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公开(公告)号:US11937497B2
公开(公告)日:2024-03-19
申请号:US17274238
申请日:2019-11-06
申请人: LG CHEM, LTD.
发明人: Jae Seung Ha , Minseung Chun , Woochul Lee , Sujeong Geum , Hongsik Yoon
IPC分类号: H10K85/60 , H10K85/30 , H10K50/11 , H10K101/10 , H10K101/00
CPC分类号: H10K85/60 , H10K85/30 , H10K85/615 , H10K85/622 , H10K85/624 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K50/11 , H10K2101/10 , H10K2101/90
摘要: Provided is an organic light-emitting device including: an anode; a cathode provided to face the anode; and organic material layers including a light emitting layer disposed between the anode and the cathode, wherein the light emitting layer, one or more layers of the organic material layers disposed between the anode and the light emitting layer, and one or more layers from among the organic material layers disposed between the cathode and the light emitting layer, each include one or more compounds each composed of sp3 carbon as a center, the light emitting layer includes a host including one or more anthracene-based compounds, and among organic materials included in the organic material layers, the bandgap energy (Ebg) of each of the organic materials except for a dopant compound is 3 eV or more.
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公开(公告)号:US20230331639A1
公开(公告)日:2023-10-19
申请号:US17913758
申请日:2021-03-23
申请人: LG CHEM, LTD.
发明人: Sunmin Kim , Wanpyo Hong , Woochul Lee , Kyung Seok Jeong , Woo Han Kim
IPC分类号: C07B59/00
CPC分类号: C07B59/001 , C07B2200/05
摘要: A method for preparing a deuterated compound, and a composition including the deuterated compound are provided. The method comprises preparing a compound of Chemical Formula 2 by reacting a compound of Chemical Formula 1; a deuterium source; and a metal catalyst, and forming a compound of Chemical Formula 3 by using the compound of Chemical Formula 2:
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公开(公告)号:US20220384733A1
公开(公告)日:2022-12-01
申请号:US17609361
申请日:2020-11-30
申请人: LG CHEM, LTD.
发明人: Ji Young Choi , Jae Seung Ha , Wanpyo Hong , Woochul Lee , Joo Ho Kim , Sujeong Geum , Hoon Jun Kim , Hojung Lee , Seonwoo Kim
IPC分类号: H01L51/00
摘要: An organic light emitting device including a light emitting layer, which comprises a compound represented by Formula 1 and a compound represented by Formula 2.
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公开(公告)号:US20220302392A1
公开(公告)日:2022-09-22
申请号:US17630095
申请日:2020-10-29
申请人: LG CHEM, LTD.
发明人: Jaegoo Lee , Yongbum Cha , Dong Uk Heo , Woochul Lee , Dongkeun Song , Jiyoung Noh
IPC分类号: H01L51/00
摘要: The present disclosure relates to an organic light emitting device having improved driving voltage, efficiency and lifetime.
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公开(公告)号:US12133455B2
公开(公告)日:2024-10-29
申请号:US17056224
申请日:2019-06-26
申请人: LG CHEM, LTD.
发明人: Ki Kon Lee , Sang Duk Suh , Sujeong Geum , Moung Gon Kim , Kyunghee Kim , Dong Hoon Lee , Tae Yoon Park , Dongheon Kim , Woochul Lee
IPC分类号: H01L51/50 , C07F5/02 , C09K11/06 , H10K85/30 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/00 , H10K101/10
CPC分类号: H10K85/322 , C07F5/027 , C09K11/06 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K2101/10 , H10K2101/90
摘要: Provided is a compound of Formula 1:
wherein:
Cy1 and Cy2 are each independently a substituted or unsubstituted hetero ring;
R1 to R5 are the same as or different from each other, and are each independently hydrogen, deuterium, a halogen group, a cyano group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amino group, a silyl group, a boron group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group;
n1 and n2 are each an integer from 0 to 4;
n3 to n5 are each an integer from 0 to 3; and
when n1 to n5 are each 2 or more, two or more substituents in the parenthesis are the same as or different from each other,
and an organic light emitting device including the same.-
公开(公告)号:US11974497B2
公开(公告)日:2024-04-30
申请号:US16308231
申请日:2017-07-03
申请人: LG CHEM, LTD.
