CN102321371A - Preparation method of high-power white light LED (light emitting diode) silica gel lens - Google Patents
Preparation method of high-power white light LED (light emitting diode) silica gel lens Download PDFInfo
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- CN102321371A CN102321371A CN 201110187996 CN201110187996A CN102321371A CN 102321371 A CN102321371 A CN 102321371A CN 201110187996 CN201110187996 CN 201110187996 CN 201110187996 A CN201110187996 A CN 201110187996A CN 102321371 A CN102321371 A CN 102321371A
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Abstract
The invention discloses a preparation method of a high-power white light LED (light emitting diode) silica gel lens, which comprises the following steps: mixing fluorescent powder emitting white light and an organosilicon liquid, evenly mixing, injecting the mixture into a die, heating at 70-120 DEG C for 0.5-1 hours, and heating at 120-180 DEG C for 1-5 hours; and releasing the formed body out of the die to obtain the high-power white light LED silica gel lens. The preparation method can radically change the current technical mode for producing white light LEDs, does not need the techniques of fluorescent powder dispensation and baking, can enhance the production efficiency, and can effectively enhance the productive capacity; and the invention thoroughly solves the problem of fluorescent powder precipitation in the current technique, can enhance the production precision controllability and product quality consistency, and improves the uniformity and softness of the light emitted by the white light LED light source, thereby adapting to the new development of interior illumination.
Description
Technical field
The present invention relates to a kind of preparation method of large power white light LED lens.
Background technology
Semiconductor light-emitting-diode (LED) illumination is considered to one of high-tech sector of tool development prospect of 21 century, and it also will be for promoting energy-saving and emission-reduction, setting up conservation-minded society and make major contribution when causing the illumination revolution.
1W and 3W large power white light LED adopt the integral form of support loam cake PC lens mostly at present, and lens inside then comprises chip, is close to the fluorescent material and the outer joint sealant of fluorescent material of chip.Adopt blue chip, the collocation yellow fluorescent powder obtains the white light on the physiological vision.As applying of the fluorescent material of one of key that produces white light, be after fluorescent material is sneaked into liquid glue, drip on chip surface, the reheat solidified glue is with the position of fixed fluorescent powder on solid space.
But this mode; But the glue of mixed fluorescent powder is in flow state before curing; The fluorescent material of solid particulate form is slowly sedimentation of meeting in glue, causes distribution of color broad in the white light LEDs production, production control encapsulating ubiquity in the enterprise mostly than difficult problem.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of preparation method of large power white light LED silica-gel lens is provided.
The preparation method of large power white light LED silica-gel lens of the present invention, its step is following:
The fluorescent material and the organosilicon liquid that (1) will produce white light are pressed mass ratio 1～50:99～50 mixing, and mould is injected in the back that stirs, and at 70～120 ℃ of heating 0.5～1h, heats 1～5h at 120～180 ℃ more earlier;
(2) with formed body demoulding from mould, obtain the large power white light LED silica-gel lens.
Above-mentioned fluorescent material can be in aluminate, silicate, nitride and the oxynitride one or more.The kind of fluorescent material and proportioning can require to adjust according to the color and the colour temperature of white light LEDs;
Mold shape can design, adjust according to the light intensity and the rising angle of LED product.
Compared with prior art, the invention has the beneficial effects as follows:
Adopt preparation method of the present invention, can fundamentally change the technology pattern that current white light LEDs is produced, need not fluorescent material point glue and baking process, can increase production efficiency, effectively improve production capacity; Thoroughly solved the settled problem of fluorescent material in the current technology; Can improve the precision controllability and the quality product consistence of production; Also can improve white LED light source and go out uniformity of light and soften; The lens that include fluorescent material of the present invention's preparation are used to prepare led light source, can obtain light spatial distribution effect more uniformly.
Embodiment
Below further present invention is described through instance.
Embodiment 1
(1) aluminate fluorescent powder YAG-04 (production of American I ntermatix company) and organosilicon liquid are pressed mass ratio 1:99 mixing, stir and inject mould, at 70 ℃ of heating 1h, again at 180 ℃ of heating 1h;
(2) with formed body demoulding from mould, obtain the large power white light LED silica-gel lens.
The led chip of this lens collocation blue light 455nm, the LED product colour temperature of making can reach more than the 20000K.
