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：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.

公开(公告)号：US20230122427A1

公开(公告)日：2023-04-20

申请号：US18084552

申请日：2022-12-20

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

IPC: G02F1/01 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/137

Abstract: According to one embodiment, a polarization conversion element includes a first substrate including a first plane electrode and a first control electrode, a second substrate, and a liquid crystal layer. The first control electrode comprises a first strip electrode, a second strip electrode, a third strip electrode, and a first common electrode. The first strip electrode and the first common electrode are orthogonal to each other, respective extension directions of the first to third strip electrodes are different from each other, and an angle formed by the first strip electrode and the third strip electrode is greater than an angle formed by the first strip electrode and the second strip electrode.

公开(公告)号：US20220390802A1

公开(公告)日：2022-12-08

申请号：US17751687

申请日：2022-05-24

Applicant: Japan Display Inc.

Inventor： Shunichi KIMURA ,  Toshiharu MATSUSHIMA

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

Abstract: According to one embodiment, a display device comprises first and second substrates. The first substrate comprise first and second common electrodes, and a first pixel electrode including a pair of first sides arranged in a first direction. The second common electrode includes first and second trunk portions, and a first branch portion extending from the second trunk portion toward the first trunk portion. The first pixel electrode is located between the trunk portions. The first branch portion overlaps with the first pixel electrode between the first sides. A width of the first pixel electrode between the first sides becomes smaller toward the second trunk portion.