ORGANIC LIGHT-EMITTING DEVICE
    13.
    发明申请

    公开(公告)号:US20220271226A1

    公开(公告)日:2022-08-25

    申请号:US17629926

    申请日:2020-11-27

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light-emitting device including an anode, a cathode, a light-emitting layer including a compound of Formula 1 between the anode and cathode, and a first organic material layer including a compound of Chemical Formula 2 between the light-emitting layer and the cathode: wherein: X1 is O or S; Cy2 is one selected from among a substituted or unsubstituted aromatic hydrocarbon ring and a substituted or unsubstituted aliphatic hydrocarbon ring, or is a fused ring of two or more rings selected from this group; and Cy3 and Cy4 are each independently one selected from among a substituted or unsubstituted: aromatic hydrocarbon ring, aliphatic hydrocarbon ring, and aromatic heteroring, or each independently is a fused ring of two or more rings selected from this group; wherein: X11 to X13 are N or CR′, and at least one of X11 to X13 is N.

    ORGANIC LIGHT-EMITTING DEVICE
    15.
    发明申请

    公开(公告)号:US20230119911A1

    公开(公告)日:2023-04-20

    申请号:US17797832

    申请日:2021-02-16

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light-emitting device including an anode; a cathode; a light-emitting layer between the anode and the cathode and including a compound of Chemical Formula 2: a first organic material layer between the anode and the light-emitting layer and including a compound of Chemical Formula 1: and a second organic material layer between the light-emitting layer and the cathode and including a compound of Chemical Formula 3: wherein: Ar101, Ar102 and R101 to R108 are each independently hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group; Ar1 and Ar2 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted silyl, alkyl, cycloalkyl, or aryl group; R201 to R204 are each independently hydrogen, deuterium, a halogen, a cyano, or a substituted or unsubstituted alkyl, cycloalkyl, aryl group, or heterocyclic group; and Z is O or S.

    ORGANIC LIGHT EMITTING DEVICE
    18.
    发明申请

    公开(公告)号:US20210399223A1

    公开(公告)日:2021-12-23

    申请号:US17263514

    申请日:2019-09-20

    Applicant: LG CHEM, LTD.

    Abstract: An organic light emitting device including a first electrode, a second electrode provided opposite to the first electrode, and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer includes a hole transfer layer and an electron blocking layer, and the hole transfer layer and the electron blocking layer include a compound of Chemical Formula 1, the materials of the hole transfer layer and the electron blocking layer are different from each other, and one or more layers that are not the hole transfer layer and the electron blocking layer of the organic material layer include a compound of Chemical Formula 2.

    ORGANIC ELECTROLUMINESCENT DEVICE
    19.
    发明申请

    公开(公告)号:US20200321534A1

    公开(公告)日:2020-10-08

    申请号:US16303638

    申请日:2017-10-13

    Applicant: LG CHEM, LTD.

    Abstract: The present specification relates to an organic electroluminescent device comprising: a first electrode; a second electrode; and an organic material layer provided between the first electrode and the second electrode, wherein the organic material layer comprises a light emitting layer and an electron transfer layer, the light emitting layer comprises a first host material, a second host material and a dopant material, the first host material has a HOMO energy level of −5.9 eV or lower, and the second host material has a HOMO energy level higher than a HOMO energy level of the first host material by 0.1 eV to 0.2 eV.

    ANTHRACENE DERIVATIVE AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

    公开(公告)号:US20200028097A1

    公开(公告)日:2020-01-23

    申请号:US16485134

    申请日:2018-06-15

    Applicant: LG CHEM, LTD.

    Abstract: Provided are anthracene derivatives of Chemical Formula 1: wherein: X1 is O or S; R1 and R2 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a halogen groups a substituted or unsubstituted alkyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or bond to adjacent groups to form a substituted or unsubstituted ring; Ar is a substituted or unsubstituted heteroaryl group comprising O or S; and a is an integer of 0 to 9, and b is an integer of 0 to 8, and when a is 2 or greater, R1s are the same as or different from each other, and when b is 2 or greater, R2s are the same as or different from each other. Also provided are organic light emitting devices comprising same.

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