公开(公告)号：US20240250094A1

公开(公告)日：2024-07-25

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

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：US20200310209A1

公开(公告)日：2020-10-01

申请号：US16829031

申请日：2020-03-25

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Hiroki SUGIYAMA ,  Yoshihide OHUE

IPC: G02F1/1362 ,  G02F1/1339 ,  G02F1/1334

Abstract: According to one embodiment, a display device including a first substrate a pixel electrode, and lines, a second substrate including a common electrode, a liquid crystal layer located between the first substrate and the second substrate, and a sealing material located in a non-display area, wherein each of the lines includes a first portion extending in a first direction in a display area and a second portion extending in a second direction in the non-display area, the lines include first lines, the second portion of each of the first lines overlapping the sealing material, and the common electrode does not overlap the second portion in an area overlapping the liquid crystal layer.

公开(公告)号：US20230187456A1

公开(公告)日：2023-06-15

申请号：US18073046

申请日：2022-12-01

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Hiroshi INAMURA ,  Kaoru TAKETA ,  Yoshihide OHUE

IPC: H01L27/12 ,  H01L29/786 ,  G02F1/1368 ,  G02F1/1362

CPC classification number: H01L27/124 ,  H01L27/1225 ,  H01L29/7869 ,  H01L27/1259 ,  G02F1/1368 ,  G02F1/136286 ,  G02F1/136227 ,  G06V40/1318

Abstract: A TFT substrate includes a substrate, a plurality of transistors provided on the substrate and each including an oxide semiconductor layer, a plurality of scanning lines electrically coupled to gates of the transistors and extending in a first direction, a plurality of signal lines electrically coupled to the oxide semiconductor layers of the transistors and extending in a second direction intersecting the first direction, an insulating film covering the signal lines and the oxide semiconductor layers, and a coupling wire provided on the insulating film. At least one of the signal lines is separated in the second direction by a slit, and the coupling wire electrically couples one signal line and another signal line adjacent to each other in the second direction across the slit.

公开(公告)号：US20220373838A1

公开(公告)日：2022-11-24

申请号：US17747025

申请日：2022-05-18

Applicant: Japan Display Inc.

Inventor： Koji KITAMURA ,  Yoshihide OHUE ,  Kentaro OKUYAMA ,  Hiroya MORIMOTO ,  Masato KESHO

IPC: G02F1/1333 ,  G02F1/1362 ,  G02F1/1339 ,  G02F1/1335

Abstract: A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal a liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The peripheral region includes a first peripheral region which is provided between the display region and the sealing portion and from which an insulating film is removed and a second peripheral region which is provided between the display region and the sealing portion and in which the insulating film covering a circuit is formed. A light blocking film arranged so as to straddle the first and second peripheral regions and extending linearly in an extending direction of a boundary between the first and second peripheral regions is formed on a substrate.

公开(公告)号：US20220244606A1

公开(公告)日：2022-08-04

申请号：US17727021

申请日：2022-04-22

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Yoshihide OHUE ,  Manabu MIZUNO ,  Kentaro OKUYAMA

IPC: G02F1/1362 ,  G02F1/1368

Abstract: A display device according to an aspect includes: an array substrate including a plurality of first light-transmitting electrodes each disposed in a corresponding one of pixels; a counter substrate including positions that overlap the first light-transmitting electrodes in a plan view and are provided with a second light-transmitting electrode; a liquid crystal layer including polymer-dispersed liquid crystals filled between the array substrate and the counter substrate; and at least one light emitter configured to emit light toward a side surface of the counter substrate. The array substrate includes, in each of the pixels, a third light-transmitting electrode and a conductive metal layer. The third light-transmitting electrode at least partially overlaps the first light-transmitting electrode in the plan view with an inorganic insulating layer interposed therebetween, and the conductive metal layer is stacked on the third light-transmitting electrode.

公开(公告)号：US20220187652A1

公开(公告)日：2022-06-16

申请号：US17542759

申请日：2021-12-06

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Kentaro OKUYAMA ,  Yoshihide OHUE ,  Yuuji OOMORI

IPC: G02F1/1333 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1334

Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source. The array substrate includes: signal lines; scanning lines; a grid-shaped organic insulating layer that extends along the scanning lines and the signal lines and overlies the scanning lines and the signal lines; pixel electrodes provided in regions surrounded by the scanning lines and the signal lines; and a first orientation film that covers the pixel electrodes. A portion of each pixel electrodes overlaps a slant surface of the organic insulating layer. The counter substrate includes: a common electrode overlapping the respective pixel electrodes; a protective film that has an insulating capability and a light transmitting capability and covers a side of the common electrode facing the array substrate at least in the display region; and a second orientation film that covers the protective film.

公开(公告)号：US20250060641A1

公开(公告)日：2025-02-20

申请号：US18935704

申请日：2024-11-04

Applicant: Japan Display Inc.

Inventor： Kentaro KAWAI ,  Masataka IKEDA ,  Hirotaka HAYASHI ,  Yuuji OOMORI ,  Yoshihide OHUE

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1345 ,  G02F1/1368 ,  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：US20240264481A1

公开(公告)日：2024-08-08

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

CPC classification number: G02F1/1334 ,  G02F1/133512 ,  G02F1/1339 ,  G02F1/134309

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：US20240201809A1

公开(公告)日：2024-06-20

申请号：US18593064

申请日：2024-03-01

Applicant: Japan Display Inc.

Inventor： Yoshihide OHUE ,  Yukiya HIRABAYASHI

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0443

Abstract: A display device with a sensor in which the deterioration of display quality is suppressed even when the sensor wires are superimposed on the respective slits of two detection electrodes disposed side by side. The device includes a plurality of detection electrodes, sensor wires, pixels, scanning lines, and signal lines on a first insulating substrate. The detection electrodes are arrayed in a matrix in first direction and second directions. The sensor wires and signal lines are disposed alternately in the first direction and provided on the same layer. Switching elements of two of the pixels disposed side by side in the first direction each are coupled to one of the signal lines, and the signal line is superimposed on the corresponding detection electrode that straddles the two pixels. The sensor wires are disposed between the two pixels and superimposed on the respective slits of the two detection electrodes.

公开(公告)号：US20240201531A1

公开(公告)日：2024-06-20

申请号：US18441241

申请日：2024-02-14

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Yoshihide OHUE ,  Hiroki SUGIYAMA ,  Tomoyuki TADA

IPC: G02F1/1333 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/133345 ,  G02F1/1334 ,  G02F1/133512 ,  G02F1/133615 ,  G02F1/13394 ,  G02F1/136213 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1255 ,  G02F1/133365 ,  G02F1/13347 ,  G02F1/136227 ,  G02F2203/03

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer including polymers and liquid crystal molecules, and a light-emitting element. The first substrate includes a transparent substrate, a scanning line, a signal line crossing the scanning line, a switching element electrically connected to the scanning line and the signal line, an organic insulating film overlapping the switching element, and a pixel electrode electrically connected to the switching element. A thickness of the organic insulating film located between the transparent substrate and the pixel electrode is less than a thickness of the organic insulating film overlapping the switching element.