CN102227010B - Preparation method for large power white light LED lens - Google Patents
Preparation method for large power white light LED lens Download PDFInfo
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- CN102227010B CN102227010B CN 201110147465 CN201110147465A CN102227010B CN 102227010 B CN102227010 B CN 102227010B CN 201110147465 CN201110147465 CN 201110147465 CN 201110147465 A CN201110147465 A CN 201110147465A CN 102227010 B CN102227010 B CN 102227010B
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Abstract
The invention discloses a preparation method for a large power white light LED lens. A plastic blending technology is employed to premix phosphor particle and plastic particle. After heated to fusion, the two particle is mixed uniformly. After an injection moulding treatment, the above mixture is formed into a LED large power lens shape. The lens produced in the invention is doped with phosphor, and type and ratio of the phosphor can be adjusted according to white light LED color and color temperature requirements. According to the preparation method, present white light LED production technology mode is changed radically, production precision controllability and product quality consistency are raised, and uniformity and softness of white light LED light source are improved to adapt new development of indoor illumination.
Description
Technical field
The present invention relates to a kind of processing method of LED package accessory, especially the large power white light LED processing technology of 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 fluorescent material and the outer casting glue 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 glue position with fixed fluorescent powder on solid space again is heating and curing.
But this mode, but the glue of mixed fluorescent powder is in flow regime before curing, the fluorescent material of solid particulate form is slowly sedimentation of meeting in glue, causes the problem that distribution of color is wider in the white light LEDs production, production control is difficult mostly encapsulating ubiquity in the enterprise.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the preparation method of a kind of large power white light LED with lens is provided.
The large power white light LED of the present invention preparation method of lens, step is as follows:
(1) with led color and the colour temperature premix that carry out certain proportioning of fluorescent material according to expection, with fluorescent material mixture and polycarbonate plastic particle 1～50:99～50 premixs in mass ratio, stirs again;
(2) adopt the plastic blend processing technology, behind 210～280 ℃ of heating and meltings, in screw machine, mix;
(3) with mixture injection mo(u)lding in 50～80 ℃ mould of melting, obtain the high-power lens shape of using of LED.
Among the present invention, said fluorescent material is one or more in aluminate, silicate, nitride and the nitrogen oxide.
Be doped with fluorescent material in the lens that the present invention makes, the kind of fluorescent material and proportioning can require to adjust according to color and the colour temperature of white light LEDs.
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, Effective Raise production capacity; Thoroughly solved the problem of fluorescent material sedimentation in the current technique, can improve precision controllability and the product quality consistency 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 preparation for the preparation of led light source, can be obtained more uniform light spatial distribution effect.
Embodiment
Below the present invention is further described by example.
Embodiment 1
(1) with aluminate fluorescent powder YAG-04 (production of American I ntermatix company) and polycarbonate plastic particle 1:99 premix in mass ratio, stirs;
(2) adopt the plastic blend processing technology, behind 280 ℃ of heating and meltings, in screw machine, mix;
(3) with mixture injection mo(u)lding in 80 ℃ mould of melting, obtain the high-power lens shape of using of LED.
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) with aluminate fluorescent powder Y26N (production of Taiwan Chimei company) and silicate fluorescent powder Y996 (the basic special chemical company of Japan produces) in mass ratio 20:30 carry out premix, with fluorescent material mixture and PC particle 50:50 premix in mass ratio, stir again;
(2) adopt the plastic blend processing technology, behind 210 ℃ of heating and meltings, in screw machine, mix;
(3) with mixture injection mo(u)lding in 50 ℃ mould of melting, obtain the high-power lens shape of using of LED.
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 aobvious finger can reach more than 75 about 4500K.
Embodiment 3
(1) with aluminate fluorescent powder BR-102C, BG-301B and Nitride phosphor BR-101A (Japanese Mitsubishi company produce) in mass ratio 5:5:20 carry out premix, with fluorescent material mixture and Merlon (PC) plastic pellet 30:70 premix in mass ratio, stir again;
(2) adopt the plastic blend processing technology, behind 240 ℃ of heating and meltings, in screw machine, mix;
(3) with mixture injection mo(u)lding in 65 ℃ mould of melting, obtain the high-power lens shape of using of LED.
