公开(公告)号：US20250102868A1

公开(公告)日：2025-03-27

申请号：US18976475

申请日：2024-12-11

Applicant: Japan Display Inc.

Inventor： Yoshikatsu IMAZEKI ,  Yoshifumi KAMEI ,  Takeo KOITO ,  Kojiro IKEDA

IPC: G02F1/1347 ,  G02F1/1333

Abstract: A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel including a first substrate and a second substrate, the first substrate including a first terminal, the second substrate overlapping the first substrate and including a second terminal, and a metal film provided at a side part of the panel unit and extending in the first direction.

公开(公告)号：US20250035988A1

公开(公告)日：2025-01-30

申请号：US18913609

申请日：2024-10-11

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Takeo KOITO ,  Tae KUROKAWA

IPC: G02F1/1337 ,  G02F1/1343

Abstract: A liquid crystal light control device includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal cell. Each of the first, second, third, and the fourth liquid crystal cells includes, a first substrate including a first alignment film, a second substrate including an electrode having a strip pattern and a second alignment film, and a liquid crystal layer between the first substrate and the second substrate. An alignment direction of the first alignment film and an alignment direction of the second alignment film are aligned to intersect each other. A longitudinal direction of the strip pattern of the electrode having the strip pattern is arranged to intersect an alignment direction of the second alignment film.

公开(公告)号：US20240361649A1

公开(公告)日：2024-10-31

申请号：US18768513

申请日：2024-07-10

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Kojiro IKEDA ,  Yoshikatsu IMAZEKI

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/13452 ,  G02F1/133345 ,  G02F1/13439 ,  G02F1/13458 ,  G02F1/1347

Abstract: An optical element includes a plurality of stacked liquid crystal cells. The plurality of stacked liquid crystal cells each includes a first substrate on which a first transparent electrode, a second transparent electrode, a first pad, a second pad, and a third pad are arranged, a second substrate on which a third transparent electrode and a fourth transparent electrode are arranged, and a liquid crystal layer between the first substrate and the second substrate. The first pad, the second pad, and the third pad of each of the plurality of stacked liquid crystal cells are electrically connected to a first inter-cell conductive member, a second inter-cell conductive member, and a third inter-cell conductive member, respectively, extending in a stacking direction.

公开(公告)号：US20240337878A1

公开(公告)日：2024-10-10

申请号：US18750455

申请日：2024-06-21

Applicant: JAPAN DISPLAY INC.

Inventor： Kojiro IKEDA ,  Takeo KOITO ,  Koichi NAGAO ,  Shinichiro TANAKA

IPC: G02F1/1337 ,  G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/1337 ,  G02F1/134309 ,  G02F1/1347 ,  G02F2201/124

Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.

公开(公告)号：US20240310679A1

公开(公告)日：2024-09-19

申请号：US18671439

申请日：2024-05-22

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Takeo KOITO

IPC: G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/134381 ,  G02F1/13439 ,  G02F1/1347

Abstract: An optical element includes at least four liquid crystal cells stacked in sequence. Each of the at least four liquid crystal cells includes a first substrate on which a first transparent electrode and a second transparent electrode each extending in a first direction are alternately arranged in a second direction orthogonal to the first direction, a second substrate on which a third transparent electrode and a fourth transparent electrode each extending in the second direction are alternately arranged in the first direction, and a liquid crystal layer between the first substrate and the second substrate.

公开(公告)号：US20240118574A1

公开(公告)日：2024-04-11

申请号：US18375062

申请日：2023-09-29

Applicant: Japan Display Inc.

Inventor： Yoshikatsu IMAZEKI ,  Yoshifumi KAMEI ,  Takeo KOITO ,  Kojiro IKEDA

IPC: G02F1/1347 ,  G02F1/1333

CPC classification number: G02F1/1347 ,  G02F1/133308

Abstract: A light adjustment device includes a panel unit including a plurality of light adjustment panels stacked in a first direction, each light adjustment panel including a first substrate and a second substrate, the first substrate including a first terminal, the second substrate overlapping the first substrate and including a second terminal, and a metal film provided at a side part of the panel unit and extending in the first direction.

公开(公告)号：US20240045276A1

公开(公告)日：2024-02-08

申请号：US18381355

申请日：2023-10-18

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Kojiro IKEDA ,  Tae KUROKAWA

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1347

CPC classification number: G02F1/1343 ,  G02F1/133368 ,  G02F1/1347

Abstract: An optical device comprises a first liquid crystal cell, a second liquid crystal cell overlapped with the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode extending in a direction inclined at a predetermined angle with respect to a first direction, a second substrate arranged with a second electrode extending in a direction inclined at a predetermined angle with respect to a second direction, and a liquid crystal layer. An extension direction of the first electrode and an that of the second electrode intersect each other without being perpendicular. The extension directions of the first electrode and the second electrode in the first liquid crystal cell and that of the first electrode and the second electrode in the second liquid crystal cell are different from each other.

公开(公告)号：US20240004243A1

公开(公告)日：2024-01-04

申请号：US18370035

申请日：2023-09-19

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Tae KUROKAWA ,  Kojiro IKEDA

IPC: G02F1/1343 ,  G02F1/1347

CPC classification number: G02F1/134309 ,  G02F1/1347

Abstract: A liquid crystal light control device in an embodiment according to the present invention includes a first liquid crystal cell, and a second liquid crystal cell overlapping the first liquid crystal cell. Each of the first liquid crystal cell and the second liquid crystal cell includes a first substrate arranged with a first electrode having a strip pattern, a second substrate arranged with a second electrode having a strip pattern, and a liquid crystal layer between the first substrate and the second substrate. A longitudinal direction of the strip pattern of the first electrode and a longitudinal direction of the strip pattern of the second electrode are arranged to intersect at an angle in the range of 45 degrees±10 degrees.

公开(公告)号：US20230359096A1

公开(公告)日：2023-11-09

申请号：US18224401

申请日：2023-07-20

Applicant: JAPAN DISPLAY INC.

Inventor： Tenfu NAKAMURA ,  Kentaro OKUYAMA ,  Kojiro IKEDA

IPC: G02F1/1362 ,  H01L27/12 ,  G02F1/1334

CPC classification number: G02F1/136286 ,  H01L27/124 ,  G02F1/1334

Abstract: According to one embodiment, a display device including a liquid crystal layer containing strip-like polymers and liquid crystal molecules, a third transparent substrate, and a transparent layer disposed on the third transparent substrate and having a refractive index lower than that of the third transparent substrate, wherein the transparent layer includes strip portions which include first and second end portions, and a middle portion, the first end portion has a first width greater than a width of the middle portion, the second end portion has a second width greater than the width of the middle portion, and first wiring lines overlap the strip portions, respectively and extend in a same direction.

公开(公告)号：US20230359087A1

公开(公告)日：2023-11-09

申请号：US18351788

申请日：2023-07-13

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Tenfu NAKAMURA ,  Kentaro OKUYAMA ,  Zhengyi GOU ,  Hisanori KAWAKAMI

IPC: G02F1/1368 ,  G02F1/13357 ,  G02F1/1362

CPC classification number: G02F1/133615 ,  G02F1/136286 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first light guide element and a light-emitting element. The liquid crystal layer contains stringy polymers and liquid crystal molecules. The first light guide element includes a third transparent substrate including a side surface and a main surface, and a transparent layer disposed on the main surface and having a refractive index lower than that of the third transparent substrate. The light-emitting element opposes the side surface, and the third transparent substrate is adhered to the second transparent substrate while interposing the transparent layer therebetween. The light-emitting element is disposed on the second transparent substrate.