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：US20240142827A1

公开(公告)日：2024-05-02

申请号：US18492859

申请日：2023-10-24

Applicant: Japan Display Inc.

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

IPC: G02F1/1343

CPC classification number: G02F1/134309

Abstract: According to one embodiment, an optical control element comprises a first substrate, a second substrate, a liquid crystal layer arranged between the first substrate and the second substrate, the first substrate include a first electrode, a second electrode provided on the first electrode, and a high-resistance layer provided on the first electrode and the second electrode, wherein the second substrate comprises a third electrode, a plurality of circular apertures are provided in each of the second electrodes, and lines connecting centers of the plurality of apertures constitute a triangle.

公开(公告)号：US20220413338A1

公开(公告)日：2022-12-29

申请号：US17847432

申请日：2022-06-23

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Shunichi KIMURA

IPC: G02F1/1335 ,  G02F1/1337

Abstract: According to one embodiment, an electronic device includes a first polarizer having a first transmission axis, a first viewing angle control panel including a first liquid crystal layer containing hybrid-aligned liquid crystal molecules, a second polarizer, a second viewing angle control panel including a second liquid crystal layer containing hybrid-aligned liquid crystal molecules and a third polarizer. In plan view, an initial alignment direction of horizontally aligned liquid crystal molecules of the first liquid crystal layer and an initial alignment direction of horizontally aligned liquid crystal molecules of the second liquid crystal layer are parallel to each other and parallel or orthogonal to the first transmission axis.

公开(公告)号：US20220221763A1

公开(公告)日：2022-07-14

申请号：US17708166

申请日：2022-03-30

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA ,  Shinichi KOMURA

IPC: G02F1/1343 ,  G02F1/1335

Abstract: The purpose of the present invention is to realize a high contrast display with liquid crystal display device using a liquid crystal light valve. A representative structure is as follows. A liquid crystal display device includes a liquid crystal display panel, a backlight, and a liquid crystal light valve; the light valve includes a plurality of first electrodes extending in a first direction and formed on the first substrate; a first insulating film is formed on the first electrode; a plurality of second electrodes are formed in a matrix at predetermined intervals on the first insulating film; a second insulating film is formed on the second electrodes; a plurality of third electrodes extending in a second direction are formed on the second insulating film; the liquid crystal is sandwiched between the third electrodes and the second substrate; the predetermined interval between the second electrodes is 2 to 10 μm.

公开(公告)号：US20250147356A1

公开(公告)日：2025-05-08

申请号：US19002964

申请日：2024-12-27

Applicant: Japan Display Inc.

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

IPC: G02F1/1335 ,  G02F1/1343

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：US20240145488A1

公开(公告)日：2024-05-02

申请号：US18491833

申请日：2023-10-23

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Mitsutaka OKITA ,  Toshiharu MATSUSHIMA

IPC: H01L27/12

CPC classification number: H01L27/124

Abstract: A display device includes an array substrate, and a counter substrate facing the array substrate. The array substrate includes a plurality of signal lines arrayed in a first direction in a manner spaced apart from each other, a plurality of scanning lines arrayed in a second direction in a manner spaced apart from each other, a plurality of pixel electrodes provided to respective openings of pixels each surrounded by two adjacent signal lines and two adjacent scanning lines, a plurality of semiconductors provided to the respective pixels, and a common electrode overlapping the pixel electrodes with an insulating film interposed between the common electrode and the pixel electrodes.

公开(公告)号：US20230418118A1

公开(公告)日：2023-12-28

申请号：US18463344

申请日：2023-09-08

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/137

CPC classification number: G02F1/134363 ,  G02F1/133528 ,  G02F1/133707 ,  G02F1/13706

Abstract: According to one embodiment, a display device includes a first liquid crystal panel, a second liquid crystal panel. Each of the first liquid crystal panel and the second liquid crystal panel includes a first substrate including a common electrode and a pixel electrode, a second substrate, and a liquid crystal layer. The pixel electrode includes a plurality of branch portions extending in a first direction, and a trunk extending in a second direction and connected to the plurality of branch portions. The pixel electrode of the first liquid crystal panel and the pixel electrode of the second liquid crystal panel have a same shape and overlap each other.

公开(公告)号：US20230408873A1

公开(公告)日：2023-12-21

申请号：US18448968

申请日：2023-08-14

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/137 ,  G02F1/01

CPC classification number: G02F1/134309 ,  G02F1/13439 ,  G02F1/133345 ,  G02F1/137 ,  G02F1/0136 ,  G02F2202/22

Abstract: According to one embodiment, a polarization conversion element includes a first wiring and a second wiring, a planar electrode, a control electrode including first strip electrodes, and a first alignment film, a second substrate including a second alignment film, and a liquid crystal layer. An alignment treatment direction of the first alignment film and an alignment treatment direction of the second alignment film are parallel to each other and cross an extension direction of the first strip electrodes. The control electrode overlaps the planar electrode in plan view. An applied voltage of the first wiring is configured to be higher than an applied voltage of the second wiring. The planar electrode is configured to have a voltage gradient.

公开(公告)号：US20230393438A1

公开(公告)日：2023-12-07

申请号：US18328798

申请日：2023-06-05

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/1345 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/13

CPC classification number: G02F1/13454 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/133345 ,  G02F1/1323 ,  G02F2203/62 ,  G02F2202/022

Abstract: According to an aspect, a liquid crystal panel includes: a light-transmitting first substrate; a light-transmitting second substrate disposed facing the first substrate with a liquid crystal interposed between the first substrate and the second substrate; a conductive layer provided on the first substrate on a side facing the liquid crystal and comprising wiring lines or electrodes; an insulating layer stacked on the conductive layer on a side facing the liquid crystal; a first electrode layer stacked on the insulating layer on a side facing the liquid crystal; a second electrode layer provided on the second substrate on a side facing the liquid crystal; and a switch capable of opening and closing a coupling path between the first electrode layer and a reset potential. A sheet resistance of the first electrode layer is higher than a sheet resistance of the conductive layer and a sheet resistance of the second electrode layer.

公开(公告)号：US20230384628A1

公开(公告)日：2023-11-30

申请号：US18323475

申请日：2023-05-25

Applicant: Japan Display Inc.

Inventor： Toshiharu MATSUSHIMA ,  Shunichi KIMURA

IPC: G02F1/13 ,  G02F1/1335 ,  G02F1/1343

CPC classification number: G02F1/1323 ,  G02F1/133531 ,  G02F1/134309

Abstract: According to an aspect, an optical element includes: a first polarizing plate having a first absorption axis; a second polarizing plate facing the first polarizing plate and having a second absorption axis; and a first viewing angle control panel placed between the first polarizing plate and the second polarizing plate. The first viewing angle control panel includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and a plurality of electrodes provided on at least one of the first substrate and the second substrate to generate a transverse electric field in a predetermined direction. The liquid crystal layer includes liquid crystal molecules with a positive dielectric anisotropy. The liquid crystal molecules have hybrid orientation in a state in which the transverse electric field is not generated.