公开(公告)号：US12078557B2

公开(公告)日：2024-09-03

申请号：US17572753

申请日：2022-01-11

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka

IPC: G01L1/14 ,  G06F3/041 ,  G06F3/044

CPC classification number: G01L1/146 ,  G06F3/0414 ,  G06F3/0445 ,  G06F2203/04105

Abstract: According to an aspect, a force sensor includes: a plurality of first electrodes that are arranged along a substrate; an elastic body that is in contact with the first electrodes; a second electrode that is in contact with the elastic body, the elastic body being interposed between the second electrode and the first electrodes; and a third electrode that is provided on the substrate side of the second electrode and configured to be electrically coupled to the second electrode. The elastic body includes a conductive particle that electrically couples the first electrodes and the second electrode when force is applied that causes the first electrodes and the second electrode to be approached. The third electrode has a continuous lattice shape that separates at least the first electrodes adjacent in one direction from each other.

公开(公告)号：US12038653B2

公开(公告)日：2024-07-16

申请号：US17305403

申请日：2021-07-07

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka

IPC: H01L27/12 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  H01L29/417

CPC classification number: G02F1/134309 ,  G02F1/136227 ,  G02F1/1368 ,  H01L27/1225 ,  H01L27/1248 ,  H01L29/41733

Abstract: According to one embodiment, a display device includes a first inorganic insulating film covering an oxide semiconductor layer and a protective metal layer, a second inorganic insulating film covering a gate electrode, a first connection electrode in contact with the protective metal layer at a first opening portion which penetrates through the first inorganic insulating film and the second inorganic insulating film, a first organic insulating film covering the first connection electrode, and a second connection electrode in contact with the first connection electrode at a second opening portion which penetrates through the first organic insulating film, wherein the second opening portion is located above the first opening portion.

公开(公告)号：US11947231B2

公开(公告)日：2024-04-02

申请号：US18323030

申请日：2023-05-24

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka ,  Kazuhide Mochizuki

IPC: G02F1/1368 ,  G02F1/1343 ,  G02F1/136 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786

CPC classification number: G02F1/1368 ,  G02F1/136209 ,  G02F1/136286 ,  H01L27/1225 ,  H01L27/124 ,  H01L29/78633 ,  H01L29/78648 ,  H01L29/7869 ,  G02F1/134363 ,  G02F1/13606 ,  G02F1/136227 ,  G02F1/13685 ,  G02F2202/10

Abstract: According to one embodiment, a display device includes a gate line extending in a first direction, first and second source lines crossing the gate line and arranged in the first direction, a first light-shielding layer having first and second openings, and an oxide semiconductor layer crossing the gate line, and in the display device, the first opening and the second opening are arranged in a second direction crossing the first direction between the first source line and the second source line, the gate line is located between the first opening and the second opening, and the oxide semiconductor layer has a first overlapping portion overlapping the first opening.

公开(公告)号：US11698560B2

公开(公告)日：2023-07-11

申请号：US17698317

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka ,  Kazuhide Mochizuki

IPC: G02F1/1368 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786 ,  G02F1/1343 ,  G02F1/136

CPC classification number: G02F1/1368 ,  G02F1/136209 ,  G02F1/136286 ,  H01L27/124 ,  H01L27/1225 ,  H01L29/7869 ,  H01L29/78633 ,  H01L29/78648 ,  G02F1/13606 ,  G02F1/13685 ,  G02F1/134363 ,  G02F1/136227 ,  G02F2202/10

Abstract: According to one embodiment, a display device includes a gate line extending in a first direction, first and second source lines crossing the gate line and arranged in the first direction, a first light-shielding layer having first and second openings, and an oxide semiconductor layer crossing the gate line, and in the display device, the first opening and the second opening are arranged in a second direction crossing the first direction between the first source line and the second source line, the gate line is located between the first opening and the second opening, and the oxide semiconductor layer has a first overlapping portion overlapping the first opening.

公开(公告)号：US11626520B2

公开(公告)日：2023-04-11

申请号：US16779680

申请日：2020-02-03

Applicant: Japan Display Inc.

Inventor： Masataka Ikeda ,  Hirotaka Hayashi ,  Hitoshi Tanaka

IPC: H01L29/786 ,  H01L27/12 ,  G02F1/16766 ,  H01L49/02 ,  G02F1/167

Abstract: According to one embodiment, a semiconductor substrate includes a first basement, a gate line, a source line, an insulating film, a first pixel electrode, and a first transistor and a second transistor connected parallel at positions between the source line and the first pixel electrode. Each of a first semiconductor layer of the first transistor and a second semiconductor layer of the second transistor includes a first region, a second region, and a channel region. The first semiconductor layer and the second semiconductor layer are in contact with a first surface that is a surface of the insulating film on the source line side. The channel region of each of the first semiconductor layer and the second semiconductor layer wholly overlaps the gate line.

