CN1413068A - White electroluminescence device - Google Patents
White electroluminescence device Download PDFInfo
- Publication number
- CN1413068A CN1413068A CN 01128300 CN01128300A CN1413068A CN 1413068 A CN1413068 A CN 1413068A CN 01128300 CN01128300 CN 01128300 CN 01128300 A CN01128300 A CN 01128300A CN 1413068 A CN1413068 A CN 1413068A
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- layer
- luminescent
- yag
- electroluminescence device
- white
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Abstract
The present invention uses a new type EL device structure, it is an improvement and development on that using YAG luminescence conversion combination method to implement white luminescene technology. Said invention can make white luminescence of EL device more uniform, can make its luminescent brightness raise by 50%. Said structure is applicable to various EL glass devices, EL enamel devices and EL plastic devices. It includes base plate, trasparent conductive layer, YAG layer, luminescent layer, medium layer, back electrode layer and protection layer.
Description
Technical field the invention belongs to electroluminescence (abbreviation EL) technology.
The existing at present white El element of background technology, mainly contain orange and blue-green EL material mixing method, organic dyestuff method, it is low that they all exist luminosity, color malleable shortcoming, nearest emerging YAG luminescent conversion combined method (application number 00126509.1), be to use YAG material and blue EL material mixing, so white luminous have a more problem such as inhomogeneous.
Summary of the invention the present invention uses a kind of new E L device architecture: the transparency conducting layer on the substrate 65 is cleaned up; the luminescent material 4 usefulness 100-50 order gross porosity silk screen printings of YAG:Ce in layer at transparent layer; use fine-structure mesh 300 order silk screen printing EL luminescent material 3 and dielectric layers 2 again; dorsum electrode layer 1, last protective mulch 7.It is to using YAG luminescent conversion combined method to realize the improvement development of white luminous technology, but it can make EL white luminous more even, luminosity can improve 50% on the original basis, and this structure is applicable to all kinds of EL glass devices, EL enamel device, EL plastic device.
Description of drawings Fig. 1, structural representation of the present invention.
Embodiment cleans up the transparency conducting layer on the substrate 65; the luminescent material 4 usefulness 100-50 order gross porosity silk screen printings of YAG:Ce in layer at transparent layer; use fine-structure mesh 300 order silk screen printing EL luminescent material 3 and dielectric layers 2 again, dorsum electrode layer 1, last protective mulch 7.
The printing colloid of YAG layer, luminescent layer, dielectric layer can be epoxide resin, cyanoethyl sugar, cyanoethyl ether, cyanethyl cellulose.
Dielectric layer can use a kind of of titanium dioxide, barium titanate, strontium titanates, lead titanates and more than one mixture.
Luminescent layer can use the blue EL luminescent material.
The YAG layer uses the luminescent material of YAG:Ce because the conference of silk screen printing aperture, has 50% YAG material silk-screen not go up, and this leaves the luminous uniform luminescent transparent of blue EL space just for.
Dorsum electrode layer can be sheet metal or conductive silver paste
Protective layer can be plastics, paint, glass etc.
Claims (4)
1, a kind of white electroluminescence device; it is characterized in that: use the luminescent material of YAG:Ce the silk screen printing of 100-50 order gross porosity in layer at transparent layer; use fine-structure mesh 300 order silk screen printing EL luminescent materials and dielectric layer, dorsum electrode layer again, last protective mulch.
2, white electroluminescence device according to claim 1 is characterized in that: the printing colloid of YAG layer, luminescent layer, dielectric layer can be epoxide resin, cyanoethyl sugar, cyanoethyl ether, cyanethyl cellulose.
3, white electroluminescence device according to claim 1 is characterized in that: luminescent layer can use the blue EL luminescent material.
4, white electroluminescence device according to claim 1 is characterized in that: dielectric layer can use one or more mixture of titanium dioxide, barium titanate, strontium titanates, lead titanates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01128300 CN1413068A (en) | 2001-10-14 | 2001-10-14 | White electroluminescence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01128300 CN1413068A (en) | 2001-10-14 | 2001-10-14 | White electroluminescence device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1413068A true CN1413068A (en) | 2003-04-23 |
Family
ID=4668171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01128300 Pending CN1413068A (en) | 2001-10-14 | 2001-10-14 | White electroluminescence device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1413068A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446292C (en) * | 2002-08-07 | 2008-12-24 | 友达光电股份有限公司 | Organic electrically execiting light-emitting device |
| CN102176298A (en) * | 2010-01-26 | 2011-09-07 | 上海科炎光电技术有限公司 | Matrix electroluminescent flat-panel display |
| CN102278623A (en) * | 2011-05-13 | 2011-12-14 | 北京德上科技有限公司 | Edge structure of enamel electroluminescent panel and manufacturing method thereof |
| CN103152891B (en) * | 2013-02-16 | 2015-10-28 | 上海科润光电技术有限公司 | A kind of inorganic powder electroluminescence flexible matrix display |
| CN113867066A (en) * | 2021-08-20 | 2021-12-31 | 北京大学深圳研究生院 | White light alternating current electroluminescent device and preparation method thereof |
-
2001
- 2001-10-14 CN CN 01128300 patent/CN1413068A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100446292C (en) * | 2002-08-07 | 2008-12-24 | 友达光电股份有限公司 | Organic electrically execiting light-emitting device |
| CN102176298A (en) * | 2010-01-26 | 2011-09-07 | 上海科炎光电技术有限公司 | Matrix electroluminescent flat-panel display |
| CN102278623A (en) * | 2011-05-13 | 2011-12-14 | 北京德上科技有限公司 | Edge structure of enamel electroluminescent panel and manufacturing method thereof |
| CN103152891B (en) * | 2013-02-16 | 2015-10-28 | 上海科润光电技术有限公司 | A kind of inorganic powder electroluminescence flexible matrix display |
| CN113867066A (en) * | 2021-08-20 | 2021-12-31 | 北京大学深圳研究生院 | White light alternating current electroluminescent device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |