ORGANIC LIGHT EMITTING DEVICE
    2.
    发明申请

    公开(公告)号:US20220389018A1

    公开(公告)日:2022-12-08

    申请号:US17619682

    申请日:2020-10-16

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light emitting device comprising an anode, a hole transport layer, a light emitting layer, an electron transport layer, and a cathode, wherein the light emitting layer comprises a compound of Chemical Formula 1 and a compound of Chemical Formula 2: wherein: A is a benzene ring; Ar1 and Ar2 are independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; X1 to X3 are independently N or CH, provided that at least one of them is N; L is a substituted or unsubstituted C2-60 heteroarylene or a C6-60 arylene substituted with a C2-20 heteroaryl, the heteroarylene or heteroaryl containing one or more of N, O and S; and Ar3 and Ar4 are independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

    公开(公告)号:US20200313098A1

    公开(公告)日:2020-10-01

    申请号:US16650274

    申请日:2018-11-19

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: wherein: among X1 to X4, one of X1 and X2, X2 and X3, or X3 and X4 are linked with * in the following Chemical Formula 2, and of the remaining two, one is hydrogen, and the other is R3: R1 and R2 are each independently hydrogen, deuterium, halogen, cyano, amino, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkoxy, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C2-60 alkenyl, a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C6-60 aryloxy, or a substituted or unsubstituted C2-60 heterocyclic group containing one or more heteroatoms selected from the group consisting of N, O and S; one of R3 is hydrogen, and the other is —Si(R4)(R5)(R6), R4 to R6 are each independently hydrogen, deuterium, cyano, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one selected from the group consisting of N, O and S; and n is an integer of 0 to 2, and an organic light emitting device including the same.

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