公开(公告)号：US11493812B2

公开(公告)日：2022-11-08

申请号：US17066493

申请日：2020-10-09

Applicant: Japan Display Inc.

Inventor： Isao Suzumura ,  Fumiya Kimura ,  Kazuhide Mochizuki ,  Hitoshi Tanaka ,  Kenichi Akutsu ,  Atsuko Shimada

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1343 ,  H01L27/12

Abstract: According to one embodiment, a display device includes a semiconductor layer, a first insulating layer, a gate electrode, a second insulating layer and a plurality of transparent conductive layers. The transparent conductive layers include a pixel electrode, a first conductive layer and a second conductive layer. The pixel electrode is in contact with the second conductive layer. The second conductive layer is in contact with the first conductive layer. The first conductive layer is brought into contact with a second region of the semiconductor layer through a first contact hole.

公开(公告)号：US10921664B2

公开(公告)日：2021-02-16

申请号：US16357469

申请日：2019-03-19

Applicant: Japan Display Inc.

Inventor： Kazuhide Mochizuki ,  Hitoshi Tanaka

IPC: H01L29/12 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12 ,  G02F1/1345 ,  H01L29/786

Abstract: According to one embodiment, a display device including an insulating substrate, a first gate driver, a first gate line and a conductive material layer is provided. The first gate line has a first end connected to the first gate driver and a second end opposite to the first end, and extends in a first direction. The conductive material layer is located between the insulating substrate and the first gate line, overlaps the first gate line, and extends in the first direction. In the display device, the second end of the first gate line is electrically connected to the conductive material layer.

公开(公告)号：US10534235B2

公开(公告)日：2020-01-14

申请号：US15874199

申请日：2018-01-18

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka ,  Kazuhide Mochizuki

IPC: H01L29/10 ,  G02F1/1368 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786 ,  G02F1/136 ,  G02F1/1343

Abstract: According to one embodiment, a display device includes a gate line extending in a first direction, first and second source lines crossing the gate line and arranged in the first direction, a first light-shielding layer having first and second openings, and an oxide semiconductor layer crossing the gate line, and in the display device, the first opening and the second opening are arranged in a second direction crossing the first direction between the first source line and the second source line, the gate line is located between the first opening and the second opening, and the oxide semiconductor layer has a first overlapping portion overlapping the first opening.

公开(公告)号：US12223922B2

公开(公告)日：2025-02-11

申请号：US18217841

申请日：2023-07-03

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka

IPC: G09G3/36 ,  G09G3/00

Abstract: A display device includes a substrate, a plurality of pixels provided in a display region of the substrate, a plurality of signal lines arrayed alongside each other in a first direction and extending in a second direction intersecting the first direction, a plurality of scanning lines extending in a direction intersecting the signal lines, and a scanning line drive circuit disposed in a peripheral region between an end part of the substrate and the display region and including a plurality of switching elements coupled to the scanning lines. The scanning lines include at least two or more scanning lines having different lengths, and the switching elements have longer channel widths as the scanning lines electrically coupled to the switching elements have longer lengths.

公开(公告)号：US11719573B2

公开(公告)日：2023-08-08

申请号：US17010413

申请日：2020-09-02

Applicant: Japan Display Inc.

Inventor： Hitoshi Tanaka ,  Masahiro Tada ,  Takashi Nakamura ,  Hiroshi Mizuhashi ,  Fumitaka Gotoh ,  Hirofumi Kato

IPC: G01J1/44 ,  H03K17/693 ,  G01K7/16 ,  H03K17/687 ,  H03K19/20 ,  H01L29/786

CPC classification number: G01J1/44 ,  G01K7/16 ,  H03K17/6872 ,  H03K17/693 ,  H03K19/20 ,  H01L29/78633 ,  H01L29/78675

Abstract: Provided are a substrate, an organic material layer provided above the substrate at a position overlapping at least a detection region, a plurality of detection electrodes provided between the substrate and the organic material layer in a direction orthogonal to the substrate, a first switching element provided to each of the detection electrodes, a plurality of gate lines coupled with some first switching elements and extending in a first direction, a plurality of signal lines coupled with some first switching elements and extending in a second direction intersecting the first direction, and a drive circuit configured to supply gate drive signals having potentials determined for the respective gate lines based on a predetermined code to the respective first switching elements through the gate lines.