| 发明名称 |
LED with improved light emission profile |
| 摘要 |
An LED includes a substrate, a first electrode layer and a thin colloidal layer located between the substrate and the first electrode layer. A smoothening layer or particles located within or on the colloidal layer is provided so that the roughness of the outer surface of the colloidal layer which is facing towards the first electrode layer is Ra≦̸30 nm and Ra≧1 nm.
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| 申请公布号 |
US7969089(B2) |
申请公布日期 |
2011.06.28 |
| 申请号 |
US20050570345 |
申请日期 |
2005.06.10 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
BECHTEL HELMUT;BUSSELT WOLFGANG;GARTNER GEORG FRIEDRICH;ITZHAK ELIAV;OPITZ JOACHIM |
| 分类号 |
H05B33/02;H01L51/00;H01L51/10;H01L51/52;H05B33/00 |
主分类号 |
H05B33/02 |
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