CN102604515A - Large-power blue light LED remote exciter lamp cover special-purposed electrostatic spraying yellow fluorescent powder composite white light paint - Google Patents
Large-power blue light LED remote exciter lamp cover special-purposed electrostatic spraying yellow fluorescent powder composite white light paint Download PDFInfo
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- CN102604515A CN102604515A CN2012100537953A CN201210053795A CN102604515A CN 102604515 A CN102604515 A CN 102604515A CN 2012100537953 A CN2012100537953 A CN 2012100537953A CN 201210053795 A CN201210053795 A CN 201210053795A CN 102604515 A CN102604515 A CN 102604515A
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Abstract
The invention relates to large-power blue light LED remote exciter lamp cover electrostatic spraying yellow fluorescent powdery paint. With the paint, yellow-converted composite white light can be emitted. The paint is characterized in that a thermo-set polyester resin transparent powdery paint finished product is processed by using a Fluent-type inner-graded jet mill, such that a composition of yellow fluorescent powder yellow-light-emitting powdery paint is synthesized by homogenization; the composition is extruded by using a double-screw extruder, and is crushed by using a high-speed crusher, such that a YAG yellow fluorescent powder yellow-light-emitting powdery paint finished product is obtained. With the paint, a formed yellow fluorescent powder coating has certain scraping resistance. When an LED lamp cover is packaged, defilming is prevented. Under the remote exciting of a blue light LED chip, the conversion rate of the yellow light emitted by the yellow fluorescent powder and the blue light is high, and a composite white light is gentle. Blue light LED chips of different qualities are adapted to YAG yellow fluorescent powders of different qualities, such that illumination devices of composite white light LED with different color temperatures, different color rendering indexes Ra and different luminous efficiencies 1m/w can be configured.
Description
Technical field
The present invention relates to a kind of coating, relate in particular to a kind of high-power blue-ray LED remote excitation lampshade electrostatic spraying yellow fluorescent powder and send the yellow coating that transforms compound white light.
Background technology
At present using more general also more sophisticated is a kind of white light LEDs encapsulation technology: be covered with the YAG yellow fluorescent powder on the fixed blue chip, and blue light short range excitated fluorescent powder and send gold-tinted, blue gold-tinted has obtained compound white light after transforming.Because temperature that working current produced continues to raise, and has caused the reduction of yellow fluorescent powder luminous energy, when device temperature continues to raise＞80 ℃ the time, light-emitting phosphor usefulness also will sharply descend.The heat dissipation problem of LED packaged chip and device affects the light decay and the work-ing life of large power white light LED all the time.
Summary of the invention
The object of the invention is exactly the problems referred to above that exist in the off-the-shelf item technology in order to solve; The high-power LED chip efficiently radiates heat is provided and improves light efficiency; Increase the service life: a kind of high-power blue-ray LED remote excitation lampshade static is coated with yellow fluorescent powder, and yellow transforms the coating of compound white light..
The object of the invention is realized through following technical scheme:
A kind of electrostatic painting process of energy-saving lamp shade has been authorized patent of invention: 200810099380.3.
A kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint.It comprises according to weight percent meter:
The thermosetting polyester resin transparent powder paint finished product of 60-80% is as base-material.
The YAG yellow fluorescent powder of 10-25% is as yellow pigment.
All the other are auxiliary packing.
Above-mentioned a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint, wherein: described auxiliary packing comprises: 2-30% light spread powder.
Further, above-mentioned a kind of blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint, wherein: described auxiliary packing comprises: 1-5% precipitated silica micro mist and 0.2-0.5% aerosil powder.
Further; Above-mentioned a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint; Wherein: described thermosetting polyester resin transparent powder paint finished product, through answering logical sequence formula internal classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, by way of the 6500r/min impeller, ultra-fine is the transparent powder particles of 4000 order thermosetting polyester resins.
Further; Above-mentioned a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint, wherein: described ultra-fine transparent powder particle of 4000 order vibrin and particle diameter are d50=2um light spread powder PMMA, and particle diameter is the d50=3-5um precipitated silica; And YAG yellow fluorescence powder; And these four kinds of components are mixed the back pass through multiple logical sequence formula internal recycle classification airflow milling, be 0.7Mpa at stream pressure, flow is 6m
3/ min impeller, by way of the 3000r/min impeller, the component of homogenizing synthesizing yellow fluorescent material jaundice light powder paint.
Further; Above-mentioned a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint; Wherein: the component of described yellow fluorescent powder jaundice light powder paint; Extrude through screw extrusion press, extrusion temperature is 120 ℃, and the screw rod machine speed is 400r/min.Pulverize by way of high speed disintegrator, machine speed is 2000r/min, and pulverizing is 180 a purpose YAG yellow fluorescent powders jaundice light powder paint finished product.
Again further; Above-mentioned a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice light powder paint; Wherein: described 180 order YAG yellow fluorescent powders jaundice light powder paint mixes with the aerosil powder, and through in the alumina-ceramic ball grinder, pressing jar behind the ball milling, powder diameter is: d10=4um again; D50=12um, the finished product YAG yellow fluorescent powder jaundice light powder paint of d97=22um.
The outstanding substantive distinguishing features and the obvious improvement of technical scheme of the present invention is mainly reflected in: this LED lampshade use thermosetting polyester resin transparent powder paint is 100% solid content, no hazardous solvent composition.The yellow phosphor coating film that forms through the present invention has the anti-stroke intensity of wiping; When packaged LED lampshade case, be difficult for demoulding, the lampshade outward appearance is yellow, sends yellow high with the blue light efficiency of conversion at blue-light LED chip remote excitation yellow fluorescent powder; Compound white light light is soft; And, configurablely go out different-colour, different colour rendering index Ra, the lighting of the compound white light LEDs of different light efficiency 1m/w by the YAG yellow fluorescent powder of the adaptive different qualities of blue-light LED chip of different qualities.Substantive technical characterstic of tool of the present invention and significant technical progress, its application prospect is boundless.
The object of the invention, advantage and characteristics will make an explanation through the non-limitative illustration of following preferred embodiment.These embodiment only are model's examples of using technical scheme of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of protection of requirement of the present invention.
Embodiment
The special-purpose yellow fluorescent powder gold-tinted of a kind of high-power blue-ray LED remote excitation electrostatic spraying lampshade powder coating, its special feature is that it comprises according to weight percent meter:
The thermoset transparent polyester toner coating finished product of 60-80% is as base-material.
The YAG yellow fluorescent powder of 10-25% is as the jaundice delustering pigment.
All the other are auxiliary packing.
For the electric light source to blue chip converts area source into, and can impel compound white light to form the equal light action of soft diffusion, described auxiliary packing comprises: 2-30%; The PMMA light spread powder of particle diameter d50=2um; Moreover, consider the flowability of powder coating, put viscosity; Moistureproofness, described auxiliary packing has also comprised: the precipitated silica micro mist of the d50=3-6um of 1-5% and the fumed silica powder of 0.2-0.5%.
Further, described thermosetting polyester resin transparent powder paint finished product, at first through multiple logical sequence formula internal recycle classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, ultra-fine by way of the 6500r/min impeller, ultra-fine is the transparent powder particles of 4000 order vibrin; Again with described YAG yellow fluorescent powder, PMMA light spread powder, shallow lake method fine silica powder; These four kinds of components are mixed, melt altogether through screw extrusion press and extrude, be ground into again 180 order yellow fluorescent powders jaundice light powder paint and with the blend of fumed silica powder; Again through ball milling in the alumina-ceramic ball grinder, the jaundice of the yellow fluorescent powder behind blend ball milling light end coating thus, it is even to have an equivalent particle diameter; The moistureproofness that flows is good, with the characteristics of LED lampshade adhesive solidification good film-forming property.
[embodiment one]
The special-purpose yellow fluorescent powder jaundice of a kind of high-power blue-ray LED remote excitation electrostatic spraying lampshade light end coating, its special feature is that it comprises according to weight percent meter:
The thermosetting polyester resin transparent powder paint finished product of 60-80% is as base-material.
The YAG yellow fluorescent powder of 10-25% is as the jaundice delustering pigment.
All the other are auxiliary packing.The PMM light spread powder of 2-3%, 1-5% shallow lake method fine silica powder, the fumed silica powder of 0.2-0.5%.
