公开(公告)号：US20190041673A1

公开(公告)日：2019-02-07

申请号：US16053860

申请日：2018-08-03

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1343 ,  F21V8/00 ,  G09G3/36 ,  G02F1/133

Abstract: According to one embodiment, a display device includes a display panel, a light emitting element, a light guide layer and a first optical layer. The display panel includes a first substrate, a second substrate opposed to the first substrate, and a polymer dispersed liquid crystal layer which is held between the first substrate and the second substrate and contains a polymer and a liquid crystal molecule. The light guide layer has a first surface opposed to the display panel, and an edge opposed to the light emitting element. The first optical layer is located between the display panel and the light guide layer. A refractive index of the first optical layer is lower than a refractive index of the light guide layer.

公开(公告)号：US20190033663A1

公开(公告)日：2019-01-31

申请号：US16144852

申请日：2018-09-27

Applicant: Japan Display Inc.

Inventor： Tatsuya Yata ,  Kentaro Okuyama

IPC: G02F1/1335 ,  G02F1/1334

CPC classification number: G02F1/133615 ,  G02F1/1334 ,  G02F1/133514 ,  G02F1/136286 ,  G02F2001/133618 ,  G02F2201/58

Abstract: According to one embodiment, a display device comprises first and second substrate having light transmissivity and opposing each other, a light-modulating layer arranged between the first substrate and the second substrate, a light source unit which illuminates the light-modulating layer from an outer side of a position which opposes a display area, along a normal direction, first to third color filters of different colors arranged on the first substrate, and first to third electrodes which oppose the first to third color filters, respectively, the light-modulating layer being able to change light dispersibility of each of regions which oppose the first to third color filters according to the electric field produced by each respective one of the first to third electrodes.

公开(公告)号：US10067392B2

公开(公告)日：2018-09-04

申请号：US15440180

申请日：2017-02-23

Applicant: Japan Display Inc.

Inventor： Hideki Kaneko ,  Kentaro Okuyama ,  Hiroshi Inamura ,  Hiroki Sugiyama ,  Manabu Mizuno

IPC: G02F1/1362 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1339 ,  G02F1/1334 ,  G02F1/137 ,  G02F1/1335

Abstract: A display device according to one aspect of the present invention includes a first substrate including a thin film transistor, a second substrate including a common electrode, an organic insulating layer arranged on the first substrate so as to overlap with the thin film transistor, and projecting from the first substrate toward the second substrate, and a conductive light shielding layer covering an upper surface and a side surface of the organic insulating layer, and electrically coupled with the common electrode, wherein the organic insulating layer and the light shielding layer hold a gap between the first substrate and the second substrate.

公开(公告)号：US12013563B2

公开(公告)日：2024-06-18

申请号：US18359029

申请日：2023-07-26

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

IPC: F21V8/00 ,  G02F1/1334 ,  G02F1/1339

CPC classification number: G02B6/005 ,  G02B6/0091 ,  G02F1/13347 ,  G02F1/1339

Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate, a liquid crystal layer, light-emitting elements disposed in a first direction, a third transparent substrate including a main surface and a side surface opposed to the light-emitting elements, and a transparent layer disposed on the main surface and having a lower refractive index than the third transparent substrate. The third transparent substrate is bonded to the first transparent substrate or the second transparent substrate with the transparent layer sandwiched in between. The transparent layer includes strip portions disposed in the first direction and extended along a second direction.

公开(公告)号：US11934057B2

公开(公告)日：2024-03-19

申请号：US18064580

申请日：2022-12-12

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.

公开(公告)号：US11928990B2

公开(公告)日：2024-03-12

申请号：US17192063

申请日：2021-03-04

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Kentaro Okuyama

IPC: G09G3/00 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/167 ,  G02F1/1676 ,  G02F1/1685 ,  G03B21/62 ,  G09G5/38 ,  H04N5/57

CPC classification number: G09G3/001 ,  G02F1/13347 ,  G02F1/134336 ,  G02F1/137 ,  G02F1/167 ,  G02F1/1676 ,  G02F1/1685 ,  G03B21/62 ,  G09G5/38

Abstract: According to one embodiment, a display system includes a transparent screen that is capable of switching a light scattering degree, a projector, and a controller that controls interlocking driving of the projector and the screen. The controller drives the screen and controls a light scattering degree of at least part of an area, of the screen, in which the image is projected during a period in which the projector is driven and an image is projected on the screen.

公开(公告)号：US11892722B2

公开(公告)日：2024-02-06

申请号：US18180275

申请日：2023-03-08

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/13357

CPC classification number: G02F1/1334 ,  G02F1/1343 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133553 ,  G02F1/133615 ,  G02F1/133616 ,  G02F2201/121 ,  G02F2201/123

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate including a first end portion and a second end portion located at a position different from the first end portion, a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate, a light source device located above the first substrate and disposed along the first end portion, and a light-shielding member disposed on at least a part of the second end portion.

公开(公告)号：US11874982B2

公开(公告)日：2024-01-16

申请号：US17580930

申请日：2022-01-21

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Naoki Takada ,  Kentaro Okuyama

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G02F1/1334 ,  G02F1/13338 ,  G02F1/133616 ,  G02F1/136286 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/04166 ,  G09G3/3611 ,  G06F2203/04108 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2310/08 ,  G09G2340/12

Abstract: According to an aspect, a sensor-equipped display device includes: an array substrate; a counter substrate; a first sensor configured to detect a first detection-target object close to the counter substrate; and a second sensor configured to detect a second detection-target object close to the array substrate. A first background of the array substrate is viewed from outside the counter substrate, and a second background of the counter substrate is viewed from outside the array substrate.

公开(公告)号：US11809049B2

公开(公告)日：2023-11-07

申请号：US18106693

申请日：2023-02-07

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura ,  Kojiro Ikeda ,  Kentaro Okuyama

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

CPC classification number: G02F1/134309 ,  G02F1/1334 ,  G02F1/13396

Abstract: According to one embodiment, a display device includes a first substrate including a pixel electrode, a second substrate including a common electrode, a liquid crystal layer located between the first substrate and the second substrate and containing polymer and liquid crystal molecules, and a light emitting element opposed to an end surface of the second substrate, the common electrode being separated from the pixel electrode by a first distance, at a first position, the common electrode being separated from the pixel electrode by a second distance, at a second position more separated from the light emitting element than the first position, the second distance being smaller than the first distance.

公开(公告)号：US11703735B2

公开(公告)日：2023-07-18

申请号：US17450717

申请日：2021-10-13

Applicant: Japan Display Inc.

Inventor： Kentaro Okuyama

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136286

Abstract: According to one embodiment, a display device includes a light-emitting element, a first substrate including a first transparent substrate, a first pixel electrode, and a second pixel electrode, a second substrate including a second transparent substrate including a side surface opposing the light-emitting element and a common electrode overlapping the first pixel electrode and the second pixel electrode and a liquid crystal layer provided between the first substrate and the second substrate and containing a polymer and liquid crystal molecules, and the first pixel electrode is provided between the light-emitting element and the second pixel electrode, and an electrode area of the first pixel electrode is smaller than that of the second pixel electrode.