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公开(公告)号:US12089491B2
公开(公告)日:2024-09-10
申请号:US17401948
申请日:2021-08-13
发明人: Sachiko Kawakami , Tsunenori Suzuki , Yusuke Takita , Satoshi Seo
IPC分类号: H01L51/50 , C07D307/77 , C09K11/06 , H10K85/60 , H10K50/11 , H10K50/15 , H10K59/121 , H10K101/30 , H10K101/40
CPC分类号: H10K85/636 , C07D307/77 , C09K11/06 , H10K85/633 , H10K85/6572 , H10K85/6574 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , H10K50/11 , H10K50/15 , H10K50/156 , H10K59/1213 , H10K85/622 , H10K85/626 , H10K2101/30 , H10K2101/40
摘要: A novel light-emitting element is provided. A light-emitting element with a long lifetime is provided. A light-emitting element with high emission efficiency is provided. A novel organic compound is provided. A novel organic compound having a hole-transport property is provided. A novel hole-transport material is provided. A hole-transport material including an organic compound having a substituted or unsubstituted benzonaphthofuran skeleton and a substituted or unsubstituted amine skeleton is provided. A light-emitting element using the hole-transport material is provided. An organic compound in which an amine skeleton including two aromatic hydrocarbon groups having 6 to 60 carbon atoms is bonded to the 6- or 8-position of the benzonaphthofuran skeleton is provided.
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公开(公告)号:US12089490B2
公开(公告)日:2024-09-10
申请号:US17263248
申请日:2019-07-24
IPC分类号: C07D405/12 , H10K85/60 , H10K50/15
CPC分类号: H10K85/636 , C07D405/12 , H10K50/15 , H10K85/6572 , H10K85/6574
摘要: A novel organic compound is provided. A novel organic compound having a hole-transport property is provided. A novel hole-transport material is provided. A novel light-emitting element is provided. Alight-emitting element with a favorable lifetime is provided. A light-emitting element with favorable emission efficiency is provided. An organic compound having a substituted or unsubstituted benzonaphthofuran skeleton, a substituted or unsubstituted carbazole skeleton, and a substituted or unsubstituted amine skeleton is provided. Alternatively, a light-emitting element that uses the hole-transport material is provided.
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公开(公告)号:US12063803B2
公开(公告)日:2024-08-13
申请号:US17356716
申请日:2021-06-24
发明人: Naoaki Hashimoto , Tsunenori Suzuki , Satoshi Seo , Hiromi Seo , Hiromitsu Kido
IPC分类号: H10K50/11 , H10K50/15 , H10K50/16 , H10K59/38 , G09G3/3266 , G09G3/3275 , H01L27/146 , H10K50/14 , H10K50/17 , H10K50/818 , H10K50/842 , H10K50/856 , H10K50/86 , H10K59/121 , H10K59/126 , H10K59/131 , H10K59/32 , H10K59/35 , H10K59/40 , H10K85/60 , H10K101/00 , H10K101/10
CPC分类号: H10K50/11 , H10K50/15 , H10K50/16 , H10K59/38 , G09G3/3266 , G09G3/3275 , G09G2300/0408 , G09G2300/0804 , H01L27/14678 , H10K50/14 , H10K50/17 , H10K50/171 , H10K50/818 , H10K50/8426 , H10K50/856 , H10K50/865 , H10K59/1216 , H10K59/126 , H10K59/131 , H10K59/32 , H10K59/35 , H10K59/40 , H10K85/615 , H10K85/622 , H10K85/626 , H10K85/633 , H10K85/654 , H10K85/6572 , H10K85/6576 , H10K2101/10 , H10K2101/90
摘要: A light-emitting element that includes a fluorescent material and has a high emission efficiency is provided. A light-emitting element in which a delayed fluorescence component due to TTA accounts for a high proportion of emissive components is provided. A novel light-emitting device with a high emission efficiency and a low power consumption is provided. A light-emitting element includes an anode, a cathode, and an EL layer. The EL layer includes a light-emitting layer including a host material and an electron-transport layer including a first material in contact with the light-emitting layer. The LUMO level of the first material is lower than that of the host material. The proportion of a delayed fluorescence component due to TTA is greater than or equal to 10 percent of the light emission from the EL layer. The proportion of the delayed fluorescence component due to TTA may be greater than or equal to 15 percent of the light emission.
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4.
公开(公告)号:US20240124477A1
公开(公告)日:2024-04-18
申请号:US18382640
申请日:2023-10-23
发明人: Kyoko Takeda , Harue Osaka , Satoshi Seo , Tsunenori Suzuki , Naoaki Hashimoto , Yusuke Takita
IPC分类号: C07D491/048 , C07D495/00 , H10K85/60
CPC分类号: C07D491/048 , C07D495/00 , H10K85/636 , H10K85/6572 , H10K85/6574 , H10K85/6576
摘要: A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, an organic compound with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound including at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is boneded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzofuranobenzothiophene skeleton is provided.
