ORGANIC LIGHT EMITTING DIODE
    1.
    发明申请

    公开(公告)号:US20210050528A1

    公开(公告)日:2021-02-18

    申请号:US16761908

    申请日:2019-01-28

    Applicant: LG CHEM, LTD.

    Abstract: An organic light emitting device including: a positive electrode; a negative electrode facing the positive electrode; a light emitting layer between the positive electrode and the negative electrode; a first organic material layer comprising a compound of Formula 1 provided between the negative electrode and the light emitting layer; and a second organic material layer comprising at least one compound of Formulae 2 or 3 provided between the negative electrode and the first organic material layer: wherein the first organic layer at least one of X1 to X3 is N, at least one of X4 to X6 is N, at least one of X7 to X9 is N, and at least one of X10 to X12 is N, and each remaining one is CH;

    NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20210119139A1

    公开(公告)日:2021-04-22

    申请号:US16963189

    申请日:2019-04-24

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: Y1 is O or S; Ar1 is a substituted C6-60 aryl; or a substituted or unsubstituted C1-60 heteroaryl containing one or more heteroatoms selected from among O, N, Si, and S; L is a single bond; a substituted or unsubstituted C6-60 arylene; or a substituted or unsubstituted C1-60 heteroarylene containing one or more heteroatoms selected from among O, N, Si, and S; R1 to R3 are each independently hydrogen; deuterium; a halogen; cyano; nitro; amino; a substituted or unsubstituted C1-60 alkyl; a substituted or unsubstituted C1-60 haloalkyl; or a substituted or unsubstituted: C1-60 alkoxy, C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or C1-60 heteroaryl containing one or more heteroatoms selected from among N, O, and S, and n1 to n3 are each independently 1 to 5, and an organic light emitting device including the same.

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