公开(公告)号：US20230204996A1

公开(公告)日：2023-06-29

申请号：US18116936

申请日：2023-03-03

Applicant: Japan Display Inc.

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

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

CPC classification number: G02F1/133345 ,  G02F1/136286 ,  G02F1/134309 ,  G02F1/13394 ,  G02F1/133388 ,  G02F1/1334 ,  G02F1/1337 ,  G02F2201/50

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：US20210286226A1

公开(公告)日：2021-09-16

申请号：US17331732

申请日：2021-05-27

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：US20210286220A1

公开(公告)日：2021-09-16

申请号：US17336786

申请日：2021-06-02

Applicant: Japan Display Inc.

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

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/13357 ,  G09G3/34 ,  G09G3/36

Abstract: A display device 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 overlapping the first light-transmitting electrodes and 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 source 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 that at least partially overlaps the first light-transmitting electrode in the plan view with an insulating layer interposed therebetween. An area of the third light-transmitting electrode in the pixel in a display region closer to the light source is larger than an area of the third light-transmitting electrode in the pixel in a display region farther from the light source.

公开(公告)号：US20200341332A1

公开(公告)日：2020-10-29

申请号：US16923707

申请日：2020-07-08

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Kentaro OKUYAMA ,  Manabu MIZUNO

IPC: G02F1/1335 ,  G02F1/1334 ,  G02F1/1362

Abstract: According to an aspect, a display device includes: a first light-transmitting substrate; a second light-transmitting substrate disposed so as to face the first light-transmitting substrate; a liquid crystal layer comprising polymer dispersed liquid crystals between the first light-transmitting substrate and the second light-transmitting substrate; and a multilayered film on an outer surface or surfaces of at least one of the first light-transmitting substrate and the second light-transmitting substrate, the multilayered film being configured to reflect light from the first light-transmitting substrate or the second light-transmitting substrate, and absorb light from outside the first light-transmitting substrate or the second light-transmitting substrate.

公开(公告)号：US20170003533A1

公开(公告)日：2017-01-05

申请号：US15269201

申请日：2016-09-19

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Hiroshi INAMURA

IPC: G02F1/133 ,  H01L27/12 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/13306 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133723 ,  G02F1/133784 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2001/133531 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2203/04 ,  G09G3/3614 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2310/0291 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1248

Abstract: A liquid crystal display device including a first substrate, a second substrate disposed so as to face the first substrate and a liquid crystal layer disposed between the first and the second substrates, the first substrate including: a display area portion in which a plurality of pixels are arranged in a manner of a matrix; and a frame edge area lying outside the display area portion, the frame edge area including a peripheral circuit configured to drive the plurality of pixels of the display area portion, the peripheral circuit having at least one transistor, wherein a channel area of the transistor is covered with a conductive layer via an inorganic insulating layer, the inorganic insulating layer and the conductive layer being stacked in a direction orthogonal to a surface of the first substrate in the stated order, and a predetermined negative potential is applied to the conductive layer.

Abstract translation: 一种液晶显示装置，包括第一基板，与第一基板相对设置的第二基板和设置在第一和第二基板之间的液晶层，第一基板包括：显示区域部分，其中多个像素 以矩阵的方式排列; 以及位于所述显示区域部分之外的边缘区域，所述框架边缘区域包括配置成驱动所述显示区域部分的所述多个像素的外围电路，所述外围电路具有至少一个晶体管，其中所述晶体管的沟道面积为 通过无机绝缘层覆盖有导电层，无机绝缘层和导电层按照所述顺序在与第一基板的表面正交的方向上堆叠，并且将预定的负电位施加到导电层。

公开(公告)号：US20140267993A1

公开(公告)日：2014-09-18

申请号：US14198250

申请日：2014-03-05

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Takeo KOITO ,  Hayato KURASAWA

IPC: G02F1/1337

CPC classification number: G02F1/1337 ,  G02F1/133526 ,  G02F1/134309 ,  G02F2001/133773

Abstract: According to an aspect, a liquid crystal device includes: a first substrate that is a transparent substrate; a second substrate that is a transparent substrate facing the first substrate; a liquid crystal layer that contains liquid crystal molecules and is provided between the first substrate and the second substrate; a first orientation film that orients the liquid crystal molecules and is provided above a surface on the liquid crystal layer side of the first substrate; and a second orientation film that orients the liquid crystal molecules and is provided above a surface on the liquid crystal layer side of the second substrate. A difference in an amount of angle exists between a pre-tilt angle given by the first orientation film to liquid crystal molecules near the first orientation film and a pre-tilt angle given by the second orientation film to liquid crystal molecules near the second orientation film.

Abstract translation: 一方面，液晶装置包括：作为透明基板的第一基板; 第二基板，其是面向所述第一基板的透明基板; 包含液晶分子并设置在第一基板和第二基板之间的液晶层; 第一取向膜，其定向液晶分子并设置在第一基板的液晶层侧的表面上方; 以及定向液晶分子并设置在第二基板的液晶层侧的表面上方的第二取向膜。 在由第一取向膜给予的第一取向膜附近的液晶分子的预倾角与第二取向膜附近的液晶分子的预倾角与第二取向膜附近的液晶分子的倾斜角之间存在角度差 。

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.

公开(公告)号：US20220404657A1

公开(公告)日：2022-12-22

申请号：US17839830

申请日：2022-06-14

Applicant: Japan Display Inc.

Inventor： Takuya NISHIMOTO ,  Hiroki SUGIYAMA

IPC: G02F1/1333

Abstract: A display device includes a front plate, a display panel disposed on a back surface side of the front plate, a backlight disposed on a back surface side of the display panel, a housing that accommodates the backlight, a support member disposed on the back surface side of the front plate and outside the housing, the support member supporting the front plate, and a clamping member clamping an outer edge of the front plate and an outer edge of the support member.

公开(公告)号：US20200257168A1

公开(公告)日：2020-08-13

申请号：US16863059

申请日：2020-04-30

Applicant: Japan Display Inc.

Inventor： Hiroki SUGIYAMA ,  Kentaro OKUYAMA ,  Hideki KANEKO ,  Hiroshi INAMURA ,  Manabu MIZUNO

IPC: G02F1/13357 ,  F21V8/00 ,  G02B6/00 ,  G02F1/1345 ,  G02F1/1334

Abstract: A display device according to one aspect of the present invention includes a first substrate including a pixel portion and a terminal portion, a second substrate arranged to face the pixel portion, a first light source device arranged in the terminal portion, and irradiating a first end surface of the second substrate with first light, a liquid crystal layer arranged between the first substrate and the second substrate, and a semiconductor element arranged on a side opposite to a side of the pixel portion across the first light source device, and electrically coupled with the terminal portion, wherein the first light is propagated while reflected between the first substrate and the second substrate, and the liquid crystal layer modulates the propagated first light.

公开(公告)号：US20200166796A1

公开(公告)日：2020-05-28

申请号：US16689219

申请日：2019-11-20

Applicant: Japan Display Inc.

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

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

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.