公开(公告)号：US11640092B2

公开(公告)日：2023-05-02

申请号：US17120648

申请日：2020-12-14

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Mamoru Douyou

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

Abstract: A display device includes a substrate, a plurality of signal lines, a plurality of terminals, a plurality of wiring lines, metal wiring, a second metal layer, a third metal layer. In a first wiring region, each wiring line is composed of the first metal layer and extends in a second direction intersecting with the first direction. In a second wiring region between the first wiring region and the terminals, the wiring lines include the wiring line composed of the first metal layer and the second metal layer and the wiring line composed of the third metal layer. The metal wiring is provided in a different layer from the first metal layer; and intersects with the wiring lines in the first wiring region and extends in the first direction when viewed from a direction perpendicular to the substrate.

公开(公告)号：US11619848B2

公开(公告)日：2023-04-04

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 ,  G02F1/1368 ,  G02F1/1362

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：US11600641B2

公开(公告)日：2023-03-07

申请号：US17523508

申请日：2021-11-10

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Masaki Murase ,  Nobuyuki Ishige

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  H01L29/786 ,  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：US11562708B2

公开(公告)日：2023-01-24

申请号：US17497398

申请日：2021-10-08

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Akihiro Ogawa

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

Abstract: A performance of a display apparatus is improved. A display apparatus has a display region, a transparent region and a frame region. The display apparatus includes a plurality of scan signal lines extending in an X direction in the display region and a plurality of image signal lines extending in a Y direction in the display region. The plurality of image signal lines include a first wiring (image signal line) and a second wiring (image signal line). The first wiring includes a first bypass wiring portion arranged in the frame region and a first extension wiring portion connected to an end of the first bypass wiring portion and extending in the Y direction. The second wiring includes a second bypass wiring portion arranged in the frame region and a second extension wiring portion connected to an end of the second bypass wiring portion and extending in the Y direction. In a plan view, the first wiring and the second wiring intersect with each other at the frame region.

公开(公告)号：US11556035B2

公开(公告)日：2023-01-17

申请号：US17203778

申请日：2021-03-17

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/136 ,  G02F1/1368

Abstract: According to one embodiment, a semiconductor substrate including, a switching element, a first organic insulating film, first and second metal lines arranged in a first direction and extending in a second direction, and a metal electrode located between the first and second metal lines. The first organic insulating film includes first and second surfaces. The switching element is covered with the first surface. The first and second metal lines and the metal electrode are located on the second surface side. The first metal line includes a first portion extending in the second direction and a second portion having a width larger than a width of the first portion. The second portion includes arcuate first and second edge. The metal electrode has a polygonal shape having n corners or an elliptic shape where n is larger than four.

公开(公告)号：US11435628B2

公开(公告)日：2022-09-06

申请号：US17242910

申请日：2021-04-28

Applicant: Japan Display Inc.

Inventor： Gen Koide

IPC: G02F1/1345 ,  H01L27/12 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L29/786

Abstract: A display device is provided and includes first substrate; first insulating layer on first substrate; first common electrode in first row on first insulating layer; second common electrode in second row on first insulating layer; second insulating layer on first and second common electrodes; pixel electrodes on second insulating layer; first line connected to first common electrode; second line connected to second common electrode; drive signal line outside display area; first transistor between first and drive signal lines; second transistor between second and drive signal lines; second substrate facing first substrate; and liquid crystal layer between first and second substrates; wherein first and second transistors are outside the display area, and second line is longer than first line.

公开(公告)号：US11385739B2

公开(公告)日：2022-07-12

申请号：US17182739

申请日：2021-02-23

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Fumitaka Gotoh ,  Gen Koide ,  Tadayoshi Katsuta

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/046

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.

公开(公告)号：US11347123B2

公开(公告)日：2022-05-31

申请号：US17246808

申请日：2021-05-03

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：US11300840B2

公开(公告)日：2022-04-12

申请号：US17109631

申请日：2020-12-02

Applicant: Japan Display Inc.

Inventor： Gen Koide

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

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：US10831076B2

公开(公告)日：2020-11-10

申请号：US16508989

申请日：2019-07-11

Applicant: Japan Display Inc.

Inventor： Gen Koide ,  Hiroyuki Abe ,  Kazune Matsumura

IPC: G02F1/1362 ,  G09G3/36

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.