申请人:Universal Display Corporation
公开号:EP3858945A1
公开(公告)日:2021-08-04
A compound comprising a ligand LA comprising a moiety L having a structure of Formula I
is provided. In Formula I, LA coordinated to a metal M; A1 is selected from B, N, P, P=O, P=S, Al, Ga, SiR", GeR", and SnR"; where rings A, B, and C are 5- or 6-membered rings; Y1, Y2, and Y3 are selected from direct bonds, the metal M, and a variety of linkers; a + b + c = 2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.
一种化合物,包含配体 LA,配体 LA 包含具有式 I 结构的分子 L
的化合物。在式 I 中,LA 与金属 M 配位;A1 选自 B、N、P、P=O、P=S、Al、Ga、SiR"、GeR "和 SnR";其中环 A、B 和 C 是 5 元环或 6 元环;Y1、Y2 和 Y3 选自直接键、金属 M 和各种连接体;a + b + c = 2 或 3;并且满足若干特定条件之一。此外,还提供了包括该化合物的 OLED 器件、消费品和配方。