公开(公告)号：US20250089560A1

公开(公告)日：2025-03-13

申请号：US18897415

申请日：2024-09-26

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi SEO ,  Tsunenori Suzuki ,  Naoaki Hashimoto

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/155 ,  H10K50/16 ,  H10K50/84 ,  H10K101/30 ,  H10K101/40

Abstract: Provided is a novel light-emitting element, a light-emitting element with a long lifetime, or a light-emitting element with high emission efficiency. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes at least a light-emitting layer containing a fluorescent substance and a host material, a first electron-transport layer containing a first electron-transport material, and a second electron-transport layer containing a second electron-transport material, which are in contact with each other and in this order. The LUMO level of each of the host material and the second electron-transport material is higher than the LUMO level of the first electron-transport material.

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：US20250081840A1

公开(公告)日：2025-03-06

申请号：US18598245

申请日：2024-03-07

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takuya HARUYAMA ,  Satoshi SEO ,  Nobuharu OHSAWA

IPC: H10K85/60 ,  C07C211/61 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/12 ,  H10K50/842 ,  H10K50/858 ,  H10K59/131 ,  H10K59/35 ,  H10K59/38 ,  H10K101/10 ,  H10K102/00

Abstract: A novel compound is provided. The novel compound is represented by General Formula (G1). In General Formula (G1), A represents a substituted or unsubstituted condensed aromatic ring having 10 to 30 carbon atoms or a substituted or unsubstituted condensed heteroaromatic ring having 10 to 30 carbon atoms, and R1 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Each of Y1 and Y2 independently represents a cycloalkyl group having a bridge structure and having 7 to 10 carbon atoms.

公开(公告)号：US20250081715A1

公开(公告)日：2025-03-06

申请号：US18892023

申请日：2024-09-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi SEO ,  Nobuharu OHSAWA

IPC: H10K50/11 ,  H10K85/30 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

Abstract: A light-emitting element containing a light-emitting material with high luminous efficiency is provided. The light-emitting element includes a host material and a guest material. The host material includes a first organic compound and a second organic compound. In the first organic compound, a difference between a singlet excitation energy level and a triplet excitation energy level is larger than 0 eV and smaller than or equal to 0.2 eV. The HOMO level of one of the first organic compound and the second organic compound is higher than or equal to that of the other organic compound, and the LUMO level of the one of the organic compounds is higher than or equal to that of the other organic compound. The first organic compound and the second organic compound form an exciplex.

公开(公告)号：US20250081629A1

公开(公告)日：2025-03-06

申请号：US18818925

申请日：2024-08-29

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryota HODO ,  Shinya SASAGAWA ,  Motomu KURATA ,  Shunpei YAMAZAKI

IPC: H01L29/66 ,  H01L21/02

Abstract: A semiconductor device that operates at high speed is provided. The semiconductor device is fabricated in the following manner: a first coating film over a first insulator and a second coating film over the first coating film are formed; a first layer is formed by partly removing the second coating film; a second layer is formed by partly removing the first coating film using the first layer as a mask; heat treatment is performed; a first oxide semiconductor is formed to cover a top surface of the first insulator, a side surface of the second layer, and a side surface and a top surface of the first layer; a second oxide semiconductor is formed in contact with the side surface of the second layer by processing the first oxide semiconductor by anisotropic etching; the first layer is removed; and a side surface of the second oxide semiconductor that is covered with the second layer is exposed by removing the second layer.

公开(公告)号：US20250081619A1

公开(公告)日：2025-03-06

申请号：US18951904

申请日：2024-11-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI

IPC: H01L27/12 ,  H01L29/786

Abstract: A highly flexible display device and a method for manufacturing the display device are provided. A transistor including a light-transmitting semiconductor film, a capacitor including a first electrode, a second electrode, and a dielectric film between the first electrode and the second electrode, and a first insulating film covering the semiconductor film are formed over a flexible substrate. The capacitor includes a region where the first electrode and the dielectric film are in contact with each other, and the first insulating film does not cover the region.

公开(公告)号：US20250078783A1

公开(公告)日：2025-03-06

申请号：US18952564

申请日：2024-11-19

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hajime KIMURA ,  Yoshiaki OIKAWA ,  Kentaro HAYASHI

IPC: G09G5/10 ,  B60K35/234 ,  G06V20/59

Abstract: A moving object including a display apparatus capable of performing highly visible display is provided. The moving object includes a display unit, an imaging unit, an arithmetic unit, and a control unit. The display unit has a function of displaying a display image. The imaging unit has a function of obtaining a first captured image including the display image and an external view overlapping with the display image. The arithmetic unit has a function of comparing a color of the display image and a color of the external view and correcting the color of the display image on the basis of a comparison result. The control unit has a function of controlling running of the moving object on the basis of the first captured image.

公开(公告)号：US20250076932A1

公开(公告)日：2025-03-06

申请号：US18905374

申请日：2024-10-03

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshiharu HIRAKATA ,  Hiroyuki MIYAKE ,  Seiko INOUE ,  Shunpei YAMAZAKI

IPC: G06F1/16 ,  G06F3/041

Abstract: A display device with low power consumption is provided. Furthermore, a display device in which an image is displayed in a region that can be used in a folded state is provided. The conceived display device includes a display portion that can be opened and folded, a sensing portion that senses a folded state of the display portion, and an image processing portion that generates, when the display portion is in the folded state, an image in which a black image is displayed in part of the display portion.

公开(公告)号：US20250076712A1

公开(公告)日：2025-03-06

申请号：US18936635

申请日：2024-11-04

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryo HATSUMI ,  Daisuke KUBOTA ,  Hiroyuki MIYAKE

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1362

Abstract: A display device with less light leakage and excellent contrast is provided. A display device having a high aperture ratio and including a large-capacitance capacitor is provided. A display device in which wiring delay due to parasitic capacitance is reduced is provided. A display device includes a transistor over a substrate, a pixel electrode connected to the transistor, a signal line electrically connected to the transistor, a scan line electrically connected to the transistor and intersecting with the signal line, and a common electrode overlapping with the pixel electrode and the signal line with an insulating film provided therebetween. The common electrode includes stripe regions extending in a direction intersecting with the signal line.

公开(公告)号：US20250076697A1

公开(公告)日：2025-03-06

申请号：US18954090

申请日：2024-11-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Yoshiharu Hirakata ,  Tetsuji ISHITANI ,  Daisuke KUBOTA ,  Ryo HATSUMI ,  Masaru NAKANO ,  Takashi HAMADA

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1362

Abstract: A display device including a peripheral circuit portion with high operation stability. The display device includes a first substrate and a second substrate. A first insulating layer is on a first plane of the first substrate, and a second insulating layer is on a first plane of the second substrate. An area of the first plane of the first substrate is the same as an area of the first plane of the second substrate. The first plane of the first substrate and the first plane of the second substrate face each other. A bonding layer is between the first insulating layer and the second insulating layer. A protection film is in contact with the first substrate, the first insulating layer, the bonding layer, the second insulating layer, and the second substrate.