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    ORGANIC LIGHT EMITTING DEVICE
    1.
    发明公开
    ORGANIC LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20240206332A1

    公开(公告)日：2024-06-20

    申请号：US18280630

    申请日：2022-04-21

    申请人： LG CHEM, LTD.

    发明人： Su Jin HAN ,  Dong Hoon LEE ,  Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Seulchan PARK ,  Sunghyun HWANG

    IPC分类号： H10K85/60 ,  H10K50/12 ,  H10K101/00

    CPC分类号： H10K85/6572 ,  H10K50/12 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/90

    摘要： Provided is an organic light-emitting device having improved driving voltage, efficiency, and lifespan, the device comprising a light emitting layer between an anode and a cathode, the light emitting layer comprising a compound of Chemical Formula 1 and a compound of Chemical Formula 2:






    wherein: Y is O or S, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, A is a benzene ring fused with two adjacent rings, Ar1-Ar4 are each independently a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one heteroatom selected from the group consisting of N, O and S, provided that at least one of Ar3 and Ar4 is substituted with at least one deuterium, and the other substituents are as defined in the specification.

    ORGANIC LIGHT EMITTING DEVICE
    2.
    发明公开
    ORGANIC LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20240122068A1

    公开(公告)日：2024-04-11

    申请号：US18269145

    申请日：2022-05-06

    申请人： LG CHEM, LTD.

    发明人： Sang Duk SUH ,  Min Woo JUNG ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG ,  Dong Hoon LEE

    IPC分类号： H10K85/60 ,  C09K11/06

    CPC分类号： H10K85/654 ,  C09K11/06 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  C07B2200/05

    摘要： Provided is an organic light emitting device comprising a light emitting layer comprising an organic alloy of a compound of Chemical Formula 1 and a compound of Chemical Formula 2, the device having improved driving voltage, efficiency, and lifespan:




    where A is a benzene ring fused with the two adjacent rings, X1, X2 and X3 are each independently CH or N, provided that at least one of X1, X2 and X3 is N, Ar1-Ar5 are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C2-60 heteroaryl containing at least one of N, O and S, and the other substituents are defined in the specification, provided that at least one of Ar4 and Ar5 is substituted with at least one deuterium, or at least one R2 is deuterium.

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

    公开(公告)号：US20220093873A1

    公开(公告)日：2022-03-24

    申请号：US17420190

    申请日：2020-01-31

    申请人： LG CHEM, LTD.

    发明人： Ji Hye KIM ,  Sung Kil HONG ,  Minseung CHUN ,  Dong Uk HEO ,  Yeon Hwan KIM ,  Sang Duk SUH

    IPC分类号： H01L51/00

    摘要： Provided is an organic light emitting device having an excellent balance between luminous efficiency and lifespan, the organic light emitting device including: an anode; a cathode positioned opposite to the anode; a light emitting layer positioned between the anode and the cathode; a hole transport layer positioned between the anode and the light emitting layer; and an electron transport layer positioned between the light emitting layer and the cathode, wherein the electron transport layer includes a metal complex compound and an electron transport material having a heterogeneous electron transfer rate constant (K) of 1.2 to 1.65, and the heterogeneous electron transfer rate constant (K) is calculated by the following Mathematical Equation 1: K = k d + k a 2 〈 Mathematical ⁢ ⁢ Equation ⁢ ⁢ 1 〉 wherein in Mathematical Equation 1: kd (donating k) is an electron donating rate constant and ka (accepting k) is an electron accepting rate constant.

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

    公开(公告)号：US20210399223A1

    公开(公告)日：2021-12-23

    申请号：US17263514

    申请日：2019-09-20

    申请人： LG CHEM, LTD.

    发明人： Sang Duk SUH ,  Jae Seung HA ,  Dong Hoon LEE ,  Minseung CHUN ,  Ji Young CHOI ,  Woochul LEE ,  Joo Ho KIM ,  Hoon Jun KIM

    IPC分类号： H01L51/00

    摘要： 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.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
    9.
    发明申请
    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME 有权

    公开(公告)号：US20210363132A1

    公开(公告)日：2021-11-25

    申请号：US17278406

    申请日：2019-11-15

    申请人： LG CHEM, LTD.

    发明人： Min Woo JUNG ,  Dong Hoon LEE ,  Boon Jae JANG ,  Wanpyo HONG ,  Sang Duk SUH ,  Jungha LEE ,  Su Jin HAN ,  Seulchan PARK ,  Sunghyun HWANG

    IPC分类号： C07D403/14 ,  C07D495/22 ,  C07D493/22 ,  H01L51/00

    摘要： Provided is a compound of Chemical Formula 1: wherein: X1 to X6 are each independently CH or N, provided that at least one of X1 to X6 is N; Ar1 to Ar4 are each independently a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S, provided that at least one of Ar1 to Ar4 is any one of: R2 is hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; each R3 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O, and S; each R1 is independently hydrogen, deuterium, or a substituted or unsubstituted: C6-60 aryl or C2-60 heteroaryl containing one or more of N, O and S; and n is an integer of 0 to 8, and organic light emitting devices including the same.

    COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    10.
    发明申请
    COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME 有权

    公开(公告)号：US20210119137A1

    公开(公告)日：2021-04-22

    申请号：US16760598

    申请日：2019-01-25

    申请人： LG CHEM, LTD.

    发明人： Yongbum CHA ,  Sung Kil HONG ,  Seong So KIM ,  Minseung CHUN ,  Sang Duk SUH

    IPC分类号： H01L51/00 ,  C07D251/24 ,  C09K11/06 ,  C07D405/10 ,  C07D409/10

    摘要： Provided is a compound of Chemical Formula 1: wherein X1 is N or CRa, X2 is N or CRb, X3 is N or CRc, and one or more of X1 to X3 are N; Ar1 and Ar2 each independently is a substituted or unsubstituted alkyl, aryl group, or heteroaryl group; Ar3 is a substituted or unsubstituted aryl or heteroaryl group; L is a substituted or unsubstituted arylene group; R1 and R2 each independently is hydrogen, deuterium, or a substituted or unsubstituted alkyl or aryl group, or bond to each other to form a ring; R3 and Ra to Rc each independently is a hydrogen, deuterium, halogen, nitrile, nitro, hydroxyl, or a substituted or unsubstituted group selected from among a silyl, boron, alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, aralkyl, aralkenyl, alkylaryl, arylphosphine, phosphine oxide, aryl, or a heteroaryl group, or bond to adjacent groups to form a ring; a3 is 1 to 6; and n is 1 to 5, and an organic light emitting device comprising the same.