Further, described thermosetting polyester resin transparent powder paint finished product, at first through multiple logical sequence formula internal recycle classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, ultra-fine by way of the 6500r/min impeller, the transparent powder particle of ultra-fine one-tenth 4000 order vibrin with said quality is: 2700-3300K again.Ra=49.0, X=0.487, Y=0.487, predominant wavelength: 577.4; Peak wavelength: 585.6, brightness: 82.0, particle diameter: d20=4um, d50=12um; The YAG yellow fluorescent powder jaundice delustering pigment of the 10-25% of D97=21um, PMMA light spread powder, shallow lake method fine silica powder mixes these four kinds of components; Melt altogether through screw extrusion press and to extrude, be ground into again 180 orders jaundice emitting phosphor end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder; Yellow fluorescent powder behind blend ball milling jaundice light end coating thus, it is even to have an equivalent particle diameter, and the moistureproofness that flows is good; Strong with LED muffle adhesive solidification film-forming properties, yellow bright-coloured bright, be equipped with the compound white light of 445-450um blue light wavelength that high-power blue-light LED chip sends and be: be warm white.
[embodiment two]
The special-purpose yellow fluorescent powder jaundice of a kind of high-power blue-ray LED remote excitation electrostatic spraying lampshade light end coating, its special feature is that it comprises according to weight percent meter:
The thermosetting polyester resin transparent powder paint finished product of 60-80% is as base-material.
The YAG yellow fluorescent powder of 10-25% is as the jaundice delustering pigment.
All the other are auxiliary packing.The PMM light spread powder of 2-3%, 1-5% shallow lake method fine silica powder, the fumed silica powder of 0.2-0.5%.
Further, described thermosetting polyester resin transparent powder paint finished product, at first through multiple logical sequence formula internal recycle classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, ultra-fine by way of the 6500r/min impeller, the transparent powder particle of ultra-fine one-tenth 4000 order vibrin with said quality is: 4000-5000K again; Ra=40.0, X=0.455 ± 0.005, Y=0.528 ± 0.005, predominant wavelength: 571.8 ± 0.2; Peak wavelength: 563 ± 5, brightness: 95.0, particle diameter: d20=4um, d50=12um; The YAG yellow fluorescent powder jaundice delustering pigment of the 10-25% of D97=21um, PMMA light diffusion PMMA light spread powder, shallow lake method fine silica powder mixes these four kinds of components; Melt altogether through screw extrusion press and to extrude, be ground into again 180 orders jaundice emitting phosphor end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder; Yellow fluorescent powder behind blend ball milling jaundice light end coating thus, it is even to have an equivalent particle diameter, and the moistureproofness that flows is good; Strong with LED muffle adhesive solidification film-forming properties, yellow bright-coloured bright, be equipped with the compound white light of 450-455um blue light wavelength that high-power blue-light LED chip sends and be: be just white.
[embodiment three]
The special-purpose yellow fluorescent powder jaundice of a kind of high-power blue-ray LED remote excitation electrostatic spraying lampshade light end coating, its special feature is that it comprises according to weight percent meter:
The thermosetting polyester resin transparent powder paint finished product of 60-80% is as base-material.
The YAG yellow fluorescent powder of 10-25% is as the jaundice delustering pigment.
All the other are auxiliary packing.The PMM light spread powder of 2-3%, 1-5% shallow lake method fine silica powder, the fumed silica powder of 0.2-0.5%.
Further, described thermosetting polyester resin transparent powder paint finished product, at first through multiple logical sequence formula internal recycle classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, ultra-fine by way of the 6500r/min impeller, the transparent powder particle of ultra-fine one-tenth 4000 order vibrin with said quality is: 5500-6000K again; Ra=35.0, X=0.436 ± 0.005, Y=0.544 ± 0.005, predominant wavelength: 569.7 ± 0.2; Peak wavelength: 550 ± 5, brightness: 100.0, particle diameter: d20=4um, d50=12um; The YAG yellow fluorescent powder jaundice delustering pigment of the 10-25% of D97=21um, PMMA light diffusion PMMA light spread powder, shallow lake method fine silica powder mixes these four kinds of components; Melt altogether through screw extrusion press and to extrude, be ground into again 180 orders jaundice emitting phosphor end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder; Yellow fluorescent powder behind blend ball milling jaundice light end coating thus, it is even to have an equivalent particle diameter, and the moistureproofness that flows is good; Strong with LED muffle adhesive solidification film-forming properties, yellow bright-coloured bright, be equipped with the compound white light of 450-455um blue light wavelength that high-power blue-light LED chip sends and be: be cold white.
Can find out that through above-mentioned text description following advantage is arranged behind employing the present invention:
This LED lampshade use thermoset transparent polyester toner coating is 100% solid content, and no hazardous solvent composition does not have the healthy volatile matter of promising victimization body, meets the ROSH of European Union standard.
