公开(公告)号：US12105388B2

公开(公告)日：2024-10-01

申请号：US18509920

申请日：2023-11-15

Applicant: Japan Display Inc.

Inventor： Akihiro Hanada ,  Takuo Kaitoh ,  Tomoyuki Ito ,  Yoshinori Tanaka

IPC: G02F1/1333 ,  G02F1/13357 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/133345 ,  G02F1/133365 ,  G02F1/133615 ,  G02F1/134309 ,  G02F1/1368

Abstract: A display device includes a wiring region including a gate wiring, a source wiring intersecting the gate wiring, and a first insulating layer between the gate wiring and the source wiring and an opening region including a pixel electrode on the first insulating layer and adjacent to the wiring region. The first insulating layer includes a first oxide insulating layer and a first nitride insulating layer, the first oxide insulating layer is disposed over the wiring region and the opening region, the first nitride insulating layer is disposed in the wiring region and includes a first opening overlapping the opening region, and the pixel electrode overlaps the first opening.

公开(公告)号：US11966115B1

公开(公告)日：2024-04-23

申请号：US18490253

申请日：2023-10-19

Applicant: Japan Display Inc.

Inventor： Yoshinori Tanaka ,  Keita Ono ,  Keiji Tago

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

CPC classification number: G02F1/133524 ,  G02B6/0076 ,  G02F1/133615

Abstract: Used is a display device including: a first substrate having a first front surface and a first back surface located on an opposite side of the first front surface; a second substrate having a second back surface opposing the first front surface and a second front surface located on an opposite side of the second back surface; a liquid crystal layer arranged between the first front surface of the first substrate and the second back surface of the second substrate; a first light guide plate adhesively fixed onto the second front surface of the second substrate via a first adhesive layer; and a light source unit arranged at a position opposing a first side surface of the first light guide plate, in which refractive index of the first light guide plate is lower than refractive index of the first adhesive layer.

公开(公告)号：US12032256B2

公开(公告)日：2024-07-09

申请号：US18448437

申请日：2023-08-11

Applicant: Japan Display Inc.

Inventor： Takuo Kaitoh ,  Akihiro Hanada ,  Yoshinori Tanaka

IPC: G02F1/1362

CPC classification number: G02F1/136286

Abstract: A display device includes a first substrate, a gate wiring on the first substrate, a first insulating layer on the gate wiring, a source wiring on the first insulating layer and intersecting the gate wiring, a second insulating layer on the source wiring, a pixel electrode on the second insulating layer; and a first buffer layer between the first substrate and the first insulating layer. A refractive index of the first buffer layer is higher than a refractive index of the first substrate, at an interface between the first buffer layer and the first substrate, and the refractive index of the first buffer layer is lower than a refractive index of the first insulating layer, at an interface between the first buffer layer and the first insulating layer.

公开(公告)号：US12158661B2

公开(公告)日：2024-12-03

申请号：US18502178

申请日：2023-11-06

Applicant: Japan Display Inc.

Inventor： Akihiro Hanada ,  Takuo Kaitoh ,  Ryo Onodera ,  Tomoyuki Ito ,  Yoshinori Tanaka

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

Abstract: A display device includes a first nitride insulating film arranged on a first substrate, a gate electrode arranged along a first direction on the first nitride insulating film, a second nitride insulating film arranged on the gate electrode, a first oxide insulating film arranged on the second nitride insulating film, and an oxide semiconductor layer arranged on the first oxide insulating film, wherein the gate electrode has a first titanium layer, an aluminum layer, and a second titanium layer stacked in order from the first nitride insulating film side, and a thickness of the second titanium layer is greater than a thickness of the first titanium layer.

公开(公告)号：US12253712B2

公开(公告)日：2025-03-18

申请号：US18613218

申请日：2024-03-22

Applicant: Japan Display Inc.

Inventor： Yoshinori Tanaka ,  Keita Ono

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

Abstract: According to one embodiment, an illumination device emits light toward a display panel and includes a transparent substrate having a first main surface opposed to the display panel, a second main surface on a side opposite to the first main surface, and a first side surface connecting the first main surface with the second main surface, and a light source emitting light toward the first side surface. The first side surface has a first intersection surface intersecting a thickness direction from the first main surface to the second main surface.