ORGANIC LIGHT-EMITTING DEVICE
    2.
    发明申请

    公开(公告)号:US20200287142A1

    公开(公告)日:2020-09-10

    申请号:US16646960

    申请日:2019-05-03

    Applicant: LG CHEM, LTD.

    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.

    CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

    公开(公告)号:US20210336155A1

    公开(公告)日:2021-10-28

    申请号:US17271762

    申请日:2019-10-02

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: wherein: X is O or S; one or more of R9 to R16 are linked to * of the following Chemical Formula 2; and R1 to R8, and the rest of R9 to R16 not linked to Chemical Formula 2, are the same as or different from each other, and each independently is hydrogen, deuterium, a cyano group, a nitro group, a carbonyl group, or a substituted or unsubstituted: silyl group, boron group, alkyl group, alkoxy group, aryloxy group, cycloalkyl group, aryl group or heterocyclic group, or bond to adjacent groups to form a substituted or unsubstituted benzene ring; and an organic light emitting device including the same.

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