公开(公告)号：US20250052937A1

公开(公告)日：2025-02-13

申请号：US18795401

申请日：2024-08-06

Applicant: Japan Display Inc. ,  OSAKA UNIVERSITY

Inventor： Koichi IGETA ,  Junji KOBASHI ,  Yasushi TOMIOKA ,  Shinichiro OKA ,  Hiroyuki YOSHIDA

IPC: G02B5/30 ,  C09K19/30 ,  C09K19/36 ,  C09K19/50

Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate, and a liquid crystal layer which faces the transparent substrate and has a cholesteric liquid crystal and an additive exhibiting liquid crystallinity. Refractive anisotropy of the additive is less than refractive anisotropy of the liquid crystal layer.

公开(公告)号：US20240106132A1

公开(公告)日：2024-03-28

申请号：US18530249

申请日：2023-12-06

Applicant: Japan Display Inc.

Inventor： Mitsutaka OKITA ,  Shinichiro OKA

IPC: H01Q15/14 ,  H01Q21/24

CPC classification number: H01Q15/148 ,  H01Q21/245

Abstract: According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, a sealing material, a liquid crystal layer, and a first transfer. The first substrate includes a plurality of patch electrodes, and a first power supply pad. The second substrate includes a common electrode, and a first power receiving pad electrically connected to the common electrode. The first transfer is in contact with the first power supply pad and the first power receiving pad. An uppermost layer of the first power supply pad, which is in contact with the first transfer, is formed of a transparent conductive material. The first power receiving pad is formed of a transparent conductive material. The common electrode is formed of metal.

公开(公告)号：US20240085746A1

公开(公告)日：2024-03-14

申请号：US18509747

申请日：2023-11-15

Applicant: Japan Display Inc.

Inventor： Shigesumi ARAKI ,  Mitsutaka OKITA ,  Daiichi SUZUKI ,  Shinichiro OKA

IPC: G02F1/1343 ,  G02F1/1368

CPC classification number: G02F1/134381 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2203/02

Abstract: An intelligent reflecting surface includes a substrate having a first surface including a first side and a reflective region including a plurality of reflective elements arranged on the first surface, a plurality of reflective elements separated from each other by a first interval and arranged at a first pitch in a first direction and a second direction orthogonal to the first direction. Twice a distance from the first side to a first reflective element adjacent to the first side among the plurality of reflective elements is a sum of an integral multiple of the first pitch and the first interval.

公开(公告)号：US20240015993A1

公开(公告)日：2024-01-11

申请号：US18346277

申请日：2023-07-03

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Koichi IGETA ,  Yasuyuki YAMADA ,  Hiroumi KINJO

IPC: H10K30/87 ,  H10K30/50 ,  G02F1/1337

CPC classification number: H10K30/87 ,  H10K30/50 ,  G02F1/133753

Abstract: According to one embodiment, a photovoltaic cell device includes a transparent substrate including a first main surface and a second main surface opposed to the first main surface, a liquid crystal layer disposed on the second main surface side of the transparent substrate and including a cholesteric liquid crystal including liquid crystal molecules, and photovoltaic cells disposed on at least one of the first main surface side and the second main surface side of the transparent substrate, each formed into a strip shape, and arranged with a predetermined gap between the photovoltaic cells.

公开(公告)号：US20230221603A1

公开(公告)日：2023-07-13

申请号：US18184725

申请日：2023-03-16

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Hirofumi OHIRA

IPC: G09G3/36

CPC classification number: G09G3/3677 ,  G09G2320/0626

Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer which adheres the first and second display panels. The first display panel includes a first scanning line, a first signal line, a first pixel electrically connected to the first scanning line and the first signal line, and the first pixel includes a first pixel electrode including first line portions extending parallel to the first signal line. The second display panel includes a second scanning line, a second signal line, and a second pixel electrically connected to the second scanning line and the second signal line, and the second pixel includes a second pixel electrode including second line portions intersecting the second signal line in plan view.

