-
11.发明公开公开(公告)号：US20230348477A1
公开(公告)日：2023-11-02
申请号：US18305733
申请日：2023-04-24
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Masatoshi TAKABATAKE , Yui YOSHIYASU , Sachiko KAWAKAMI , Takeyoshi WATABE , Nobuharu OHSAWA , Yuko KUBOTA
IPC: C07D487/04 , H10K85/60 , H10K50/17
CPC classification number: C07D487/04 , H10K50/171 , H10K85/626 , H10K85/6572
Abstract: An electron-injection organic compound with low solubility in water is provided. An organic compound represented by General Formula (G1) is provided. In the organic compound, Ar represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms forming a ring or a substituted or unsubstituted heteroaromatic hydrocarbon group having 2 to 30 carbon atoms forming a ring, each of R1 and R2 independently represents hydrogen (including deuterium), an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms forming a ring, or a substituted or unsubstituted heteroaryl group having 2 to 13 carbon atoms forming a ring, n represents an integer greater than or equal to 1 and less than or equal to 6, and L is the group represented by General Formula (L-1). In General Formula (L-1), each of R3 and R4 independently represents hydrogen (including deuterium) or an alkyl group having 1 to 6 carbon atoms, and k is an integer greater than or equal to 1 and less than or equal to 5.
-
公开(公告)号：US20230329105A1
公开(公告)日：2023-10-12
申请号：US18130684
申请日：2023-04-04
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Satoko NUMATA , Harue OSAKA , Sachiko KAWAKAMI , Takashi SHINGU , Anna TADA , Yui YOSHIYASU , Yasuhiro NIIKURA , Eriko AOYAMA , Naoaki HASHIMOTO , Satoshi SEO
CPC classification number: H10K85/6572 , H10K85/633 , H10K50/16 , H10K85/342 , H10K85/6574 , H10K85/636
Abstract: An organic semiconductor device that can achieve high resolution and favorable reliability is provided. The organic semiconductor device is one of a plurality of light-emitting devices formed over an insulating layer, which includes a first electrode, a second electrode, and an organic compound layer. The organic compound layer is positioned between the first electrode and the second electrode. The organic compound layer includes a layer containing a first compound. When differential scanning calorimetry is performed on the first compound in such a manner that a cooling step is performed from the state in which the first compound is melted in a first heating step and a second heating step is successively performed, an exothermic peak is not observed in the cooling step and an exothermic peak and a melting point peak are not observed in the second heating step.
-
13.发明公开公开(公告)号：US20230200105A1
公开(公告)日：2023-06-22
申请号：US18077447
申请日：2022-12-08
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Shunpei YAMAZAKI , Sachiko KAWAKAMI , Nobuharu OHSAWA , Yasumasa YAMANE , Tsunenori SUZUKI , Tomoya AOYAMA , Naoaki HASHIMOTO , Kyoko TAKEDA , Yui YOSHIYASU , Masatoshi TAKABATAKE
CPC classification number: H01L51/5206 , H01L27/3244 , H01L51/5221
Abstract: To inhibit an increase in voltage of an organic semiconductor device manufactured by a method including a step of forming an aluminum oxide film over and in contact with an organic semiconductor layer. An organic semiconductor device including a first electrode, a second electrode, an organic semiconductor layer, and a buffer layer is provided. The organic semiconductor layer is positioned between the first electrode and the second electrode. The buffer layer is positioned between the organic semiconductor layer and the second electrode. A side surface of the organic semiconductor layer and a side surface of the buffer layer are substantially aligned.
-
公开(公告)号：US20240397818A1
公开(公告)日：2024-11-28
申请号：US18793024
申请日：2024-08-02
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Yui YOSHIYASU , Naoaki Hashimoto , Tatsuyoshi Takahashi , Sachiko Kawakami , Satoshi Seo
Abstract: A novel mixed material for a light-emitting device with improved heat resistance is provided. The mixed material for a light-emitting device includes a first heteroaromatic compound and a second heteroaromatic compound. The first heteroaromatic compound includes a first heteroaromatic ring. The first heteroaromatic ring includes a ring including two or more nitrogen atoms and any one of a benzene ring and a pyridine ring or a ring including a diazine ring or a triazine ring. The second heteroaromatic compound includes a second heteroaromatic ring. The second heteroaromatic ring includes a ring including two or more nitrogen atoms and any one of a benzene ring and a pyridine ring or a ring including a diazine ring or a triazine ring. A structure of the first heteroaromatic ring is different from a structure of the second heteroaromatic ring.
