| 发明名称 |
Light-emitting device and its use |
| 摘要 |
<p>A light-emitting device comprises a layer including an emission region and provided between an anode and a cathode wherein the anode has a visible light (with a wavelength of 380 to 780 nm) transmittance ranging from 35 to 75%, and the anode has a work function of 3.0 to 7.0 eV whereby the device has an improved contrast characteristic while keeping high luminance. <IMAGE> <IMAGE></p> |
| 申请公布号 |
EP1134817(A3) |
申请公布日期 |
2005.10.12 |
| 申请号 |
EP20010106062 |
申请日期 |
2001.03.12 |
| 申请人 |
SONY CORPORATION |
发明人 |
UEDA, NAOYUKI;KIJIMA, YASUNORI;TAMURA, SHINICHIRO |
| 分类号 |
H05B33/26;H01L51/00;H01L51/30;H01L51/50;H01L51/52;H05B33/12;H05B33/14;(IPC1-7):H01L51/20 |
主分类号 |
H05B33/26 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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