公开(公告)号：US12025881B2

公开(公告)日：2024-07-02

申请号：US18224401

申请日：2023-07-20

Applicant: JAPAN DISPLAY INC.

Inventor： Tenfu Nakamura ,  Kentaro Okuyama ,  Kojiro Ikeda

IPC: G02F1/13357 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/133615 ,  G02F1/1334 ,  G02F1/133616 ,  G02F1/136286 ,  H01L27/124

Abstract: According to one embodiment, a display device including a liquid crystal layer containing strip-like polymers and liquid crystal molecules, a third transparent substrate, and a transparent layer disposed on the third transparent substrate and having a refractive index lower than that of the third transparent substrate, wherein the transparent layer includes strip portions which include first and second end portions, and a middle portion, the first end portion has a first width greater than a width of the middle portion, the second end portion has a second width greater than the width of the middle portion, and first wiring lines overlap the strip portions, respectively and extend in a same direction.

公开(公告)号：US12013613B2

公开(公告)日：2024-06-18

申请号：US18351788

申请日：2023-07-13

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama ,  Zhengyi Gou ,  Hisanori Kawakami

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/133615 ,  G02F1/136286 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first light guide element and a light-emitting element. The liquid crystal layer contains stringy polymers and liquid crystal molecules. The first light guide element includes a third transparent substrate including a side surface and a main surface, and a transparent layer disposed on the main surface and having a refractive index lower than that of the third transparent substrate. The light-emitting element opposes the side surface, and the third transparent substrate is adhered to the second transparent substrate while interposing the transparent layer therebetween. The light-emitting element is disposed on the second transparent substrate.

公开(公告)号：US11934062B2

公开(公告)日：2024-03-19

申请号：US18078332

申请日：2022-12-09

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1334 ,  G02F1/1335

CPC classification number: G02F1/1334 ,  G02F1/13345 ,  G02F1/13347 ,  G02F1/133616

Abstract: A display device is providing and includes first substrate including first transparent substrate, and pixel electrode disposed in each of pixels on first transparent substrate; second substrate including second transparent substrate having first and second side surfaces, and common electrode disposed over pixels; and liquid crystal layer disposed between first and second substrates and including stripe-shaped polymer and liquid crystal molecules.

公开(公告)号：US11614650B2

公开(公告)日：2023-03-28

申请号：US17670623

申请日：2022-02-14

Applicant: Japan Display Inc.

Inventor： Tenfu Nakamura ,  Kentaro Okuyama ,  Kojiro Ikeda

IPC: G02F1/1333 ,  C09J7/00 ,  G02F1/1334 ,  F21V8/00

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：US11526046B2

公开(公告)日：2022-12-13

申请号：US17219106

申请日：2021-03-31

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Tenfu Nakamura ,  Kentaro Okuyama

IPC: G02F1/1334 ,  G02F1/1335

Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate having a first side surface and a second side surface, and a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules. The liquid crystal layer has a first region and a second region. When no voltage is applied to the liquid crystal layer, a first intersection angle of a first director of a first liquid crystal molecule and a first extension axis of the polymer included in the first region is different from a second intersection angle of a second director of a second liquid crystal molecule and a second extension axis of the polymer included in the second region.

公开(公告)号：US12253763B2

公开(公告)日：2025-03-18

申请号：US18632741

申请日：2024-04-11

Applicant: Japan Display Inc.

Inventor： Kentaro Okuyama ,  Koji Kitamura ,  Tenfu Nakamura

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/13357

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：US12242149B2

公开(公告)日：2025-03-04

申请号：US18638803

申请日：2024-04-18

Applicant: Japan Display Inc.

Inventor： Tatsunori Muramoto ,  Kentaro Kawai ,  Yoshihide Ohue ,  Kentaro Okuyama ,  Tenfu Nakamura ,  Koji Kitamura

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

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：US11988915B2

公开(公告)日：2024-05-21

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

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：US11586087B2

公开(公告)日：2023-02-21

申请号：US17403000

申请日：2021-08-16

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Kentaro Okuyama ,  Tenfu Nakamura

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

Abstract: According to one embodiment, 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 contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains 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：US11543720B2

公开(公告)日：2023-01-03

申请号：US17403000

申请日：2021-08-16

Applicant: Japan Display Inc.

Inventor： Kojiro Ikeda ,  Kentaro Okuyama ,  Tenfu Nakamura

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

Abstract: According to one embodiment, 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 contains a stripe-shaped polymer extending in a first direction and a liquid crystal molecule. The liquid crystal layer contains 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.