公开(公告)号：US20230057376A1

公开(公告)日：2023-02-23

申请号：US17886977

申请日：2022-08-12

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Yoshitaka OZEKI

IPC: H01L27/146

Abstract: According to an aspect, a detection device includes: a substrate; a plurality of transistors provided on the substrate; a plurality of scan lines that extend in a first direction; a plurality of signal lines that extend in a second direction intersecting the first direction; a plurality of photodiodes that are provided in an area surrounded by the scan lines and the signal lines and each include a p-type semiconductor layer, an i-type semiconductor layer, and an n-type semiconductor layer; and a shield wiring line that extends in the first direction and overlaps a corresponding one of the scan lines. The shield wiring line is electrically coupled to, among the signal lines, a power supply signal line configured to supply a power supply potential to the transistors.

公开(公告)号：US20230056997A1

公开(公告)日：2023-02-23

申请号：US17885716

申请日：2022-08-11

Applicant: Japan Display Inc.

Inventor： Hirofumi KATO

IPC: G06K7/14 ,  G06V40/13

Abstract: According to an aspect, a detection system includes: a sensor provided with a plurality of photosensors in a detection area; a controller configured to control the sensor; and a data storage configured to store correction value data including correction values for detection values of the photosensors and identification codes of a plurality of the sensors in such a manner that the identification codes are associated one-to-one with the correction value data. The controller is configured to acquire the correction value data corresponding to the identification code of the sensor from the data storage and correct the detection values of the photosensors based on the acquired correction value data.

公开(公告)号：US20230056516A1

公开(公告)日：2023-02-23

申请号：US17979788

申请日：2022-11-03

Applicant: Japan Display Inc.

Inventor： Makoto HASEGAWA ,  Masafumi OKADA

IPC: F21V8/00

Abstract: A lighting device including: a light guide having a first side surface extending in a first direction and a second side surface opposing to the first side surface and extending in the first direction, a first LED being disposed at the first side surface, a second LED being disposed at the second side surface; in which a first area extends in the first direction and a second area extends in the second direction in the light guide; a prism sheet is disposed on the light guide; a prism extending in the first direction and arranged in the second direction is formed on the prism sheet; a first surface of the prism has a first angle with normal direction of the second prism sheet; a second surface of the prism has a second angle with normal direction of the second prism sheet; the first angle is larger than the second angle.

公开(公告)号：US20230056040A1

公开(公告)日：2023-02-23

申请号：US17891166

申请日：2022-08-19

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Yukiya HIRABAYASHI

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1334 ,  G02F1/1333

Abstract: According to one embodiment, an electronic apparatus includes a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer held between the first substrate and the second substrate, an active area in which pixels are arranged, and a peripheral area positioned in a periphery of the active area. The peripheral area includes a drive element area in which a drive element configured to drive each of the pixels is arranged.

公开(公告)号：US20230054859A1

公开(公告)日：2023-02-23

申请号：US17981601

申请日：2022-11-07

Applicant: Japan Display Inc.

Inventor： Takayasu SUZUKI ,  Toshihiro SATO

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.

公开(公告)号：US20230052905A1

公开(公告)日：2023-02-16

申请号：US17885694

申请日：2022-08-11

Applicant: Japan Display Inc.

Inventor： Takeo KOITO

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to an aspect, a view-angle control device includes: a drive layer in which light-transmitting regions and switchable regions are alternately arranged in one direction, each light-transmitting region being configured to transmit light, each switchable region being switchable between a light-transmitting state and a light-blocking state through switching of liquid crystal orientation; and a plurality of optical member layers stacked together with the drive layer. Each optical member layer includes a base member that transmits light and a light-blocking part that is provided at a position overlapping with the switchable region and blocks light. The light-blocking part is disposed on a surface of the base member on a farther side from the drive layer.

公开(公告)号：US20230049169A1

公开(公告)日：2023-02-16

申请号：US17974593

申请日：2022-10-27

Applicant: Japan Display Inc.

Inventor： Kenta Seki ,  Seiji Uejima ,  Ryo Yamaoka ,  Hidemasa Yamaguchi

IPC: G02F1/1362 ,  G02F1/1335 ,  H01J9/20 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368

Abstract: A display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.

公开(公告)号：US20230047738A1

公开(公告)日：2023-02-16

申请号：US17979816

申请日：2022-11-03

Applicant: Japan Display Inc.

Inventor： Yuko MATSUMOTO ,  Hajime AKIMOTO ,  Mitsuhide MIYAMOTO ,  Yusuke TADA

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: The method for manufacturing a display device includes forming a light emitting element and a terminal on a substrate, forming a sealing film including a first inorganic insulating film and a second inorganic insulating film to cover the light emitting element and the terminal, forming a resist having a taper shape in which a thickness of an end portion on the sealing film becomes thinner as it goes to the terminal side by using a gray-tone mask, forming a taper shape in which thicknesses in end portions of the first inorganic insulating film and the second inorganic insulating film becomes thinner as it goes to the terminal side by etching, forming a touch electrode above the sealing film and forming wiring connected to the terminal via the end portions together with connecting to the touch electrode for detecting a touched position.

公开(公告)号：US11581394B2

公开(公告)日：2023-02-14

申请号：US17698279

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Naoki Miyanaga

IPC: H01L27/32 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1343

Abstract: A display device having a display region and a peripheral region in contact with the display region above a substrate is provided. The display region has a plurality of pixels each including a transistor, an insulating film above the transistor, a pixel electrode arranged above the insulating film and electrically connected to the transistor, and a common electrode above the insulating film, a video signal line and a gate signal line electrically connected to the transistor, and liquid crystal layer above the plurality of pixels. The peripheral region has a terminal electrically connected to the video signal line, a wiring arranged parallel to the gate wiring between the display region and the terminal, and a plurality of first electrodes above the wiring. The insulating film covers the wiring, and the wiring is electrically connected to the plurality of first electrodes via an opening in the insulating film.

公开(公告)号：US11581358B2

公开(公告)日：2023-02-14

申请号：US16999214

申请日：2020-08-21

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Masashi Tsubuku ,  Makoto Uchida

IPC: H01L27/146 ,  H01L31/032 ,  H01L31/113 ,  H04N5/369

Abstract: According to one embodiment, an optical sensor device includes an insulating substrate, a first conductive layer and an optical sensor element disposed between the insulating substrate and the first conductive layer. The optical sensor element is electrically connected to the first conductive layer and covered by the first conductive layer. The optical sensor element includes a first semiconductor layer formed of an oxide semiconductor and controls an amount of charge flowing to the first conductive layer according to an amount of incident light to the first semiconductor layer.