NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

    公开(公告)号:US20240294515A1

    公开(公告)日:2024-09-05

    申请号:US18568483

    申请日:2022-11-25

    Applicant: LG CHEM, LTD.

    Abstract: Provided is a compound of Chemical Formula 1:




    wherein: L1 to L3 are each independently a single bond or a substituted or unsubstituted C6-60 arylene or C2-60 heteroarylene containing at least one of N, O and S; Ar1 and Ar2 are each independently a substituted or unsubstituted C6-60 aryl; or C2-60 heteroaryl containing at least one of N, O and S, provided that Ar1 and Ar2 are not benzocarbazolyl, and at least one of Ar1 and Ar2 is an azachrysenyl, azabenzo[c]phenanthrenyl, azafluoranthenyl, azatetracenyl, azatetraphenyl, azapyrenyl, azatriphenylenyl, azaaceanthrylene, azaacephenanthrylene, or azapleiadenyl that is substituted or unsubstituted, and the other substituents are as defined in the specification; and an organic light emitting device comprising a first electrode, a second electrode, and one or more organic layers between the first electrode and the second electrode, wherein at least one layer among the organic layers contains the compound of Chemical Formula 1.

    ORGANIC LIGHT EMITTING DEVICE
    36.
    发明公开

    公开(公告)号:US20240099133A1

    公开(公告)日:2024-03-21

    申请号:US18038527

    申请日:2022-02-18

    Applicant: LG CHEM, LTD.

    Abstract: Provided is an organic light emitting device comprising an anode; a cathode; and a light emitting layer therebetween, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency and lifetime:






    wherein: any one of R′1 to R′12 is Chemical Formula 3, and the rest are hydrogen or deuterium:










    Ar1, Ar2, Ar′1, and Ar′2 are each independently a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O and S; R1 is hydrogen, deuterium, or a substituted or unsubstituted C6-60 aryl or C2-60 heteroaryl containing any one or more of N, O and S; and the other substituents are as defined in the specification.

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