-
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.
-
Patent Agency Ranking
16.发明公开公开(公告)号：US20240341155A1
公开(公告)日：2024-10-10
申请号：US18580029
申请日：2022-06-29
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Shinya SASAGAWA , Ryota HODO , Kentaro SUGAYA , Yoshikazu HIURA , Takahiro FUJIE , Sachiko KAWAKAMI , Yui YOSHIYASU , Tomohiro KUBOTA
CPC classification number: H10K59/873 , H10K50/18 , H10K59/1201 , H10K71/233 , H10K71/40
Abstract: A display device with high display quality is provided. The display device includes a first light-emitting device, a second light-emitting device, a first insulating layer, and a second insulating layer; the first light-emitting device includes a first pixel electrode, a first light-emitting layer over the first pixel electrode, and a common electrode over the first light-emitting layer; the second light-emitting device includes a second pixel electrode, a second light-emitting layer over the second pixel electrode, and the common electrode over the second light-emitting layer; the first insulating layer covers a side surface and part of a top surface of the first light-emitting layer and a side surface and part of a top surface of the second light-emitting layer; the second insulating layer overlaps with the side surface and the part of the top surface of the first light-emitting layer and the side surface and the part of the top surface of the second light-emitting layer with the first insulating layer therebetween; the common electrode covers the second insulating layer; in a cross-sectional view, an end portion of the second insulating layer has a tapered shape with a taper angle less than 90°; and the second insulating layer covers at least part of a side surface of the first insulating layer.
-
公开(公告)号：US20240284792A1
公开(公告)日：2024-08-22
申请号：US18425324
申请日：2024-01-29
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yuko KUBOTA , Takeyoshi WATABE , Hiromi SEO , Nobuharu OHSAWA , Yui YOSHIYASU , Sachiko KAWAKAMI
IPC: H10K85/60 , C07D487/04 , C09K11/06 , H10K50/19 , H10K50/17
CPC classification number: H10K85/6572 , C07D487/04 , C09K11/06 , H10K50/19 , H10K85/624 , H10K85/654 , C09K2211/1018 , H10K50/171
Abstract: An organic compound with an electron-injection property and low water solubility is provided. An organic compound represented by General Formula (G1) is provided. In General Formula (G1), Ar is an aromatic skeleton represented by General Formula (Ar-1); L represents an alkylene group or an arylene group; n represents an integer of 0 to 3; m represents an integer of 1 to 4; and each of R1 to R12 independently represents hydrogen or an alkyl group. In General Formula (Ar-1), each of rings A, B, C, and D independently represents a benzene ring, a naphthalene ring, or a phenanthrene ring; any m carbon atoms on the rings A, B, C, and D each include a bond in General Formula (G1); X1 represents C, Si, or Ge; and ai represents a single bond, O, S, C including a substituent, Si including a substituent, or Ge including a substituent.
-
公开(公告)号：US20240215443A1
公开(公告)日：2024-06-27
申请号：US18525103
申请日：2023-11-30
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Yui YOSHIYASU , Nobuharu OHSAWA , Hiromitsu KIDO , Masatoshi TAKABATAKE , Satoshi SEO
IPC: H10K85/60 , C07D209/86 , C07F7/08 , C09K11/06 , H10K85/40
CPC classification number: H10K85/6572 , C07D209/86 , C07F7/0812 , C09K11/06 , H10K85/40 , H10K50/11
Abstract: A highly efficient and highly reliable light-emitting device is provided. The light-emitting device includes an organic compound layer between a pair of electrodes. The organic compound layer includes a light-emitting layer, the light-emitting layer includes a first organic compound, a second organic compound, and a light-emitting substance, the first organic compound contains deuterium, and in a PL measurement of a mixed layer of the first organic compound and the second organic compound, a spectrum of an exciplex is observed at room temperature, and a spectrum of the exciplex is not observed at a temperature in a temperature range of 4 K to 80 K, inclusive.
-
19.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.
-
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.
-
-
-
-
-
-
-
-
-
Search Results
29
records
(took 0.02 seconds)
