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公开(公告)号：US20250017104A1
公开(公告)日：2025-01-09
申请号：US18707662
申请日：2022-11-17
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Nobuharu OHSAWA , Toshiki SASAKI , Naoaki HASHIMOTO
IPC: H10K85/60 , H10K50/16 , H10K59/122
Abstract: A novel display apparatus that is highly convenient, useful, or reliable is provided. The display apparatus includes a first light-emitting device and a second light-emitting device. A gap is provided between the second light-emitting device and the first light-emitting device. The first light-emitting device includes a first pixel electrode, a common electrode, and a first unit. The first unit is sandwiched between the first pixel electrode and the common electrode and contains a first organic compound L. The first organic compound L includes a plurality of 2,2′-bipyridine skeletons or a plurality of 1,10′-phenanthroline skeletons. The second light-emitting device includes a second pixel electrode, the common electrode, and a third unit. The third unit is sandwiched between the second pixel electrode and the common electrode. The third unit contains the first organic compound L. A gap is provided between the third unit and the first unit.
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公开(公告)号：US20250011260A1
公开(公告)日：2025-01-09
申请号：US18762410
申请日：2024-07-02
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hiroki SUZUKI , Satoshi SEO , Hiroshi KADOMA , Tsunenori SUZUKI , Naoaki HASHIMOTO
Abstract: A novel compound for a host material is provided. A compound for a host material that is capable of increasing the lifetime of a light-emitting device is provided. A light-emitting device with a long lifetime is provided. A material whose thermophysical properties such as a glass transition temperature are high is provided. An anthracene compound for a host material represented by General Formula (G1) below is provided. (Note that in General Formula (G1), R1 to R7 each independently represent hydrogen or an aryl group having 1 to 25 carbon atoms.)
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公开(公告)号：US20240423005A1
公开(公告)日：2024-12-19
申请号：US18814781
申请日：2024-08-26
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Satoshi SEO , Tsunenori SUZUKI , Takumu OKUYAMA , Yusuke TAKITA , Naoaki HASHIMOTO , Hiromi SEO , Nobuharu OHSAWA , Toshiki SASAKI , Shunpei YAMAZAKI
IPC: H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K85/30 , H10K85/60 , H10K101/10 , H10K101/30 , H10K101/40
Abstract: A novel light-emitting device is provided. Alternatively, a light-emitting device with high emission efficiency is provided. Alternatively, a light-emitting device having a long lifetime is provided. Alternatively, a light-emitting device having low driving voltage is provided. A light-emitting device including an EL layer including a first layer, a second layer, a third layer, a light-emitting layer, and a fourth layer in this order from the anode side is provided. The first layer includes a first organic compound and a second organic compound. The fourth layer includes a seventh organic compound. The first organic compound exhibits an electron-accepting property with respect to the second organic compound. The HOMO level of the second organic compound is from −5.7 eV to −5.4 eV. The HOMO level of the seventh organic compound is −6.0 eV or higher.
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公开(公告)号：US20240391939A1
公开(公告)日：2024-11-28
申请号：US18682991
申请日：2022-08-09
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kyoko TAKEDA , Masatoshi TAKABATAKE , Sachiko KAWAKAMI , Yui YOSHIYASU , Tsunenori SUZUKI , Toshiki SASAKI , Naoaki HASHIMOTO , Tomoya AOYAMA
Abstract: An increase in the voltage of an organic semiconductor device including a step of forming an aluminum oxide film over and in contact with an organic semiconductor layer is inhibited. A layer containing an organometallic compound for a mask for an organic semiconductor layer, which is represented by General Formula (G1) below, is provided between the organic semiconductor layer and the aluminum oxide film. In General Formula (G1), Ar represents a substituted or unsubstituted aryl group having 6 to 30 carbon atoms or a substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms, X represents oxygen or sulfur, M represents a metal, n represents an integer greater than or equal to 1 and less than or equal to 5, and n is the same as the valence of the metal M. Note that when n is greater than or equal to 2, a plurality of Ars may be the same or different and Xs may be the same or different. When Ar represents the substituted or unsubstituted heteroaryl group having 1 to 30 carbon atoms, a heteroatom of the heteroaryl group may be coordinated to the metal M.
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35.发明公开公开(公告)号：US20240306493A1
公开(公告)日：2024-09-12
申请号：US18662138
申请日：2024-05-13
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Sachiko KAWAKAMI , Anna TADA , Yusuke TAKITA , Tsunenori SUZUKI , Naoaki HASHIMOTO , Satoshi SEO
IPC: H10K85/60 , C07C211/54 , C07C211/58 , H10K50/11 , H10K50/15 , H10K50/16 , H10K59/12 , H10K59/17 , H10K71/00 , H10K71/13 , H10K101/10 , H10K101/30 , H10K102/00
CPC classification number: H10K85/633 , C07C211/54 , C07C211/58 , H10K85/626 , H10K85/631 , C07C2601/16 , C07C2602/10 , H10K50/11 , H10K50/156 , H10K50/16 , H10K59/12 , H10K59/17 , H10K71/00 , H10K71/13 , H10K2101/10 , H10K2101/30 , H10K2102/311
Abstract: An object of one embodiment of the present invention is to provide a novel organic compound. The organic compound is a triarylamine derivative. The triarylamine derivative has an aryl group including a skeleton in which a naphthyl group is bonded to a naphthylene group. The other two aryl groups are each independently a phenyl group, a biphenyl group, or a terphenyl group. These groups may each have a substituent. As the substituent, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 6 carbon atoms can be selected.
