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公开(公告)号：US20210013428A1
公开(公告)日：2021-01-14
申请号：US16911892
申请日：2020-06-25
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hideko Inoue , Miki KANAMOTO , Hiromi SEO , Satoshi SEO , Tatsuyoshi TAKAHASHI , Tomoka NAKAGAWA
IPC: H01L51/00 , C07D491/048
Abstract: A light-emitting element having high emission efficiency is provided. A light-emitting element having a low driving voltage is provided. A novel compound which can be used for a transport layer or as a host material or a light-emitting material of a light-emitting element is provided. A novel compound with a benzofuropyrimidine skeleton is provided. Also provided is a light-emitting element which includes the compound with the benzofuropyrimidine skeleton between a pair of electrodes.
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公开(公告)号：US10700291B2
公开(公告)日：2020-06-30
申请号：US16255312
申请日：2019-01-23
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hideko Inoue , Miki Kanamoto , Hiromi Seo , Satoshi Seo , Tatsuyoshi Takahashi , Tomoka Nakagawa
IPC: H01L51/54 , C09K11/06 , H01L51/00 , C07D491/048 , H01L51/50
Abstract: A light-emitting element having high emission efficiency is provided. A light-emitting element having a low driving voltage is provided. A novel compound which can be used for a transport layer or as a host material or a light-emitting material of a light-emitting element is provided. A novel compound with a benzofuropyrimidine skeleton is provided. Also provided is a light-emitting element which includes the compound with the benzofuropyrimidine skeleton between a pair of electrodes.
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公开(公告)号：US10593895B2
公开(公告)日：2020-03-17
申请号：US15454055
申请日：2017-03-09
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Satoko Shitagaki , Satoshi Seo , Nobuharu Ohsawa , Hideko Inoue , Kunihiko Suzuki
IPC: H01L51/50 , H01L51/00 , C07D209/86 , C07D239/26 , C07D241/12 , C07D333/76 , C07D409/10 , C07D471/04 , C07F15/00 , C09K11/02 , C09K11/06
Abstract: A light-emitting element having high external quantum efficiency is provided. A light-emitting element having a long lifetime is provided. A light-emitting element is provided which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound between a pair of electrodes, in which a combination of the first organic compound and the second organic compound forms an exciplex (excited complex). The light-emitting element transfers energy by utilizing an overlap between the emission spectrum of the exciplex and the absorption spectrum of the phosphorescent compound and thus has high energy transfer efficiency. Therefore, a light-emitting element having high external quantum efficiency can be obtained.
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64.发明授权公开(公告)号：US10586931B2
公开(公告)日：2020-03-10
申请号：US15385064
申请日：2016-12-20
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Miki Kanamoto , Hideko Inoue , Tatsuyoshi Takahashi , Hiromitsu Kido , Satoshi Seo
Abstract: A compound includes a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton, a first substituent, and a second substituent. Each of the first substituent and the second substituent includes a furan skeleton, a thiophene skeleton, or a pyrrole skeleton. The first substituent is bonded to a pyrimidine ring included in the benzofuropyrimidine skeleton or a pyrimidine ring included in the benzothienopyrimidine skeleton. The second substituent is bonded to a benzene ring included in the benzofuropyrimidine skeleton or a benzene ring included in the benzothienopyrimidine skeleton. The light-emitting element includes the compound.
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公开(公告)号：US10388891B2
公开(公告)日：2019-08-20
申请号：US15085390
申请日：2016-03-30
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Tomoya Yamaguchi , Hideko Inoue , Tatsuyoshi Takahashi
Abstract: As a novel substance having a novel skeleton, an organometallic complex with high emission efficiency is provided. The organometallic complex includes a metal and a ligand. The metal is iridium or platinum. The ligand includes a 5H-pyrimido[5,4-b]indole skeleton and an aryl group bonded to the 4-position of the 5H-pyrimido[5,4-b]indole skeleton. The 3-position of the 5H-pyrimido[5,4-b]indole skeleton and the aryl group are bonded to the metal. In the formula, M represents iridium or platinum. In addition, Ar represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and each of R1 to R6 independently represents hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms.
