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    ORGANIC LIGHT-EMITTING DIODE
    1.
    发明申请
    ORGANIC LIGHT-EMITTING DIODE 审中-公开

    公开(公告)号：US20200343450A1

    公开(公告)日：2020-10-29

    申请号：US16757990

    申请日：2019-01-11

    Applicant: LG CHEM, LTD.

    Inventor： Jae Seung HA ,  Yeon Hwan KIM ,  Min Woo LEE ,  Hyeon Jin MUN

    IPC: H01L51/00 ,  C07C211/61 ,  C09K11/06 ,  C07D333/76 ,  C07D221/20 ,  C07D405/12 ,  C07D401/12 ,  C07D487/04

    Abstract: Provided is an organic light-emitting diode comprising: a positive electrode; a negative electrode provided to face the positive electrode; a light-emitting layer provided between the positive electrode and the negative electrode; a hole adjusting layer having one or more layers provided between the positive electrode and the light-emitting layer, in which one or more layers of the hole adjusting layers includes at least one compound of Formulae 1 or Formula 2, and the light-emitting layer includes a compound of Formula 3: wherein: G1 to G4 are each independently a substituted or unsubstituted alkyl or aryl group; L1 to L7 are each independently a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; at least one of X1 to X3 is N, and any remaining is each CR8; and Ar1 to Ar6 are each independently a substituted or unsubstituted aryl or heteroaryl group, or Ar2 and Ar3 together form a substituted or unsubstituted hetero ring.

    ORGANIC LIGHT EMITTING DEVICE
    2.
    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

    Applicant: LG CHEM, LTD.

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

    IPC: H01L51/00

    Abstract: 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.

    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
    4.
    发明申请
    NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME 审中-公开

    公开(公告)号：US20200235304A1

    公开(公告)日：2020-07-23

    申请号：US16650156

    申请日：2018-10-17

    Applicant: LG CHEM, LTD.

    Inventor： Jun YUN ,  Joo Yong YOON ,  Yeon Hwan KIM ,  Wanpyo HONG

    IPC: H01L51/00 ,  C07C255/35

    Abstract: Provided is a compound of Chemical Formula 1: where R1 and R2 are each independently hydrogen, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 haloalkoxy, halogen, cyano, tri(C1-60 alkyl)silyl, a substituted or unsubstituted C6-60 aryl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of O, N, Si and S,R3 and R4 are each independently hydrogen, deuterium, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 haloalkoxy, halogen, cyano, tri(C1-60 alkyl)silyl, or a substituted or unsubstituted C2-60 heteroaryl containing at least one of O, N, Si and S, andAr is C6-60 aryl, or C2-60 heteroaryl containing at least one of O, N, Si and S, wherein the C6-60 aryl, or C2-60 heteroaryl is substituted with 1 to 5 substituents each selected from the group consisting of a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 haloalkoxy, halogen, cyano, and tri(C1-60 alkyl)silyl,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：US20210009894A1

    公开(公告)日：2021-01-14

    申请号：US16754904

    申请日：2018-10-05

    Applicant: LG CHEM, LTD.

    Inventor： Jae Seung HA ,  Yeon Hwan KIM ,  Sang Young JEON ,  Sung Kil HONG ,  Yong Bum CHA ,  Seong Mi CHO

    IPC: C09K11/06 ,  H01L51/50 ,  H01L51/00

    Abstract: Provided is a compound of Chemical Formula 1: wherein: L11 is a single bond or a substituted or unsubstituted C6-60 arylene; L12 and L13 are each independently a single bond or a substituted or unsubstituted C6-60 arylene; R11 is a substituted or unsubstituted C6-60 aryl; R12 and R13 are each independently any one substituent selected from the group consisting of the following: wherein, each R′ is independently a substituted or unsubstituted C6-60 aryl, and R14 and R15 are hydrogen, or are linked to each other, and an organic light emitting device including the same.

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