公开(公告)号：US20250149800A1

公开(公告)日：2025-05-08

申请号：US19002759

申请日：2024-12-27

Applicant: Japan Display Inc.

Inventor： Daiichi SUZUKI ,  Shinichiro OKA ,  Mitsutaka OKITA

IPC: H01Q15/14 ,  G02F1/1343

Abstract: A reflecting device includes a plurality of first patch electrodes, a plurality of second patch electrodes having a size different from a size of the first patch electrodes, a ground electrode opposing the plurality of first patch electrodes and the plurality of second patch electrodes and separated from the plurality of first patch electrodes and the plurality of second patch electrodes, and a liquid crystal layer between the plurality of first patch electrodes and the plurality of second patch electrodes and the ground electrode, wherein the plurality of first patch electrodes and the plurality of second patch electrodes are arranged alternately in a first direction or a second direction intersecting the first direction, and each first patch electrode is adjacent to each second patch electrode in the first direction or the second direction.

公开(公告)号：US20250149786A1

公开(公告)日：2025-05-08

申请号：US19003062

申请日：2024-12-27

Applicant: Japan Display Inc.

Inventor： Mitsutaka OKITA ,  Shinichiro OKA ,  Daiichi SUZUKI ,  Hiromi MATSUNO ,  Takuya OHTO ,  Yoshiaki AMANO

IPC: H01Q3/46

Abstract: A driving method of an intelligent reflecting surface having a plurality of reflecting elements arranged in a matrix, the method includes dividing the plurality of reflecting elements arranged in the matrix into a first region that controls an amount of phase change for each row of the plurality of reflecting elements arrayed in a row direction and a second region that controls an amount of phase change for every two adjacent rows of a plurality of reflecting elements arrayed in the row direction, and driving each of the plurality of reflecting elements belonging to the first region

公开(公告)号：US20250013102A1

公开(公告)日：2025-01-09

申请号：US18760488

申请日：2024-07-01

Applicant: Japan Display Inc.

Inventor： Ayaka HIGUCHI ,  Shinichiro OKA ,  Koichi IGETA ,  Junji KOBASHI

IPC: G02F1/1337 ,  G02F1/13363

Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate having a first main surface, an alignment control layer having a plurality of convex bodies, and a liquid crystal layer having a cholesteric liquid crystal. The alignment control layer has a first alignment area in which the convex bodies are arranged at a first pitch, and a second alignment area in which the convex bodies are arranged at a second pitch. The second pitch is less than the first pitch. The liquid crystal layer has a first liquid crystal area which overlaps the first alignment area, and a second liquid crystal area which overlaps the second alignment area.

公开(公告)号：US20240047890A1

公开(公告)日：2024-02-08

申请号：US18477602

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Mitsutaka OKITA ,  Daiichi SUZUKI ,  Shigesumi ARAKI ,  Yoshiaki AMANO ,  Hiromi MATSUNO

IPC: H01Q15/14 ,  H01Q21/06 ,  H01Q3/36

CPC classification number: H01Q15/148 ,  H01Q21/065 ,  H01Q3/36

Abstract: According to one embodiment, an intelligent reflecting surface includes a plurality of patch areas including a plurality of square patch electrodes, an electrode shape formed by the patch electrode, a first connection electrode, a second connection electrode, a third connection electrode, and a fourth connection electrode included in each of the plurality of patch areas has rotational symmetry having a point inside each of the plurality of patch areas as a center of rotation, and a first patch area, a second patch, a third patch area, and a fourth patch area have an intersection of the first patch area, the second patch area, the third patch area, and the fourth patch area as a whole as a center of rotation.

公开(公告)号：US20240045273A1

公开(公告)日：2024-02-08

申请号：US18363134

申请日：2023-08-01

Applicant: Japan Display Inc.

Inventor： Yasushi TOMIOKA ,  Shinichiro OKA ,  Koichi IGETA ,  Junji KOBASHI ,  Ayaka HIGUCHI

IPC: G02F1/1337 ,  G02F1/1347 ,  H01L31/054

CPC classification number: G02F1/133788 ,  G02F1/133726 ,  G02F1/13478 ,  H01L31/054

Abstract: According to one embodiment, a liquid crystal optical element includes a substrate, a first alignment control layer disposed on the substrate and comprising projections arranged at a predetermined pitch, and a first liquid crystal layer disposed on the first alignment control layer. The first liquid crystal layer comprises liquid crystal molecules which are aligned such that major axes of the liquid crystal molecules extend along the projections, respectively, and cured in a state where alignment directions of the liquid crystal molecules are fixed. The first alignment control layer is formed of a crosslinkable liquid crystal polymer.

