公开(公告)号：US20220320472A1

公开(公告)日：2022-10-06

申请号：US17656888

申请日：2022-03-29

Applicant: Japan Display Inc.

Inventor： Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: H01L51/52

Abstract: According to one embodiment, a display device includes a base, a wiring layer disposed on the base, and in which a plurality of wiring lines are disposed, a display element disposed on the wiring layer and including an organic layer and a metal wiring line disposed to surround the display element, and the wiring layer includes a first portion in which wiring lines are densely arranged and a second portion in which wiring lines are sparsely arranged, and a width of a portion of the metal wiring line, which is disposed on a side of the second portion is greater than a width of a portion of the metal wiring line, disposed on a side of the first portion.

公开(公告)号：US20240341152A1

公开(公告)日：2024-10-10

申请号：US18592579

申请日：2024-03-01

Applicant: Japan Display Inc.

Inventor： Ryota TAKASAKI ,  Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hiroshi TABATAKE ,  Takashi TSUCHIYA

IPC: H10K59/80

CPC classification number: H10K59/80515 ,  H10K59/80521

Abstract: According to one embodiment, a mother substrate includes panel portions, a margin portion, and a first partition provided in the margin portion. The first partition includes a first lower portion including an annular side surface, and a first upper portion provided on the first lower portion and including an annular protrusion which protrudes from the side surface. An inner circumferential portion includes, in plan view, a plurality of linear portions and a plurality of corner portions each connecting the adjacent two linear portions. In the linear portions, the side surface and an end portion of the protrusion linearly extend. In the corner portions, the side surface and the end portion of the protrusion are formed into an arcuate shape.

公开(公告)号：US20240196693A1

公开(公告)日：2024-06-13

申请号：US18509351

申请日：2023-11-15

Applicant: Japan Display Inc.,

Inventor： Sho YANAGISAWA ,  Ryota TAKASAKI ,  Naoya IWAHASHI ,  Hiroshi TABATAKE ,  Kazuyuki HARADA

IPC: H10K59/80

CPC classification number: H10K59/80515 ,  H10K59/80521

Abstract: According to one embodiment, a display device includes an organic insulating layer, a lower electrode, a rib, a partition including a lower portion and an upper portion protruding from a side surface of the lower portion, an organic layer provided on the lower electrode, an upper electrode, and a terminal electrode. The organic insulating layer comprises a first aperture from which the terminal electrode is exposed. The rib includes a second aperture from which the terminal electrode is exposed. The second aperture is larger than the first aperture in plan view. The organic insulating layer exposed from the rib between the first aperture and the second aperture has a frame-like shape.

公开(公告)号：US20240172511A1

公开(公告)日：2024-05-23

申请号：US18504200

申请日：2023-11-08

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA

IPC: H10K59/131

CPC classification number: H10K59/1315

Abstract: A display device includes a plurality of transistors having an oxide semiconductor layer, a first terminal electrically connected to the plurality of transistors, a second terminal electrically connected to the plurality of transistors and adjacent to the first terminal, a first wiring electrically connected to the plurality of transistors and the first terminal and located between the plurality of transistors and the first terminal, and a second wiring electrically connected to the plurality of transistors and the second terminal and located between the plurality of transistors and the second terminal, wherein the first wiring is formed of a metallic material, and the second wiring includes an oxide conductive layer having the same composition as the oxide semiconductor layer.

公开(公告)号：US20240103662A1

公开(公告)日：2024-03-28

申请号：US18534745

申请日：2023-12-11

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI ,  Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: G06F3/041 ,  H10K59/131 ,  H10K59/80

CPC classification number: G06F3/04164 ,  G06F3/0412 ,  H10K59/131 ,  H10K59/873 ,  G06F3/0446

Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

公开(公告)号：US20220157900A1

公开(公告)日：2022-05-19

申请号：US17455042

申请日：2021-11-16

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Tetsuo MORITA ,  Kenji HARADA ,  Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: H01L27/32

Abstract: According to one embodiment, a display device includes a base, a first insulating layer, a first pixel electrode on the first insulating layer in a pixel, a second pixel electrode on the first insulating layer in a dummy pixel, a second insulating layer on the first insulating layer, a first organic layer in the pixel and in contact with the first pixel electrode, a second organic layer in the dummy pixel, a partition wall on the second insulating layer and between the organic layers and a common electrode covering the organic layers and the partition wall. An end portion of the first organic layer is in contact with a side surface of the partition wall.

