公开(公告)号：US20230369355A1

公开(公告)日：2023-11-16

申请号：US18225809

申请日：2023-07-25

Applicant: Japan Display Inc. ,  The University of Tokyo

Inventor： Keiichi SAITO ,  Takashi NAKAMURA ,  Gen KOIDE ,  Takao SOMEYA ,  Tomoyuki YOKOTA

IPC: H01L27/144 ,  H01L31/101

CPC classification number: H01L27/1446 ,  H01L31/1013

Abstract: According to an aspect, a detection device includes a plurality of optical sensors arranged on a substrate. Each of the optical sensors includes a first photodiode and a second photodiode that is coupled in series and in an opposite direction to the first photodiode.

公开(公告)号：US20230258990A1

公开(公告)日：2023-08-17

申请号：US18139098

申请日：2023-04-25

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Mamoru DOUYOU

IPC: G02F1/1362 ,  G06F3/041 ,  G02F1/1345 ,  G06F3/044

CPC classification number: G02F1/13629 ,  G06F3/04164 ,  G02F1/13458 ,  G06F3/0412 ,  G06F3/044 ,  G02F1/13685

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：US20230205022A1

公开(公告)日：2023-06-29

申请号：US18175584

申请日：2023-02-28

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

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

CPC classification number: G02F1/13454 ,  G02F1/13338 ,  G02F1/134363 ,  G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/04164 ,  G06F3/04184 ,  G09G3/3611 ,  G09G3/3648 ,  G09G3/3655 ,  G02F1/1368 ,  G02F2201/56 ,  G02F2201/121 ,  G02F2201/123 ,  G06F2203/04107

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：US20230194916A1

公开(公告)日：2023-06-22

申请号：US18169391

申请日：2023-02-15

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Shimpei NOSHITA ,  Junichi KITAMURA

IPC: G02F1/133 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1337 ,  G09G3/3275 ,  G09G3/3266 ,  G02F1/1345 ,  G09G3/3225

CPC classification number: G02F1/13306 ,  G02F1/133514 ,  G02F1/1343 ,  G02F1/1337 ,  G09G3/3275 ,  G09G3/3266 ,  G02F1/13454 ,  G09G3/3225 ,  G02F1/136286

Abstract: In one embodiment, a display device includes a display area, a peripheral area, scanning lines, signal lines, a first driver in the peripheral area, and a second driver in the peripheral area. The display area has an arc-shaped corner. The first driver includes first and second buffers configured to apply voltage to the scanning lines, a first shift register unit configured to control the first buffer unit, and a second shift register unit configured to control the second buffer unit. At the corner, extension directions of the first buffer unit and the first shift register unit are equal to each other. Extension directions of the second buffer unit and the second shift register unit are different from each other.

公开(公告)号：US20230028839A1

公开(公告)日：2023-01-26

申请号：US17859251

申请日：2022-07-07

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H01L51/44 ,  H01L27/28

Abstract: According to an aspect, a detection device includes: a substrate; a plurality of first electrodes arranged on a first principal surface of the substrate; a plurality of photodiodes provided corresponding to the first electrodes, and each including a first carrier transport layer, an active layer, and a second carrier transport layer; a second electrode provided across the photodiodes; a backlight provided on a second principal surface side opposite to the first principal surface of the substrate; a plurality of light-blocking layers provided between the backlight and the photodiodes; and a light-transmitting area formed between adjacent light-blocking layers of the light-blocking layers.

公开(公告)号：US20230004037A1

公开(公告)日：2023-01-05

申请号：US17899109

申请日：2022-08-30

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

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

Abstract: A display device is provided and includes display unit comprising common electrodes two dimensionally arrayed on substrate, drive signal lines configured to transmit drive signals for touch detection to common electrodes, and switch circuit comprising transistors connected to drive signal lines to select at least one common electrode; flexible substrate connected to substrate; pads at connections of flexible substrate and substrate; and touch detection circuit configured to transmit drive signals to common electrodes, wherein: transistors comprises: first transistor connected to first electrode of common electrodes via first wiring of first length; and second transistor connected to second electrode of common electrodes via second wiring of second length; channel width of first transistor is narrower than channel width of second transistor; drive signal lines are respectively connected to pads separated at two or more positions.

公开(公告)号：US20220317533A1

公开(公告)日：2022-10-06

申请号：US17841971

申请日：2022-06-16

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

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

Abstract: A liquid crystal display is provided and includes first and second substrates and liquid crystal layer therebetween; pixel electrode on first substrate; pedestal metal coupled to pixel electrode; semiconductor layer substantially U-shaped and coupled to pedestal metal at first coupling portion; scan line that extends in first direction and in layer different from semiconductor layer; signal line that extends in second direction different from first direction so as to three-dimensionally cross scan line, signal line being coupled to semiconductor layer at second coupling portion; and extending portion that is part of scan line and that protrudes from scan line, the extending portion extending along signal line, wherein: in first direction along a shorter side of each pixel unit, extending portion is adjacent to pedestal metal; and in second direction along a longer side of each pixel unit, length of extending portion is smaller than length of pedestal metal.

公开(公告)号：US20220068974A1

公开(公告)日：2022-03-03

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 ,  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：US20210200047A1

公开(公告)日：2021-07-01

申请号：US17201554

申请日：2021-03-15

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

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

Abstract: A liquid crystal display is provided and includes first and second substrates and liquid crystal layer therebetween; pixel electrode on first substrate; pedestal metal coupled to pixel electrode; semiconductor layer substantially U-shaped and coupled to pedestal metal at first coupling portion; scan line that extends in first direction and in layer different from semiconductor layer; signal line that extends in second direction different from first direction so as to three-dimensionally cross scan line, signal line being coupled to semiconductor layer at second coupling portion; and extending portion that is part of scan line and that protrudes from scan line, the extending portion extending along signal line, wherein: in first direction along a shorter side of each pixel unit, extending portion is adjacent to pedestal metal; and in second direction along a longer side of each pixel unit, length of extending portion is smaller than length of pedestal metal.

公开(公告)号：US20210181568A1

公开(公告)日：2021-06-17

申请号：US17190647

申请日：2021-03-03

Applicant: Japan Display Inc.

Inventor： Hiroyuki ABE ,  Kazune MATSUMURA ,  Gen KOIDE ,  Kentaro AGATA

IPC: G02F1/1333 ,  G02F1/1362 ,  G02F1/1345

Abstract: A display device includes a substrate, a display region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved portions, a peripheral region located between an end portion of the substrate and the display region, a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, at least one gate driver arranged in the peripheral region and coupled to the scan lines, a signal line coupling circuit arranged in the peripheral region and coupled to the signal lines, a plurality of terminals aligned in the peripheral region, and a plurality of wiring lines coupling the terminals and the signal line coupling circuit.