公开(公告)号：US20240036430A1

公开(公告)日：2024-02-01

申请号：US18362091

申请日：2023-07-31

Applicant: Japan Display Inc.

Inventor： Hiroumi KINJO ,  Koichi IGETA ,  Shinichiro OKA

IPC: G02F1/137 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/13718 ,  G02F1/133761 ,  G02F1/133788 ,  G02F1/133757 ,  G02F1/133365 ,  G02F1/133536

Abstract: According to one embodiment, a method of manufacturing a liquid crystal element, includes forming an alignment layer on a support, forming a cholesteric liquid crystal layer containing a plasticizer and having elasticity on the alignment layer, adhering a flexible substrate to the cholesteric liquid crystal layer via a first adhesive layer, peeling the cholesteric liquid crystal layer adhered to the flexible substrate, off from the support and the alignment layer, adhering the cholesteric liquid crystal layer to a rigid substrate via a second adhesive layer and removing the flexible substrate and the first adhesive layer.

公开(公告)号：US20220128847A1

公开(公告)日：2022-04-28

申请号：US17570553

申请日：2022-01-07

Applicant: Japan Display Inc.

Inventor： Masumi NISHIMURA ,  Shinichiro OKA

IPC: G02F1/1339 ,  H01L51/52 ,  G02F1/1333

Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.

公开(公告)号：US20220065722A1

公开(公告)日：2022-03-03

申请号：US17462519

申请日：2021-08-31

Applicant: Japan Display Inc.

Inventor： Takumi SANO ,  Shinichiro OKA

IPC: G01L9/08 ,  H01L41/047 ,  H01L41/113 ,  H01L41/193

Abstract: According to one embodiment, a pressure sensor includes an insulating base material, an switching element disposed on the insulating base material, a piezoelectric layer disposed on the insulating base material and the switching element and an underlying layer located between the piezoelectric layer and the insulating base material, and the modulus of elasticity of the underlying layer is greater than the modulus of elasticity of the piezoelectric layer.

公开(公告)号：US20210080770A1

公开(公告)日：2021-03-18

申请号：US17007312

申请日：2020-08-31

Applicant: Japan Display Inc.

Inventor： Lu JIN ,  Shinichiro OKA ,  Yosuke HYODO

IPC: G02F1/1339 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1337

Abstract: The purpose of the present invention is to suppress a displacement between the TFT substrate and the counter substrate in lateral direction in the liquid crystal display device. An example of the concrete structure is: a liquid crystal display device comprising: a TFT substrate, in which pixel electrodes are formed, a counter electrode, in which a black matrix is formed, the TFT substrate and the counter substrate being adhered by a sealing material, a liquid crystal being sealed inside from the sealing material, wherein a spacer is formed on either one of the TFT substrate or the counter substrate, a polymer pole is formed around the spacer and in contact with the spacer, a space between the TFT substrate and the counter substrate is maintained by the spacer.

公开(公告)号：US20190004360A1

公开(公告)日：2019-01-03

申请号：US15981268

申请日：2018-05-16

Applicant: Japan Display Inc.

Inventor： Yoshiro AOKI ,  Toshiya YAMAZAKI ,  Kazunori YAMAGUCHI ,  Toshihiro YANAGI ,  Yoshitoshi KIDA ,  Kazuhiro NISHIYAMA ,  Shinichiro OKA ,  Hiroyuki KIMURA ,  Takashi NAKAMURA

IPC: G02F1/1333 ,  G02F1/1345 ,  G02F1/1362 ,  H01L51/00 ,  H01L27/32

Abstract: According to one embodiment, a display device includes a first basement, a first folding line and a second folding line. The first basement has a first area which is a display area including a display element, and a second area and a third area which are non-display areas and are adjacent to the first area. The first folding line is located at a border of the first area and the second area. The second folding line is located at a border of the first area and the third area. The first folding line extends in a first direction, and the second folding line extends in a second direction intersecting the first direction.