公开(公告)号：US20240118568A1

公开(公告)日：2024-04-11

申请号：US18544667

申请日：2023-12-19

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

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

CPC classification number: G02F1/1334 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133553 ,  G02F1/1343 ,  G02F1/133615 ,  G02F2201/121 ,  G02F2201/123

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：US20230314865A1

公开(公告)日：2023-10-05

申请号：US18331392

申请日：2023-06-08

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA

IPC: G02F1/1333 ,  G02F1/1335

CPC classification number: G02F1/133507 ,  G02F1/13338 ,  G02F1/133526

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：US20230088585A1

公开(公告)日：2023-03-23

申请号：US18073012

申请日：2022-12-01

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: F21V8/00

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：US20210223608A1

公开(公告)日：2021-07-22

申请号：US17221907

申请日：2021-04-05

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：US20210132433A1

公开(公告)日：2021-05-06

申请号：US17147566

申请日：2021-01-13

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes, a first transparent substrate having a side surface and a main surface, a first alignment film disposed along the main surface, a first transparent layer located between the first transparent substrate and the first alignment film, a second transparent substrate, a pixel electrode electrically connected to a switching element, a liquid crystal layer, and a light-emitting element opposed to the side surface. The first transparent layer overlaps a part of the pixel electrode and has a lower refractive index than the first transparent substrate.

公开(公告)号：US20180081189A1

公开(公告)日：2018-03-22

申请号：US15702889

申请日：2017-09-13

Applicant: Japan Display Inc.

Inventor： Takeo KOITO ,  Yudai NUMATA

IPC: G02B27/22 ,  G02B5/136

Abstract: According to one embodiment, a display device includes a display module which emits display light, an optical element which transmits or reflects the display light, and a reflective element which retroreflects the display light reflected from the optical element. The reflective element includes a first reflector including a first retroreflective surface having retroreflective properties, a first end portion, and a second end portion which is more separated from the optical element than the first end portion, and a second reflector including a third end portion, which overlaps the second end portion and is closer to the optical element than the second end portion, and a second retroreflective surface having retroreflective properties.

公开(公告)号：US20230305220A1

公开(公告)日：2023-09-28

申请号：US18328857

申请日：2023-06-05

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

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

CPC classification number: G02B6/0088 ,  G02B6/0055 ,  G02B6/0075 ,  G02B6/0091 ,  G02F1/133615 ,  G02F1/133616 ,  G02F1/133331 ,  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：US20230221593A1

公开(公告)日：2023-07-13

申请号：US18180275

申请日：2023-03-08

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: G02F1/1334 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/1334 ,  G02F1/1343 ,  G02F1/133512 ,  G02F1/133553 ,  G02F1/133504 ,  G02F1/133615 ,  G02F1/133616 ,  G02F2201/121 ,  G02F2201/123

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：US20210311243A1

公开(公告)日：2021-10-07

申请号：US17351807

申请日：2021-06-18

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

IPC: F21V8/00

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：US20210232010A1

公开(公告)日：2021-07-29

申请号：US17231179

申请日：2021-04-15

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA ,  Kojiro IKEDA

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate including a first transparent substrate, a wiring portion, and a pixel electrode, a second substrate including a second transparent substrate, a common electrode opposed to the pixel electrode, a light-shielding layer overlapping the wiring portion between the second transparent substrate and the common electrode, and a transparent layer disposed between the second transparent substrate and the light-shielding layer, a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules, and light-emitting elements. A refractive index of the transparent layer is less than a refractive index of the second transparent substrate.