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公开(公告)号：US11968894B2
公开(公告)日：2024-04-23
申请号：US17118699
申请日：2020-12-11
发明人： Toshinari Ogiwara , Kei Yoshida , Satomi Tasaki
IPC分类号： H10K85/60 , C09K11/06 , H10K50/11 , H10K101/00 , H10K101/30
CPC分类号： H10K85/657 , C09K11/06 , H10K85/622 , H10K85/626 , H10K85/633 , H10K85/654 , H10K85/6572 , H10K85/6574 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1059 , C09K2211/1088 , H10K50/11 , H10K2101/30 , H10K2101/90
摘要： An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound, a second compound and a third compound. The first compound is a compound represented by a formula (1) below. The second compound has a larger singlet energy than a singlet energy of the first compound. The third compound is a fluorescent compound.
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公开(公告)号：US11264576B2
公开(公告)日：2022-03-01
申请号：US16469977
申请日：2017-12-19
发明人： Yumiko Mizuki , Kei Yoshida , Kiyoshi Ikeda , Masahiro Kawamura
IPC分类号： H01L51/00 , C07D493/04 , C09K11/02 , H01L51/50
摘要： Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
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公开(公告)号：US10811616B2
公开(公告)日：2020-10-20
申请号：US15866616
申请日：2018-01-10
IPC分类号： H01L51/00 , C07D405/14 , C07D487/14 , C07D235/08 , C07D403/14 , C07D307/91 , H01L51/50 , C09K11/06
摘要： An organic electroluminescence device includes: an anode; an emitting layer; and a cathode, the emitting layer containing a first material, a second material and a third material, the first material being a fluorescent material, the second material being a delayed fluorescent material, the third material having a singlet energy larger than a singlet energy of the second material.
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公开(公告)号：US10547009B2
公开(公告)日：2020-01-28
申请号：US15557681
申请日：2016-03-18
IPC分类号： H01L51/00 , C07D403/10 , C07D403/14 , C09K11/06 , H01L51/50
摘要： An organic electroluminescence device includes an anode, an emitting layer, and a cathode, the emitting layer including a delayed-fluorescent first compound represented by a formula (1), and a fluorescent second compound. In the formula (1), Ar1 is a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms and the like, and ArEWG is a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms and including one or more nitrogen atom in the ring, or an aryl group having 6 to 30 ring carbon atoms and substituted by one or more cyano group, at least one of Ar1 and ArX being at least one group selected from the group consisting of groups represented by a formula (1a) and the like.
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公开(公告)号：US09419231B2
公开(公告)日：2016-08-16
申请号：US13951110
申请日：2013-07-25
CPC分类号： H01L51/0072 , H01L51/0071 , H01L51/0073 , H01L51/5016 , H01L51/5275
摘要： An organic electroluminescence device including two or more organic thin film layers including an emitting layer between an anode and a cathode, the emitting layer including at least one compound represented by the following formula (1), and an organic thin film layer that is in contact with the emitting layer on the cathode side comprising at least one benzimidazole compound represented by the following formula (A):
摘要翻译： 一种有机电致发光器件，包括两个或更多个包括在阳极和阴极之间的发光层的有机薄膜层，所述发光层包括至少一种由下式（1）表示的化合物和接触的有机薄膜层 阴极侧的发光层包含由下式（A）表示的至少一种苯并咪唑化合物：
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公开(公告)号：US20160190469A1
公开(公告)日：2016-06-30
申请号：US14909023
申请日：2015-10-06
摘要： An organic electroluminescence device includes an anode, an emitting layer and a cathode, in which the emitting layer includes a first compound and a second compound. The first compound is a delayed-fluorescent compound. The second compound is represented by a formula (2) below, in which X is a nitrogen atom or a carbon atom bonded to Y; R21 to R26 are each independently a hydrogen atom or a substituent; Z21 and Z22 are each independently selected from the group consisting of a halogen atom, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, and a substituted or unsubstituted aryloxy group.
摘要翻译： 有机电致发光器件包括阳极，发光层和阴极，其中发光层包括第一化合物和第二化合物。 第一种化合物是延迟荧光化合物。 第二化合物由下式（2）表示，其中X是与Y键合的氮原子或碳原子; R 21〜R 26各自独立地为氢原子或取代基; Z 21和Z 22各自独立地选自卤素原子，取代或未取代的芳基，取代或未取代的烷氧基和取代或未取代的芳氧基。
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公开(公告)号：US11456425B2
公开(公告)日：2022-09-27
申请号：US16066004
申请日：2016-12-27
IPC分类号： H01L51/00 , C07D491/048 , C09K11/06 , H01L51/50
摘要： An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a delayed fluorescent first compound, a fluorescent second compound, and a third compound represented by Cz-Az. The second compound emits light with a main peak wavelength ranging from 430 nm to 540 nm. Az is a cyclic structure selected from the group consisting of a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted triazine ring, and a substituted or unsubstituted pyrazine ring. Cz is represented by a formula (3B) below.
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公开(公告)号：US11271164B2
公开(公告)日：2022-03-08
申请号：US16338769
申请日：2017-10-03
摘要： A compound is represented by a formula (2) below. In the formula (2), at least one pair of a pair of X1 and X2, a pair of X2 and X3, a pair of X3 and X4, a pair of X4 and X5, a pair of X7 and X8, a pair of X8 and X9, a pair of X10 and X11, a pair of X11 and X12, a pair of X12 and X13, and a pair of X16 and X1 are carbon atoms to be bonded to a structure represented by as formula (2a) or (2b) below,
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公开(公告)号：US11201297B2
公开(公告)日：2021-12-14
申请号：US16356183
申请日：2019-03-18
摘要： An organic electroluminescence device includes an anode, a second organic layer, a first organic layer, and a cathode in this order. The first organic layer contains a first compound and a second compound. The second organic layer contains a third compound. The first compound is a compound represented by a formula (1). The second compound is a delayed fluorescent compound. The third compound is a compound represented by a formula (3). In the formula (1), X is a nitrogen atom or a carbon atom bonded to Y, Y being a hydrogen atom or a substituent. In the formula (3), n is an integer ranging from 1 to 4, XB is a group represented by a formula (3A). In the formula (3A), Ar1 and Ar2 are each independently a monovalent or polyvalent aromatic hydrocarbon group, and Cz is a group represented by a formula (3B-1) or the like.
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公开(公告)号：US11059781B2
公开(公告)日：2021-07-13
申请号：US17015410
申请日：2020-09-09
发明人： Satomi Tasaki , Masahiro Kawamura , Toshinari Ogiwara , Hitoshi Kuma , Kei Yoshida , Keiji Okinaka
IPC分类号： H01L51/54 , C07D209/80 , C07D209/82 , C07D209/94 , C07D491/048 , C07D491/147 , C09K11/06 , H01L51/00 , H01L51/50
摘要： A compound is represented by a formula (1) below, in which k is an integer of 0 or more, m is an integer of 1 or more, n is an integer of 2 or more. L is a substituted or unsubstituted aromatic hydrocarbon ring having 6 to 30 ring carbon atoms, CN is a cyano group, and D1 and D2 are each independently represented by one of a formula (2), a formula (3) and formula (3x) below, D1 and D2 being optionally mutually the same or different.
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