The yellow fluorescent powder jaundice light coated membrane that the present invention forms has anti-the wiping and draws intensity, when packaged LED lampshade case, is difficult for demoulding.
This coating film lampshade outward appearance is yellow, and it is high to send yellow efficiency of conversion at blue-light LED chip remote excitation yellow fluorescent powder, and compound white light light is soft.
This yellow phosphor coating film can configure different-colour with blue-light LED chip, the white light LED lighting device of different capacity.
This yellow phosphor coating film is behind＞350 ℃ of high temperature, but lampshade coated membrane carbonizing treatment, and lamp shade glass material recyclable regenerative utilizes, the compound EUP of European Union instruction.
Claims (9)
1. a high-power blue-ray LED remote excitation lampshade special-purpose electrostatic sprays yellow fluorescent powder jaundice optical coating, it is characterized in that: according to weight percent meter, comprising:
The thermosetting polyester resin transparent powder paint finished product of 60-80% is as base-material.
The yellow fluorescent powder of 10-25% is as the yellow delustering pigment.
All the other are the subsidiary function filler.
2. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 1, it is characterized in that: described subsidiary function filler comprises: 2-30% light spread powder.
3. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 1, it is characterized in that: described subsidiary function filler comprises: 1-5%, the shallow lake method fine silica powder of d50=3-6um.
4. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 1, it is characterized in that: described subsidiary function filler comprises: the fumed silica powder of 0.2-0.5%.
5. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 1; It is characterized in that: the thermoset transparent polyester toner coating finished product of 60-80%; Described thermosetting polyester resin transparent powder paint finished product; At first through multiple logical sequence formula internal recycle classification airflow milling: at the 0.7Mpa stream pressure, flow is 6m
3/ min, ultra-fine by way of the 6500r/min impeller, ultra-fine is the transparent powder particles of 4000 order vibrin.
6. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 1 is characterized in that: described transparent powder particle of 4000 order vibrin and described YAG yellow fluorescent powder; PMMA light spread powder; Shallow lake method fine silica powder with these four kinds of components, melts altogether through screw extrusion press and to extrude; Be ground into again 180 order yellow fluorescent powders jaundice light end coating and with the blend of fumed silica powder; Again through ball milling in the alumina-ceramic ball grinder, the jaundice of the yellow fluorescent powder behind blend ball milling light powder paint thus, it is even to have an equivalent particle diameter; The moistureproofness that flows is good, the characteristics that film-forming property is strong.
7. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 6, said quality is: 2700-3300K, Ra=49.0, X=0.487; Y=0.487, predominant wavelength: 577.4, peak wavelength: 585.6, brightness: 82.0; Particle diameter: d20=4um, d50=12um, the 10-25%YAG yellow fluorescent powder jaundice delustering pigment of D97=21umd; With the transparent powder particle of 4000 order vibrin, the wide loose powder of PMMA, shallow lake method fine silica powder; These four kinds of components, through the screw extrusion press blend melt be ground into after squeezing 180 order yellow fluorescent powders jaundice light end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder; Yellow fluorescent powder behind blend ball milling jaundice light end coating thus, it is even to have an equivalent particle diameter, and the moistureproofness that flows is good; Strong with LED muffle adhesive solidification film-forming properties, yellow bright-coloured bright, the compound white light that is equipped with the 445-450nm blue light wavelength that led chip sends is: warm white.
8. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 6, said quality is: 4000-5000K, Ra=40.0; X=0.455 ± 0.005, Y=0.528 ± 0.005, predominant wavelength: 571.8 ± 0.2; Peak wavelength: 563 ± 5, brightness: 95.0, particle diameter: d20=4um; D50=12um, the YAG yellow fluorescent powder jaundice delustering pigment of the 10-25% of D97=21um, PMMA light diffusion PMMA light spread powder; Shallow lake method fine silica powder mixes these four kinds of components, melts altogether through screw extrusion press and extrudes; Be ground into again 180 orders jaundice emitting phosphor end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder, the jaundice of the yellow fluorescent powder behind blend ball milling light end coating thus; It is even to have equivalent particle diameter, and the moistureproofness that flows is good, and is strong with LED muffle adhesive solidification film-forming properties; Yellow bright-coloured bright, be equipped with the compound white light of 450-455um blue light wavelength that high-power blue-light LED chip sends and be: be just white.
