公开(公告)号：US11809049B2

公开(公告)日：2023-11-07

申请号：US18106693

申请日：2023-02-07

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura ,  Kojiro Ikeda ,  Kentaro Okuyama

IPC: G02F1/1343 ,  G02F1/1339 ,  G02F1/1334

CPC classification number: G02F1/134309 ,  G02F1/1334 ,  G02F1/13396

Abstract: According to one embodiment, a display device includes a first substrate including a pixel electrode, a second substrate including a common electrode, a liquid crystal layer located between the first substrate and the second substrate and containing polymer and liquid crystal molecules, and a light emitting element opposed to an end surface of the second substrate, the common electrode being separated from the pixel electrode by a first distance, at a first position, the common electrode being separated from the pixel electrode by a second distance, at a second position more separated from the light emitting element than the first position, the second distance being smaller than the first distance.

公开(公告)号：US11640091B2

公开(公告)日：2023-05-02

申请号：US17656279

申请日：2022-03-24

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer which includes a stripe-like polymer and first liquid crystal molecules having responsiveness to an electric field, a light source and a transparent film which includes second liquid crystal molecules which are not responsive to an electric field. The second liquid crystal molecules have a large inclination angle with respect to the horizontal plane of the transparent film in a first region that is separate from the light source, and have, in a second region positioned between the light source and the first region, a smaller inclination angle than the inclination angle in the first region with respect to the horizontal plane of the transparent film.

公开(公告)号：US11604388B2

公开(公告)日：2023-03-14

申请号：US17474205

申请日：2021-09-14

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura ,  Kojiro Ikeda ,  Kentaro Okuyama

IPC: G02F1/1343 ,  G02F1/1339 ,  G02F1/1334

Abstract: According to one embodiment, a display device includes a first substrate including a pixel electrode, a second substrate including a common electrode, a liquid crystal layer located between the first substrate and the second substrate and containing polymer and liquid crystal molecules, and a light emitting element opposed to an end surface of the second substrate, the common electrode being separated from the pixel electrode by a first distance, at a first position, the common electrode being separated from the pixel electrode by a second distance, at a second position more separated from the light emitting element than the first position, the second distance being smaller than the first distance.

公开(公告)号：US11513408B2

公开(公告)日：2022-11-29

申请号：US17403000

申请日：2021-08-16

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Kentaro Okuyama ,  Tenfu Nakamura

IPC: G02F1/1362 ,  G02F1/1333 ,  G09G3/36

Abstract: According to one embodiment, a display device includes a liquid crystal layer between a first substrate and a second substrate. The first substrate includes a wiring line and a pixel electrode. The liquid crystal layer contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains a first polymer in an area overlapping the wiring line and a second polymer in an area overlapping the pixel electrode. The first polymer includes a first portion extending in a direction different from the first direction. The second polymer includes a second portion extending in a direction different from the first direction. A density of the first portion is higher than a density of the second portion.

公开(公告)号：US11209708B2

公开(公告)日：2021-12-28

申请号：US17212299

申请日：2021-03-25

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1368 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a display area including a liquid crystal layer disposed in a display area, the liquid crystal layer including a polymer and a liquid crystal molecule, wherein when a direction of light incident on the display area from a light source element is defined as an incident direction and a direction in which pixels are selected sequentially is defined as a scan direction, the incident direction is opposite to the scan direction, and a direction in which the polymer extends linearly crosses both the incident direction and the scan direction.

公开(公告)号：US12105369B2

公开(公告)日：2024-10-01

申请号：US18522476

申请日：2023-11-29

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1334 ,  G02F1/13357

CPC classification number: G02F1/133331 ,  G02F1/133553 ,  G02F1/133607 ,  G02F1/1334 ,  G02F1/133615

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer provided between the first substrate and the second substrate, a first cover glass having a first main surface opposed to the second substrate, a second main surface on a side opposite to the first main surface, a first side surface connecting the first main surface with the second main surface, and a second side surface on a side opposite to the first side surface, and a light source provided on the first side surface side. A thickness of the first cover glass on the first side surface side is different from a thickness of the first cover glass on the second side surface side.

公开(公告)号：US12032196B2

公开(公告)日：2024-07-09

申请号：US18223749

申请日：2023-07-19

Applicant: JAPAN DISPLAY INC.

Inventor： Tenfu Nakamura ,  Kentaro Okuyama ,  Kojiro Ikeda

IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1362 ,  G02F1/1334 ,  G02F1/1368

CPC classification number: G02B6/005 ,  G02F1/136286 ,  G02F1/13347 ,  G02F1/134336 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate, a liquid crystal layer, a third transparent substrate having a first side surface, a second side surface, and an inner surface, a transparent layer arranged on the inner surface, and light emitting elements. The transparent layer includes a band-shaped portion extending from the first side surface toward the second side surface and a frame-shaped portion formed in a frame shape surrounding the band-shaped portion. The band-shaped portion is separated from the frame-shaped portion. A width of the band-shaped portion on a first side surface side is larger than a width of the band-shaped portion on a second side surface side.

公开(公告)号：US12001107B2

公开(公告)日：2024-06-04

申请号：US18113876

申请日：2023-02-24

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura

IPC: G02F1/1347 ,  G02F1/1334 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/1334 ,  G02F1/13471 ,  G02F1/1368

Abstract: According to one embodiment, a display device including a first transparent substrate, a second transparent substrate, a liquid crystal layer, a third transparent substrate, and a transparent layer having a refractive index lower than a refractive index of the third transparent substrate, wherein the transparent layer includes a plurality of band portions including first to third band portions, a second end portion has a smaller width than a first end portion in band portions, the second end portion of the second band portion has a smaller width than the second end portion of the first band portion, and the second end portion of the third band portion has a smaller width than the second end portion of the first band portion.

公开(公告)号：US11982910B2

公开(公告)日：2024-05-14

申请号：US18148027

申请日：2022-12-29

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1343 ,  G02F1/1334

CPC classification number: G02F1/134309 ,  G02F1/1334 ,  G02F1/134318

Abstract: According to one embodiment, a display device includes a first substrate having a first transparent substrate and a pixel electrode, a second substrate having a second transparent substrate, a first common electrode, a second common electrode, and an insulating film disposed between the first common electrode and the second common electrode, and a liquid crystal layer. The first common electrode is disposed between the liquid crystal layer and the insulating film, and includes a first opening and a first electrode portion. The second common electrode is disposed between the insulating film and the second transparent substrate, and includes a second electrode portion overlapping the first opening.

公开(公告)号：US11740510B2

公开(公告)日：2023-08-29

申请号：US17651845

申请日：2022-02-21

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama ,  Zhengyi Gou ,  Hisanori Kawakami

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

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

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.