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公开(公告)号:US11877509B2
公开(公告)日:2024-01-16
申请号:US16301574
申请日:2017-06-01
申请人: LG Chem, Ltd.
发明人: Yongbum Cha , Seong So Kim , Sung Jae Lee , Sung Kil Hong
IPC分类号: H10K85/60 , C07C211/61 , C07D235/08 , C07D401/10 , C07D405/10 , C09K11/06 , C07C15/27 , H10K50/00 , H10K99/00 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K101/10
CPC分类号: H10K85/633 , C07C15/27 , C07C211/61 , C07D235/08 , C07D401/10 , C07D405/10 , C09K11/06 , H10K50/00 , H10K85/615 , H10K85/622 , H10K85/626 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K99/00 , C07C2603/18 , C07C2603/42 , C07C2603/97 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1018 , H10K50/11 , H10K50/15 , H10K50/17 , H10K50/18 , H10K85/624 , H10K2101/10
摘要: The present specification relates to an organic light emitting device.
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公开(公告)号:US11631821B2
公开(公告)日:2023-04-18
申请号:US16771361
申请日:2019-02-22
申请人: LG CHEM, LTD.
发明人: Sang Duk Suh , Sung Kil Hong , Yongbum Cha , Seong So Kim , Minseung Chun
摘要: Provided is a heterocyclic compound of Chemical Formula 1: wherein: W1 and W2 are the same as or different from each other, and each independently is O or S; A1 and A2 each independently is a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; R1 to R7 each independently is hydrogen, deuterium, a nitrile group, a halogen group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted silyl group, a substituted or unsubstituted amine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and R1 to R7, A1 and A2 bond to adjacent substituents to form a substituted or unsubstituted ring, and an organic light-emitting device including the same.
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公开(公告)号:US12052913B2
公开(公告)日:2024-07-30
申请号:US17264462
申请日:2019-09-29
申请人: LG CHEM, LTD.
发明人: Jae Seung Ha , Seong So Kim , Minseung Chun , Sang Duk Suh , Min Woo Jung , Boon Jae Jang , Yongbum Cha , Dong Uk Heo , Jungha Lee
IPC分类号: H01L51/50 , H10K85/60 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K101/00 , H10K101/10
CPC分类号: H10K85/624 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/171 , H10K2101/10 , H10K2101/90
摘要: Provided is an organic electroluminescent device, the organic electroluminescent device comprising a cathode, an anode, and one or more organic material layers provided between the cathode and the anode, the one or more organic material layers comprising a light emitting layer, an electron transport region and a hole transport region, wherein all of the organic materials, other than a dopant, contained in the one or more organic material layers have a triplet state energy of 2.5 eV or higher, at least three types of the organic materials having a triplet state energy of 2.5 eV or higher have a triplet state energy of 2.7 eV or higher, and at least two types of the organic materials having a triplet state energy of 2.5 eV or higher include a spiro compound.
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公开(公告)号:US09882145B2
公开(公告)日:2018-01-30
申请号:US14898363
申请日:2013-11-07
申请人: LG Chem, Ltd.
发明人: Sangbin Lee , Dong Uk Heo , Jungi Jang , Seong So Kim , Dong Hoon Lee , Boonjae Jang , Minyoung Kang
IPC分类号: H01L51/00 , C07D251/24 , C07D403/10 , C09K11/06 , C07D401/10 , C09K11/02 , H01L51/50
CPC分类号: H01L51/0067 , C07D251/24 , C07D401/10 , C07D403/10 , C09K11/025 , C09K11/06 , H01L51/0052 , H01L51/0058 , H01L51/0072 , H01L51/5012 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092
摘要: The present specification provides a novel compound greatly improving the life span, efficiency, electrical and chemical stability and thermal stability of an organic light emitting device, and an organic light emitting device containing the compound in an organic compound layer.
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公开(公告)号:US09728728B2
公开(公告)日:2017-08-08
申请号:US14101700
申请日:2013-12-10
申请人: LG CHEM, LTD.
