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公开(公告)号:US11557736B2
公开(公告)日:2023-01-17
申请号:US16644946
申请日:2018-07-25
申请人: LG CHEM, LTD.
发明人: Seoyeon Kim , Tae Yoon Park , Sang Young Jeon , Dong Hoon Lee , Jung Ha Lee
摘要: Provided is an organometallic compound of Chemical Formula 1: wherein, in Chemical Formula 1: X is O, S, NH, or Se; R1 is —Si(Ra)(Rb)(Rc), where Ra, Rb, and Rc are hydrogen, deuterium, or a substituted or unsubstituted C1-10 alkyl; R2, R3 and R4 are each independently hydrogen, deuterium, halogen, cyano, amino, a substituted or unsubstituted C1-60 alkyl, a substituted or unsubstituted C1-60 haloalkyl, a substituted or unsubstituted C1-60 alkoxy, a substituted or unsubstituted C1-60 haloalkoxy, a substituted or unsubstituted C3-60 cycloalkyl, a substituted or unsubstituted c2-60 alkenyl, a substituted or unsubstituted C6-60 aryl, a substituted or unsubstituted C6-60 aryloxy, or a substituted or unsubstituted C2-60 heterocyclic group containing one or more heteroatoms selected from the group consisting of N, O and S; a and b are each 0 and 1, or 1 and 0, respectively; and n is 1 or 2, and an organic light emitting device including the same.
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公开(公告)号:US20220085300A1
公开(公告)日:2022-03-17
申请号:US17431613
申请日:2020-11-11
申请人: LG CHEM, LTD.
发明人: Minjun Kim , Young Seok Kim , Seoyeon Kim , Da Jung Lee , Dong Hoon Lee , Yongbum Cha , Sang Duk Suh , Donghee Kim , Joongsuk Oh , Seung Won Choi , Jaehoon Sim
IPC分类号: H01L51/00 , C07D405/04 , C09K11/06 , C07D405/14 , C07D409/14 , C07D405/10 , C07C211/54 , C07D307/91 , C07D333/76 , C07D209/86 , C07C211/61
摘要: An organic light emitting device including a light emitting layer which comprises a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2, and the organic light emitting device having improved driving voltage, efficiency and lifetime.
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公开(公告)号:US11621397B2
公开(公告)日:2023-04-04
申请号:US16621192
申请日:2019-01-17
申请人: LG CHEM, LTD.
发明人: Seoyeon Kim , Dong Hoon Lee , Tae Yoon Park , Sang Young Jeon , Jungha Lee
摘要: Provided is a compound of Chemical Formula 1: and to an organic light emitting device comprising the same.
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公开(公告)号:US11581494B2
公开(公告)日:2023-02-14
申请号:US16753497
申请日:2018-12-27
申请人: LG CHEM, LTD.
发明人: Jungha Lee , Tae Yoon Park , Seongmi Cho , Dong Hoon Lee , Min Woo Jung , Su Jin Han , Seoyeon Kim
摘要: Provided is an organic light emitting device, comprising: an anode; a cathode disposed opposite to the anode; and one or more organic material layers disposed between the anode and cathode, the organic material layer including a light emitting layer that includes a compound of Chemical Formula 1 and a compound Chemical Formula 2: wherein: one of R21, R22, R23, and R24 is -L21-Ar1, and the remaining are hydrogen; and one of R31, R32, R33, and R34 is -L22-Ar2, and the remaining are hydrogen; excluding compounds where: R21 is -L21-Ar1 and R31 is -L22-Ar2, R22 is -L21-Ar1 and R32 is -L22-Ar2, R23 is -L21-Ar1 and R33 is -L22-Ar2, or R24 is -L21-Ar1 and R34 is -L22Ar2; L21 and L22 each is a single bond, or a substituted or unsubstituted C6-60 arylene; X2 is O or S; and Ar1 is Chemical Formula 3:
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公开(公告)号:US20230049674A1
公开(公告)日:2023-02-16
申请号:US17286792
申请日:2020-03-13
申请人: LG CHEM, LTD.
发明人: Minjun Kim , Dong Hoon Lee , Sang Duk Suh , Donghee Kim , Seoyeon Kim , Da Jung Lee , Seung Won Choi
IPC分类号: H01L51/00 , C07D405/14 , C09K11/06 , C07D409/14 , C07D209/86
摘要: An organic light emitting device comprising a first electrode, a second electrode provided to face the first electrode, and a light emitting layer provided between the first electrode and the second electrode and including a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, the organic light emitting device which exhibits low driving voltage, high emission efficiency, and long lifespan characteristics.
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