公开(公告)号：US20220157899A1

公开(公告)日：2022-05-19

申请号：US17451502

申请日：2021-10-20

Applicant: Japan Display Inc.

Inventor： Sho YANAGISAWA ,  Tetsuo MORITA ,  Kenji HARADA ,  Hiroshi TABATAKE ,  Hideyuki TAKAHASHI

IPC: H01L27/32

Abstract: According to one embodiment, a display device includes a substrate, first and second insulating layers, first and second pixel electrodes, first and second organic layers, first and second feed lines, first and second partitions, and a common electrode including first and second parts covering the first and second organic layers. The first organic layer is between the partitions. The second feed line and the second partition are located between the organic layers. The partitions are shaped such that a width of an upper part is greater than a width of a lower part. The first part is in contact with the first feed line between the first partition and the first organic layer.

公开(公告)号：US20250068273A1

公开(公告)日：2025-02-27

申请号：US18941296

申请日：2024-11-08

Applicant: Japan Display Inc.

Inventor： Hideyuki TAKAHASHI ,  Hiroshi TABATAKE ,  Sho YANAGISAWA

IPC: G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  H10K59/80

Abstract: Provided is a display device including a first dam surrounding the display area, a second dam surrounding the first dam, a first sensor electrode and a second sensor electrode overlapping the display area, a first sensor wiring and a second sensor wiring over the first dam and electrically connected to the first sensor electrode and the second sensor electrode, respectively, a first wiring under the second dam and electrically connected to the first sensor wiring at a first contact portion, and a second wiring under the second dam and electrically connected to the second sensor wiring at a second contact portion.

公开(公告)号：US20240389400A1

公开(公告)日：2024-11-21

申请号：US18650153

申请日：2024-04-30

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Ryota TAKASAKI ,  Sho YANAGISAWA ,  Kazumi IIZAWA

IPC: H10K59/122 ,  H10K59/12 ,  H10K71/16 ,  H10K71/20 ,  H10K71/60

Abstract: According to one embodiment, a display device includes an organic insulating layer provided over a display area and a surrounding area, a lower electrode provided on the organic insulating layer in the display area, an organic layer provided on the lower electrode and including a light emitting layer, an upper electrode provided on the organic layer, a first partition provided in the surrounding area and having a first lower portion and a first upper portion which is provided on the first lower portion and protrudes from a side surface of the first lower portion, and a metal layer provided in the surrounding area and overlapping an aperture of the organic insulating layer. The first partition is provided in the aperture.

公开(公告)号：US20240365600A1

公开(公告)日：2024-10-31

申请号：US18625235

申请日：2024-04-03

Applicant: Japan Display Inc.

Inventor： Naoya IWAHASHI ,  Sho YANAGISAWA ,  Hideyuki TAKAHASHI

IPC: H10K59/122

CPC classification number: H10K59/122

Abstract: According to one embodiment, a display device includes a substrate, an organic insulating layer provided over a display area and a surrounding area above the substrate, a lower electrode provided on the organic insulating layer in the display area, an organic layer provided on the lower electrode and including a light emitting layer, an upper electrode provided on the organic layer, and a first partition provided in the surrounding area and including a first lower portion and a first upper portion which is provided on the first lower portion and protrudes from a side surface of the first lower portion. The organic insulating layer includes a removed portion along an outer edge of the substrate in the surrounding area. The first partition is provided in the removed portion.