公开(公告)号：US20240280743A1

公开(公告)日：2024-08-22

申请号：US18651984

申请日：2024-05-01

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: F21V8/00 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/1334

CPC classification number: G02B6/0088 ,  G02B6/0055 ,  G02B6/0075 ,  G02B6/0091 ,  G02F1/133331 ,  G02F1/133615 ,  G02F1/133616 ,  G02B6/0068 ,  G02F1/13347

Abstract: According to one embodiment, a display device includes a first transparent substrate including a first main surface, a second transparent substrate including a first end portion, a liquid crystal layer containing strip-shaped polymers and liquid crystal molecules, a third transparent substrate including a second end portion and a second main surface, a first light-emitting element and a first light guide. The first light guide includes a first surface and a second surface. A height from the first main surface to the second surface is less than a height from the first main surface to the second main surface.

公开(公告)号：US20240019622A1

公开(公告)日：2024-01-18

申请号：US18359029

申请日：2023-07-26

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: F21V8/00

CPC classification number: G02B6/005 ,  G02B6/0091 ,  G02F1/13347

Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate, a liquid crystal layer, light-emitting elements disposed in a first direction, a third transparent substrate including a main surface and a side surface opposed to the light-emitting elements, and a transparent layer disposed on the main surface and having a lower refractive index than the third transparent substrate. The third transparent substrate is bonded to the first transparent substrate or the second transparent substrate with the transparent layer sandwiched in between. The transparent layer includes strip portions disposed in the first direction and extended along a second direction.

公开(公告)号：US20230152645A1

公开(公告)日：2023-05-18

申请号：US18157982

申请日：2023-01-23

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Yudai NUMATA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1335

CPC classification number: G02F1/136286 ,  G02F1/136277 ,  G02F1/136209 ,  G02F1/1334 ,  G02F1/133553 ,  G02F2201/123 ,  G02F2201/121

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first insulating substrate, a scanning line, a signal line, a switching, and a pixel electrode. The liquid crystal layer includes a polymer in a shape of a streak and a liquid crystal molecule. The scanning line includes a conductive layer located between the first insulating substrate and the liquid crystal layer, and a first reflective layer located between the first insulating substrate and the conductive layer and having a reflectance higher than a reflectance of the conductive layer.

公开(公告)号：US20230102512A1

公开(公告)日：2023-03-30

申请号：US18073888

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA

IPC: G02F1/1335 ,  G02F1/1333

Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.

公开(公告)号：US20190324305A1

公开(公告)日：2019-10-24

申请号：US16380289

申请日：2019-04-10

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro Okuyama

IPC: G02F1/1334 ,  F21V8/00 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/13357

Abstract: According to one embodiment, a display device includes a first light guide including a first main surface, a second main surface, a first end portion opposed to light-emitting elements, and a second end portion, a first layer which is arranged to be in contact with the first main surface, and a second layer which is arranged to be in contact with the first main surface, and is located between the first layer and the second end portion, wherein the first light guide has a first refractive index, the first layer has a second refractive index lower than the first refractive index, the second layer has a third refractive index higher than the second refractive index, and the first layer is located at a position closer to the first end portion than the second layer.

公开(公告)号：US20220381972A1

公开(公告)日：2022-12-01

申请号：US17884975

申请日：2022-08-10

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: F21V8/00 ,  G02F1/13357 ,  G02F1/1335 ,  G02F1/1333

Abstract: According to one embodiment, a display device includes a first transparent substrate including a first main surface, a second transparent substrate including a first end portion, a liquid crystal layer containing strip-shaped polymers and liquid crystal molecules, a third transparent substrate including a second end portion and a second main surface, a first light-emitting element and a first light guide. The first light guide includes a first surface and a second surface. A height from the first main surface to the second surface is less than a height from the first main surface to the second main surface.

公开(公告)号：US20220026750A1

公开(公告)日：2022-01-27

申请号：US17495236

申请日：2021-10-06

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate including a first end portion and a second end portion located at a position different from the first end portion, a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate, a light source device located above the first substrate and disposed along the first end portion, and a light-shielding member disposed on at least a part of the second end portion.

公开(公告)号：US20210200046A1

公开(公告)日：2021-07-01

申请号：US17179529

申请日：2021-02-19

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Yudai NUMATA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1335

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first insulating substrate, a scanning line, a signal line, a switching, and a pixel electrode. The liquid crystal layer includes a polymer in a shape of a streak and a liquid crystal molecule. The scanning line includes a conductive layer located between the first insulating substrate and the liquid crystal layer, and a first reflective layer located between the first insulating substrate and the conductive layer and having a reflectance higher than a reflectance of the conductive layer.

公开(公告)号：US20190079324A1

公开(公告)日：2019-03-14

申请号：US16130256

申请日：2018-09-13

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro Okuyama

IPC: G02F1/1334 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate including a first end portion and a second end portion located at a position different from the first end portion, a polymer dispersed liquid crystal layer disposed between the first substrate and the second substrate, a light source device located above the first substrate and disposed along the first end portion, and a light-shielding member disposed on at least a part of the second end portion.

公开(公告)号：US20180031878A1

公开(公告)日：2018-02-01

申请号：US15659859

申请日：2017-07-26

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Yudai NUMATA

IPC: G02F1/1335 ,  G02F1/00 ,  G02F1/03

CPC classification number: G02F1/1335 ,  G02F1/0063 ,  G02F1/0311 ,  G02F1/136 ,  G02F2001/133638

Abstract: According to one embodiment, a display device includes an illumination unit, a polarizing element which transmits a specific polarized component of light entering from the illumination unit, a display panel which transmits the polarized light entering from the polarizing element while maintaining or converting a polarized state, an optical element comprising a transmission axis which transmits first linearly polarized light, which transmits or reflects the light entering from the display panel and a reflective element which retro-reflects the light reflected by the optical element, and the display panel and the reflective element face one surface of the optical element.