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Patent Agency Ranking
公开(公告)号：US20240206306A1
公开(公告)日：2024-06-20
申请号：US18592944
申请日：2024-03-01
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Taisuke KAMADA , Ryo HATSUMI , Daisuke KUBOTA , Naoaki HASHIMOTO , Tsunenori SUZUKI , Harue OSAKA , Satoshi SEO
CPC classification number: H10K65/00 , H10K39/32 , H10K50/16 , H10K50/17 , H10K50/865 , H10K59/12 , H10K59/40 , H10K2101/30
Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.
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37.发明公开公开(公告)号：US20240130228A1
公开(公告)日：2024-04-18
申请号：US18276328
申请日：2022-01-31
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Yui Yoshiyasu , Naoaki HASHIMOTO , Tatsuyoshi TAKAHASHI , Sachiko KAWAKAMI , Satoshi SEO
CPC classification number: H10K85/6572 , C09K11/06 , H10K85/342 , H10K85/615 , H10K85/633 , H10K85/636 , H10K50/166
Abstract: A light-emitting device with high heat resistance in a manufacturing process is to be provided. The light-emitting device includes a second electrode over a first electrode with an EL layer sandwiched therebetween; the EL layer includes at least a light-emitting layer, a first electron-transport layer, and a second electron-transport layer; the first electron-transport layer is over the light-emitting layer; the light-emitting device includes an insulating layer in contact with a side surface of the light-emitting layer and a side surface of the first electron-transport layer; the second electron-transport layer is over the first electron-transport layer; the insulating layer is positioned between the second electron-transport layer and the side surface of the light-emitting layer and the side surface of the first electron-transport layer; and the first electron-transport layer contains a heteroaromatic compound including at least one heteroaromatic ring and an organic compound different from the heteroaromatic compound.
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38.发明公开公开(公告)号：US20240121979A1
公开(公告)日：2024-04-11
申请号：US18276165
申请日：2022-02-01
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Yui YOSHIYASU , Naoaki HASHIMOTO , Tatsuyoshi TAKAHASHI , Sachiko KAWAKAMI , Satoshi SEO
IPC: H10K50/844 , H10K50/16 , H10K50/17
CPC classification number: H10K50/844 , H10K50/166 , H10K50/171 , H10K85/633
Abstract: A light-emitting device with high heat resistance in a manufacturing process is to be provided. The light-emitting device includes a second electrode over a first electrode with an EL layer sandwiched therebetween; the EL layer includes at least a light-emitting layer, a first electron-transport layer, a second electron-transport layer, and an electron-injection layer; the first electron-transport layer is over the light-emitting layer; the second electron-transport layer is over the first electron-transport layer; the light-emitting device includes an insulating layer in contact with a side surface of the light-emitting layer, a side surface of the first electron-transport layer, and a side surface of the second electron-transport layer; the electron-injection layer is over the second electron-transport layer; the insulating layer is positioned between the electron-injection layer and the side surface of the light-emitting layer, the side surface of the first electron-transport layer, and the side surface of the second electron-transport layer; and the second electron-transport layer contains a heteroaromatic compound including at least one heteroaromatic ring and an organic compound different from the heteroaromatic compound.
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公开(公告)号：US20240107883A1
公开(公告)日：2024-03-28
申请号：US18528235
申请日：2023-12-04
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yui YOSHIYASU , Naoaki HASHIMOTO , Tatsuyoshi TAKAHASHI , Sachiko KAWAKAMI , Satoshi SEO
IPC: H10K85/60 , C07D403/10
CPC classification number: H10K85/6572 , C07D403/10 , H10K85/626 , H10K85/654 , H10K85/657 , H10K85/6576 , H10K50/165
Abstract: A novel mixed material with improved resistance is provided. The mixed material includes a first heteroaromatic compound and a second heteroaromatic compound, and the first heteroaromatic compound is represented by any one of General Formulae (G1) to (G6). The second heteroaromatic compound is not represented by the same general formula as that of the first heteroaromatic compound.
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公开(公告)号：US20230255094A1
公开(公告)日：2023-08-10
申请号：US18134638
申请日：2023-04-14
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Taisuke KAMADA , Ryo HATSUMI , Daisuke KUBOTA , Naoaki HASHIMOTO , Tsunenori SUZUKI , Harue OSAKA , Satoshi SEO
CPC classification number: H10K65/00 , H10K39/32 , H10K50/16 , H10K50/17 , H10K50/865 , H10K59/12 , H10K59/40 , H10K2101/30
Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.
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