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：US20240319531A1

公开(公告)日：2024-09-26

申请号：US18605830

申请日：2024-03-15

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA

IPC: G02F1/1333 ,  G02F1/1334 ,  G02F1/1343 ,  G02F1/1345

CPC classification number: G02F1/133382 ,  G02F1/1334 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/13454

Abstract: A display device comprises a display panel including a liquid crystal layer between a pair of substrates and a heater including a plurality of electrodes arranged at a distance from each other and disposed adjacent to the display panel. The plurality of electrodes includes a first electrode heated at a first temperature and a second electrode heated at a second temperature lower than the first temperature. Each of the plurality of electrodes may be a transparent electrode on a transparent substrate.

公开(公告)号：US20240094585A1

公开(公告)日：2024-03-21

申请号：US18517743

申请日：2023-11-22

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Yoshihide OHUE ,  Hiroki SUGIYAMA ,  Tomoyuki TADA

IPC: G02F1/1362 ,  G02F1/1334 ,  G02F1/1368

CPC classification number: G02F1/136209 ,  G02F1/1334 ,  G02F1/136227 ,  G02F1/136268 ,  G02F1/1368

Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.

公开(公告)号：US20230324751A1

公开(公告)日：2023-10-12

申请号：US18296470

申请日：2023-04-06

Applicant: Japan Display Inc.

Inventor： Yoshihide OHUE ,  Kentaro OKUYAMA ,  Hiroki SUGIYAMA ,  Yuuji OOMORI ,  Koji KITAMURA

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/1368

Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; spacers regulating a distance between the array substrate and the counter substrate; and a light source. The array substrate includes: signal lines arranged in a first direction; scan lines arranged in a second direction; switching elements each of which is coupled to a corresponding scan line and a corresponding signal line; and an organic insulating layer covering at least the switching elements. An area surrounded by the scan lines and the signal lines has a second area having a thickness less than that of the organic insulating layer in a first area overlapping the switching elements, the scan lines, and the signal lines in plan view. The spacers arranged in the first area have a thickness less than that of the organic insulating layer in the first area.

公开(公告)号：US20230274711A1

公开(公告)日：2023-08-31

申请号：US18173082

申请日：2023-02-23

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Kazuhiko SAKO ,  Tsutomu HARADA ,  Takayuki NAKANISHI ,  Kazunari TOMIZAWA

IPC: G09G3/34 ,  H04N23/60 ,  G09G3/36 ,  G02F1/1337 ,  G02F1/1334

CPC classification number: G09G3/3413 ,  H04N23/60 ,  G09G3/36 ,  G02F1/133738 ,  G02F1/13347 ,  G09G2320/064

Abstract: According to one embodiment, an electronic device includes a display panel configured to display an image and including a display region that transmits external light, a light source unit, a camera opposed to the display region of the display panel, and a control unit. The control unit is configured to in a light emission period, permit irradiation of light by the light source unit, irradiate the display region with light, display the image in the display region, and prohibit capturing by the camera. The control unit is configured to in a capturing period, prohibit the irradiation of the light by the light source unit, set the display region to be transparent, permit the capturing by the camera, and take in the external light transmitted through the display region to the camera.

公开(公告)号：US20220382113A1

公开(公告)日：2022-12-01

申请号：US17884600

申请日：2022-08-10

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA

IPC: G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer located between the first substrate and the second substrate and containing a polymer and a liquid crystal molecule, and a light emitting module provided along a side surface of the second transparent substrate. At least one of the first substrate and the second substrate includes first light-shielding portions arranged in a first direction. When a width of each of the first light-shielding portions in the first direction is defined as Lx, and an interval of the adjacent first light-shielding portions in the first direction is defined as Sx, a duty ratio Dx shown by Lx/(Sx+Lx) is less than or equal to 0.2.

公开(公告)号：US20220381972A1

公开(公告)日：2022-12-01

申请号：US17884975

申请日：2022-08-10

Applicant: Japan Display Inc.

Inventor： Yudai NUMATA ,  Kentaro OKUYAMA

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

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：US20220317498A1

公开(公告)日：2022-10-06

申请号：US17656475

申请日：2022-03-25

Applicant: Japan Display Inc.

Inventor： Koji KITAMURA ,  Yoshihide OHUE ,  Kentaro OKUYAMA ,  Hiroya MORIMOTO ,  Masato KESHO

IPC: G02F1/1339

Abstract: A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal the liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The liquid crystal supply portion is provided along one side of the peripheral region. The peripheral region includes a first peripheral region located between the display region and the sealing portion. An insulating film is removed in the first peripheral region. In the first peripheral region, a plurality of second spacer members and a plurality of third spacer members to support the plurality of second spacer members are provided.

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：US20220091459A1

公开(公告)日：2022-03-24

申请号：US17542678

申请日：2021-12-06

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA

IPC: G02F1/1333 ,  G02F1/1339 ,  G02F1/1334

Abstract: According to one embodiment, a display device includes a display panel including a display area and a non-display, a frame that surrounds a peripheral portion of the display panel and exposes a part of the non-display area and the display area, and a light emitting element overlapping the frame. The display panel includes a first transparent substrate, a second transparent substrate including a side surface facing the light emitting element, and a liquid crystal layer provided between the first transparent substrate and the second transparent substrate and containing a polymer and a liquid crystal molecule. The part of the non-display area is located between the frame and the display area in planar view.