公开(公告)号：US12001108B2

公开(公告)日：2024-06-04

申请号：US18215958

申请日：2023-06-29

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki

IPC: G02F1/1368 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786

CPC classification number: G02F1/1368 ,  G02F1/133345 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/136209 ,  H01L27/1225 ,  H01L27/124 ,  H01L29/78633 ,  H01L29/7869 ,  G02F2201/52

Abstract: A display device includes a plurality of pixels arranged in a matrix on a substrate along a first direction and a second direction intersecting the first direction. Each of the plurality of pixels includes a transistor, a first transparent electrode located over the transistor and electrically connected to the transistor, a second transparent electrode located over the first transparent electrode and electrically connected to the first transparent electrode via an opening, an insulating layer located over the second transparent electrode, a third transparent electrode located over the insulating layer; and a metal layer in contact with the third transparent electrode. The opening overlaps a gate electrode of the transistor. At least a part of the metal layer is provided in the opening and overlaps the gate electrode. The metal layer extends along the first direction and is commonly provided in the pixels arranged in the first direction.

公开(公告)号：US12001089B2

公开(公告)日：2024-06-04

申请号：US18336246

申请日：2023-06-16

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

IPC: G02F1/13 ,  G02F1/133 ,  G02F1/1335 ,  B60K35/00 ,  B60K35/65 ,  B60K35/81

CPC classification number: G02F1/1323 ,  G02F1/13318 ,  G02F1/133528 ,  B60K35/00 ,  B60K35/658 ,  B60K35/81

Abstract: According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

公开(公告)号：US20240176196A1

公开(公告)日：2024-05-30

申请号：US18508246

申请日：2023-11-14

Applicant: Japan Display Inc.

Inventor： Hajime WATAKABE ,  Masashi TSUBUKU ,  Toshinari SASAKI ,  Takaya TAMARU

IPC: G02F1/1362 ,  G02F1/1368 ,  G06F3/044

CPC classification number: G02F1/136227 ,  G02F1/136286 ,  G02F1/13685 ,  G06F3/044

Abstract: A display device includes a plurality of pixel electrodes each connected to a semiconductor device, a plurality of common electrodes each disposed opposite to a part of the plurality of pixel electrodes, and a plurality of common wirings each connected to the plurality of common electrodes. The semiconductor device includes an oxide semiconductor layer having a polycrystalline structure, and at least a part of each common wiring is composed of the oxide semiconductor layer. Each common electrode may be located across a plurality of pixel electrodes.

公开(公告)号：US20240176074A1

公开(公告)日：2024-05-30

申请号：US18430928

申请日：2024-02-02

Applicant: Japan Display Inc. ,  OSAKA UNIVERSITY

Inventor： Koichi IGETA ,  Shinichiro OKA ,  Yasushi TOMIOKA ,  Junji KOBASHI ,  Hiroyuki YOSHIDA

IPC: G02B6/27

CPC classification number: G02B6/2726

Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first protective layer which overlaps the liquid crystal layer, and which is formed of a water-soluble polymer or a fluorine-based resin.

公开(公告)号：US11996050B2

公开(公告)日：2024-05-28

申请号：US17184799

申请日：2021-02-25

Applicant: Japan Display Inc.

Inventor： Masahiro Kubota

IPC: G09G3/3258 ,  G09G3/3233

CPC classification number: G09G3/3258 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2340/0435

Abstract: A display device includes a display area including a plurality of pixels arrayed next to one another in a first direction and in a second direction that is different from the first direction, and a control circuit, wherein each of the pixels includes a light-emitting element configured to emit light by a current flowing therethrough, a drive transistor, a shut-off transistor, and a holding capacitance.

公开(公告)号：US11994780B2

公开(公告)日：2024-05-28

申请号：US18074800

申请日：2022-12-05

Applicant: Japan Display Inc.

Inventor： Naoyuki Obinata ,  Daichi Hosokawa ,  Masakatsu Kitani

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

CPC classification number: G02F1/136286 ,  G02F1/13338 ,  G02F1/134336 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/04164 ,  G06F3/0443

Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.

公开(公告)号：US11988933B2

公开(公告)日：2024-05-21

申请号：US17950104

申请日：2022-09-22

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

IPC: G02F1/137 ,  B60K35/00 ,  G02F1/01 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/1347

CPC classification number: G02F1/137 ,  G02F1/0136 ,  G02F1/133531 ,  G02F1/133638 ,  G02F1/1347 ,  B60K35/00 ,  B60K2370/25 ,  B60K2370/33

Abstract: According to one embodiment, a display device includes a display panel configured to modulate a first polarization component, a first viewing angle control panel including a first liquid crystal layer containing twisted liquid crystal molecules, a second viewing angle control panel including a second liquid crystal layer containing twisted liquid crystal molecules, and a polarization axis rotation element provided between the first viewing angle control panel and the display panel. A second polarization axis of a second polarization component which passed through the first viewing angle control panel is different from a first polarization axis of the first polarization component. The polarization axis rotation element is configured to rotate the second polarization axis.

公开(公告)号：US11988865B2

公开(公告)日：2024-05-21

申请号：US17656962

申请日：2022-03-29

Applicant: Japan Display Inc.

Inventor： Zhengyi Gou ,  Kentaro Okuyama ,  Hisanori Kawakami

IPC: F21V8/00 ,  G02F1/1334 ,  G02F1/1343

CPC classification number: G02B6/0078 ,  G02B6/0068 ,  G02F1/1334 ,  G02F1/134309 ,  G02F2202/28

Abstract: According to one embodiment, a display device includes a display panel having a first side surface extending along a first direction and including a polymer dispersed liquid crystal layer, and a first light emitting module provided along the first side surface. The first light emitting module includes a plurality of first light sources arranged in the first direction, a plurality of second light sources arranged in the first direction, a first light guide provided between the plurality of first light sources and the first side surface, and a second light guide provided between the plurality of second light sources and the first side surface, and an end surface of the first light guide and an end surface of the second light guide face each other with an air layer interposed therebetween.

公开(公告)号：US20240164153A1

公开(公告)日：2024-05-16

申请号：US18483535

申请日：2023-10-10

Applicant: Japan Display Inc.

Inventor： Shinichi KAWAMURA

IPC: H10K59/126 ,  H10K59/12 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K59/126 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/873

Abstract: According to one embodiment, a mother substrate for a display device includes an insulating substrate including a first main surface and a second main surface, a conductive shielding layer provided in the first main surface or the second main surface, and first and second panel portions overlapping the shielding layer. Each of the first panel portion and the second panel portion includes a display area which displays an image and a surrounding area outside the display area. The shielding layer includes a first shielding portion overlapping the first panel portion, a second shielding portion overlapping the second panel portion, and a connection portion provided for connecting the first shielding portion to the second shielding portion and formed into a belt-like shape.

公开(公告)号：US20240160066A1

公开(公告)日：2024-05-16

申请号：US18505329

申请日：2023-11-09

Applicant: Japan Display Inc.

Inventor： Masataka IKEDA

IPC: G02F1/1343 ,  G02F1/1334

CPC classification number: G02F1/134336 ,  G02F1/1334

Abstract: A display device includes a pixel electrode layer in which a plurality of pixel electrodes is arranged in a first direction and a second direction crossing the first direction, a first substrate including a first surface and a second surface on which the pixel electrode layer is arranged, a second substrate including a third surface arranged to face the second surface, a common electrode layer arranged on the third surface, and a liquid crystal layer arranged between the common electrode layer and the pixel electrode layer. Each of the plurality of pixel electrodes includes a plurality of first openings.