ORGANIC LIGHT EMITTING DEVICE
    33.
    发明申请

    公开(公告)号:US20220006063A1

    公开(公告)日:2022-01-06

    申请号:US17294277

    申请日:2020-01-17

    Applicant: LG CHEM, LTD.

    Abstract: An organic light emitting device comprising an anode, a hole transport layer, a light emitting layer including a host and a dopant, and a cathode, where a difference between a dipole moment value of a compound included in the hole transport layer and a dipole moment value of the host is 1.0 to 2.0, and the organic light emitting device having low driving voltage, high emission efficiency and long lifetime characteristics.

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