申请人:Universal Display Corporation
公开号:US09537106B2
公开(公告)日:2017-01-03
Donor-acceptor compounds with nitrogen containing polyaromatics as the acceptor with emission originated from the charge transfer (CT) state is disclosed. The donor-acceptor compound is provided that has the structure of Formula 1 shown below:
wherein X1 to X12 is independently selected from the group consisting of C—R and N, wherein at least one of X1 to X12 is N, wherein each R is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and at least one of the R comprises a donor group with at least two electron-donating nitrogens.
揭示了含氮多芳环作为受体,发射源自电荷转移(CT)状态的供体-受体化合物。提供了具有下面所示的Formula 1结构的供体-受体化合物:其中X1到X12独立地选自由C-R和N组成的群,其中至少一个X1到X12是N,其中每个R独立地选自由氢、氘、卤素、烷基、环烷基、杂原子烷基、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、杂原子芳基、酰基、羰基、羧酸、酯、腈、异腈、硫基、亚硫基、砜基、磷基及其组合;并且至少一个R包括至少两个电子给予氮的供体基团。