公开(公告)号：US20240345440A1

公开(公告)日：2024-10-17

申请号：US18632741

申请日：2024-04-11

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Koji KITAMURA ,  Tenfu NAKAMURA

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/13394 ,  G02F1/13398 ,  G02F1/136286 ,  G02F1/1368

Abstract: According to an aspect, a display device includes: a display panel including an array substrate, a counter substrate, a liquid crystal layer between the array substrate and the counter substrate, and spacers projecting from the counter substrate toward the array substrate; a light-transmitting glass base member bonded to the display panel; and a light source that includes a light guide provided along a side surface of the array substrate, a side surface of the counter substrate, or a side surface of the glass base member, and light emitters facing the light guide. The array substrate includes: signal lines; scan lines; and switching elements coupled to the scan lines and the signal lines. The spacers are arranged in positions facing the respective switching elements and are provided with adhesion layers provided such that the counter substrate and the array substrate adhere to each other.

公开(公告)号：US20220171228A1

公开(公告)日：2022-06-02

申请号：US17670623

申请日：2022-02-14

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA ,  Kentaro OKUYAMA ,  Kojiro IKEDA

IPC: G02F1/1333 ,  G02F1/1334 ,  C09J7/00

Abstract: According to one embodiment, a display device includes a first display panel including a first and second transparent substrate, a first liquid crystal layer, and a first light-emitting element, a second display panel including a third and fourth transparent substrate, a second liquid crystal layer and a second light emitting element, a filling member provided between the first and second display panel and having a refractive index equal to that of the first to fourth transparent substrates, a first light guide bonded to the first and second display panel, and a first adhesive member provided between the first display panel and the first light guide and between the second display panel and the first light guide.

公开(公告)号：US20190197968A1

公开(公告)日：2019-06-27

申请号：US16218555

申请日：2018-12-13

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA ,  Kentaro Okuyama ,  Tae Kurokawa

IPC: G09G3/34 ,  G02F1/1334 ,  G02F1/1335

CPC classification number: G09G3/3413 ,  G02F1/1334 ,  G02F1/133602 ,  G09G2310/0235 ,  G09G2310/08 ,  G09G2320/0271 ,  G09G2320/0626 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2360/16

Abstract: According to one embodiment, a display device including a plurality of light sources of different luminous colors, a first substrate, a second substrate opposed to the first substrate, a liquid crystal layer interposed between the first and second substrates, to which light from the light sources enters, a display area on which an image is displayed, and a drive circuit configured to control quantity of light from each of the light sources on the basis of an analyzation result of an image signal used to display the image.

公开(公告)号：US20250012964A1

公开(公告)日：2025-01-09

申请号：US18764615

申请日：2024-07-05

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA

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

Abstract: According to one embodiment, a display device includes a display panel having a liquid crystal layer containing a polymer dispersion liquid crystal, and a light guide element. The light guide element includes a base, a transparent layer having a refractive index lower than a refractive index of the base. A plurality of light emitting elements are arranged adjacent to a first side surface of the base, the first thickness of the transparent layer decreases from the first side surface towards a second side surface on an opposite side to the first side, and the second thickness of the transparent adhesive layer increasing from the first side surface towards the second side surface.

公开(公告)号：US20240280870A1

公开(公告)日：2024-08-22

申请号：US18653245

申请日：2024-05-02

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1347 ,  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：US20230400733A1

公开(公告)日：2023-12-14

申请号：US18330393

申请日：2023-06-07

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA

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

CPC classification number: G02F1/133615 ,  G02F1/1334 ,  G02B6/005

Abstract: According to one embodiment, a display device includes a display panel where an image is displayed, a transparent substrate having a main surface opposed to the display panel, and a first side surface connected to the main surface, a light source emitting light toward the first side surface, a low-refractive layer formed on the main surface and having a refractive index smaller than a refractive index of the transparent substrate, a protective layer covering the low-refractive layer and an adhesive layer bonding the display panel to the protective layer.

公开(公告)号：US20230350243A1

公开(公告)日：2023-11-02

申请号：US18350797

申请日：2023-07-12

Applicant: Japan Display Inc.

Inventor： Tatsunori MURAMOTO ,  Kentaro KAWAI ,  Yoshihide OHUE ,  Kentaro OKUYAMA ,  Tenfu NAKAMURA ,  Koji KITAMURA

IPC: G02F1/1334 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1335

CPC classification number: G02F1/1334 ,  G02F1/133512 ,  G02F1/1339 ,  G02F1/134309

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant formed bonding the first substrate with the second substrate, a liquid crystal layer surrounded by the sealant, and a light emitting module. The sealant includes a first portion, a second portion opposed to the first portion with the liquid crystal layer sandwiched therebetween, an inlet formed in the second portion, and a filling material filled in the inlet. The liquid crystal layer is arranged over a display area where an image is displayed, a first area between the display area and the first portion, and a second area between the display area and the second portion, in plan view. A first width of the first area is larger than a width of the second area.

公开(公告)号：US20230133222A1

公开(公告)日：2023-05-04

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

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：US20230040499A1

公开(公告)日：2023-02-09

申请号：US17973724

申请日：2022-10-26

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Kentaro OKUYAMA ,  Tenfu NAKAMURA

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

Abstract: 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 includes a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer includes 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：US20210405465A1

公开(公告)日：2021-12-30

申请号：US17474205

申请日：2021-09-14

Applicant: Japan Display Inc.

Inventor： Tenfu NAKAMURA ,  Kojiro IKEDA ,  Kentaro OKUYAMA

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

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.