Organic light emitting device
    80.
    发明授权

    公开(公告)号:US11239425B2

    公开(公告)日:2022-02-01

    申请号:US16316608

    申请日:2018-03-08

    Applicant: LG CHEM, LTD.

    Abstract: The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.

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