公开(公告)号：US20220397783A1

公开(公告)日：2022-12-15

申请号：US17664721

申请日：2022-05-24

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Shinichiro OKA ,  Hirofumi OHIRA

IPC: G02F1/1347 ,  G02F1/1339 ,  G02F1/1362 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a first display panel, a second display panel and an adhesive layer which adheres the first and second display panels. The first display panel includes a first scanning line, a first signal line, a first pixel electrically connected to the first scanning line and the first signal line, and the first pixel includes a first pixel electrode including first line portions extending parallel to the first signal line. The second display panel includes a second scanning line, a second signal line, and a second pixel electrically connected to the second scanning line and the second signal line, and the second pixel includes a second pixel electrode including second line portions intersecting the second signal line in plan view.

公开(公告)号：US20220308402A1

公开(公告)日：2022-09-29

申请号：US17655676

申请日：2022-03-21

Applicant: Japan Display Inc.

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

IPC: G02F1/1337 ,  G02F1/1335

Abstract: According to one embodiment, a liquid crystal optical element includes a substrate, a plurality of structures, a first liquid crystal layer including a plurality of liquid crystal molecules having alignment directions fixed, and a second liquid crystal layer including a plurality of liquid crystal molecules having alignment directions fixed. In an area overlapping a groove, a first director of the first liquid crystal layer extends along the groove, and a second director of the second liquid crystal layer is uniformly aligned with the first director of the second surface side, on the third surface side, and turns in planar view.

公开(公告)号：US20220187646A1

公开(公告)日：2022-06-16

申请号：US17545512

申请日：2021-12-08

Applicant: Japan Display Inc.

Inventor： Lu JIN ,  Yosuke HYODO ,  Shinichiro OKA

IPC: G02F1/13357 ,  G02F1/1335

Abstract: According to one embodiment, an illumination device includes a first liquid crystal element opposed to a light emitting region, a second liquid crystal element including a first main surface and a second main surface, a first phase difference layer disposed on the second main surface, a second phase difference layer disposed on the second main surface and adjacent to the first phase difference layer, and a diffusion layer opposed to the first phase difference layer and the second phase difference layer. Each of the first liquid crystal element and the second liquid crystal element has a plurality of liquid crystal molecules, and is cured in a state in which an alignment direction of the liquid crystal molecules has continuously changed in plane.

公开(公告)号：US20210132434A1

公开(公告)日：2021-05-06

申请号：US17148637

申请日：2021-01-14

Applicant: Japan Display Inc.

Inventor： Yosuke HYODO ,  Toshiyuki HIGANO ,  Yoshiro AOKI ,  Shinichiro OKA

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1339

Abstract: The display device includes: a first substrate; a second substrate; and a liquid crystal layer placed between the first substrate and the second substrate. The first substrate and the second substrate have a display area and a frame area around the display area. The frame area has a seal material placed between the first substrate and the second substrate. The second substrate has: a second resin substrate; in the display area, a first multilayer layer placed on a side of the second resin substrate facing the liquid crystal layer, the first multilayer layer including a first inorganic insulating film, a light shielding member, and an overcoat film; and in the frame area, a second multilayer layer placed on the side of the second resin substrate facing the liquid crystal layer, the second multilayer layer including the light shielding member and the overcoat film.

公开(公告)号：US20180101044A1

公开(公告)日：2018-04-12

申请号：US15708506

申请日：2017-09-19

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Toshinari SASAKI

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/133 ,  G02F1/1345 ,  G02F1/1335

CPC classification number: G02F1/133305 ,  G02F1/13306 ,  G02F1/133528 ,  G02F1/1339 ,  G02F1/1345 ,  G02F1/13452 ,  G02F1/13458 ,  G02F2201/50 ,  G02F2201/503

Abstract: A display device includes a flexible first substrate, a flexible second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a sealing member sealing the liquid crystal layer between the first substrate and the second substrate, a first optical member bonded to the first substrate, a terminal section on the first substrate, the terminal section being in a region not overlapping the second substrate, a driving circuit substrate connected with the terminal section, and a second optical member or a resin member, the terminal section being between the first optical member and the second optical member or between the first optical member and the resin member.