发明人: Ki Dong Koo , Hyunseok Jeong , Kongkyeom Kim , Younghee Lee , Woochul Lee
IPC分类号: H10K85/60 , C07D307/91 , C07D471/00 , C07D491/147 , C07D491/20 , C07D491/22 , C07D495/14 , C07D495/20 , C07D495/22 , C07F7/08 , C09K11/06 , H10K50/00 , H10K50/11 , H10K85/40 , H10K99/00
CPC分类号: H10K85/636 , C07D307/91 , C07D471/00 , C07D491/147 , C07D491/20 , C07D491/22 , C07D495/14 , C07D495/20 , C07D495/22 , C07F7/0812 , C09K11/06 , H10K50/00 , H10K85/40 , H10K99/00 , H10K50/11 , H10K85/654 , H10K85/6572 , H10K85/6574
摘要: A compound of Chemical Formula 4 or 5:
wherein: one of X1 and X2 is a direct bond, and the other is O, S, or CY1Y2, one of X3 and X4 is a direct bond, and the other is O, S, or CY3Y4, W1 to W4 are each independently N or CRa, and one or more of W1 to W4 are N, Y1 to Y4 are the same as or different from each other, and are each independently an alkyl group having 1 to 20 carbon atoms, and the other substituents are as defined in the specification; and an organic light emitting device comprising the same. The compound can lower the driving voltage, improve the light efficiency, and enhance service life characteristics of the device due to thermal stability of the compound.-
公开(公告)号:US20230114182A1
公开(公告)日:2023-04-13
申请号:US17611452
申请日:2020-11-30
申请人: LG CHEM, LTD.
发明人: Seonwoo Kim , Hojung Lee , Sujeong Geum , Hoon Jun Kim , Jae Seung Ha , Ji Young Choi , Wanpyo Hong , Woochul Lee , Joo Ho Kim , Moung Gon Kim , Kyunghee Kim , Hye Min Cho
摘要: The present specification provides an organic light emitting device including a light emitting layer.
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公开(公告)号:US20210217963A1
公开(公告)日:2021-07-15
申请号:US17056634
申请日:2019-10-11
申请人: LG CHEM, LTD.
发明人: Ji Young Choi , Sang Duk Suh , Woochul Lee , Joo Ho Kim , Hoon Jun Kim , Dong Hoon Lee
IPC分类号: H01L51/00
摘要: The present specification provides an organic light emitting device including a first electrode, a second electrode provided to face the first electrode, and an organic material layer including a light emitting layer provided between the first electrode and the second electrode, the light emitting layer including a compound represented by Formula 1 and a compound represented by Formula 2.
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公开(公告)号:US11950440B2
公开(公告)日:2024-04-02
申请号:US17294277
申请日:2020-01-17
申请人: LG CHEM, LTD.
发明人: Jaegoo Lee , Dongkeun Song , Jiyoung Noh , Yongbum Cha , Woochul Lee
IPC分类号: H10K50/15 , H10K50/11 , H10K101/40
CPC分类号: H10K50/15 , H10K50/11 , H10K2101/40
摘要: An organic light emitting device comprising an anode, a hole transport layer, a light emitting layer including a host and a dopant, and a cathode, where a difference between a dipole moment value of a compound included in the hole transport layer and a dipole moment value of the host is 1.0 to 2.0, and the organic light emitting device having low driving voltage, high emission efficiency and long lifetime characteristics.
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公开(公告)号:US20230141364A1
公开(公告)日:2023-05-11
申请号:US17916651
申请日:2021-08-03
申请人: LG Chem, Ltd.
发明人: Won Jung Lee , Su Youn Han , Woochul Lee , Byung Hyun Park , Byoung Hyoun Kim
CPC分类号: C07C15/28 , H10K85/615 , H10K50/12 , C07B2200/05
摘要: The present specification relates to a composition including two or more compounds represented by Chemical Formula 1 and having a different number of deuterium substitution, wherein, in the composition, the number of deuterium of an isotope having a highest isotope content among each isotope content for each mass number of the two or more compounds having a different number of deuterium substitution is 12 or greater, and an electronic device and an organic light emitting device including the same.
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