公开(公告)号：US12243879B2

公开(公告)日：2025-03-04

申请号：US18628094

申请日：2024-04-05

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai ,  Yuuji Oomori ,  Yoshihide Ohue

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1362

Abstract: The display device has a first substrate having a display area including pixels and a peripheral area surrounding the display area and including a peripheral circuit, a second substrate arranged facing the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and a plurality of gate wirings spaced apart in a first direction in the peripheral circuit of the first substrate, and a plurality of signal lines spaced apart in a second direction intersecting the first direction, wherein the second substrate has a black matrix with a lattice area at a position facing the display area and the peripheral circuit, and the lattice area of the black matrix is arranged to overlap the plurality of gate wirings and the plurality of signal lines of the peripheral circuit.

公开(公告)号：US11982893B2

公开(公告)日：2024-05-14

申请号：US18314839

申请日：2023-05-10

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1345 ,  G02F1/1362

CPC classification number: G02F1/133388 ,  G02F1/133512 ,  G02F1/1345 ,  G02F1/13452 ,  G02F1/136286 ,  G02F1/13456 ,  G02F1/136209

Abstract: A display device includes an array substrate including a display region and a peripheral region, a counter substrate opposite to the array substrate, and a liquid crystal layer between the array substrate and the counter substrate. The display region includes a plurality of data signal lines and a plurality of scanning signal lines, the peripheral region includes a first wiring pattern arranged with a plurality of wirings connected to each of the plurality of scanning signal lines and a second wiring pattern applied with a certain potential, the first wiring pattern includes a first straight portion extending along the first direction, a second straight portion extending along the second direction, and a bending portion connecting the first straight portion and the second straight portion, and the bending portion includes a first wiring having a staircase-like stepped shape.

公开(公告)号：US11977305B2

公开(公告)日：2024-05-07

申请号：US18348928

申请日：2023-07-07

Applicant: Japan Display Inc.

Inventor： Tatsunori Muramoto ,  Kentaro Kawai ,  Yoshihide Ohue

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/136286 ,  G02F1/136209 ,  G02F1/136227 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate including a scanning line extending along a first direction, a signal line extending along a second direction, a switching element, a first connection electrode, a pixel electrode, and a feed line, a second substrate, a liquid crystal layer containing polymer dispersed liquid crystal, and a light emitting module. The feed line includes an edge extending along the second direction. The first connection electrode is a transparent electrode formed of a same material as the feed line, extends along the first direction, and includes an end portion opposed to the edge.

公开(公告)号：US12111551B2

公开(公告)日：2024-10-08

申请号：US18460686

申请日：2023-09-05

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai

IPC: G02F1/1362 ,  G02F1/1345

CPC classification number: G02F1/13629 ,  G02F1/136209 ,  G02F1/1345 ,  G02F1/13454 ,  G02F1/13456

Abstract: A display device includes an array substrate including a display region arranged with pixels and a peripheral region outside the display region, a counter substrate facing the array substrate, and a liquid crystal layer between the array substrate and the counter substrate. The display region includes a plurality of scanning signal lines extending in a first direction and arranged in a second direction intersecting the first direction, and a plurality of data signal lines extending in the second direction and arranged in the first direction. The peripheral region includes a first wiring pattern arranged with a plurality of first wirings connecting a scanning signal line driver circuit and the plurality of scanning signal lines, and a second wiring pattern arranged with a plurality of second wirings being supplied with a certain electric potential.

公开(公告)号：US11984454B2

公开(公告)日：2024-05-14

申请号：US18314143

申请日：2023-05-09

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai ,  Yuuji Oomori ,  Yoshihide Ohue

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1362

CPC classification number: H01L27/124 ,  G02F1/133357 ,  G02F1/133388 ,  G02F1/13347 ,  G02F1/133512 ,  G02F1/136286 ,  G02F2202/16

Abstract: The display device has a first substrate having a display area including pixels and a peripheral area surrounding the display area and including a peripheral circuit, a second substrate arranged facing the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and a plurality of gate wirings spaced apart in a first direction in the peripheral circuit of the first substrate, and a plurality of signal lines spaced apart in a second direction intersecting the first direction, wherein the second substrate has a black matrix with a lattice area at a position facing the display area and the peripheral circuit, and the lattice area of the black matrix is arranged to overlap the plurality of gate wirings and the plurality of signal lines of the peripheral circuit.

