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    Organic light-emitting device
    5.
    发明授权
    Organic light-emitting device 有权

    公开(公告)号：US10950801B2

    公开(公告)日：2021-03-16

    申请号：US16646960

    申请日：2019-05-03

    Applicant: LG CHEM, LTD.

    Inventor： Jungoh Huh ,  Sangbin Lee ,  Sung Kil Hong

    IPC: H01L51/00 ,  H01L51/50

    Abstract: Provided is an organic light emitting device including a cathode; an anode provided opposite to the cathode; a light emitting layer provided between the cathode and the anode; and an organic material layer provided between the cathode and the light emitting layer, and including Compound (A) including a heteroatom and a cyano group, wherein Compound (A) satisfies Equation 1 and Equation 2: |PElCN|≥3debye  Equation 1 wherein: |PElCN| means an absolute value of a dipole moment of Compound (A);  P EI C ⁢ N   P EI  >  Ea EI CN   Ea EI  Equation ⁢ ⁢ 2 wherein: |PElCN| means an absolute value of a dipole moment of Compound (A); |PEl| means an absolute value of a dipole moment of a compound having the same core as the compound of |PElCN| without including a cyano group; |EaElCN| means an absolute value of electron affinity of Compound (A); and |EaEl| means an absolute value of electron affinity of a compound having the same core as the compound of |EaElCN| without including a cyano group.

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