Publication number: 20240349591
Abstract: A compound having a formula of Ir(LA)n(LB)m(LC)o, wherein first ligand LA comprises a structure of Formula I, LB comprises a structure of Formula IIA, or Formula IIB, and LC is a bidentate ligand. In these structures, n is 1 or 2, m is 1 or 2, o is 0 or 1, and m+n+o=3; each of moiety A, moiety D, and moiety F is a monocyclic ring or polycyclic fused ring system; moiety B is a polycyclic fused ring system; each of Z1 to Z6 and X1 to X7 is C or N; Y1 is O, S, Se, Te, P, Si, and Ge; and each RA, RB, RC, RD, RE, and RF is hydrogen or a General Substituent. Formulations, OLEDs, and consumer products containing the compound are also provided.
Type:
Application
Filed:
May 17, 2024
Publication date:
October 17, 2024
Applicant:
Universal Display Corporation
Inventors:
Wei-Chun SHIH, Alexey Borisovich DYATKIN, Harvey WENDT, Walter YEAGER, Marcus COLE, Tyler FLEETHAM, Pierre-Luc T. BOUDREAULT, Zhiqiang JI