公开(公告)号：US10895758B2

公开(公告)日：2021-01-19

申请号：US15912620

申请日：2018-03-06

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Takeo Koito

IPC: G02B27/22 ,  G02B5/30 ,  G02B5/124 ,  G02B30/56 ,  G02F1/133 ,  B29D11/00 ,  G02B27/28 ,  G02F1/1335

Abstract: According to one embodiment, a display device includes an optical element including a transmission axis which transmits first linearly polarized light and reflecting second linearly polarized light which crosses the transmission axis, a display unit which emits display light of the second linearly polarized light towards the optical element, a retroreflector including a retroreflective unit which retroreflects reflection light reflected by the optical element, and a non-retroreflective unit, a modulating element including a modulating unit disposed in a position which overlaps the retroreflective unit, and a non-modulating unit disposed in a position which overlaps the non-retroreflective unit.

公开(公告)号：US20200310175A1

公开(公告)日：2020-10-01

申请号：US16829113

申请日：2020-03-25

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Hiroki Sugiyama ,  Yoshihide Ohue ,  Yudai Numata

IPC: G02F1/1339 ,  G02F1/1334

Abstract: According to one embodiment, a display device including a first substrate having a first end portion, a second substrate facing the first substrate and having a second end portion separated from the first end portion, a liquid crystal layer located between the first substrate and the second substrate, a light-emitting element facing the second end portion, a first sealing member bonding the first substrate and the second substrate together, and a low refractive area located between the first substrate and the second substrate, located between the second end portion and the first sealing member in planar view, and containing a material having a refractive index lower than that of the second substrate.

公开(公告)号：US10761341B2

公开(公告)日：2020-09-01

申请号：US15702889

申请日：2017-09-13

Applicant: Japan Display Inc.

Inventor： Takeo Koito ,  Yudai Numata

IPC: G02B30/50 ,  G02B30/56 ,  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：US10725327B2

公开(公告)日：2020-07-28

申请号：US16130256

申请日：2018-09-13

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

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

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：US20180259783A1

公开(公告)日：2018-09-13

申请号：US15912620

申请日：2018-03-06

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Takeo Koito

IPC: G02B27/22 ,  G02B5/30 ,  G02B5/124

CPC classification number: G02B27/2292 ,  B29D11/00326 ,  G02B5/124 ,  G02B5/3025 ,  G02B5/3083 ,  G02B27/283 ,  G02F1/13306 ,  G02F1/133514 ,  G02F2203/02 ,  G02F2203/12 ,  G02F2203/50 ,  G02F2203/62

Abstract: According to one embodiment, a display device includes an optical element including a transmission axis which transmits first linearly polarized light and reflecting second linearly polarized light which crosses the transmission axis, a display unit which emits display light of the second linearly polarized light towards the optical element, a retroreflector including a retroreflective unit which retroreflects reflection light reflected by the optical element, and a non-retroreflective unit, a modulating element including a modulating unit disposed in a position which overlaps the retroreflective unit, and a non-modulating unit disposed in a position which overlaps the non-retroreflective unit.

公开(公告)号：US12153302B2

公开(公告)日：2024-11-26

申请号：US18544667

申请日：2023-12-19

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/13357

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：US11747544B2

公开(公告)日：2023-09-05

申请号：US18073012

申请日：2022-12-01

Applicant: Japan Display Inc.

Inventor： Yudai Numata ,  Kentaro Okuyama

IPC: F21V8/00 ,  G02F1/1334 ,  G02F1/1339

CPC classification number: G02B6/005 ,  G02B6/0091 ,  G02F1/1339 ,  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：US11556029B2

公开(公告)日：2023-01-17

申请号：US17702055

申请日：2022-03-23

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：US11448915B2

公开(公告)日：2022-09-20

申请号：US17147566

申请日：2021-01-13

Applicant: Japan Display Inc.

Inventor： Yudai Numata

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/1334

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：US20220121074A1

公开(公告)日：2022-04-21

申请号：US17565573

申请日：2021-12-30

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.