申请人:Universal Display Corporation
公开号:EP4056578A1
公开(公告)日:2022-09-14
A compound of Formula Ir(LA)(LB)(LC) is disclosed. In Formula Ir(LA)(LB)(LC), LA has Formula I,
LB has Formula II,
; LC is a monoanionic bidentate ligand that does not comprise a phenylpyridine ligand; and each of LA, LB, and LC is different. Each of moieties A, C, and D is independently a monocyclic ring or a polycyclic fused ring structure or 5-membered and/or 6-membered rings; each of X1 to X6 is C or N; each of Z1 and Z2 is C or N; at least one of Z1 and Z2 is N; each RA, RB, RC, and RD is independently a hydrogen or a General Substituent; and any two adjacent substituents can be joined or fused together to form a ring. Formulations, OLEDs, and consumer products including the compound are also disclosed.
本发明公开了一种式 Ir(LA)(LB)(LC) 的化合物。在式 Ir(LA)(LB)(LC) 中,LA 具有式 I、
LB 具有式 II、
LC是不包含苯吡啶配体的单阴离子双阳戟配体;LA、LB和LC各自不同。分子 A、C 和 D 中的每一个独立地是单环或多环融合环结构或 5 元和/或 6 元环;X1 至 X6 中的每一个是 C 或 N;Z1 和 Z2 中的每一个是 C 或 N;Z1 和 Z2 中的至少一个是 N;RA、RB、RC 和 RD 中的每一个独立地是氢或一般取代基;任意两个相邻取代基可以连接或融合在一起形成环。还公开了包括该化合物的制剂、OLED 和消费品。