公开(公告)号：US20210091260A1

公开(公告)日：2021-03-25

申请号：US17029695

申请日：2020-09-23

Applicant: Japan Display Inc.

Inventor： Akihiro OGAWA

IPC: H01L33/00 ,  H01L21/66 ,  H01L25/075 ,  H01L27/12 ,  H01L33/62

Abstract: A method for repairing a display device, the display device including a plurality of inorganic light emitting elements arranged in a matrix and an insulator arranged around the plurality of inorganic light emitting elements, the method comprising steps of: detecting a defective inorganic light emitting element as the inorganic light emitting element having a defect; removing the insulator around the defective inorganic light emitting element while the defective inorganic light emitting element remains without being removed by irradiating the insulator around the defective inorganic light emitting element with irradiation light; and removing the defective inorganic light emitting element after the insulator therearound has been removed.

公开(公告)号：US20210057483A1

公开(公告)日：2021-02-25

申请号：US16990457

申请日：2020-08-11

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yoshinori AOKI ,  Akihiro OGAWA ,  Yasuhiro KANAYA

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/48

Abstract: A display device comprises: a substrate; a plurality of pixels provided to the substrate; and a plurality of light emitting elements provided to the respective pixels. The light emitting elements include a plurality of first light emitting elements, a plurality of second light emitting elements, and a plurality of third light emitting elements, the first light emitting elements are arrayed on the substrate in a first direction and a second direction, the third light emitting element has a part not overlapping the first light emitting element or the second light emitting element when one of the pixels is viewed in the first direction, and the third light emitting element has a part not overlapping the first light emitting element or the second light emitting element when one of the pixels is viewed in the second direction.

公开(公告)号：US20200350438A1

公开(公告)日：2020-11-05

申请号：US16930744

申请日：2020-07-16

Applicant: Japan Display Inc.

Inventor： Akihiro OGAWA

IPC: H01L29/786

Abstract: A thin film transistor (TFT) substrate includes: a first gate line and a second gate line extending in a first direction; a signal line intersecting with the first gate line and the second gate line in a plan view; a semiconductor film coupled to the signal line; a drain electrode coupled to the semiconductor film; a planarizing film covering the signal line and the drain electrode; and a pixel electrode coupled to the drain electrode. The semiconductor film comprises a first linear portion extending parallel to the first gate line and a second linear portion extending parallel to the second gate line. The first and second gate lines are located between the first and second linear portions in the plan view. A first contact hole of the planarizing film coupling the drain electrode to the pixel electrode is located between the first and second gate lines in the plan view.

公开(公告)号：US20240249673A1

公开(公告)日：2024-07-25

申请号：US18628096

申请日：2024-04-05

Applicant: Japan Display Inc.

Inventor： Akihiro OGAWA

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2320/0626

Abstract: A display device includes a display area where an image is displayed, and a plurality of pixels arrayed in a matrix in the display area. Each of the plurality of pixels includes a first light source, a second light source, and a first drive circuit controlling operations of the first light source and the second light source. The first drive circuit turns off the second light source when turning on the first light source, and turns off the first light source when turning on the second light source.

公开(公告)号：US20230157075A1

公开(公告)日：2023-05-18

申请号：US18098740

申请日：2023-01-19

Applicant: Japan Display Inc.

Inventor： Yoshinori AOKI ,  Akihiro OGAWA ,  Masanobu IKEDA

IPC: H10K59/121 ,  H10K59/126 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/126 ,  H10K59/131

Abstract: According to one embodiment, a display device comprises an insulating base, a light-emitting element, a pixel circuit including a first transistor, and a first shield that shields a part of the pixel circuit from light. The first transistor includes a first semiconductor layer, and a first gate electrode between the insulating base and the first semiconductor layer. The first shield is disposed between the insulating base and the first gate electrode in the thickness direction and overlaps a channel region where the first semiconductor layer and the first gate electrode intersect.

公开(公告)号：US20230058005A1

公开(公告)日：2023-02-23

申请号：US17980050

申请日：2022-11-03

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Akihiro OGAWA

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1345

Abstract: A performance of a display apparatus is improved. A display apparatus has a display region, a transparent region and a frame region. The display apparatus includes a plurality of scan signal lines extending in an X direction in the display region and a plurality of image signal lines extending in a Y direction in the display region. The plurality of image signal lines include a first wiring (image signal line) and a second wiring (image signal line). The first wiring includes a first bypass wiring portion arranged in the frame region and a first extension wiring portion connected to an end of the first bypass wiring portion and extending in the Y direction. The second wiring includes a second bypass wiring portion arranged in the frame region and a second extension wiring portion connected to an end of the second bypass wiring portion and extending in the Y direction. In a plan view, the first wiring and the second wiring intersect with each other at the frame region.

公开(公告)号：US20220005833A1

公开(公告)日：2022-01-06

申请号：US17447958

申请日：2021-09-17

Applicant: Japan Display Inc.

Inventor： Yoshinori AOKI ,  Yasuhiro KANAYA ,  Akihiro OGAWA

IPC: H01L27/12 ,  H01L25/16

Abstract: According to one embodiment, a display device includes a display panel including a display area for displaying an image, and the display panel includes an insulating substrate, a first electrode, a first organic insulating layer, an inorganic insulating layer, a pixel electrode, a second organic insulating layer, and a pad portion. The inorganic insulating layer includes a first opening for electrically connecting the first electrode to the pixel electrode. The second organic insulating layer includes a second opening for electrically connecting the pixel electrode to the pad portion. The pixel electrode is formed of a transparent conductive material.

公开(公告)号：US20200319522A1

公开(公告)日：2020-10-08

申请号：US16910236

申请日：2020-06-24

Applicant: Japan Display Inc.

Inventor： Hirotaka HAYASHI ,  Akihiro OGAWA

IPC: G02F1/1676 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/167 ,  G02F1/1343

Abstract: According to an aspect, a substrate includes an insulating base material, a pixel electrode provided on one surface side of the base material, a common electrode provided between the base material and the pixel electrode. All sides on an outer periphery of the common electrode are located inside the pixel electrode in a plan view.

公开(公告)号：US20200271976A1

公开(公告)日：2020-08-27

申请号：US16795587

申请日：2020-02-20

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Akihiro OGAWA

IPC: G02F1/1339 ,  G02F1/1345 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display area, a second area adjacent to the first area, and an organic insulating layer formed over the first area and the second area. The second substrate includes a substrate end located in a border between the first area and the second area, and overlaps the first area. The organic insulating layer includes a first groove portion surrounding the display area and formed in a circular shape along an outline of the first substrate. The first groove portion includes a first sidewall and a second sidewall. The first and second sidewalls intersect the substrate end in a plan view.