申请人:Universal Display Corporation
公开号:US09773985B2
公开(公告)日:2017-09-26
A compound according to Formula I, as well as, devices and formulations containing the compound as described. The compound has the general formula
wherein n=1 or 2; wherein X1-X2 is a bidentate ligand having the formula:
wherein each of R1, R2, R3, R4 and R5 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;
wherein each of R3, R4 and R5 can also be selected from two adjacent substituents joined to form into a ring;
wherein each of Z1, Z2, Z3, Z4, Z6, Z7, Z8 is independently selected from C, CH or N;
wherein ring A is connected to ring B through N—C bond; and
wherein Y1-Y2 is a different bidentate ligand other than X1-X2.
根据公式I描述的化合物,以及包含所述化合物的设备和配方。 该化合物具有一般公式,其中n=1或2;其中X1-X2是具有以下公式的双齿配体:其中R1、R2、R3、R4和R5中的每一个独立地选自氢、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、杂芳基、酰基、羰基、羧酸、酯、腈、异腈、硫基、亚硫基、砜基、膦基,以及它们的组合;其中R3、R4和R5中的每一个还可以选自结合形成环的两个相邻取代基;其中Z1、Z2、Z3、Z4、Z6、Z7、Z8中的每一个独立地选自C、CH或N;其中环A通过N—C键连接到环B;以及Y1-Y2是不同于X1-X2的另一个双齿配体。