发明人: Sung Kil Hong , Yun Hwan Kim , Jungoh Huh , Seongmi Cho , Seong So Kim , Yongbum Cha
CPC分类号: H01L51/0061 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1029 , C09K2211/1044 , C09K2211/1059 , C09K2211/1092 , H01L51/0051 , H01L51/0052 , H01L51/0059 , H01L51/0072 , H01L51/0085 , H01L51/5016 , H01L51/5056 , H01L51/5072
摘要: The present invention provides a novel compound that is capable of largely improving a life span, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device in which the compound is included in an organic compound layer.
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公开(公告)号:US11956982B2
公开(公告)日:2024-04-09
申请号:US17046055
申请日:2019-06-25
申请人: LG CHEM, LTD.
发明人: Minseung Chun , Seong So Kim , Jae Seung Ha
CPC分类号: H10K50/19 , H10K50/11 , H10K85/342 , H10K85/40 , H10K85/60 , H10K85/615 , H10K85/622 , H10K85/626 , H10K85/633 , H10K85/636 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K2102/351
摘要: Provided is an organic light-emitting device including: an anode; a cathode facing the anode; two or more light-emitting layers provided between the anode and the cathode and each having a maximum light emission peak of ≤500 nm (≤500 nm emission layer); and a light-emitting layer provided between the two or more ≤500 nm emission layers, and having a maximum light emission peak at >500 nm (>500 nm emission layer), where a distance from the anode to the ≤500 nm emission layer most adjacent to the anode is 100 nm to 200 nm, the distance from the anode to the ≤500 nm emission most adjacent to the cathode is three to four times the distance from the anode to the ≤500 nm emission layer most adjacent to the anode, and an N-type charge generation layer including an alkali metal and a P-type charge generation layer including a material with an electron affinity of ≥4.8 eV are provided between each of the ≤500 nm emission layers and the emission >500 nm emission layer.
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公开(公告)号:US11239425B2
公开(公告)日:2022-02-01
申请号:US16316608
申请日:2018-03-08
申请人: LG CHEM, LTD.
发明人: Sang Duk Suh , Sung Kil Hong , Seong So Kim
摘要: The present invention relates to an organic light emitting device including a light emitting layer comprising a compound represented by Chemical Formula 1 and an electron transport region comprising a compound represented by Chemical Formula 2, and having improved driving voltage, efficiency and lifetime.
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公开(公告)号:US10734590B2
公开(公告)日:2020-08-04
申请号:US16376921
申请日:2019-04-05
申请人: LG CHEM, LTD.
发明人: Minyoung Kang , Dong Hoon Lee , Boonjae Jang , Jungi Jang , Seong So Kim
IPC分类号: H01L51/00 , H05B33/20 , C07D471/06 , C07D487/06 , C07F9/6561 , C09K11/02 , C09K11/06 , C07D498/06 , C07D513/06 , C07F9/6584 , H01L51/50 , H01L51/52
摘要: The present specification provides a heterocyclic compound and an organic light emitting device using the same.
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公开(公告)号:US20190296238A1
公开(公告)日:2019-09-26
申请号:US16301574
申请日:2017-06-01
申请人: LG Chem, Ltd.
发明人: Yongbum Cha , Seong So Kim , Sung Jae Lee , Sung Kil Hong
IPC分类号: H01L51/00 , C07C211/61 , C09K11/06 , C07D235/08 , C07D401/10 , C07D405/10
摘要: The present specification relates to an organic light emitting device.
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公开(公告)号:US10263193B2
公开(公告)日:2019-04-16
申请号:US15025119
申请日:2014-09-29
申请人: LG CHEM, LTD.
发明人: Minyoung Kang , Dong Hoon Lee , Boonjae Jang , Jungi Jang , Seong So Kim
IPC分类号: H01L51/00 , C07D471/06 , C07D487/06 , C07D498/06 , C07D513/06 , C07F9/6561 , H05B33/20 , C09K11/02 , C09K11/06 , C07F9/6584 , H01L51/50 , H01L51/52
摘要: Disclosed are a heterocyclic compound represented by the following Chemical Formula having proper energy level, and excellent electrochemical stability and thermal stability, and an organic light emitting device using the same:
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