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.

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：US11982825B2

公开(公告)日：2024-05-14

申请号：US18319000

申请日：2023-05-17

Applicant: Japan Display Inc. ,  OSAKA UNIVERSITY

Inventor： Koichi Igeta ,  Shinichiro Oka ,  Yasushi Tomioka ,  Hiroyuki Yoshida

IPC: G02B5/30 ,  C09K19/36 ,  C09K19/54 ,  G02B5/18

CPC classification number: G02B5/3016 ,  C09K19/36 ,  C09K19/54 ,  G02B5/1833 ,  G02B5/1857

Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate including a main surface, an alignment film disposed on the main surface, and a liquid crystal layer overlapping the alignment film and including a cholesteric liquid crystal including liquid crystal molecules stacked helically and an additive exhibiting a liquid crystalline property. In the liquid crystal layer, a reflective surface along which alignment directions of the liquid crystal molecules are identical is inclined with respect to the main surface.

公开(公告)号：US20240153443A1

公开(公告)日：2024-05-09

申请号：US18406360

申请日：2024-01-08

Applicant: Japan Display Inc.

Inventor： Tetsuo MORITA ,  Yasuhiro OGAWA

IPC: G09G3/32 ,  G09G3/20 ,  H01L25/075

CPC classification number: G09G3/32 ,  G09G3/2003 ,  H01L25/0753 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/08 ,  G09G2330/00

Abstract: According to one embodiment, a display device includes a display region where pixels are arranged. Each of the pixels includes a pixel electrode, a light emitting element, a drive transistor, a first capacitance electrode layer opposed to the pixel electrode and held at a constant potential, and an insulating layer forming an auxiliary capacitance together with the pixel electrode and the first capacitance electrode layer. A value of the auxiliary capacitance of the first pixel, of the values of the auxiliary capacitance of the pixels is the largest.

公开(公告)号：US20240152011A1

公开(公告)日：2024-05-09

申请号：US18414623

申请日：2024-01-17

Applicant: Japan Display Inc.

Inventor： Takayuki SUZUKI ,  Hiroyuki ABE

IPC: G02F1/1362 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1345 ,  G02F1/1368 ,  G09G3/36 ,  H01L27/12

CPC classification number: G02F1/136286 ,  G02F1/13306 ,  G02F1/133345 ,  G02F1/1345 ,  G02F1/1368 ,  G09G3/3688 ,  H01L27/1222 ,  H01L27/124 ,  G02F1/133519 ,  G09G2300/0426 ,  G09G2310/0297

Abstract: A liquid crystal display device having an outer shape of a display region formed other than a rectangle. A driver for supplying a video signal is disposed outside the display region. A selector with selector TFT is disposed between the display region and the driver. A video signal line is disposed between the driver and the selector, and a drain line is disposed between the selector and the display region. A scanning circuit for supplying a scanning signal to the scanning line is disposed outside the display region. The selector is disposed between the scanning line and the display region, and covered with ITO as the common electrode. The common bus wiring is disposed outside the selector.

公开(公告)号：US20240151580A1

公开(公告)日：2024-05-09

申请号：US17981497

申请日：2022-11-07

Applicant: Japan Display Inc.

Inventor： Chungkai CHEN ,  Naoki TAKADA

IPC: G01J1/44

CPC classification number: G01J1/44

Abstract: A light sensing apparatus includes a pixel array including Thin Film Transistors (TFTs) and an interface integrated circuit including silicon transistors. The pixel array includes a plurality of pixel circuits. Each of the plurality of pixel circuits includes a light sensitive device and a detection TFT connected to the light sensitive device. The pixel array may also include a plurality of correlated double sampling (CDS) circuits each including a current source configured to provide current that biases a detection TFT in one of the pixel circuits to be configured as a source-follower. The interface integrated circuit includes at least one receiver circuit configured to receive an output of at least one of the CDS circuits. The CDS circuits may also include a bypass TFT, and the interface integrated circuit may also include a current source that provides current that biases a detection TFT in one of the pixel circuits to be configured as a source-follower when the bypass TFT is active.

公开(公告)号：US20240148251A1

公开(公告)日：2024-05-09

申请号：US18387992

申请日：2023-11-08

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Takahiro SHOJI ,  Yoshihide OHUE ,  Kaoru TAKETA

IPC: A61B5/00

CPC classification number: A61B5/0059

Abstract: According to an aspect, a detection device includes: a substrate; a photodiode in which a lower electrode, a semiconductor layer, and an upper electrode are stacked on the substrate in the order as listed; a transistor provided in the photodiode; an insulating layer provided between layers of the substrate and the photodiode; and a planarizing layer covering the insulating layer. The insulating layer comprises a projecting portion that projects toward the photodiode in a direction orthogonal to the substrate. The planarizing layer has a contact hole provided in a position that is below the photodiode and overlaps the projecting portion of the insulating layer. The photodiode is provided on an upper side of the planarizing layer and is also provided so as to cover the contact hole. The lower electrode of the photodiode is electrically coupled to the transistor at a bottom of the contact hole.

公开(公告)号：US11980048B2

公开(公告)日：2024-05-07

申请号：US17699224

申请日：2022-03-21

Applicant: Japan Display Inc.

Inventor： Hayata Aoki ,  Masashi Tsubuku ,  Toshinari Sasaki

IPC: H10K50/858 ,  H10K50/81 ,  H10K50/828

CPC classification number: H10K50/828 ,  H10K50/81 ,  H10K50/858

Abstract: According to one embodiment, a display device comprises a first area including a pixel and a second area different from the first area, wherein the pixel comprises a pixel electrode, an organic material layer including a light-emitting layer, a common electrode, a first insulating layer, a second insulating layer having a refractive index lower than that of the first insulating layer, and a third insulating layer, the second area is an area not overlapping the light-emitting layer in plan view, the second area is a transparent area, and the second area comprises the first insulating layer provided therein, the second area does not comprise the second insulating layer.