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公开(公告)号:US11925109B2
公开(公告)日:2024-03-05
申请号:US17116031
申请日:2020-12-09
发明人: Kyoko Takeda , Harue Osaka , Hiroshi Kadoma , Satoshi Seo , Tsunenori Suzuki , Naoaki Hashimoto
IPC分类号: H01L51/00 , H10K85/60 , C07D493/04 , C09K11/06 , H10K50/11
CPC分类号: H10K85/636 , C07D493/04 , C09K11/06 , C09K2211/1007 , C09K2211/1018 , H10K50/11 , H10K85/6572 , H10K85/6574
摘要: A novel organic compound with favorable thermophysical properties is provided. An organic compound represented by General Formula (G1) is provided. At least one of X1 to X5 is a secondary or tertiary alkyl group having 3 to 6 carbon atoms in which a carbon atom bonded to a phenyl group branches. Each of R1 to R7 is independently any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and an unsubstituted or alkyl-substituted aryl group having 6 to 13 carbon atoms. Ar1 represents a substituted or unsubstituted condensed heteroaromatic ring skeleton having 8 to 60 carbon atoms and composed of two or more aromatic rings, and Ar2 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Furthermore, n is any of 1 to 3.
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公开(公告)号:US11917882B2
公开(公告)日:2024-02-27
申请号:US17104398
申请日:2020-11-25
IPC分类号: C07D307/77 , C09K11/06 , H01L51/50 , H10K59/35 , H10K50/11 , H10K50/19 , H10K59/32 , H10K85/60 , H10K50/13 , H10K59/40 , H10K101/10 , H10K101/00
CPC分类号: H10K59/351 , C07D307/77 , C09K11/06 , H10K50/11 , H10K50/19 , H10K59/32 , H10K85/622 , H10K85/633 , H10K85/636 , H10K85/6574 , C09K2211/1007 , C09K2211/1011 , C09K2211/1014 , C09K2211/1088 , H10K50/131 , H10K59/40 , H10K85/626 , H10K2101/10 , H10K2101/27
摘要: A light-emitting device, an electronic device, or a lighting device with low power consumption and high reliability is provided. The light-emitting device includes a first light-emitting element, a second light-emitting element, a third light-emitting element, and a fourth light-emitting element. The first to fourth light-emitting elements include the same EL layer between an anode and a cathode. The EL layer includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer contains a fluorescent substance. The peak wavelength of an emission spectrum of the fluorescent substance in a toluene solution of the fluorescent substance is 440 nm to 460 nm, preferably 440 nm to 455 nm. The second light-emitting layer contains a phosphorescent substance. The first light-emitting element exhibits blue emission. The second light-emitting element exhibits green emission. The third light-emitting element exhibits red emission. The fourth light-emitting element exhibits yellow emission.
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公开(公告)号:US11834457B2
公开(公告)日:2023-12-05
申请号:US17574752
申请日:2022-01-13
发明人: Kyoko Takeda , Harue Osaka , Satoshi Seo , Tsunenori Suzuki , Naoaki Hashimoto , Yusuke Takita
IPC分类号: C07D491/048 , C07D495/00 , H01L51/00 , H01L51/50 , H10K85/60
CPC分类号: C07D491/048 , C07D495/00 , H10K85/636 , H10K85/6572 , H10K85/6574 , H10K85/6576
摘要: A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, an organic compound with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound including at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is bonded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzofuranobenzothiophene skeleton is provided.
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公开(公告)号:US11795182B2
公开(公告)日:2023-10-24
申请号:US17550777
申请日:2021-12-14
发明人: Hiroki Suzuki , Tsunenori Suzuki , Satoshi Seo
IPC分类号: H01L51/50 , C07F5/02 , C07D307/91 , C07D333/76 , C09K11/06 , H05B33/10 , H10K85/60 , H10K50/11 , H10K85/30 , H10K101/10
CPC分类号: C07F5/025 , C07D307/91 , C07D333/76 , C09K11/06 , H05B33/10 , H10K85/615 , H10K85/626 , H10K85/6574 , H10K85/6576 , C09K2211/1007 , C09K2211/1011 , C09K2211/1088 , C09K2211/1092 , H10K50/11 , H10K85/324 , H10K85/631 , H10K85/633 , H10K2101/10
摘要: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.
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公开(公告)号:US20220194954A1
公开(公告)日:2022-06-23
申请号:US17574752
申请日:2022-01-13
发明人: Kyoko Takeda , Harue Osaka , Satoshi Seo , Tsunenori Suzuki , Naoaki Hashimoto , Yusuke Takita
IPC分类号: C07D491/048 , C07D495/00 , H01L51/00
摘要: A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, an organic compound with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound including at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is boneded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzofuranobenzothiophene skeleton is provided.
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10.
公开(公告)号:US11236114B2
公开(公告)日:2022-02-01
申请号:US16299431
申请日:2019-03-12
发明人: Hiroki Suzuki , Tsunenori Suzuki , Satoshi Seo
IPC分类号: H01L51/50 , C07F5/02 , C07D307/91 , C07D333/76 , C09K11/06 , H01L51/00 , H05B33/10
摘要: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.
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