9. a kind of high-power blue-ray LED remote excitation lampshade special-purpose electrostatic spraying yellow fluorescent powder jaundice optical coating according to claim 6, said quality is: 5500-6000K, Ra=35.0; X=0.436 ± 0.005, Y=0.544 ± 0.005, predominant wavelength: 569.7 ± 0.2; Peak wavelength: 550 ± 5, brightness: 100.0, particle diameter: d20=4um; D50=12um, YAG yellow fluorescent powder jaundice delustering pigment and the 4000 purpose transparent polyester resinous powder particles of the 10-25% of D97=21um, PMMA light diffusion PMMA light spread powder; Shallow lake method fine silica powder with these four kinds of components, melts altogether through screw extrusion press and to extrude; Be ground into again 180 orders jaundice emitting phosphor end coating and with the blend of fumed silica powder, again through ball milling in the alumina-ceramic ball grinder, the jaundice of the yellow fluorescent powder behind blend ball milling light end coating thus; It is even to have equivalent particle diameter, and the moistureproofness that flows is good, and is strong with LED muffle adhesive solidification film-forming properties; Yellow bright-coloured bright, be equipped with the compound white light of 450-455um blue light wavelength that high-power blue-light LED chip sends and be: be cold white.
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| CN2012100537953A CN102604515A (en) | 2012-03-01 | 2012-03-01 | Large-power blue light LED remote exciter lamp cover special-purposed electrostatic spraying yellow fluorescent powder composite white light paint |
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| CN2012100537953A CN102604515A (en) | 2012-03-01 | 2012-03-01 | Large-power blue light LED remote exciter lamp cover special-purposed electrostatic spraying yellow fluorescent powder composite white light paint |
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Cited By (7)
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| CN103131310A (en) * | 2013-02-22 | 2013-06-05 | 上海祥羚光电科技发展有限公司 | Rich-blue-reduced luminescent paint used in secondary packaging |
| CN103225768A (en) * | 2013-04-19 | 2013-07-31 | 杭州鸿雁电器有限公司 | Blue light prevention desk lamp |
| CN103351791A (en) * | 2013-05-30 | 2013-10-16 | 蚌埠市时代电子有限公司 | Thermosetting heat dissipation coating and preparation method thereof |
| CN104004407A (en) * | 2013-02-27 | 2014-08-27 | 上海祥羚光电科技发展有限公司 | Coating printed by using yellow fluorescent powder composite ink specialized for white LED remote excitation |
| CN104406126A (en) * | 2014-11-03 | 2015-03-11 | 天津理工大学 | Coating capable of resisting blue light and improving color rendering property and application thereof |
| CN104595763A (en) * | 2015-01-12 | 2015-05-06 | 赵宁 | LED (Light Emitting Diode) lamp with glass lampshade with internally-coated remote fluorescent powder and process |
| CN107728381A (en) * | 2017-11-29 | 2018-02-23 | 广东轩朗实业有限公司 | Quantum dot backlight module |
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| CN103131310A (en) * | 2013-02-22 | 2013-06-05 | 上海祥羚光电科技发展有限公司 | Rich-blue-reduced luminescent paint used in secondary packaging |
| CN104004407A (en) * | 2013-02-27 | 2014-08-27 | 上海祥羚光电科技发展有限公司 | Coating printed by using yellow fluorescent powder composite ink specialized for white LED remote excitation |
| CN103225768A (en) * | 2013-04-19 | 2013-07-31 | 杭州鸿雁电器有限公司 | Blue light prevention desk lamp |
| CN103225768B (en) * | 2013-04-19 | 2016-06-01 | 杭州鸿雁电器有限公司 | A kind of blue light prevention desk lamp |
| CN103351791A (en) * | 2013-05-30 | 2013-10-16 | 蚌埠市时代电子有限公司 | Thermosetting heat dissipation coating and preparation method thereof |
| CN104406126A (en) * | 2014-11-03 | 2015-03-11 | 天津理工大学 | Coating capable of resisting blue light and improving color rendering property and application thereof |
| CN104595763A (en) * | 2015-01-12 | 2015-05-06 | 赵宁 | LED (Light Emitting Diode) lamp with glass lampshade with internally-coated remote fluorescent powder and process |
| CN107728381A (en) * | 2017-11-29 | 2018-02-23 | 广东轩朗实业有限公司 | Quantum dot backlight module |
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Application publication date: 20120725 |