公开(公告)号：US20250056973A1

公开(公告)日：2025-02-13

申请号：US18717635

申请日：2022-12-02

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daiki NAKAMURA ,  Hisao IKEDA ,  Tomoya AOYAMA ,  Nozomu SUGISAWA ,  Yuichi YANAGISAWA

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A method for fabricating a highly reliable display device is provided. A first conductive film is formed; a first film containing a first light-emitting substance is formed over the first conductive film; a first mask film is formed over the first film; the first conductive film, the first film, and the first mask film are processed such that their side surfaces are substantially aligned with each other to form a first conductive layer, a first layer, and a first mask layer; a second conductive film is formed over the first mask layer and a first sidewall insulating layer; a second film containing a second light-emitting substance is formed over the second conductive film; a second mask film is formed over the second film; and the second conductive film, the second film, and the second mask film are processed such that their side surfaces are substantially aligned with each other to form a second conductive layer, a second layer, and a second mask layer and to expose the top surface of the first mask layer.

公开(公告)号：US20250035946A1

公开(公告)日：2025-01-30

申请号：US18716664

申请日：2022-12-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Ryo HATSUMI ,  Hisao IKEDA ,  Daiki NAKAMURA ,  Takeya HIROSE ,  Yosuke TSUKAMOTO

IPC: G02B27/28 ,  G02B5/30 ,  G02B27/01 ,  H10K59/90

Abstract: A thin optical device having high light utilization efficiency and a small electronic device including the optical device are provided. The thin optical device includes a reflective polarizing plate, a lens, and an optical rotator. The optical device can be a thin optical device that is small in overall length by rotation of the polarization plane of linearly polarized light with the optical rotator and utilization of properties of transmitting and reflecting light of the reflective polarizing plate. Furthermore, the optical device does not use a half mirror; thus, the optical device has a property of high light utilization efficiency, and the power consumption of the electronic device can be reduced and the reliability of the electronic device can be improved.

公开(公告)号：US20240431148A1

公开(公告)日：2024-12-26

申请号：US18698966

申请日：2022-10-14

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yuichi YANAGISAWA ,  Ryota HODO ,  Hiromi SAWAI ,  Hideaki SHISHIDO ,  Daiki NAKAMURA

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38

Abstract: A display device that can easily achieve a higher resolution is provided. A display device with high display quality is provided. The display device includes a pixel electrode, a first organic layer, a second organic layer, a first insulating layer, a second insulating layer, and a common electrode. The first insulating layer includes a first portion in contact with part of a top surface of the pixel electrode, a second portion in contact with a side surface of the pixel electrode, and a third portion not in contact with the pixel electrode. The first organic layer includes a fourth portion in contact with another part of the top surface of the pixel electrode and a fifth portion in contact with the first portion. The second organic layer is in contact with the third portion and isolated from the first organic layer. The second insulating layer covers the fifth portion and the second organic layer and is in contact with the first insulating layer between the first organic layer and the second organic layer. The common electrode includes a portion overlapping with the fourth portion and a portion overlapping with the second organic layer with the second insulating layer therebetween. The first organic layer and the second organic layer contain the same material.

公开(公告)号：US20240419008A1

公开(公告)日：2024-12-19

申请号：US18722062

申请日：2022-12-09

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Ryo HATSUMI ,  Hisao IKEDA ,  Daiki NAKAMURA ,  Takeya HIROSE ,  Yosuke TSUKAMOTO

IPC: G02B27/09 ,  G02B25/00 ,  H10K59/80

Abstract: An electronic device that can provide a high sense of immersion is provided. An electronic device with low power consumption is provided. The electronic device includes a first display device, a second display device, a first half mirror, an eyepiece lens, and a first lens. The first display device displays a first image, and the second display device displays a second image. The first display device is provided at a position so that the first image is reflected by the first half mirror and enters the eyepiece lens. The second display device is provided at a position so that the second image passes through the first half mirror and enters the eyepiece lens. The first lens is provided between the second display device and the first half mirror. The pixel density of the first display device and that of the second display device are equal to each other. The first image is presented with a first viewing angle through the eyepiece lens, and the second image is presented with a second viewing angle greater than the first viewing angle through the eyepiece lens.

公开(公告)号：US20240407211A1

公开(公告)日：2024-12-05

申请号：US18695104

申请日：2022-09-21

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Masahiro KATAYAMA ,  Yukinori SHIMA ,  Masataka NAKADA ,  Shingo EGUCHI ,  Daiki NAKAMURA ,  Koji KUSUNOKI ,  Kensuke YOSHIZUMI

IPC: H10K59/131 ,  H10K50/19 ,  H10K59/38

Abstract: A display device in which a voltage drop is inhibited adequately is provided. The display device includes a common electrode included in a first light-emitting device in which a plurality of light-emitting layers are stacked and a second light-emitting device in which a plurality of light-emitting layers are stacked and an auxiliary wiring electrically connected to the common electrode. The auxiliary wiring includes a first wiring layer and a second wiring layer, the second wiring layer is electrically connected to the first wiring layer through a contact hole of an insulating layer, and the first wiring laver has a lattice shape in a top view.

