ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

    公开(公告)号:US20220336748A1

    公开(公告)日:2022-10-20

    申请号:US17657413

    申请日:2022-03-31

    IPC分类号: H01L51/00 C07F5/02 C09K11/06

    摘要: Provided are compounds having the structure of Formula I: Formula I;
    wherein A is B, Al, Bi, or is not present; and L1-L4 are each independently selected from the group consisting of O, S, Se, NR, BR, BRR′, CRR′, SiRR′, GeRR′, P(O)R, and C═X; and L3 and L4 are each optionally present; wherein each R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG is hydrogen or a substituent; and any two adjacent R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG can be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.

    ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

    公开(公告)号:US20230020526A1

    公开(公告)日:2023-01-19

    申请号:US17884823

    申请日:2022-08-10

    IPC分类号: H01L51/52 C07F15/00

    摘要: Provided is an organometallic compound including a first ligand LA selected from In ligand LA, each of Y1 to Y10 is carbon or nitrogen; moiety B is a monocyclic or polycyclic fused ring structure including 5-membered and/or 6-membered rings; any two RA and RB can be fused or joined to form a ring; X is selected from O, S, Se, or NR; each RA and RB is independently hydrogen or a substituent selected from the general substituent defined herein; at least one R, RA, or RB is deuterium or a linking group between LA and another ligand that includes a deuterium substituted aromatic ring; and LA is coordinated to a metal M, selected from Os, Pd, Pt, Ir, Cu, Ag, or Au; and the compound is capable of emitting light with a peak maximum wavelength (λmax)≥700 nm at room temperature.

    ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

    公开(公告)号:US20220340607A1

    公开(公告)日:2022-10-27

    申请号:US17687895

    申请日:2022-03-07

    IPC分类号: C07F15/00 H01L51/00

    摘要: An organometallic compound including a first ligand LA selected from is provided. In ligand LA, each of Y1 to Y10 is carbon or nitrogen; moiety B is a monocyclic or polycyclic fused ring structure comprising 5-membered and/or 6-membered rings; any two RA and RB can be fused or joined to form a ring; X is selected from O, S, Se, or NR; each RA and RB is independently hydrogen or a General Substituent; at least one R, RA, or RB is deuterium or a linking group between LA and another ligand that includes a deuterium substituted aromatic ring; and LA is coordinated to a metal M, selected from Os, Pd, Pt, Ir, Cu, Ag, or Au; and the compound is capable of emitting light with a peak maximum wavelength (λmax)≥700 nm at room temperature.