公开(公告)号：US10234730B2

公开(公告)日：2019-03-19

申请号：US15388545

申请日：2016-12-22

Applicant: Japan Display Inc.

Inventor： Emi Higano ,  Toshiyuki Higano

IPC: G02F1/1339 ,  G02F1/1341 ,  G02F1/1333

Abstract: According to one embodiment, a liquid crystal display device includes an array substrate, a counter substrate, an adhesive layer, a liquid crystal layer, a frame portion, and first and second barrier members. The first barrier member includes a first wall portion having a frame shape and provided on a surface of the array substrate opposing the counter substrate, and first pillar portions arranged spaced apart from each other and each having opposite end faces abutting against the first wall portion and the counter substrate. The second barrier member includes a second wall portion having a frame shape and provided on a surface of the counter substrate opposing the array substrate, and second pillar portions arranged spaced apart from each other and each having opposite end faces abutting against the second wall portion and the array substrate.

公开(公告)号：US11966112B2

公开(公告)日：2024-04-23

申请号：US17453224

申请日：2021-11-02

Applicant: Japan Display Inc.

Inventor： Toshiyuki Higano ,  Kazuhiro Nishiyama ,  Genki Asozu ,  Kazuki Matsunaga

IPC: G02F1/1333 ,  G02F1/1335 ,  G06V40/13 ,  A61B5/00 ,  A61B5/1172

CPC classification number: G02F1/13338 ,  G02F1/133514 ,  G06V40/1318 ,  A61B5/1172 ,  A61B5/489

Abstract: According to an aspect, a detection apparatus includes: an optical sensor including a sensor base member and a plurality of photoelectric conversion elements that are provided on the sensor base member and each of which is configured to output a signal corresponding to light emitted to the photoelectric conversion element; and a lighting device including a plurality of first light-emitting elements configured to emit first light having a first maximum emission wavelength and a plurality of second light-emitting elements configured to emit second light having a second maximum emission wavelength. Each of the photoelectric conversion elements has responsivity in a wavelength region including a wavelength region of the first light and a wavelength region of the second light.

公开(公告)号：US11656505B2

公开(公告)日：2023-05-23

申请号：US17831808

申请日：2022-06-03

Applicant: Japan Display Inc.

Inventor： Midori Tsukane ,  Toshiyuki Higano

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

CPC classification number: G02F1/1339 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133553 ,  G02F1/134309

Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate and a pixel electrode, a second substrate including a second transparent substrate and a common electrode opposed to the pixel electrode, a liquid crystal layer located between the first substrate and the second substrate and containing a polymer and liquid crystal molecules, a sealant bonding the first substrate and the second substrate and sealing in the liquid crystal layer, and a light-emitting element. The second transparent substrate comprises a side surface opposed to the light-emitting element. A color of the sealant is black, yellow or red.

公开(公告)号：US20190072811A1

公开(公告)日：2019-03-07

申请号：US16121985

申请日：2018-09-05

Applicant: JAPAN DISPLAY INC.

Inventor： Emi HIGANO ,  Toshiyuki Higano

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  F21V8/00

Abstract: According to one embodiment, a display device comprises a light source, a light guide, a flexible display panel, and a first polarizer. The light guide includes first and second surfaces and a side surface. The flexible display panel includes a display area on which the light from the first surface is incident. The first polarizer is disposed between the light guide and the display panel. The display panel is opposed to the first surface. An end portion of the display panel is bent toward the second surface along the side surface. The first polarizer faces the side surface.

公开(公告)号：US10108041B2

公开(公告)日：2018-10-23

申请号：US14872685

申请日：2015-10-01

Applicant: Japan Display Inc.

Inventor： Toshiyuki Higano ,  Emi Higano

IPC: G02F1/1335 ,  G02F1/1343

Abstract: There is provided a liquid crystal display device that a high quality image with suppressed display unevenness can be obtained. A liquid crystal display device includes a first metal electrode, a black matrix disposed at regular spacings, and a liquid crystal. The first metal electrode is disposed to overlap the black matrix when seen perpendicularly from above, and a second metal electrode is disposed at a place at which the first metal is not disposed at a position at which the second metal electrode overlaps the black matrix between different color sub pixels.

