公开(公告)号：US20220091464A1

公开(公告)日：2022-03-24

申请号：US17477556

申请日：2021-09-17

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1337

Abstract: According to one embodiment, a display device includes a first substrate including a common electrode and a pixel electrode, a second substrate, a liquid crystal layer, a first alignment film and a second alignment film. The pixel electrode includes a plurality of branch portions extending in a first direction and a connection portion extending in a second direction, wherein the first alignment film and the second alignment film are photo-alignment films, and the first alignment film has an anchoring strength of 1*10−3J/m2 or less.

公开(公告)号：US20210109410A1

公开(公告)日：2021-04-15

申请号：US17130648

申请日：2020-12-22

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/1343

Abstract: A display device includes an electrode layer and a liquid crystal layer. The electrode layer has a first electrode and a second electrode. The second electrode is opposed to the first electrode and having a plurality of openings extending in a same extending direction. The liquid crystal layer is disposed on the electrode layer. The liquid crystal molecules of the liquid crystal layer in a region in proximity to one side of the opening and liquid crystal molecules of the liquid crystal layer in a region in proximity to another side of the opening, the sides of the opening being opposed to each other in a width direction of the opening, are rotated in opposite directions from each other and aligned.

公开(公告)号：US20210018778A1

公开(公告)日：2021-01-21

申请号：US16927317

申请日：2020-07-13

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/1347 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/137 ,  G02F1/139

Abstract: A viewing angle of emission light is widened. A width of the viewing angle is adjusted. A liquid crystal diffraction grating includes at least a first substrate, a liquid crystal layer and a second substrate. The first substrate includes a lower electrode and an upper electrode opposite to the lower electrode, and the upper electrode includes a plurality of branch electrodes that extend in a Y direction and are arranged in an X direction in a plan view. When no voltage is applied to the plurality of branch electrodes, an alignment direction of liquid crystal molecules of the liquid crystal layer is a direction along the X or Y direction. When polarizers are arranged on upper and lower sides of the liquid crystal diffraction grating, transmission axes of these polarizers are parallel to each other and parallel to the alignment direction of the liquid crystal molecules.

公开(公告)号：US20200278586A1

公开(公告)日：2020-09-03

申请号：US16783182

申请日：2020-02-06

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

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

Abstract: A liquid crystal display device including a liquid crystal display panel, a back light and a light control panel set between the liquid crystal panel and the back light comprising: the light control panel comprises a first substrate, a second substrate and a liquid crystal layer between the first substrate and the second substrate, wherein a plurality of first signal wirings 11, an insulating film, and a first electrode of plenary shape are formed in this order on the first substrate, the signal wiring 11 is made of a first transparent conductive film, the first electrode is made of a second transparent conductive film, the second electrode is made of a third transparent conductive film, a dummy wiring 50 made of a same material as the first transparent conductive film is formed on a layer that the signal wirings 11 are formed.

公开(公告)号：US20200271998A1

公开(公告)日：2020-08-27

申请号：US16870362

申请日：2020-05-08

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

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

Abstract: A liquid crystal display is provided and includes first substrate; data and gate lines on first substrate; thin film transistor connected to data and gate lines; common electrode arranged over data and gate lines; insulating layer on common electrode; pixel electrode on insulating layer including connection pixel electrode, wide projection pixel electrode connected to connection pixel electrode, and projection pixel electrodes connected to connection pixel electrode; second substrate facing first substrate; black matrix on second substrate including first and second black matrix; and liquid crystal layer sandwiches between first and second substrates, wherein first black matrix overlaps wide projection pixel electrode, and second black matrix overlaps connection pixel electrode, and length of the connection pixel electrode is longer than length of the wide projection pixel electrode and length of projection pixel electrodes.

公开(公告)号：US20190331968A1

公开(公告)日：2019-10-31

申请号：US16375352

申请日：2019-04-04

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Tatsuya YATA

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1337 ,  G09G3/36

Abstract: According to one embodiment, a liquid crystal display device includes scanning and video signal lines, pixel electrodes and first and second common electrodes. The pixel electrodes include first and second pixel electrodes with linear electrodes and connection portion. In the first pixel electrodes, the linear electrodes overlap the first common electrode, and the connection portion overlaps first slit between the first and second common electrodes. In the second pixel electrodes, the linear electrodes overlap the second common electrode, and the connection portion overlaps second slit between the second and first common electrodes. Different potentials are applied to the first and second common electrodes.

