发明名称 |
Electron impeding layer for high efficiency phosphorescent OLEDs |
摘要 |
The present invention relates to OLEDs comprising an electron impeding layer between the cathode and the emissive layer. An organic light emitting device, comprising: an anode; a hole transport layer; an organic emissive layer comprising an emissive layer host and an emissive dopant; an electron impeding layer; an electron transport layer; and a cathode disposed, in that order, over a substrate.
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申请公布号 |
US8148891(B2) |
申请公布日期 |
2012.04.03 |
申请号 |
US20050242025 |
申请日期 |
2005.10.04 |
申请人 |
TUNG YEH;D'ANDRADE BRIAN W.;WEAVER MICHAEL S.;ESLER JAMES;UNIVERSAL DISPLAY CORPORATION |
发明人 |
TUNG YEH;D'ANDRADE BRIAN W.;WEAVER MICHAEL S.;ESLER JAMES |
分类号 |
H05B33/14;B32B9/00;B32B19/00 |
主分类号 |
H05B33/14 |
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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