ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

    公开(公告)号:US20250092308A1

    公开(公告)日:2025-03-20

    申请号:US18797856

    申请日:2024-08-08

    Abstract: A compound having a first ligand LA of Formula I, is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of Z1 and Z2 is C or N; K is a direct bond or a linking group; R* includes a moiety selected from an electron-withdrawing group, heteroaryl, BRR′, SiRR′R″, GeRR′R″, OR, SR, SeR, PRR′, PRR′R″, AsRR′, AsRR′R″, or a combination thereof; each R, R′, R″, R*, Rα, Rβ, RA, and RB is a hydrogen or a General Substituent defined herein; LA is coordinated to a metal M having an atomic mass of at least 40; and any two substituents may be joined or fused to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.

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