公开(公告)号：US20240255805A1

公开(公告)日：2024-08-01

申请号：US18534892

申请日：2023-12-11

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Yasuhiro TAKAHASHI ,  Jin HIROSAWA

IPC: G02F1/13363 ,  G02F1/1335

CPC classification number: G02F1/133638 ,  G02F1/133536 ,  G02B5/32 ,  G02F2413/03 ,  G02F2413/05 ,  G02F2413/06

Abstract: According to one embodiment, a display device includes a display module configured to emit display light which is linearly polarized light, a first structure including a first retardation film facing the display module, a holographic optical element facing the first retardation film, and a second retardation film facing the holographic optical element, a second structure including a reflective polarizer facing the second retardation film, and a transparent substrate facing the reflective polarizer, and a variable mechanism by which an interval between the first structure and the second structure is made variable.

公开(公告)号：US20240192424A1

公开(公告)日：2024-06-13

申请号：US18537215

申请日：2023-12-12

Applicant: Japan Display Inc.

Inventor： Koichi OKUDA ,  Shinichi KOMURA ,  Hiroaki KIJIMA ,  Jin HIROSAWA ,  Yasuhiro TAKAHASHI

IPC: F21V8/00

CPC classification number: G02B6/0023 ,  G02B6/0045 ,  G02B6/0066

Abstract: A display device includes a display panel, and a lighting device configured to illuminate the display panel. The lighting device includes a light-guiding plate, a light-emitting element configured to emit a red laser beam toward a side surface of the light-guiding plate, and a phase difference plate placed between the side surface of the light-guiding plate and the light-emitting element.

公开(公告)号：US20240012249A1

公开(公告)日：2024-01-11

申请号：US18348436

申请日：2023-07-07

Applicant: Japan Display Inc.

Inventor： Hiroaki KIJIMA ,  Yasuhiro TAKAHASHI ,  Shinichi KOMURA ,  Koichi OKUDA

IPC: G02B27/01 ,  G02B5/30 ,  G02F1/1335

CPC classification number: G02B27/0172 ,  G02B5/3083 ,  G02F1/133536 ,  G02B2027/0174 ,  G02F1/133541 ,  G02F1/133543

Abstract: According to one embodiment, a display device includes a display panel, a first retardation film that faces the display panel, a holographic optical element that is bonded to the first retardation film, a second retardation film that is bonded to the holographic optical element, and a reflective polarizer that faces the second retardation film, reflects first linearly polarized light, and transmits second linearly polarized light that is orthogonal to the first linearly polarized light, wherein an air layer is interposed between the second retardation film and the reflective polarizer, a surface of the second retardation film facing the reflective polarizer is covered with an antireflective film.

公开(公告)号：US20230221592A1

公开(公告)日：2023-07-13

申请号：US18151489

申请日：2023-01-09

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Jin HIROSAWA

IPC: G02F1/13 ,  G02F1/1343 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/137

CPC classification number: G02F1/1323 ,  G02F1/134309 ,  G02F1/1337 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133553 ,  G02F1/137

Abstract: According to one embodiment, a louver includes a first transparent substrate, a first organic insulating film provided on an inner surface side of the first transparent substrate, and including a first inclined surface and a second inclined surface, a first reflective layer provided along the first inclined surface, and a second reflective layer provided along the second inclined surface. The first reflective layer includes a first reflective surface. The second reflective layer includes a second reflective surface. An interval between the first reflective surface and the second reflective surface increases with distance from the first transparent substrate.

公开(公告)号：US20220075215A1

公开(公告)日：2022-03-10

申请号：US17469875

申请日：2021-09-09

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Jin HIROSAWA

IPC: G02F1/13 ,  G02F1/1343 ,  G02F1/155 ,  G02F1/163 ,  G02F1/157 ,  G02F1/1335

Abstract: According to one embodiment, a viewing angle control element includes an electrochromic layer, a plurality of projections formed on a first base, a first area and a second area provided on each of the projections, a first transparent electrode provided on the first area, and a second transparent electrode provided on the second area, wherein the first transparent electrode and the second transparent electrode are electrically independent of each other.

