ORGANIC ELECTROLUMINESCENT DEVICE

    公开(公告)号:US20250113731A1

    公开(公告)日:2025-04-03

    申请号:US18833174

    申请日:2023-02-03

    Abstract: The present invention relates to organic electroluminescent devices including at least one light-emitting layer B including a TTA material and a small full width at half maximum (FWHM) emitter SB, and an exciton management layer including an excitation energy transfer component, a host material, and a small full width at half maximum (FWHM) emitter SB. Furthermore, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

    ORGANIC ELECTROLUMINESCENT DEVICE
    10.
    发明公开

    公开(公告)号:US20230345750A1

    公开(公告)日:2023-10-26

    申请号:US18026565

    申请日:2021-09-17

    CPC classification number: H10K50/12 H10K2101/27

    Abstract: The present invention relates to an organic electroluminescent device including at least one light-emitting layer B composed of one or more sublayers, wherein the one or more sublayers of the light-emitting layer B as a whole include at least one host material HB, at least one phosphorescence material PB, at least one small FWHM emitter SB, and optionally at least one TADF material EB, wherein SB emits light with a full width at half maximum (FWHM) of less than or equal to 0.25 eV.

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