公开(公告)号：US20250084302A1

公开(公告)日：2025-03-13

申请号：US18814801

申请日：2024-08-26

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Miyako MORIKUBO ,  Yuki HAYASHI ,  Tsunenori SUZUKI ,  Takashi SHINGU ,  Sachiko KAWAKAMI ,  Harue OSAKA ,  Satoshi SEO

IPC: C09K11/06 ,  C07D209/86 ,  H10K50/858

Abstract: An organic compound is represented by General Formula (G1). In the formula, each of R1 to R4 independently represents any of hydrogen (including deuterium), a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, and a substituent represented by General Formula (G1-1). Each of R5 to R8 independently represents any of hydrogen (including deuterium), a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 6 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, and a substituent represented by General Formula (G1-3). At least one of R5 to R8 represents a substituent represented by General Formula (G1-3).

公开(公告)号：US20250008832A1

公开(公告)日：2025-01-02

申请号：US18704411

申请日：2022-10-17

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hayato YAMAWAKI ,  Sachiko KAWAKAMI ,  Naoaki HASHIMOTO ,  Eriko AOYAMA ,  Yasuhiro NIIKURA

IPC: H10K71/20 ,  H10K50/13 ,  H10K71/00 ,  H10K71/40 ,  H10K71/60 ,  H10K85/20 ,  H10K85/60

Abstract: A method for removing oxygen from an oxygen adduct of anthracene, which is generated by irradiation with ultraviolet rays, is provided. Alternatively a method for manufacturing an electronic device or a display device with favorable reliability is provided. A method for manufacturing an electronic device, including a step of irradiating a layer including an organic compound including an anthracene structure with ultraviolet rays at an energy density higher than or equal to 1 mJ/cm2 and lower than or equal to 1000 mJ/cm2 in an atmosphere where oxygen exists and a step of performing heating at a temperature higher than or equal to 80° C. in an atmosphere with an oxygen concentration lower than or equal to 300 ppm is provided.

公开(公告)号：US20240415012A1

公开(公告)日：2024-12-12

申请号：US18690357

申请日：2022-09-02

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Kazuya SUGIMOTO ,  Akio YAMASHITA ,  Yasuhiro NIIKURA ,  Sachiko KAWAKAMI ,  Anna TADA

IPC: H10K85/60 ,  C07C211/61 ,  H10K39/00

Abstract: A novel and highly convenient, useful, or reliable material for a photoelectric conversion device is provided. The photoelectric conversion device includes a first electrode, a second electrode, a first layer, a second layer, and a third layer. The first layer is held between the first electrode and the second electrode; the second layer is held between the second electrode and the first layer; the third layer is held between the second electrode and the second layer; and the third layer has higher electron mobility than the first layer. The material is used in the second layer, the material contains an anthracene skeleton, and the anthracene skeleton is bonded to a diarylamino group, a diheteroarylamino group, or an arylheteroarylamino group.

公开(公告)号：US20240324309A1

公开(公告)日：2024-09-26

申请号：US18580309

申请日：2022-07-11

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yoshinobu ASAMI ,  Takahiro FUJIE ,  Ryo TAGASHIRA ,  Sachiko KAWAKAMI ,  Yui YOSHIYASU ,  Tomohiro KUBOTA

IPC: H10K59/122 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/1201

Abstract: A display apparatus with high display quality is provided. A display apparatus includes a first pixel, a second pixel provided adjacent to the first pixel, a first insulating layer, and a second insulating layer over the first insulating layer. The first pixel includes a first pixel electrode, a first EL layer covering the first pixel electrode, a common electrode over the first EL layer. The second pixel includes a second pixel electrode, a second EL layer covering the second pixel electrode, and the common electrode over the second EL layer. The first insulating layer covers part of a side surface and part of a top surface of the first EL layer and part of a side surface and part of a top surface of the second EL layer. At least part of the second insulating layer is provided to be sandwiched between an end portion of the side surface of the first EL layer and an end portion of the side surface of the second EL layer. The second insulating layer contains an acrylic resin, and the second insulating layer has a tapered side surface and a convex shaped top surface. A taper angle of the tapered side surface of the second insulating layer is less than 90°, and the common electrode overlaps with the second insulating layer.

公开(公告)号：US20240260373A1

公开(公告)日：2024-08-01

申请号：US18574195

申请日：2022-06-17

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshiyuki KUROKAWA ,  Sachiko KAWAKAMI ,  Nobuharu OHSAWA ,  Daisuke KUBOTA

IPC: H10K59/35 ,  H10K39/34

CPC classification number: H10K59/353 ,  H10K39/34 ,  H10K59/351

Abstract: A high-resolution display apparatus having a light detection function is provided. The display apparatus includes a display portion in which a first arrangement pattern and a second arrangement pattern are repeatedly placed in a first direction. In the first arrangement pattern, a first subpixel and a second subpixel are repeatedly arranged in a second direction. In the second arrangement pattern, a third subpixel, a fourth subpixel, and a fifth subpixel are repeatedly arranged in the second direction. Each of the first subpixel to the fourth subpixel includes a light-emitting device. The fifth subpixel includes a light-receiving device. Three or all of light-emitting devices included in the four subpixels can include EL layers with the same structure.

