ORGANIC LIGHT-EMITTING DEVICE
    2.
    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.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20250066321A1

    公开(公告)日:2025-02-27

    申请号:US18695324

    申请日:2023-09-05

    Applicant: LG CHEM, LTD.

    Abstract: A compound Chemical Formula 1: wherein: each X is independently N, CH, or CD, provided that two or more of X are N, L is a single bond, or a substituted or unsubstituted C6-60 arylene, Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl, Ar3 and Ar4 are each independently phenyl that is unsubstituted or substituted with at least one deuterium, any one of Ar1 to Ar4 is substituted with cyano, HAr is pyrimidinyl which is unsubstituted or substituted with 1 to 3 substituent groups each independently selected from among deuterium, a substituted or unsubstituted C1-60 alkyl, and a substituted or unsubstituted C6-60 aryl; triazinyl which is substituted with two substituted or unsubstituted C6-60 aryls; or quinazolinyl substituted with one substituted or unsubstituted C6-60 aryl, and the other substituents are as described in the specification, and an organic light emitting device comprising the same.

    HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

    公开(公告)号:US20230053612A1

    公开(公告)日:2023-02-23

    申请号:US17784423

    申请日:2020-12-18

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: A1 is Chemical Formula 1-1: Y1 and Y2 are hydrogen or deuterium, or directly bonded to each other, or linked through —C(R31)(R32)-, —Si(R33)(R34)-, —N(R35)-, —O—, or —S—; any one of R11 to R26 is linked to L1, and of the remaining, one is linked to L4 of Chemical Formula 1, and the others are each independently hydrogen, deuterium, a cyano group, or a substituted or unsubstituted: alkyl, aryl, or heteroaryl group; at least two of X1 to X3 are N, and the other is CH; R1 is a substituted or unsubstituted alkyl group; L1 to L4 are each independently a direct bond or a substituted or unsubstituted arylene or heteroarylene group; and Ar1 to Ar3 are each independently a substituted or unsubstituted alkyl, aryl, or heteroaryl group; and an organic light-emitting device including the same.

    ORGANIC LIGHT-EMITTING DEVICE
    8.
    发明申请

    公开(公告)号:US20210305516A1

    公开(公告)日:2021-09-30

    申请号:US17251344

    申请日:2019-09-03

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light emitting device including a first electrode; a second electrode opposite to the first electrode; and a first organic material layer and a second organic material layer provided between the first electrode and the second electrode, wherein the first organic material layer includes a compound of Chemical Formula 1: wherein: at least one of Xa to Xc is N, and the rest are CR; and Ar2 to Ar4 are each independently a substituted or unsubstituted aryl or heterocyclic group, and the second organic material layer includes a compound of (HAr)a-[L1-Ar1-L2-(CN)b]c  Chemical Formula 2: wherein: HAr is a substituted or unsubstituted heterocyclic group including at least one or more Ns; L1 and L2 are each independently a direct bond or a substituted or unsubstituted arylene or divalent heterocyclic group; and Ar1 is a direct bond, —O—, or a substituted or unsubstituted arylene or divalent heterocyclic group.

    ORGANIC LIGHT EMITTING DIODE
    9.
    发明申请

    公开(公告)号:US20210210694A1

    公开(公告)日:2021-07-08

    申请号:US17058295

    申请日:2019-09-20

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light emitting device comprising: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and an organic material layer provided between the cathode and the light emitting layer, wherein the light emitting layer comprises a compound of Chemical Formula 1, and the organic material layer provided between the cathode and the light emitting layer contains a compound of Chemical Formula 2.

    POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING SAME

    公开(公告)号:US20210020848A1

    公开(公告)日:2021-01-21

    申请号:US16768831

    申请日:2019-03-06

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1: where A and B each independently is a substituted or unsubstituted aryl group, a substituted or unsubstituted monocyclic or dicyclic heteroaryl group, a substituted or unsubstituted dibenzofuran group, a substituted or unsubstituted benzonaphthofuran group, a substituted or unsubstituted dibenzothiophene group, a substituted or unsubstituted benzonaphthothiophene group, a substituted or unsubstituted phenoxazine group, a substituted or unsubstituted phenothiazine group, a substituted or unsubstituted phenanthroline group, a substituted or unsubstituted benzoquinoline group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted silyl group, or a substituted or unsubstituted phosphine oxide group, or one of the following substituents: and an organic light emitting device including the same.

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