公开(公告)号：US20180284523A1

公开(公告)日：2018-10-04

申请号：US15938031

申请日：2018-03-28

Applicant: Japan Display Inc.

Inventor： Emi HIGANO ,  Toshiyuki Higano ,  Shigesumi Araki

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1368 ,  G02F1/1343

Abstract: According to one embodiment, a display device comprises first and second flexible substrates, a liquid crystal layer, first and second spacers. The first flexible substrate includes first and second surfaces. The second flexible substrate includes a third surface opposite to the first surface and a fourth surface opposite to the third surface. The liquid crystal layer is disposed between first and third surfaces. The first spacer is disposed on the first surface. The second spacer is disposed on the third surface. One of the first and second spacers has a concave and the other of the first and second spacers has a convex. The tip of the convex contacts the concave.

公开(公告)号：US09946130B2

公开(公告)日：2018-04-17

申请号：US14944536

申请日：2015-11-18

Applicant: Japan Display Inc.

Inventor： Mitsutaka Okita ,  Noriyoshi Kanda ,  Toshiyuki Higano

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333 ,  H01L27/12

CPC classification number: G02F1/136227 ,  G02F1/133345 ,  G02F1/134309 ,  G02F1/1368 ,  G02F2001/134345 ,  H01L27/124 ,  H01L27/1248

Abstract: A display device includes: first and second drain electrodes; an organic insulating film; an inorganic insulating film formed on the organic insulating film; and first and second pixel electrodes formed on the inorganic insulating film. The organic insulating film includes an organic insulating film opening spanning the first drain electrode and the second drain electrode. The inorganic insulating film covering the organic insulating film includes first and second inorganic insulating film openings. The first pixel electrode is connected to the first drain electrode via the first inorganic insulating film opening. The second pixel electrode is connected to the second drain electrode via the second inorganic insulating film opening.

公开(公告)号：US11976970B2

公开(公告)日：2024-05-07

申请号：US17656281

申请日：2022-03-24

Applicant: Japan Display Inc.

Inventor： Toshiyuki Higano ,  Yasushi Tomioka ,  Kazuhiro Nishiyama

IPC: G01J3/02 ,  G01J3/26 ,  G06V40/13

CPC classification number: G01J3/021 ,  G01J3/0208 ,  G01J3/26 ,  G06V40/1318

Abstract: An optical sensor includes at least one interferometer having a pair of semi-transparent mirrors spaced apart and oppositely arranged, and at least one position of the pair of semi-transparent mirrors can be displaced, at least one collimating element overlapping the at least one interferometer, and at least one photoelectric conversion element having sensitivity in the visible and near infrared light bands and receiving light passing through the interferometer and the collimating element.

公开(公告)号：US11600102B2

公开(公告)日：2023-03-07

申请号：US17517109

申请日：2021-11-02

Applicant: Japan Display Inc.

Inventor： Yasushi Tomioka ,  Kazuki Matsunaga ,  Toshiyuki Higano ,  Kazuhiro Nishiyama

IPC: G06V40/13 ,  H01L27/146

Abstract: According to an aspect, a detection device includes a plurality of light-receiving elements configured to receive light, and a light guide portion one surface of which faces the light-receiving elements. The light guide portion includes a plurality of light guide paths provided throughout from the one surface to the other surface of the light guide portion, and a light-absorbing portion having higher absorbance of the light than that of the light guide paths. When viewed from a direction in which the light-receiving elements and the light guide portion are stacked, more than one of the light guide paths overlap one of the light-receiving elements.

公开(公告)号：US10816857B2

公开(公告)日：2020-10-27

申请号：US15937969

申请日：2018-03-28

Applicant: Japan Display Inc.

Inventor： Emi Higano ,  Toshiyuki Higano ,  Shigesumi Araki

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

Abstract: According to one embodiment, a display device comprises first and second flexible substrates, a sealant, a liquid crystal layer, a film, a first protrusion, scan signal lines, and video signal lines. The first flexible substrate includes first and second surfaces. The second flexible substrate includes third and fourth surfaces. The film is disposed on the fourth surface. The first protrusion is disposed on one of first and third surfaces. The scan signal lines extend in a first direction. The video signal lines extend in a second direction. The first protrusion overlaps one of the scan signal lines and the video signal lines, and extends in one of first and second 0directions.