公开(公告)号：US20240397755A1

公开(公告)日：2024-11-28

申请号：US18795275

申请日：2024-08-06

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Taisuke KAMADA ,  Ryo HATSUMI ,  Daisuke KUBOTA ,  Daiki NAKAMURA

IPC: H10K59/122 ,  H05B33/12 ,  H05B33/22 ,  H10K50/125 ,  H10K50/858 ,  H10K50/86 ,  H10K59/00 ,  H10K59/35 ,  H10K102/00

Abstract: A display device having a photosensing function is provided. A highly convenient display device is provided. The display device includes a light-receiving element and a light-emitting element in a display portion. The light-receiving element includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, a light-emitting layer, and a common electrode. The active layer is positioned over the first pixel electrode. The active layer contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode. The light-emitting layer contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer provided therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer provided therebetween. The display device preferably further includes a common layer positioned over the first pixel electrode and the second pixel electrode. The common layer includes a portion overlapping with the active layer and a portion overlapping with the light-emitting layer.

公开(公告)号：US20240276789A1

公开(公告)日：2024-08-15

申请号：US18567650

申请日：2022-06-06

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kenichi OKAZAKI ,  Daiki NAKAMURA ,  Nozomu SUGISAWA

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80521

Abstract: A high-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device positioned next to the first light-emitting device, a third light-emitting device positioned next to the second light-emitting device, a first insulating layer, and a second insulating layer. The first insulating layer includes a first region between the first light-emitting device and the second light-emitting device and a second region between the second light-emitting device and the third light-emitting device. The second insulating layer includes a region positioned over a lower electrode of the third light-emitting device. A thickness of a third organic compound layer of the third light-emitting device is different from a thickness of a first organic compound layer of the first light-emitting device. The thickness of the third organic compound layer of the third light-emitting device is different from a thickness of a second organic compound layer of the second light-emitting device. In a cross-sectional view, the first insulating layer is provided so that a height from a bottom surface of the lower electrode of the third light-emitting device is equal to a height from a bottom surface of a lower electrode of the second light-emitting device.

公开(公告)号：US20240266195A1

公开(公告)日：2024-08-08

申请号：US18578100

申请日：2022-07-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Yasuhiro JINBO ,  Tomoya AOYAMA ,  Daiki NAKAMURA

IPC: H01L21/67

CPC classification number: H01L21/6719 ,  H01L21/67167 ,  H01L21/67207

Abstract: Manufacturing equipment with which steps from processing to sealing of an organic compound film can be continuously performed is provided. The manufacturing equipment can continuously perform a patterning step of a light-emitting device and a sealing step to prevent the top surfaces and side surfaces of organic layers from being exposed to the air, which allows formation of the light-emitting device which has a minute structure, high luminance, and high reliability. This manufacturing equipment can be built in an in-line system where apparatuses are arranged according to the order of process steps for the light-emitting device, resulting in high throughput manufacturing.

公开(公告)号：US20240190441A1

公开(公告)日：2024-06-13

申请号：US18554430

申请日：2022-03-28

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Daisuke KUBOTA ,  Ryo HATSUMI ,  Daiki NAKAMURA ,  Kensuke YOSHIZUMI

IPC: B60W40/08 ,  A61B5/021 ,  A61B5/024 ,  A61B5/1455 ,  B60W50/14 ,  G06F3/041 ,  G06F21/32

CPC classification number: B60W40/08 ,  A61B5/02108 ,  A61B5/024 ,  A61B5/14551 ,  B60W50/14 ,  G06F3/0412 ,  G06F21/32 ,  B60W2040/0809

Abstract: A vehicle control device with a high security level is provided. The vehicle control device has a structure including an operation portion, a first light-emitting and light-receiving portion, and a control portion. The operation portion includes a steering wheel including a rim, a hub, and a spoke. The rim is connected to the hub through the spoke. The first light-emitting and light-receiving portion is provided along a surface of the hub. The first light-emitting and light-receiving portion includes a first light-emitting element and a first light-receiving element. The first light-emitting element has a function of emitting light in a first wavelength range. The first light-receiving element has a function of receiving the light in the first wavelength range and converting the light in the first wavelength range into an electric signal. The first light-emitting element and the first light-receiving element are arranged side by side on the same plane. The first light-emitting and light-receiving portion has a function of outputting first received-light data to the control portion. The control portion has a function of obtaining first biological information of a driver from the first received-light data and executing first processing in accordance with the first biological information.

公开(公告)号：US20240164169A1

公开(公告)日：2024-05-16

申请号：US18281329

申请日：2022-03-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kenichi OKAZAKI ,  Daiki NAKAMURA ,  Rai SATO

IPC: H10K59/38 ,  H04R1/22 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/12 ,  H10K59/131 ,  H10K59/65 ,  H10K71/20 ,  H10K71/60

CPC classification number: H10K59/38 ,  H04R1/222 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K59/1201 ,  H10K59/131 ,  H10K59/65 ,  H10K71/20 ,  H10K71/60 ,  H04R2499/15

Abstract: A higher-definition or higher-resolution display apparatus is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, a first insulating layer, a first coloring layer, and a second coloring 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 side surfaces of the first pixel electrode, the second pixel electrode, the first light-emitting layer, and the second light-emitting layer. The first coloring layer is placed to overlap with the first light-emitting device. The second coloring layer is placed to overlap with the second light-emitting device. The first light-emitting device and the second light-emitting device have a function of emitting white light. The first coloring layer and the second coloring layer have a function of transmitting visible light of different colors.