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公开(公告)号:US10276803B2
公开(公告)日:2019-04-30
申请号:US15293889
申请日:2016-10-14
申请人: KYULUX, INC
发明人: Chihaya Adachi , Hiroki Uoyama , Hiroko Nomura , Kenichi Goushi , Takuma Yasuda , Ryosuke Kondo , Katsuyuki Shizu , Hajime Nakanotani , Junichi Nishide
IPC分类号: C07D209/88 , H01L51/00 , C07D209/86 , C09K11/06 , C07D209/18 , C07D209/08 , H01L51/50
摘要: An organic light-emitting device having a light-emitting layer containing a compound represented by the general formula below has a high light emission efficiency. In the general formula, at least one of R1 to R5 represents a cyano group, at least one of R1 to R5 represents a 9-carbazolyl group, a 1,2,3,4-tetrahydro-9-carbazolyl group, a 1-indolyl group or a diarylamino group, and the balance of R1 to R5 represents a hydrogen atom or a substituent.
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公开(公告)号:US10050215B2
公开(公告)日:2018-08-14
申请号:US15121461
申请日:2015-02-25
申请人: KYULUX, INC.
发明人: Masatsugu Taneda , Katsuyuki Shizu , Hiroyuki Tanaka , Hiroki Noda , Hajime Nakanotani , Chihaya Adachi
IPC分类号: H01L51/00 , C07C255/58 , C07D209/86 , C09K11/06 , H01L51/50
CPC分类号: H01L51/0072 , C07C255/58 , C07D209/86 , C09K11/06 , C09K2211/1007 , C09K2211/1014 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , H01L51/0059 , H01L51/5012
摘要: A compound represented by the general formula (1) is useful as a light-emitting material. R1, R3, and R5 each represent a cyano group, or R1, R2, R4, and R5 each represent a cyano group; and the others of R1 to R6 each represent a group represented by any one of the following general formula (4), etc.
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公开(公告)号:US11450817B2
公开(公告)日:2022-09-20
申请号:US17071719
申请日:2020-10-15
申请人: KYULUX, INC.
摘要: An organic electroluminescent device having an anode, a cathode, and a light emitting layer between the anode and the cathode, in which the light emitting layer contains a first organic compound, a second organic compound, and a third organic compound that satisfy the following expression (A), the second organic compound is a delayed fluorescent material, and the third organic compound is a light emitting material, is capable of enhancing the light emission efficiency. ES1(A), ES1(B) and ES1(C) represent a lowest singlet excitation energy level of the first, second and third organic compound, respectively. ES1(A)>ES1(B)>ES1(C) (A)
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公开(公告)号:US11322693B2
公开(公告)日:2022-05-03
申请号:US16471217
申请日:2017-12-20
发明人: Masashi Mamada , Chihaya Adachi , Hajime Nakanotani , YuSeok Yang
摘要: Disclosed is an organic light-emitting device using a compound capable of emitting delayed fluorescence and capable of undergoing intramolecular hydron transfer. The compound includes, for example, a compound represented by the general formula. X1 to X3 each represent O or S; R1 to R6 each represent nH or a substituent; n, n1 to n3 each represent an integer of 1 to 3.
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公开(公告)号:US11637244B2
公开(公告)日:2023-04-25
申请号:US16471231
申请日:2017-12-21
发明人: Yan Geng , Chihaya Adachi , Hajime Nakanotani , Naoto Notsuka , Keiro Nasu
IPC分类号: H01L51/00 , C09K11/06 , C09K11/02 , C07D401/10 , C07D251/24 , H01L51/50
摘要: A compound represented by the following general formula is excellent in light emission properties. R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A represents a substituent in which Hammett's σp value is positive.
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公开(公告)号:US11038118B2
公开(公告)日:2021-06-15
申请号:US16066814
申请日:2016-12-28
发明人: Keiro Nasu , Chihaya Adachi , Hajime Nakanotani , Hiroko Nomura
摘要: A compound having a structure represented by the following general formula emits delayed fluorescent light and is useful as a light-emitting material. Three or more of R1, R2, R4, and R5 each represent a 9-carbazolyl group, a 10-phenoxazyl group, or a 10-phenothiazyl group, and the balance thereof and R3 each represent a hydrogen atom or a substituent, but exclude a cyano group. R3 excludes an aryl group, a heteroaryl group, and an alkynyl group.
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公开(公告)号:US10510977B2
公开(公告)日:2019-12-17
申请号:US16066718
申请日:2016-12-28
发明人: Keiro Nasu , Chihaya Adachi , Hajime Nakanotani , YuSeok Yang , Hiroko Nomura
IPC分类号: H01L51/50 , H01L51/00 , H01L51/52 , C07D209/86
摘要: A compound having a structure represented by the following general formula emits delayed fluorescent light, and is useful as a light-emitting material. One or more of R1, R2, R3, R4, and R5 represent a 9-carbazolyl group having a substituent at at least one of 1-position and 8-position, or a 10-phenoxazyl group or 10-phenothiazyl group having a substituent at at least one of 1-position and 9-position. The balance thereof represents a hydrogen atom or a substituent.
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公开(公告)号:US09660199B2
公开(公告)日:2017-05-23
申请号:US14379567
申请日:2013-05-10
申请人: KYULUX, INC.
IPC分类号: H01L51/54 , C09K11/06 , H01L51/00 , C07D401/10 , C07D403/10 , C07D403/14 , C07D413/10 , C07D417/10 , C07D413/14 , C07D413/04 , C07D251/24 , H01L51/50
CPC分类号: H01L51/0067 , C07D251/24 , C07D401/10 , C07D403/10 , C07D403/14 , C07D413/04 , C07D413/10 , C07D413/14 , C07D417/10 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , H01L51/0071 , H01L51/0072 , H01L51/5012 , H01L51/5016 , H01L2251/5376
摘要: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), Ar1 to Ar3 represent an aryl group, provided that at least one thereof represents an aryl group substituted by a group represented by the general formula (2). In the general formula (2), R1 to R8 represent a hydrogen atom or a substituent; Z represents O, S, O═C or Ar4—N; and Ar4 represents an aryl group.
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