公开(公告)号：US20220109120A1

公开(公告)日：2022-04-07

申请号：US17528552

申请日：2021-11-17

Applicant: Universal Display Corporation

Inventor： MORGAN C. MACINNIS ,  Hsiao-Fan Chen ,  Tyler Fleetham ,  Peter Wolohan ,  Jerald Feldman ,  Jui-Yi Tsai ,  Pierre-Luc T. Boudreault ,  Alexey Borisovich Dyatkin ,  Zhiqiang JI ,  Sean Michael Ryno ,  Rasha Hamze ,  Chun Lin ,  Elena Sheina

IPC: H01L51/00 ,  C09K11/02 ,  C07F15/00 ,  C09K11/06

Abstract: 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.