公开(公告)号：US20190146255A1

公开(公告)日：2019-05-16

申请号：US16244612

申请日：2019-01-10

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

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

Abstract: The present display device includes a liquid crystal panel having a liquid crystal layer between an array substrate and a facing substrate. The array substrate has an electrode layer having an upper electrode and a lower electrode facing each other in a Z direction, and an opening including a plurality of slits extending in an X direction is formed in the upper electrode and the lower electrode. The liquid crystal layer is provided on the electrode layer, liquid crystal molecules in vicinity regions on one side and the other side of the opening which face each other in a width direction of each slit are oriented as rotating in reverse to each other, and the facing substrate has a conductive layer.

公开(公告)号：US20180129103A1

公开(公告)日：2018-05-10

申请号：US15867260

申请日：2018-01-10

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA

IPC: G02F1/1337 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/133707 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133738 ,  G02F2001/134372 ,  G02F2201/124

Abstract: According to one embodiment, a display device includes a first substrate with a first alignment film, a second substrate with a second alignment film, and a liquid crystal layer interposed therebetween. The first substrate has first and second electrodes. An initial alignment direction of liquid crystal molecules of the liquid crystal layer is parallel to a first direction or a direction orthogonal to the first direction. The second electrode includes comblike electrodes extending parallel to the first direction and a connecting portion which connects the comblike electrodes. The connecting portion includes a projection which projects in a second direction more than an outermost comblike electrode.

公开(公告)号：US20180004050A1

公开(公告)日：2018-01-04

申请号：US15703306

申请日：2017-09-13

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Keiji TAKIZAWA ,  Toshinori UEHARA

IPC: G02F1/1343 ,  G02F1/1335

CPC classification number: G02F1/134363 ,  G02F1/133514 ,  G02F2001/134345

Abstract: According to an aspect, a liquid crystal display device includes: a first substrate; a second substrate; a liquid crystal layer between the first and second substrates; pixels each including sub-pixels corresponding to different color areas; a first electrode in each sub-pixel; and a second electrode facing the first electrode. The first electrode includes an electrode base portion extending in a first direction; and a plurality of comb tooth portions extending in a second direction from the electrode base portion. A slit pitch of a sub-pixel in one color area and a slit pitch of a sub-pixel in the other color area of at least two color areas out of different color areas are different in size, each slit pitch corresponding to a gap between the comb tooth portions adjacent to each other.

公开(公告)号：US20160026043A1

公开(公告)日：2016-01-28

申请号：US14803958

申请日：2015-07-20

Applicant: Japan Display Inc.

Inventor： Kengo OKAZAKI ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343

CPC classification number: G02F1/134309 ,  G02F1/134363 ,  G02F1/1362 ,  G02F2001/133776 ,  G02F2001/134372

Abstract: A liquid crystal display device includes two substrates sandwiching liquid crystals, and first and second electrodes formed in one of the two substrates. The first electrode is one of a pixel electrode and a common electrode. The second electrode is the other of the pixel electrode and the common electrode. The first electrode has, in each pixel, first and second portions extending in a first direction and spaced in a second direction orthogonal to the first direction. The first portion has two opposite edges inclined to the first direction so that the width of the first portion gradually decreases toward one side in the first direction. The second portion has two opposite edges inclined to the first direction so that the width of the second portion gradually increases toward the one side in the first direction.

Abstract translation: 液晶显示装置包括夹着液晶的两个基板和形成在两个基板之一中的第一和第二电极。 第一电极是像素电极和公共电极之一。 第二电极是像素电极和公共电极中的另一个。 第一电极在每个像素中具有在第一方向上延伸并且沿与第一方向正交的第二方向间隔的第一和第二部分。 第一部分具有相对于第一方向倾斜的两个相对边缘，使得第一部分的宽度朝向第一方向的一侧逐渐减小。 第二部分具有相对于第一方向倾斜的两个相对边缘，使得第二部分的宽度朝向第一方向的一侧逐渐增加。