公开(公告)号：US20180284527A1

公开(公告)日：2018-10-04

申请号：US15935353

申请日：2018-03-26

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343

Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.

公开(公告)号：US20170090262A1

公开(公告)日：2017-03-30

申请号：US15277220

申请日：2016-09-27

Applicant: Japan Display Inc.

Inventor： Osamu ITOU ,  Daisuke SONODA ,  Masahiro KOSUGE

IPC: G02F1/1362 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/136286 ,  G02F1/133345 ,  G02F1/133502 ,  G02F1/1337 ,  G02F1/133707 ,  G02F1/134363 ,  G02F1/13439 ,  G02F2001/136222 ,  G02F2001/13629 ,  G02F2202/02

Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a scanning signal line, a video signal line, a first electrode, a color filter, a common line in contact with the first electrode along the video signal line, an antireflection layer located on the common line, a transparent layer located on the antireflection layer, and a second electrode, a liquid crystal layer located on the first substrate, and a second substrate located on the liquid crystal layer, the transparent layer having a thickness of 10 nm or more and 40 nm or less.

公开(公告)号：US20190088222A1

公开(公告)日：2019-03-21

申请号：US16191661

申请日：2018-11-15

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE ,  Yukio TANAKA

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1368 ,  G09G3/34

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.

公开(公告)号：US20190094627A1

公开(公告)日：2019-03-28

申请号：US16143796

申请日：2018-09-27

Applicant: Japan Display Inc.

Inventor： Hidehiro SONODA ,  Masahiro KOSUGE ,  Yasushi TOMOKA ,  Takenori HIROTA ,  Noboru KUNIMATSU

IPC: G02F1/1337 ,  C09K19/56 ,  C09K19/54 ,  G02F1/1343

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate disposed to oppose the first substrate, a layer of liquid crystal located between the first substrate and the second substrate, and an alignment film disposed on the first substrate so as to be in contact with the layer of the liquid crystal. The liquid crystal has a refractive-index anisotropy Δn of 0.11 or more, the layer of the liquid crystal has a thickness d of 2.5 μm or less, and a product Δnd of the refractive-index anisotropy Δn and the thickness d is 0.20 or more but 0.31 or less. The transmissivity of light having a wavelength of 450 nm in the first substrate and the alignment film is 85% or more but 97% or less.

公开(公告)号：US20160299395A1

公开(公告)日：2016-10-13

申请号：US15086740

申请日：2016-03-31

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE ,  Kenji Nakao ,  Osamu Itou

IPC: G02F1/1362 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/136209 ,  G02F1/136286 ,  G02F2001/136222

Abstract: A display device includes a first light shielding part provided between a filter film and a first electrode, and a second light shielding part provided on a second substrate. First and second filter films each have long sides that extend in a first direction in which a video signal line extends, and the first and the second filter films are arranged adjacent to each other in a second direction different from the first direction. The first light shielding part overlaps the video signal line in a plan view. The second light shielding part overlaps a metal electrode in the plan view.

Abstract translation: 显示装置包括设置在过滤膜和第一电极之间的第一遮光部和设置在第二基板上的第二遮光部。 第一和第二滤光片各自具有在视频信号线延伸的第一方向上延伸的长边，并且第一和第二滤光膜在与第一方向不同的第二方向上彼此相邻布置。 第一遮光部在平面图中与视频信号线重叠。 在俯视图中，第二遮光部与金属电极重叠。

公开(公告)号：US20160291377A1

公开(公告)日：2016-10-06

申请号：US15072579

申请日：2016-03-17

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE ,  Toshimasa ISHIGAKI ,  Osamu ITOU

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

CPC classification number: G02F1/13439 ,  G02F1/13394 ,  G02F1/136209 ,  G02F2001/134372 ,  G02F2001/136222 ,  H01L27/124

Abstract: According to an aspect, a liquid crystal display device includes, in sequence, a thin-film transistor substrate comprising a thin-film transistor, a liquid crystal layer, and a counter substrate. The thin-film transistor substrate includes: a first translucent electrode; a color filter; metal wiring that is provided above the color filter and electrically coupled with the first translucent electrode; a light-absorbing layer provided on the metal wiring; and an optical interference layer provided on the light-absorbing layer. The optical interference layer includes the first translucent electrode.

Abstract translation: 根据一方面，液晶显示装置依次包括薄膜晶体管，薄膜晶体管，液晶层和对向基板。 薄膜晶体管基板包括：第一透光性电极; 彩色滤光片; 金属布线，其设置在滤色器的上方并与第一透光性电极电耦合; 设置在金属布线上的光吸收层; 以及设置在光吸收层上的光学干涉层。 光学干涉层包括第一透光性电极。

公开(公告)号：US20180284545A1

公开(公告)日：2018-10-04

申请号：US15938056

申请日：2018-03-28

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE

IPC: G02F1/1337

Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.

公开(公告)号：US20170358264A1

公开(公告)日：2017-12-14

申请号：US15620963

申请日：2017-06-13

Applicant: Japan Display Inc.

Inventor： Masahiro KOSUGE ,  Yukio TANAKA

IPC: G09G3/36 ,  G02F1/1337 ,  G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  G09G3/34

CPC classification number: G09G3/3618 ,  G02F1/133345 ,  G02F1/133711 ,  G02F1/13378 ,  G02F1/133784 ,  G02F1/134363 ,  G02F1/136277 ,  G02F1/1368 ,  G02F2001/133773 ,  G02F2001/133796 ,  G02F2001/134372 ,  G02F2201/121 ,  G02F2201/123 ,  G09G3/3406 ,  G09G3/3614 ,  G09G3/3648 ,  G09G3/3677 ,  G09G3/3688 ,  G09G2320/0247 ,  G09G2330/021 ,  G09G2340/0435

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.

公开(公告)号：US20160116797A1

公开(公告)日：2016-04-28

申请号：US14923915

申请日：2015-10-27

Applicant: Japan Display Inc.

Inventor： Osamu ITOU ,  Kenji NAKAO ,  Toshimasa ISHIGAKI ,  Masahiro KOSUGE

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

CPC classification number: G02F1/136227 ,  G02F1/134363 ,  G02F2001/134372 ,  G02F2001/136222

Abstract: Disclosed is a liquid crystal display device including an active element substrate having an active element; a first layer provided on the active element and having a first hole formed therein, the first layer being one of a first insulating layer and a color filter; a second layer provided on the first layer and having a second hole formed therein, the second layer being the other of the first insulating layer and the color filter; a common electrode provided on the second layer; a second insulating layer having a plate-like portion provided on the common electrode and a first contact portion protruded downward; and a pixel electrode having a second contact portion protruded downward. The first contact portion is provided inside the second hole, and the second contact portion is provided inside the first hole and inside the second hole and electrically connected to the active element.

Abstract translation: 本发明公开了一种液晶显示装置，包括具有有源元件的有源元件基板; 设置在有源元件上并具有形成在其中的第一孔的第一层，第一层是第一绝缘层和滤色器之一; 第二层，设置在第一层上并具有形成在其中的第二孔，第二层是第一绝缘层和滤色器中的另一个; 设置在第二层上的公共电极; 第二绝缘层，其具有设置在公共电极上的板状部分和向下突出的第一接触部分; 以及具有向下突出的第二接触部的像素电极。 第一接触部设置在第二孔的内部，第二接触部设置在第一孔的内部并且在第二孔的内部，并且与有源元件电连接。