申请人:UNIVERSAL DISPLAY CORPORATION
公开号:US20190109286A1
公开(公告)日:2019-04-11
A compound of Formula I
is disclosed where R
A
, R
B
, R
C
, and R
D
each independently represent mono to a maximum possible number of substitutions, or no substitution; where two of X
1
to X
4
are carbon, and the other two are nitrogen; where L is an organic linker, where R, R
A
, R
B
, R
C
, and R
D
are each independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; where R
D
does not comprise a dibenzothiophene group; and where any adjacent substituents are optionally joined or fused into a ring.
公开了一种Formula I的化合物,其中RA、RB、RC和RD分别独立地表示单个到最大可能数量的取代基,或者无取代基;其中X1到X4中的两个是碳,另外两个是氮;其中L是有机连接剂,其中R、RA、RB、RC和RD分别独立地是氢或从
氘、卤素、烷基、环烷基、杂原子烷基、杂环烷基、芳基烷基、烷氧基、芳氧基、
氨基、
硅基、烯基、环烯基、杂原子烯基、炔基、芳基、杂芳基、酰基、
羧酸、醚、酯、腈、异腈、
硫基、亚
硫基、砜基、
磷基及其组合中选择的取代基;其中RD不包括
二苯并噻吩基团;并且任何相邻的取代基可以选择性地连接或融合成环。