ORGANIC LIGHT EMITTING DEVICE
    23.
    发明公开

    公开(公告)号:US20240206332A1

    公开(公告)日:2024-06-20

    申请号:US18280630

    申请日:2022-04-21

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light-emitting device having improved driving voltage, efficiency, and lifespan, the device comprising a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:






    wherein: Y is O or S, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, A is a benzene ring fused with two adjacent rings, Ar1-Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S, provided that at least one of Ar3 and Ar4 is substituted with at least one deuterium, and the other substituents are as defined in the specification.

    ORGANIC LIGHT EMITTING DEVICE
    24.
    发明公开

    公开(公告)号:US20240122068A1

    公开(公告)日:2024-04-11

    申请号:US18269145

    申请日:2022-05-06

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan:




    where A is a benzene ring fused with the two adjacent rings, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, Ar1-Ar5 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are defined in the specification, provided that at least one of Ar4 and Ar5 is substituted with at least one deuterium, or at least one R2 is deuterium.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20210363132A1

    公开(公告)日:2021-11-25

    申请号:US17278406

    申请日:2019-11-15

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 to X6 are each independently CH or N, provided that at least one of X1 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S, provided that at least one of Ar1 to Ar4 is any one of: R2 is hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; each R3 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and n is an integer of 0 to 8, and organic light emitting devices including the same.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20210214369A1

    公开(公告)日:2021-07-15

    申请号:US17055706

    申请日:2019-07-02

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 to X3 are each independently N or CH, provided that at least two of X1 to X3 are N, Y is O or S, L1 and L2 are each independently a single bond, or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing one or more of O, N, Si, or S, and A is Chemical Formula 2 or 3, each Z is independently CR, or two adjacent Zs are C each linked to the following Chemical Formula 4 at * to form a fused ring, and the rest are each independently CR: T is O, S, CQ1Q2, or NAr4, and Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, or S, and an organic light emitting device including the same.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20210206778A1

    公开(公告)日:2021-07-08

    申请号:US17055753

    申请日:2019-07-02

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: wherein: X1 to X3 are each independently N or CH, and at least two of X1 to X3 are N, Y is O or S, A is Chemical Formula 2 or 3: each Z is independently CR, or 2 adjacent Zs are C each linked to Chemical Formula 4 to form a fused ring, and the rest are each independently CR; T is O, S, CQ1Q2, or NAr4, Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S, and L1 and L2 are each independently a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing one or more of O, N, Si and S, and an organic light emitting device including the same.

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