公开(公告)号：US20180341135A1

公开(公告)日：2018-11-29

申请号：US15955733

申请日：2018-04-18

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu Matsushima

IPC: G02F1/1343 ,  G02F1/133 ,  G02F1/1335 ,  G09G3/36

Abstract: According to one embodiment, a first substrate includes a pixel electrode, a common electrode and a sub-pixel area including a first area and a second area. The first area includes an area where the pixel electrode exists, an axial area extending in a second direction, and branch areas extending from the axial area to a first side of the first direction. The second area includes an area where the pixel electrode does not exist, and a first gap area extending in the first direction, at a position between the adjacent branch areas. A maximum value of a first voltage applied to the pixel electrode in a first mode is higher than a maximum value of a second voltage applied to the pixel electrode in a second mode.

公开(公告)号：US20250130463A1

公开(公告)日：2025-04-24

申请号：US18918238

申请日：2024-10-17

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

Abstract: According to an aspect, a display device includes an array substrate, a counter substrate, and a liquid crystal layer including liquid crystal molecules. The array substrate includes signal lines arrayed in a first direction, scanning lines arrayed in a second direction, pixel electrodes disposed respectively in openings of pixels, semiconductors provided respectively to the pixels, and a common electrode overlapping the pixel electrodes with an insulating film interposed therebetween. An end of each pixel electrode overlaps the opening of a corresponding one of the pixels. A slit of the common electrode has a polygonal shape. In the opening of each pixel, a first part of the slit overlaps the pixel electrode, and a second part of the slit overlaps a region not provided with the pixel electrode.

公开(公告)号：US20240126115A1

公开(公告)日：2024-04-18

申请号：US18481338

申请日：2023-10-05

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA ,  Jin HIROSAWA ,  Yuji MAEDE

IPC: G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/133526 ,  G02F1/134336 ,  G02F1/13439

Abstract: According to one embodiment, an optical control element includes a plurality of lens forming regions along a first direction and a second direction orthogonal to the first direction, each of the lens forming regions includes an annularly shaped second electrode and a circularly shaped first electrode provided on an inner side of the second electrode, a plurality of first wiring lines connected to the first electrodes each include a first stem portion extending in a zigzag shape along the second direction and a plurality of first branch portions extending from the first stem, and each of the first branch portions overlap the plurality of first electrodes, respectively.

公开(公告)号：US20230393436A1

公开(公告)日：2023-12-07

申请号：US18329642

申请日：2023-06-06

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Shunichi KIMURA

IPC: G02F1/1343 ,  G02F1/1333

CPC classification number: G02F1/13439 ,  G02F1/133345 ,  G02F1/1323

Abstract: According to an aspect, a liquid crystal panel includes: a first substrate that is a light-transmitting substrate; a second substrate that is disposed facing the first substrate with a liquid crystal interposed between the first substrate and the second substrate and is a light-transmitting substrate; a wiring layer provided on the first substrate on a side facing the liquid crystal and comprising a plurality of wiring lines arrayed in a predetermined direction; an insulating layer stacked on the wiring layer on a side facing the liquid crystal; a first electrode layer stacked on the insulating layer on a side facing the liquid crystal; and a second electrode layer provided on the second substrate on a side facing the liquid crystal. A sheet resistance of the first electrode layer is higher than a sheet resistance of the wiring layer and a sheet resistance of the second electrode layer.

公开(公告)号：US20230408874A1

公开(公告)日：2023-12-21

申请号：US18461523

申请日：2023-09-06

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1335

CPC classification number: G02F1/134309 ,  G02F1/133512

Abstract: According to one embodiment, in a display device, a first pixel electrode and a second pixel electrode overlap with a first electrode which includes a first branch portion that is exposed from between the first pixel electrode and the second pixel electrode, a second electrode includes a first trunk portion, a second branch portion, and a second trunk portion, the second branch portion overlaps with the first pixel electrode, a light-shielding layer includes a first opening portion, a second opening portion, and a light-shielding portion located between the first and second opening portions, the first opening portion overlaps with the second branch portion, and the light-shielding portion overlaps with the first branch portion.

公开(公告)号：US20230307463A1

公开(公告)日：2023-09-28

申请号：US18186976

申请日：2023-03-21

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Shunichi KIMURA

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

CPC classification number: H01L27/124 ,  G02F1/136286 ,  G02F1/134309

Abstract: According to one embodiment, a display device includes scanning lines, signal lines, pixels, a pixel electrode, a common electrode including a stem portion and branch portions, and a third wiring line, wherein a region where each pixel electrode and the first scanning line overlap is larger than a region where the respective pixel electrode and the second scanning line overlap, a width of the first region of the third wiring lines is less than a width of the scanning lines, and the branch portions of the common electrode extend from the stem portion along the second direction.

公开(公告)号：US20230100929A1

公开(公告)日：2023-03-30

申请号：US17953437

申请日：2022-09-27

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1337 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1347

Abstract: According to one embodiment, a display device includes an illumination device, a display panel, a first polarizer attached to the display panel, a second polarizer attached to the display panel, and a transmissive diffraction grating provided in a location between the illumination device and the first polarizer or in a location facing the second polarizer. The diffraction grating includes a third substrate, a fourth substrate, and a second liquid crystal layer provided between the third substrate and the fourth substrate, containing a plurality of liquid crystal molecules, and cured in a state where alignment directions of the liquid crystal molecules are fixed.

公开(公告)号：US20220373844A1

公开(公告)日：2022-11-24

申请号：US17749142

申请日：2022-05-20

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1335

Abstract: According to one embodiment, in a display device, a first pixel electrode and a second pixel electrode overlap with a first electrode which includes a first branch portion that is exposed from between the first pixel electrode and the second pixel electrode, a second electrode includes a first trunk portion, a second branch portion, and a second trunk portion, the second branch portion overlaps with the first pixel electrode, a light-shielding layer includes a first opening portion, a second opening portion, and a light-shielding portion located between the first and second opening portions, the first opening portion overlaps with the second branch portion, and the light-shielding portion overlaps with the first branch portion.

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：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.