公开(公告)号：US11768416B2

公开(公告)日：2023-09-26

申请号：US18073594

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima ,  Jin Hirosawa

IPC: G02F1/1335 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/134345 ,  G02F1/136227 ,  H01L27/124 ,  G02F1/1368 ,  G02F1/133514 ,  G02F2202/16 ,  G02F2203/01

Abstract: According to one embodiment, a display device includes an insulating substrate having a main surface, a switching element, a first pixel electrode electrically connected to the switching element, a second pixel electrode adjacent to the first pixel electrode, a wiring line provided between the first pixel electrode and the second pixel electrode, a convex portion provided between the wiring line and a liquid crystal layer, overlapping the wiring line and extending along the wiring line, and a black film formed into a belt-like shape overlapping the convex portion and having an inclined surface which inclines with respect to the main surface.

公开(公告)号：US11719967B2

公开(公告)日：2023-08-08

申请号：US17991848

申请日：2022-11-22

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

IPC: G02F1/13 ,  G02F1/133 ,  G02F1/1335 ,  B60K35/00

CPC classification number: G02F1/1323 ,  G02F1/13318 ,  G02F1/133528 ,  B60K35/00 ,  B60K2370/52 ,  B60K2370/744

Abstract: According to one embodiment, a display system includes an external light sensor, a display panel, a viewing angle control panel including a liquid crystal layer containing liquid crystal molecules twist-aligned, configured such that a drive voltage applied to the liquid crystal layer is controlled based on an external light intensity detected by the external light sensor, and a polarization axis rotation element disposed between the viewing angle control panel and the display panel. The drive voltage when the external light intensity is less than a threshold value is greater than the drive voltage when the external light intensity is greater or equal to than the threshold value.

公开(公告)号：US11686975B2

公开(公告)日：2023-06-27

申请号：US17536185

申请日：2021-11-29

Applicant: Japan Display Inc.

Inventor： Shigesumi Araki ,  Toshiharu Matsushima ,  Shinichi Komura

IPC: G02F1/13363 ,  G02F1/1335 ,  G02F1/1339 ,  G02F1/1343

CPC classification number: G02F1/13363 ,  G02F1/1339 ,  G02F1/133528 ,  G02F1/134309 ,  G02F1/133531 ,  G02F1/133638 ,  G02F2413/02 ,  G02F2413/05

Abstract: Provided is a display device including an array substrate, a pixel, a dimming element, and a counter substrate. The pixel is located over the array substrate and includes a first electrode, a second electrode, and a liquid crystal layer over the first electrode and the second electrode. The dimming element is located over the array substrate and includes a third electrode, the liquid crystal layer over the third electrode, and a fourth electrode over the liquid crystal layer. The counter substrate is located over the fourth electrode.

公开(公告)号：US11287699B2

公开(公告)日：2022-03-29

申请号：US16870362

申请日：2020-05-08

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

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

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：US11215882B2

公开(公告)日：2022-01-04

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：US10948792B2

公开(公告)日：2021-03-16

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：US10908464B2

公开(公告)日：2021-02-02

申请号：US16375352

申请日：2019-04-04

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima ,  Tatsuya Yata

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1335 ,  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：US10901266B2

公开(公告)日：2021-01-26

申请号：US16910592

申请日：2020-06-24

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

IPC: G02F1/1337 ,  G02F1/1343

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：US10802320B2

公开(公告)日：2020-10-13

申请号：US16244612

申请日：2019-01-10

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

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

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：US10649287B2

公开(公告)日：2020-05-12

申请号：US16247129

申请日：2019-01-14

Applicant: Japan Display Inc.

Inventor： Toshiharu Matsushima

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

Abstract: In this display device, an electrode layer for an upper electrode and a lower electrode is formed on an array substrate via a dielectric film, one of the upper electrode and the lower electrode is a pixel electrode, the other thereof is a common electrode, and an opening portion for generating horizontal electric field in a liquid crystal layer is formed in accordance with a shape of the electrode layer in a plan view. A CF substrate has a light-shielding film (BM) including a lateral BM portion. The opening portion has a plurality of slits in an X direction, and an end portion of an outermost slit in a Y direction is concealed by the lateral BM portion overlapped in a Z direction.