公开(公告)号：US20240255688A1

公开(公告)日：2024-08-01

申请号：US18419586

申请日：2024-01-23

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Shinichi KOMURA

IPC: F21V8/00

CPC classification number: G02B6/0036 ,  G02B6/0056 ,  G02B6/0076 ,  G02B6/0031

Abstract: According to one embodiment, an illumination includes a first light guide including a first main surface, a second main surface, and a first side surface, a first light source applying a first linearly polarized light toward the first side surface, and a first retardation film provided on the first side surface and providing a phase difference to light emitted from the first light source. The first side surface is an inclined surface including a first end portion and a second end portion, and a distance between the second end portion and the first light source is smaller than a distance between the first end portion and the first light source.

公开(公告)号：US20220222965A1

公开(公告)日：2022-07-14

申请号：US17574663

申请日：2022-01-13

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Junko NAGASAWA

IPC: G06V40/13 ,  G02F1/1335 ,  G02F1/1333

Abstract: According to one embodiment, an electronic apparatus comprises a first substrate that includes a sensor element, a first light-shielding layer, and a first pinhole that is provided between the first light-shielding layers adjacent to each other, and a second substrate that includes a second light-shielding layer that is provided in contact with a base, a second pinhole that is provided between the second light-shielding layers adjacent to each other, a third light-shielding layer that is in contact with an insulating layer, a third pinhole that is provided between the third light-shielding layers adjacent to each other, wherein a transparent resin layer is provided inside the third pinhole.

公开(公告)号：US20210088817A1

公开(公告)日：2021-03-25

申请号：US17111795

申请日：2020-12-04

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Yuji MAEDE

IPC: G02F1/1339 ,  G02F1/1334 ,  G02F1/1335

Abstract: According to one embodiment/ an electro-optical device includes a panel, a sealant, a liquid crystal layer, a light source and a reflective layer. The panel includes first and second transparent substrates, an electro-optical area and a peripheral area. The seal is provided in the peripheral area and adheres the substrates. The liquid crystal layer contains a polymer liquid crystal composition. The light source opposes a side surface of the first or second substrates. The reflective layer is between the substrates. The panel includes a first edge, and the reflective layer overlaps a portion of the sealant, located along the first edge.

公开(公告)号：US20240061242A1

公开(公告)日：2024-02-22

申请号：US18451126

申请日：2023-08-17

Applicant: Japan Display Inc.

Inventor： Yuji MAEDE ,  Yasuhiro TAKAHASHI

IPC: G02B27/01

CPC classification number: G02B27/0103

Abstract: According to one embodiment, a display device includes an illumination device which emits illumination light, a display panel which modulates the illumination light and emits image light, a holographic optical element which reflects the image light emitted from the display panel, and a concave mirror which reflects the image light reflected by the holographic optical element, wherein when the image light reflected by the concave mirror enters a projection member, a virtual image is projected, and the holographic optical element reflects light incident at a specific angle of incidence on a Bragg reflection surface and transmits the light incident at an angle of incidence different from the specific angle of incidence.

公开(公告)号：US20240310634A1

公开(公告)日：2024-09-19

申请号：US18605855

申请日：2024-03-15

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Shinichi KOMURA ,  Jin HIROSAWA

IPC: G02B27/01 ,  G02B5/30 ,  G02F1/1335 ,  G02F1/13357 ,  G02F1/13363

CPC classification number: G02B27/0172 ,  G02B5/3016 ,  G02B5/3083 ,  G02B6/0068 ,  G02F1/133524 ,  G02F1/133615 ,  G02F1/133638 ,  G02B2027/0105 ,  G02B2027/0136 ,  G02B2027/0174

Abstract: According to one embodiment, a display device includes a display module configured to emit display light which is linearly polarized light, a first retardation film, a holographic optical element which is configured to reflect first circularly polarized light having a specific incident angle and transmit light having an incident angle which is different from the specific incident angle, a second retardation film, a reflective polarizer which is configured to reflect first linearly polarized light and transmit second linearly polarized light, a third retardation film, and a lens element which has a lens effect of condensing first circularly polarized light and converting first circularly polarized light into second circularly polarized light.