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 aobvious finger can reach more than 85 about 2700K.
What more than enumerate only is specific embodiments of the invention.Obviously, the invention is not restricted to above examples of implementation, in the protection range of spirit of the present invention and claim, to any modification and the change that the present invention makes, all should think protection scope of the present invention.
Claims (2)
1. a large power white light LED is characterized in that step is as follows with the preparation method of lens:
(1) with led color and the colour temperature premix that carry out certain proportioning of fluorescent material according to expection, with fluorescent material mixture and polycarbonate plastic particle 1～50:99～50 premixs in mass ratio, stirs again;
(2) adopt the plastic blend processing technology, behind 210～280 ℃ of heating and meltings, in screw machine, mix;
(3) with mixture injection mo(u)lding in 50～80 ℃ mould of melting, obtain the high-power lens shape of using of LED.
2. large power white light LED according to claim 1 is characterized in that with the preparation method of lens said fluorescent material is one or more in aluminate, silicate, nitride and the nitrogen oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110147465 CN102227010B (en) | 2011-06-02 | 2011-06-02 | Preparation method for large power white light LED lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110147465 CN102227010B (en) | 2011-06-02 | 2011-06-02 | Preparation method for large power white light LED lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102227010A CN102227010A (en) | 2011-10-26 |
| CN102227010B true CN102227010B (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110147465 Active CN102227010B (en) | 2011-06-02 | 2011-06-02 | Preparation method for large power white light LED lens |
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| CN (1) | CN102227010B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522480A (en) * | 2011-12-23 | 2012-06-27 | 彩虹集团公司 | Preparation method for fluorescent lens for packaging LED |
| CN102569601A (en) * | 2011-12-29 | 2012-07-11 | 杭州杭科光电有限公司 | Power type white-light LED (Light Emitting Diode) light source device with full uniform light |
| CN103258937A (en) * | 2013-04-27 | 2013-08-21 | 杭州杭科光电股份有限公司 | Transparent paster-type light emitting diode (LED) light source |
| CN103344081B (en) * | 2013-07-23 | 2016-01-20 | 合肥美的电冰箱有限公司 | A kind of fluorescent refrigerator door stand column and preparation method thereof |
| CN103568180A (en) * | 2013-10-21 | 2014-02-12 | 虞海香 | Method for manufacturing fluorescent object |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858920A (en) * | 2006-06-05 | 2006-11-08 | 江苏奥雷光电有限公司 | Packaging method for white light LED lamp |
| CN101470220A (en) * | 2007-12-29 | 2009-07-01 | 一品光学工业股份有限公司 | Molding fluorescent plastic lens and manufacturing method thereof |
| CN101701683A (en) * | 2009-11-16 | 2010-05-05 | 南京工业大学 | Light transmission board pre-fabricated component of white light LED and manufacturing method thereof |
-
2011
- 2011-06-02 CN CN 201110147465 patent/CN102227010B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858920A (en) * | 2006-06-05 | 2006-11-08 | 江苏奥雷光电有限公司 | Packaging method for white light LED lamp |
| CN101470220A (en) * | 2007-12-29 | 2009-07-01 | 一品光学工业股份有限公司 | Molding fluorescent plastic lens and manufacturing method thereof |
| CN101701683A (en) * | 2009-11-16 | 2010-05-05 | 南京工业大学 | Light transmission board pre-fabricated component of white light LED and manufacturing method thereof |
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| CN102227010A (en) | 2011-10-26 |
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Address after: Hangzhou City, Zhejiang province 310011 Gongshu District Dengyun Road No. 425 Lilda Building 5 floor Applicant after: Hangzhou Hangke Photoelectric Co., Ltd. Address before: Hangzhou City, Zhejiang province 310011 Gongshu District Dengyun Road No. 425 Lilda Building 5 floor Applicant before: Hangzhou Hangke Optoelectronics Co., Ltd. |
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Address after: Hangzhou City, Zhejiang province 310011 Gongshu District Dengyun Road No. 425 Lilda Building 5 floor Patentee after: Hangzhou Hangzhou Ke optoelectronic group Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 310011 Gongshu District Dengyun Road No. 425 Lilda Building 5 floor Patentee before: Hangzhou Hangke Photoelectric Co., Ltd. |
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