公开(公告)号：US20240121976A1

公开(公告)日：2024-04-11

申请号：US18269004

申请日：2021-12-17

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Taisuke KAMADA ,  Anna TADA ,  Sachiko KAWAKAMI ,  Daisuke KUBOTA

IPC: H10K50/16 ,  H10K50/15 ,  H10K85/20 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/167 ,  H10K50/157 ,  H10K85/20 ,  H10K85/331 ,  H10K85/371 ,  H10K85/381 ,  H10K85/623 ,  H10K85/6572 ,  H10K85/6576 ,  H10K2102/351

Abstract: An optical device with favorable characteristics is provided. An optical device with low driving voltage is provided. An optical device with low power consumption is provided. The optical device includes a first electrode, a second electrode, an active layer, and a carrier-transport layer. The active layer is positioned between the first electrode and the second electrode. The active layer contains a first organic compound and a second organic compound, the first organic compound is represented by General Formula (G1), and the second organic compound is represented by General Formula (G2-1). The carrier-transport layer is positioned between the second electrode and the active layer and the thickness of the carrier-transport layer is greater than or equal to 10 nm and less than or equal to 300 nm.

公开(公告)号：US20230124044A1

公开(公告)日：2023-04-20

申请号：US17819433

申请日：2022-08-12

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Tsunenori SUZUKI ,  Sachiko KAWAKAMI ,  Naoaki HASHIMOTO ,  Satoshi SEO

IPC: H01L51/00

Abstract: A light-emitting device with high emission efficiency is provided. The light-emitting device includes at least a light-emitting layer between an anode and a cathode. The light-emitting layer contains a light-emitting substance, a first organic compound, and a second organic compound. The light-emitting substance is a substance that emits fluorescent light. The first organic compound has any one of an anthracene skeleton, a tetracene skeleton, a phenanthrene skeleton, a pyrene skeleton, a chrysene skeleton, a carbazole skeleton, a benzocarbazole skeleton, a dibenzocarbazole skeleton, a dibenzofuran skeleton, a benzonaphthofuran skeleton, a bisnaphthofuran skeleton, a dibenzothiophene skeleton, a benzonaphthothiophene skeleton, a bisnaphthothiophene skeleton, and a fluoranthene skeleton. The second organic compound has any one of a fluorenylamine skeleton, a spirobifluorenylamine skeleton, a dibenzofuranylamine skeleton, a carbazolamine skeleton, a benzocarbazolamine skeleton, a dibenzocarbazolamine skeleton, a dibenzofuranamine skeleton, a benzonaphthofuranamine skeleton, a bisnaphthofuranamine skeleton, a dibenzothiophenamine skeleton, a benzonaphthothiopheneamine skeleton, a bisnaphthothiopheneamine skeleton, and an arylamine skeleton.

公开(公告)号：US20220392982A1

公开(公告)日：2022-12-08

申请号：US17833926

申请日：2022-06-07

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Shunpei YAMAZAKI ,  Takayuki IKEDA ,  Satoshi SEO ,  Sachiko KAWAKAMI ,  Daiki NAKAMURA

IPC: H01L27/32 ,  G02B27/01

Abstract: A display apparatus with a high level of immersion or realistic sensation is provided. The display apparatus includes a display portion capable of full-color display, a communication portion having a wireless communication function, and a wearing portion that can be worn on a head. In an emission spectrum of blue display provided by the display portion at a first luminance, when the intensity of a first emission peak at a wavelength higher than or equal to 400 nm and lower than 500 nm is 1, the intensity of a second emission peak at a wavelength higher than or equal to 500 nm and lower than or equal to 700 nm in the emission spectrum is 0.5 or lower. The first luminance is any value higher than 0 cd/m2 and lower than 1 cd/m2.

公开(公告)号：US20220285629A1

公开(公告)日：2022-09-08

申请号：US17671198

申请日：2022-02-14

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Yui YOSHIYASU ,  Naoaki HASHIMOTO ,  Tatsuyoshi TAKAHASHI ,  Sachiko KAWAKAMI ,  Satoshi SEO

IPC: H01L51/00 ,  C07D403/10

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.

公开(公告)号：US20180287074A1

公开(公告)日：2018-10-04

申请号：US15996602

申请日：2018-06-04

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Sachiko KAWAKAMI ,  Yoshimi ISHIGURO ,  Tatsuyoshi TAKAHASHI ,  Takao HAMADA ,  Hiromi SEO ,  Satoshi SEO

IPC: H01L51/00 ,  C09K11/02 ,  C07D493/04 ,  H01L51/50

CPC classification number: H01L51/0073 ,  C07D493/04 ,  C09K11/025 ,  H01L51/0059 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384

Abstract: A novel heterocyclic compound is provided. In particular, a novel heterocyclic compound which can improve the element characteristics of the light-emitting element is provided. The heterocyclic compound is represented by a general formula (G1) DBqAr1nAr2-A  (G1) in which a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group and a substituted or unsubstituted benzobisbenzofuranyl group are bonded to each other via a substituted or unsubstituted arylene group. In the general formula (G1), DBq represents a substituted or unsubstituted dibenzo[f,h]quinoxalinyl group, Ar1 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, n represents 0 or 1, Ar2 represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, and A represents a substituted or unsubstituted benzobisbenzofuranyl group. When the arylene group represented by Ar1 and Ar2 has substituents, the substituents may be bonded to each other to form a ring.