-
公开(公告)号:US20170179394A1
公开(公告)日:2017-06-22
申请号:US15449497
申请日:2017-03-03
Applicant: Universal Display Corporation
Inventor: JASON BROOKS , Chuanjun XIA , Raymond KWONG , James FIORDELISO
CPC classification number: H01L51/0054 , C07C15/38 , C07C2603/42 , C07D307/91 , C07D333/76 , C07D409/04 , C09B57/00 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , H01L51/004 , H01L51/0059 , H01L51/0061 , H01L51/0081 , H01L51/0085 , H01L51/5004 , H01L51/5016 , H01L51/5024 , H01L2251/552 , H05B33/14
Abstract: A compound having the structure of Formula I is disclosed. In the structure of Formula I, each of R1, R2, and R3 is independently a hydrogen, a non-fused aryl group having one meta-substituent, or a non-fused heteroaryl six-membered ring having one or more meta-substituents; each meta-substituent is a non-fused aryl or non-fused heteroaryl six-membered ring optionally substituted with further substituents selected from the group consisting of non-fused aryl groups, non-fused heteroaryl groups, and alkyl groups; and at least one of R1, R2, and R3 is a non-fused aryl having one meta-substituent or a heteroaryl six-membered ring having at least one meta-substituent, wherein each meta-substituent is a non-fused aryl or non-fused heteroaryl group further substituted with a chain of at least two non-fused aryl or non-fused heteroaryl groups. The compounds may be useful in phosphorescent organic light emitting devices.