公开(公告)号：US20250028370A1

公开(公告)日：2025-01-23

申请号：US18907714

申请日：2024-10-07

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Takashi NAKAMURA

IPC: G06F1/16

Abstract: According to an aspect, a detection device includes: a ring-shaped housing; a light source provided in the housing; a first optical sensor provided in the housing so as to be adjacent to one end of the light source in a circumferential direction of the housing; and a second optical sensor provided in the housing so as to be adjacent to the other end of the light source in the circumferential direction of the housing. At least the first optical sensor is an organic photodiode including a sensor substrate, a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode.

公开(公告)号：US20240381676A1

公开(公告)日：2024-11-14

申请号：US18782316

申请日：2024-07-24

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H10K39/32 ,  G06V40/13 ,  G06V40/145

Abstract: According to an aspect, a detection device includes a substrate and a plurality of photodiodes arranged on the substrate. Each of the photodiodes includes a lower electrode, a lower buffer layer, an active layer, an upper buffer layer, and an upper electrode that are stacked on the substrate in the order as listed. A plurality of the lower electrodes are each provided with a plurality of openings.

公开(公告)号：US20240280864A1

公开(公告)日：2024-08-22

申请号：US18654148

申请日：2024-05-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

IPC: G02F1/1345 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G02F1/13452 ,  G02F1/1345 ,  G02F1/136286 ,  G09G3/3677 ,  G09G2300/0426

Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.

公开(公告)号：US20230408878A1

公开(公告)日：2023-12-21

申请号：US18242660

申请日：2023-09-06

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G02F1/1368 ,  G02F1/133514 ,  G02F1/134336 ,  H01L29/78696

Abstract: According to an aspect, a liquid crystal display panel includes an extending portion. The extending portion is metal wiring provided on the same plane as a plane parallel to a surface of a TFT substrate on which a scan line extends in the X-direction, and is electrically conductive metal extending from the scan line. The extending portion partially overlaps a space, but does not overlap an opening area, in the Z-direction.

公开(公告)号：US20230387374A1

公开(公告)日：2023-11-30

申请号：US18325145

申请日：2023-05-30

Applicant: Japan Display Inc.

Inventor： Yoshinori AOKI ,  Gen KOIDE

IPC: H01L33/62 ,  H01L27/15 ,  H01L27/12 ,  H01L25/16 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L27/124 ,  H01L25/167 ,  H01L25/0753

Abstract: According to one embodiment, a display device includes a display panel, a first wiring substrate, and a first conductive material. The display panel includes a basement located in a display area and a non-display area, a plurality of pixels arranged above the basement and located in the display area, a plurality of pads arranged above the basement and located in the non-display area, and a first power line arranged above the basement, located between the display area and the plurality of pads in the non-display area, and including the first connection surface.

公开(公告)号：US20230017957A1

公开(公告)日：2023-01-19

申请号：US17948745

申请日：2022-09-20

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Yoshinori AOKI

IPC: H01L25/075 ,  G09G3/32 ,  H01L33/62

Abstract: According to an aspect, a display device includes: a substrate; a plurality of pixels provided to the substrate; a light-emitting element and a transistor provided to each of the pixels; an insulating film covering the transistor; a mounting electrode provided on the insulating film and on which the light-emitting element is mounted; and an anode electrode facing at least a part of the mounting electrode and electrically coupled to the transistor. The insulating film has a first groove extending along at least one side of an outer periphery of the mounting electrode in plan view seen from a direction perpendicular to the substrate. The mounting electrode is coupled to the anode electrode in a linear part along an extending direction of the first groove at a bottom surface of the first groove.

公开(公告)号：US20220398984A1

公开(公告)日：2022-12-15

申请号：US17838640

申请日：2022-06-13

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G09G3/34

Abstract: A display device includes: a first pixel transistor couples one electrode of holding capacitance to a first signal line; a second pixel transistor couples another electrode of the holding capacitance to a second signal line; a third pixel transistor couples the other electrode of the holding capacitance to a GND potential; and a driver that supplies a negative potential to the second signal line when the first signal line is supplied with a positive potential, supplies the GND potential to the second signal line when the first signal line is supplied with the GND potential, and supplies the positive potential to the second signal line when the first signal line is supplied with the negative potential. The first and second pixel transistors are on during a writing period and off during a holding period. The third pixel transistor is off during the writing period and on during the holding period.

公开(公告)号：US20220260880A1

公开(公告)日：2022-08-18

申请号：US17734216

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Hiroyuki ABE ,  Kazune MATSUMURA

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1345

Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.

公开(公告)号：US20220197075A1

公开(公告)日：2022-06-23

申请号：US17692848

申请日：2022-03-11

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G09G3/36 ,  G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.

公开(公告)号：US20220165971A1

公开(公告)日：2022-05-26

申请号：US17531803

申请日：2021-11-22

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H01L51/44 ,  H01L27/146 ,  H01L51/56

Abstract: According to one embodiment, a transistor substrate includes a substrate, a light source and a sensor element. The light source is mounted on the substrate. The sensor element is mounted on the substrate. The sensor element includes a pixel electrode, a switching element, a common electrode and an organic photo detector layer. The switching element is electrically connected to the pixel electrode. The common electrode is opposed to the pixel electrode. The organic photo detector layer is provided between the pixel electrode and the common electrode. The light source is provided in a same layer as the organic photo detector layer.