Embodiment 2
(1) aluminate fluorescent powder Y26N (production of Taiwan Chimei company) and silicate fluorescent powder Y996 (the special at all chemical company of Japan produces) are carried out premix by mass ratio 20:30; Again fluorescent material mixtinite and organosilicon liquid are pressed mass ratio 50:50 mixing; Stir and inject mould; At 120 ℃ of heating 0.5h, again at 120 ℃ of heating 5h;
(2) with formed body demoulding from mould, obtain the large power white light LED silica-gel lens.
The led chip of this lens collocation blue light 450nm, the LED product colour temperature of making obtain the visual effect of positive white light, and apparent finger can reach more than 75 about 4500K.
Embodiment 3
(1) aluminate fluorescent powder BR-102C, BG-301B and Nitride phosphor BR-101A (Japanese Mitsubishi company produce) are carried out premix by mass ratio 5:5:20; Again fluorescent material mixtinite and organosilicon are pressed mass ratio 30:70 mixing; Stir and inject mould; At 80 ℃ of heating 1h, again at 150 ℃ of heating 4h;
(2) with formed body demoulding from mould, obtain the large power white light LED silica-gel lens.
The led chip of this lens collocation blue light 465nm, the LED product colour temperature of making obtain the visual effect of warm white, and apparent finger can reach more than 85 about 2700K.
What more than enumerate only is practical implementation example of the present invention.Obviously, the invention is not restricted to above examples of implementation, in the protection domain of spirit of the present invention and claim,, all should think protection scope of the present invention any modification and the change that the present invention makes.
Claims (2)
1. the preparation method of a large power white light LED silica-gel lens, its step is following:
The fluorescent material and the organosilicon liquid that (1) will produce white light are pressed mass ratio 1～50:99～50 mixing, and mould is injected in the back that stirs, and at 70～120 ℃ of heating 0.5～1h, heats 1～5h at 120～180 ℃ more earlier;
(2) with formed body demoulding from mould, obtain the large power white light LED silica-gel lens.
2. the preparation method of large power white light LED silica-gel lens according to claim 1 is characterized in that said fluorescent material is one or more in aluminate, silicate, nitride and the oxynitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110187996 CN102321371A (en) | 2011-07-06 | 2011-07-06 | Preparation method of high-power white light LED (light emitting diode) silica gel lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110187996 CN102321371A (en) | 2011-07-06 | 2011-07-06 | Preparation method of high-power white light LED (light emitting diode) silica gel lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102321371A true CN102321371A (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110187996 Pending CN102321371A (en) | 2011-07-06 | 2011-07-06 | Preparation method of high-power white light LED (light emitting diode) silica gel lens |
Country Status (1)
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| CN (1) | CN102321371A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165796A (en) * | 2013-03-01 | 2013-06-19 | 上海嘉塘电子有限公司 | Fluorescent lampshade type light-emitting diode (LED) white light module |
| CN105047803A (en) * | 2015-06-11 | 2015-11-11 | 吴少健 | LED arch-shaped lens forming method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877374A (en) * | 2009-04-28 | 2010-11-03 | 上海亮硕光电子科技有限公司 | Process for preparing white-light LED by using fluorescent powder lens |
-
2011
- 2011-07-06 CN CN 201110187996 patent/CN102321371A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877374A (en) * | 2009-04-28 | 2010-11-03 | 上海亮硕光电子科技有限公司 | Process for preparing white-light LED by using fluorescent powder lens |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165796A (en) * | 2013-03-01 | 2013-06-19 | 上海嘉塘电子有限公司 | Fluorescent lampshade type light-emitting diode (LED) white light module |
| CN105047803A (en) * | 2015-06-11 | 2015-11-11 | 吴少健 | LED arch-shaped lens forming method |
| WO2016197962A1 (en) * | 2015-06-11 | 2016-12-15 | 吴少健 | Led dome lens moulding method |
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Address after: Hangzhou City, Zhejiang province 310011 Dengyun Road No. 425 Lilda Building 5 floor Applicant after: Hangzhou Hangke Photoelectric Co., Ltd. Address before: Hangzhou City, Zhejiang province 310011 Dengyun Road No. 425 Lilda Building 5 floor Applicant before: Hangzhou Hangke Optoelectronics Co., Ltd. |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120118 |