Publication number: 20220336759
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.
Type:
Application
Filed:
January 14, 2021
Publication date:
October 20, 2022
Applicant:
Universal Display Corporation
Inventors:
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