发明授权
US06727644B2 Organic light-emitting device having a color-neutral dopant in an emission layer and in a hole and/or electron transport sublayer
有权
在发光层和空穴和/或电子传输子层中具有着色中性掺杂剂的有机发光器件
- 专利标题： Organic light-emitting device having a color-neutral dopant in an emission layer and in a hole and/or electron transport sublayer
- 专利标题（中）： 在发光层和空穴和/或电子传输子层中具有着色中性掺杂剂的有机发光器件
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申请号： US09923024申请日： 2001-08-06
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公开(公告)号： US06727644B2公开(公告)日： 2004-04-27
- 发明人: Tukaram K. Hatwar , Ralph H. Young
- 申请人： Tukaram K. Hatwar , Ralph H. Young
- 主分类号： H01J162
- IPC分类号： H01J162
摘要：
Disclosed are organic electroluminescent devices comprising a substrate, an anode and a cathode disposed over the substrate, an emission layer (EML) disposed between the anode and the cathode, a hole-transport layer (HTL) disposed between the anode and the emission layer, and an electron-transport layer (ETL) disposed between the cathode and the emission layer. The EML and either the HTL, the ETL, or both the HTL and the ETL include a derivative of anthracene as a color-neutral dopant. A color-neutral dopant is a dopant whose presence does not alter the electroluminescent color of the device.