ORGANIC LIGHT EMITTING DEVICE
    17.
    发明申请

    公开(公告)号:US20210399223A1

    公开(公告)日:2021-12-23

    申请号:US17263514

    申请日:2019-09-20

    Applicant: LG CHEM, LTD.

    Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.

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