New materials with aza-dibenzothiophene or aza-dibenzofuran core for pholed
摘要
The present invention is directed at a new class of compounds containing an azadibenzothiophene or aza-dibenzofuran core are provided. In particular, azadibenzothiophene compounds or aza-dibenzofuran compounds further substituted with triphenylene and/or nitrogen-containing substituents are provided. These compounds may be advantageously used in phosphorescent organic light emitting devices. Preferably, these compounds may be used as a host material in an emissive layer or as a material in an enhancement layer.
申请公布号
EP2703405(A3)
申请公布日期
2015.03.04
申请号
EP20130192879
申请日期
2010.01.15
申请人
UNIVERSAL DISPLAY CORPORATION
发明人
LIN, CHUN;MA, BIN;KWONG, RAYMOND;DYATKIN, BORISOVICH;YONGGANG, WU;ELSHENAWY, ZEINAB M.