquid crystal display (LCD) | |
| CN202598261U (en) | High-light high color rendering index (CRI) warm white light light-emitting diode (LED) lamp and LED module | |
| CN202712264U (en) | Light emitting diode | |
| CN105789416B (en) | A kind of layer stereo grid luminescent layer preparation process and LED light emitting device | |
| CN105042363B (en) | A kind of four primary LED light source | |
| CN103456871A (en) | Fluorescent powder coating structure for improving uniformity of pc-LEDs spatial photochromism | |
| CN102709280A (en) | Chip on board (COB) integrated light source module | |
| CN203690296U (en) | High power RGBW cross color mixing COB integrated packaging structure | |
| CN101968169A (en) | Warm white LED lamp with high brightness and high color rendering index | |
| CN102569558A (en) | Packaging method for realizing separation of fluorescent powder glue away from coating in light emitting diode (LED) package and application | |
| CN204189795U (en) | Arc MCOB LED encapsulation structure | |
| CN204829359U (en) | Four primary colours LED light sources | |
| CN202678308U (en) | COB integrated optical source module | |
| CN202546429U (en) | LED (Light Emitting Diode) bulb | |
| CN204375749U (en) | A kind of slimming RGBW four-in-one light emitting diode construction | |
| CN102261582A (en) | Single-packaged light-emitting diode light source capable of improving colour rendering of output colours |
Legal Events
| 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: 20150107 Termination date: 20190115 |