OLED-STABILITÄTSMATERIALIEN UND VORRICHTUNGEN MIT VERBESSERTER STABILITÄT
摘要
Organic light emitting materials and devices comprising phosphorescent metal complexes comprising ligands comprising aryl or heteroaryl groups substituted at both ortho positions are described. 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
AT441208(T)
申请公布日期
2009.09.15
申请号
AT20060759103T
申请日期
2006.05.04
申请人
UNIVERSAL DISPLAY CORPORATION
发明人
LIN, CHUN;MACKENZIE, PETER;WALTERS, ROBERT;TSAI, JUI-YI;BROWN, CORY;DENG, JUN