公开(公告)号：US11934075B2

公开(公告)日：2024-03-19

申请号：US17305467

申请日：2021-07-08

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai ,  Keita Sasanuma ,  Takayuki Kato

IPC: G02F1/1362 ,  G02F1/1345

CPC classification number: G02F1/136295 ,  G02F1/1345 ,  G02F1/13458

Abstract: According to one embodiment, a display device includes a display portion, a first terminal, a second terminal located between the display portion and the first terminal, and an insulating film, in which each of the first terminal and the second terminal is a stacked layer body of a metal electrode and a first transparent electrode, in the first terminal, the first transparent electrode is in contact with an upper surface and a side surface of the metal electrode, in the second terminal, the insulating film is in contact with a side surface of the metal electrode, and the first transparent electrode is in contact with the upper surface of the metal electrode in an inside surrounded by the insulating film.

公开(公告)号：US12242149B2

公开(公告)日：2025-03-04

申请号：US18638803

申请日：2024-04-18

Applicant: Japan Display Inc.

Inventor： Tatsunori Muramoto ,  Kentaro Kawai ,  Yoshihide Ohue ,  Kentaro Okuyama ,  Tenfu Nakamura ,  Koji Kitamura

IPC: G02F1/1343 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1339

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.

公开(公告)号：US12158679B2

公开(公告)日：2024-12-03

申请号：US18312608

申请日：2023-05-05

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai ,  Masataka Ikeda ,  Hirotaka Hayashi ,  Yuuji Oomori ,  Yoshihide Ohue

IPC: G02F1/1362 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/1334 ,  G09G3/36 ,  H01L27/12

Abstract: A display device includes a first pixel, a second pixel, and a third pixel arranged in a first direction in a display area arranged on a first substrate, a first source wiring, a second wiring, and a third wiring extending in the first direction, and connected to each of the first pixel to the third pixel, and a first gate wiring, a second gate wiring, and a third wiring intersecting the first direction, and connected to each of the first pixel to the third pixel. The first pixel includes a first transistor electrically connected to the first gate wiring and the first source wiring and a liquid crystal element electrically connected to the first transistor, the first pixel to the third pixel are arranged between the first source wiring and the third source wiring, and the second source wiring, and the first source wiring intersects the third source wiring.

公开(公告)号：US12130526B2

公开(公告)日：2024-10-29

申请号：US18459444

申请日：2023-09-01

Applicant: Japan Display Inc.

Inventor： Kentaro Kawai

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1345 ,  H01L27/12

CPC classification number: G02F1/136286 ,  G02F1/133357 ,  G02F1/1334 ,  G02F1/133512 ,  G02F1/13452 ,  G02F1/136227 ,  H01L27/124

Abstract: A display device includes an array substrate including a display region arranged with pixels and a peripheral region outside the display region, a counter substrate facing the array substrate, and a liquid crystal layer between the array substrate and the counter substrate. The display region includes a plurality of scanning signal lines extending in a first direction and arranged in a second direction intersecting the first direction, and a plurality of data signal lines extending in the second direction and arranged in the first direction. The peripheral region comprises a first wiring pattern having a first grid pattern formed with a plurality of first wirings connecting the plurality of scanning signal lines and a scanning signal line driver circuit and a plurality of dummy wirings, and a second wiring pattern having a second grid pattern formed with second wirings to be applied with a certain potential.

公开(公告)号：US12025899B2

公开(公告)日：2024-07-02

申请号：US18349217

申请日：2023-07-10

Applicant: Japan Display Inc.

Inventor： Tatsunori Muramoto ,  Kentaro Kawai ,  Yoshihide Ohue ,  Akihiro Hanada

IPC: G02F1/1368 ,  G02F1/1334 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/1368 ,  G02F1/1334 ,  G02F1/136286 ,  H01L27/1248

Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate, a switching element including an oxide semiconductor, an organic insulating film covering the switching element, a transparent electrode including a first aperture penetrating to an upper surface of the organic insulating film, an inorganic insulating film including a second aperture penetrating to the upper surface in the first aperture, and a pixel electrode electrically connected to the switching element, and a second substrate including a second transparent substrate and opposed to the first substrate.