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    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    3.
    发明申请
    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME 有权

    公开(公告)号：US20210296593A1

    公开(公告)日：2021-09-23

    申请号：US17260763

    申请日：2019-08-02

    Applicant: LG CHEM, LTD.

    Inventor： Yongbum CHA ,  Sung Kil HONG ,  Dong Uk HEO ,  Wanpyo HONG ,  Sujeong GEUM

    IPC: H01L51/00 ,  C07D251/24 ,  C09K11/06 ,  C07D239/26 ,  C07D401/14 ,  C07D213/57

    Abstract: Provided is a compound of Chemical Formula 1: wherein, in Chemical Formula 1: X1 to X3 are each independently N or CH, provided that at least one of X1 to X3 is N; X4 to X6 are each independently N or CH, provided that at least one of X4 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing any one or more selected from the group consisting of N, O, and S; L1 to L3 are each independently a single bond, a substituted or unsubstituted C6-60 arylene, or a substituted or unsubstituted C2-60 heteroarylene containing any one or more selected from the group consisting of N, O, and S; and n is 1 or 2, and an organic light emitting device including the same.

    HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
    7.
    发明申请
    HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME 有权

    公开(公告)号：US20220251118A1

    公开(公告)日：2022-08-11

    申请号：US17617101

    申请日：2020-11-27

    Applicant: LG CHEM, LTD.

    Inventor： Moung Gon KIM ,  Wanpyo HONG ,  Sujeong GEUM ,  Kyunghee KIM ,  Seonwoo KIM

    IPC: C07F5/02 ,  H01L51/00

    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: R1, R3 and R4 are each independently a hydrogen, deuterium, halogen group, nitrile group, or substituted or unsubstituted: silyl, boron, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, cycloalkyl, aralkyl, aryl, or amine group, or a heteroring, or adjacent groups bond to each other to form a substituted or unsubstituted ring; Cy is one of a substituted or unsubstituted: aliphatic hydrocarbon ring, aromatic ring, and heteroring, or a substituted or unsubstituted ring having two or more thereof fused therein; and ring B is a substituted or unsubstituted aliphatic hydrocarbon ring; xa is 0 or 1, when 0 Xa is a direct bond, and when 1 Xa is CRR′; R and R′ are each independently hydrogen or a substituted or unsubstituted alkyl group; a and c are independently 0 to 3; and d is 0 to 5, and an organic light-emitting device comprising same.

    ORGANIC LIGHT-EMITTING DEVICE
    9.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20220173318A1

    公开(公告)日：2022-06-02

    申请号：US17442762

    申请日：2020-05-15

    Applicant: LG CHEM, LTD.

    Inventor： Jihye KIM ,  Sung Kil HONG ,  Wanpyo HONG ,  Sung Jae LEE ,  Sujeong GEUM

    IPC: H01L51/00

    Abstract: Provided is an organic light emitting device including a positive electrode, a negative electrode, and an organic material layer provided between the positive electrode and the negative electrode, wherein the organic material layer comprises a hole transport material having a HOMO absolute value of 4.30 eV to 4.60 eV, and a reversibility value (Ir/If) of 0.83 or higher within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron blocking material having a reversibility value (Ir/If) of more than 0.5 within an oxidation range at a scan rate of 100 mV/s, or the organic material layer comprises an electron transport material having a LUMO absolute value of 2.60 eV to 2.90 eV, and a reversibility value (Ir/If) larger than [4.96−1.535×(the LUMO absolute value)] within a reduction range at a scan rate of 100 mV/s.

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