公开(公告)号：US20230251534A1

公开(公告)日：2023-08-10

申请号：US18300710

申请日：2023-04-14

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Hiroyuki Abe ,  Kazune Matsumura

IPC: G02F1/1345 ,  G02F1/1362

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

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：US11556200B2

公开(公告)日：2023-01-17

申请号：US17750412

申请日：2022-05-23

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/044 ,  G09G3/20 ,  G09G3/36

Abstract: According to an aspect, a display device includes a display panel provided with a display region including a plurality of pixels and with a plurality of detection electrodes. The display panel includes: a plurality of lines of first common wiring configured to transmit pixel signals to be supplied to the pixels and a detection input/output signal to be supplied to the detection electrodes; pixel signal wiring electrically coupled to the pixels; detection electrode wiring electrically coupled to the detection electrodes; a first switching circuit configured to electrically couple or uncouple the first common wiring to or from the pixel signal wiring; and a second switching circuit configured to electrically couple or uncouple the first common wiring to or from the detection electrode wiring.

公开(公告)号：US11550193B2

公开(公告)日：2023-01-10

申请号：US17512766

申请日：2021-10-28

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Morikazu Nomura

IPC: G02F1/1345 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a first substrate including a display area, a terminal area, a first side and a third side, and a second substrate opposed to the first substrate and including a fifth side and a seventh side. The terminal area is sandwiched between the third side and the seventh side. The first substrate includes a first round corner between the first side and the third side. The second substrate includes a third round corner between the fifth side and the seventh side. A radius of curvature of the third round corner is smaller than a radius of curvature of the first round corner.

公开(公告)号：US11205665B2

公开(公告)日：2021-12-21

申请号：US17000788

申请日：2020-08-24

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Masaki Murase ,  Nobuyuki Ishige

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1368

Abstract: In a transistor substrate of a display device, a plurality of signal lines to which any one of drive signals of a gate signal and a video signal is supplied include a plurality of first signal lines to which the drive signal is supplied. The first signal line is connected to a driving driver, and is formed in an edge region positioned between an end portion of a substrate and a pixel region and in the pixel region. The first signal line is formed to pass through a first wiring formed in a first layer from a second wiring formed in a second layer in the edge region.

公开(公告)号：US11194206B2

公开(公告)日：2021-12-07

申请号：US17203771

申请日：2021-03-17

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Masataka Ikeda

IPC: G02F1/1333 ,  G02F1/1362 ,  H01L27/12

Abstract: According to one embodiment, a semiconductor substrate includes a signal line including a first area overlapping a first concave groove portion and a second area not overlapping the first concave groove portion. The signal line includes a first layer and a second layer. A first end portion of the first layer of the first area projects from a side surface of the second layer in a direction parallel to a plane of the first base. The first layer of the first area includes a first portion between the side surface of the second layer and the first end portion. The first portion is in contact with a side surface of the first concave groove portion, and the side surface of the second layer is covered with the first portion in the first concave groove portion.

公开(公告)号：US11073732B2

公开(公告)日：2021-07-27

申请号：US16703895

申请日：2019-12-05

Applicant: Japan Display Inc.

Inventor： Hiroyuki Abe ,  Kazune Matsumura ,  Gen Koide

IPC: G02F1/1362 ,  G09G3/36 ,  G02F1/1339 ,  G02F1/133

Abstract: According to one embodiment, a display device includes a display portion, a non-display portion around the display portion, a scanning line located in the display portion, a feed line at a common potential located in the non-display portion, a scanning line drive circuit located in the non-display portion and supplying a scanning signal to the scanning line, a first wiring line group located between the feed line and the scanning line drive circuit and connected to the scanning line drive circuit, and a transparent conductive film electrically connected to the feed line and covering the feed line, the first wiring line group and the scanning line drive circuit. The transparent conductive film has an opening overlapping the first wiring line group.

公开(公告)号：US11036100B2

公开(公告)日：2021-06-15

申请号：US16181380

申请日：2018-11-06

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1345 ,  G02F1/1362 ,  H01L23/544 ,  H01L27/12 ,  G09G3/20 ,  H01L29/786 ,  G02F1/1368 ,  G09G3/36

Abstract: According to one embodiment, a display device includes an insulating substrate, a first insulating film, terminal portions and a pattern. The first insulating film covers the insulating substrate. The terminal portions are disposed on the first insulating film. The pattern is between the insulating substrate and the first insulating film. The pattern is formed by a semiconductor or a light-shielding material, and the pattern is covered with the first insulating film. The pattern is located just under a first terminal and a second terminal of the terminal portions.

公开(公告)号：US10970510B2

公开(公告)日：2021-04-06

申请号：US16173715

申请日：2018-10-29

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Gen Koide ,  Hayato Kurasawa ,  Toshio Soya ,  Fumitaka Gotoh

IPC: G06K9/00 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  H05K1/02 ,  G02F1/1368

Abstract: According to one embodiment, a sensor includes a first control line, a first signal line, a first detection switch, a common electrode, a first detection electrode, a first circuit and a second circuit. The common electrode is located above the first control line, the first signal line and the first detection switch, opposed to the first control line, the first signal line and the first detection switch. The first detection electrode is located above the common electrode. The first circuit and the second circuit are located under the common electrode, and are opposed to the common electrode.

公开(公告)号：US20210011349A1

公开(公告)日：2021-01-14

申请号：US17037837

申请日：2020-09-30

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：US10884302B2

公开(公告)日：2021-01-05

申请号：US16837639

申请日：2020-04-01

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G09G3/36 ,  G06F3/044 ,  G06F3/041 ,  G02F1/1362 ,  G02F1/1368

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.