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.
申请公布号
WO2007044236(A3)
申请公布日期
2007.12.21
申请号
WO2006US37788
申请日期
2006.09.26
申请人
UNIVERSAL DISPLAY CORPORATION;TUNG, YEH;D'ANDRADE, BRIAN, W.;WEAVER, MICHAEL, S.;ESLER, JAMES
发明人
TUNG, YEH;D'ANDRADE, BRIAN, W.;WEAVER, MICHAEL, S.;ESLER, JAMES