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    POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME
    5.
    发明申请
    POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DIODE COMPRISING SAME 有权

    公开(公告)号：US20210257550A1

    公开(公告)日：2021-08-19

    申请号：US17056224

    申请日：2019-06-26

    Applicant: LG CHEM, LTD.

    Inventor： Ki Kon LEE ,  Sang Duk SUH ,  Sujeong GEUM ,  Moung Gon KIM ,  Kyunghee KIM ,  Dong Hoon LEE ,  Tae Yoon PARK ,  Dongheon KIM ,  Woochul LEE

    IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

    Abstract: Provided is a compound of Formula 1: wherein: Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring; R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group: n1 and n2 are each an integer from 0 to 4: n3 to n5 are each an integer from 0 to 3; and when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other, and an organic light emitting device including the same.

    ORGANIC LIGHT-EMITTING DEVICE
    7.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20230006161A1

    公开(公告)日：2023-01-05

    申请号：US17776816

    申请日：2021-01-28

    Applicant: LG CHEM, LTD.

    Inventor： Dongkeun SONG ,  Jaegoo LEE ,  Yongbum CHA ,  Dong Uk HEO ,  Woochul LEE ,  Jiyoung NOH ,  Jun Young LEE

    IPC: H01L51/50 ,  H01L51/00

    Abstract: Provided is an organic light emitting device including an anode; a cathode; a light emitting layer between the anode and the cathode; a first organic material layer between the light emitting layer and the anode; and a second organic material layer between the light emitting layer and the cathode, wherein the first organic material layer comprises a compound of Chemical Formula 1, the light emitting layer comprises a compound of Chemical Formula 2, the second organic material layer comprises a compound of Chemical Formula 3, and Chemical Formula 1 and Chemical Formula 3 satisfy one or more of to : |EL1| Es1>Es3   ET1>ET3  

    ORGANIC LIGHT-EMITTING DEVICE
    8.
    发明申请
    ORGANIC LIGHT-EMITTING DEVICE 有权

    公开(公告)号：US20220376178A1

    公开(公告)日：2022-11-24

    申请号：US17274238

    申请日：2019-11-06

    Applicant: LG CHEM, LTD.

    Inventor： Jae Seung HA ,  Minseung CHUN ,  Woochul LEE ,  Sujeong GEUM ,  Hongsik YOON

    IPC: H01L51/00

    Abstract: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more.

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