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Patent Agency Ranking
公开(公告)号：US10333080B2
公开(公告)日：2019-06-25
申请号：US15043792
申请日：2016-02-15
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Yui Yamada , Hideko Inoue , Tsunenori Suzuki , Satoshi Seo
IPC: H01L51/00 , C07D401/14 , H01L51/50
Abstract: A novel organic compound that can be used as an electron-injection material or an electron-transport material of a light-emitting element is provided. An organic compound with which a display device having less crosstalk can be obtained is provided. A light-emitting device, a display device, and an electronic device each having less crosstalk are provided. An organic compound including two or three benzo[h]quinazoline rings is provided. In the organic compound, two or three benzo[h]quinazoline rings are preferably included in the substituent including an aromatic ring or a heteroaromatic ring and having 3 to 30 carbon atoms. When two or three benzo[h]quinazoline rings are included in a substituent particularly including a heteroaromatic ring and having 3 to 30 carbon atoms, a high electron-transport property can be obtained.
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67.发明申请公开(公告)号：US20190181357A1
公开(公告)日：2019-06-13
申请号：US16275882
申请日：2019-02-14
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hideko Inoue , Tomoya YAMAGUCHI , Hiromi SEO , Satoshi SEO
Abstract: An organometallic iridium complex having high emission efficiency and high heat resistance and emitting yellow light is provided as a novel substance. The organometallic iridium complex includes iridium and a ligand and includes a structure represented by General Formula (G1). The ligand includes a 5H-indeno[1,2-d]pyrimidine skeleton and an aryl group bonded to the 4-position of the 5H-indeno[1,2-d]pyrimidine skeleton. The 3-position of the 5H-indeno[1,2-d]pyrimidine skeleton and the aryl group are bonded to the iridium. In the formula, Ar represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and each of R1 to R7 independently represents hydrogen or a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms.
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公开(公告)号：US10109806B2
公开(公告)日：2018-10-23
申请号：US14278775
申请日：2014-05-15
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Hideko Inoue , Tomoya Yamaguchi , Hiromi Seo , Tatsuyoshi Takahashi , Satoshi Seo
Abstract: A light-emitting element including a phosphorescent organometallic complex is provided. The organometallic complex emits phosphorescence in the yellow green to orange wavelength range and has high emission efficiency and high reliability. Thus, the organometallic complex that exhibits phosphorescence is provided. The organometallic complex, in which nitrogen at the 3-position of a pyrimidine ring is coordinated to a metal, a carbazole skeleton is bonded to the 4-position of the pyrimidine ring, and the carbazole skeleton is bonded to the metal, is used as an emission center. The metal is preferably a Group 9 element or a Group 10 element, more preferably iridium.
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69.发明授权公开(公告)号：US10079350B2
公开(公告)日：2018-09-18
申请号：US15218538
申请日：2016-07-25
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hideko Inoue , Satoko Shitagaki , Satoshi Seo
CPC classification number: H01L51/0085 , C07F15/0033 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1044 , C09K2211/185 , H01L51/5016 , H01L51/504 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L51/5206 , H01L51/5221 , H01L51/5278 , H01L51/56 , H01L2251/301 , H01L2251/306 , H05B33/14
Abstract: To provide a novel organometallic complex, and light emitting elements, light emitting devices, and electronic devices which include the organometallic complex. In addition, to provide a composition in which the organometallic complex is dissolved and to provide a method for manufacturing light emitting elements using the composition. An organometallic complex has high solubility in a solvent. In the organometallic complex, the ligand including a pyrazine skeleton is bound to an atom belonging to Group 9 (Co, Rh, or Ir) or an atom belonging to Group 10 (Ni, Pd, or Pt). In addition, the light emission efficiency is high. Therefore, the organometallic complex is preferably used for manufacturing a light emitting element.
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70.发明申请公开(公告)号：US20180212164A1
公开(公告)日：2018-07-26
申请号：US15925036
申请日：2018-03-19
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hideko Inoue , Tomoka Nakagawa , Nobuharu Ohsawa , Satoshi Seo , Yui Yamada
Abstract: Provided are organometallic complexes that can exhibit phosphorescence. One of the novel organometallic complexes is represented by General Formula (G1). In General Formula (G1), R1 represents any of an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms which may have a substituent, and an aralkyl group having 7 to 10 carbon atoms which may have a substituent. In addition, R2 represents any of an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms which may have a substituent, and an aryl group having 6 to 12 carbon atoms which may have a substituent. Further, Ar represents an arylene group having 6 to 13 carbon atoms which may have a substituent. Further, M represents a Group 9 element or a Group 10 element.
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