公开(公告)号：US12181763B2

公开(公告)日：2024-12-31

申请号：US17843130

申请日：2022-06-17

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Gen Koide

IPC: G02F1/1368 ,  G02F1/1362 ,  G09G3/36 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes: a first transistor provided with an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate electrode; a first transparent conductive layer above the first transistor; a second transparent conductive layer above the first transparent conductive layer, the second transparent conductive layer being isolated from the first transparent conductive layer and facing the first transparent conductive layer; and a third transparent conductive layer above the second transparent conductive layer, the third transparent conductive layer being isolated from the second transparent conductive layer, being connected to the first transparent conductive layer and facing the second transparent conductive layer.

公开(公告)号：US11906870B2

公开(公告)日：2024-02-20

申请号：US17071088

申请日：2020-10-15

Applicant: Japan Display Inc.

Inventor： Koji Ishizaki ,  Yoshitaka Ozeki ,  Takahiro Takeuchi ,  Koshiro Moriguchi ,  Tomoyasu Hirano

IPC: G02F1/167 ,  G02F1/16766 ,  G02F1/16756 ,  G02F1/16757 ,  G02F1/1675

CPC classification number: G02F1/16766 ,  G02F1/167 ,  G02F1/16756 ,  G02F1/16757 ,  G02F2001/1678

Abstract: According to one embodiment, a display device includes a first conductive layer, a second conductive layer overlapping the first conductive layer, a first capacitive portion located in a same layer as the first conductive layer, a second capacitive portion located in a same layer as the second conductive layer and overlapping the first capacitive portion, a first inorganic insulating film located between the first conductive layer and the second conductive layer and between the first capacitive portion and the second capacitive portion, a drain electrode electrically connected to the second capacitive portion, a pixel electrode electrically connected to the drain electrode.

公开(公告)号：US11774820B2

公开(公告)日：2023-10-03

申请号：US17674364

申请日：2022-02-17

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Gen Koide ,  Nobutaka Ozaki ,  Koshiro Moriguchi

IPC: G02F1/1368 ,  G02F1/1343 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786 ,  G02F1/1333

CPC classification number: G02F1/1368 ,  G02F1/134309 ,  G02F1/136209 ,  G02F1/136286 ,  H01L27/124 ,  H01L27/1225 ,  H01L29/7869 ,  H01L29/78633 ,  G02F1/13439 ,  G02F1/133308

Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a first gate insulation layer between the oxide semiconductor layer and the first gate electrode, a first transparent conductive layer in contact with the oxide semiconductor layer in a first contact area not overlapping the first gate electrode in a plan view, and a second transparent conductive layer connected to the first transparent conductive layer in a second contact area overlapping the first gate electrode in a plan view and provided in a display area of the pixel.

公开(公告)号：US20220262838A1

公开(公告)日：2022-08-18

申请号：US17734206

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Seiji Uejima

IPC: H01L27/146

Abstract: According to one embodiment, a detection device includes a substrate, a photoelectric conversion element provided on the substrate and including a semiconductor layer, a transistor provided to correspond to the photoelectric conversion element, a support substrate, and a color filter being a green color filter and supported by the support substrate, wherein the color filter overlaps the photoelectric conversion element.

公开(公告)号：US11126052B2

公开(公告)日：2021-09-21

申请号：US16227078

申请日：2018-12-20

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Gen Koide ,  Nobutaka Ozaki

IPC: G02F1/1362 ,  G02F1/1368 ,  H01L29/786 ,  H01L29/66 ,  H01L27/32

Abstract: According to an aspect, an array substrate includes: a substrate; a light-shielding layer; a first gate electrode; a semiconductor layer; a signal line; and an electrode. A first surface of the substrate is provided with, in sequence, the light-shielding layer, the first gate electrode, the semiconductor layer, the signal line, and the electrode. The semiconductor layer includes a first impurity region electrically coupled to the electrode, a first channel region overlapping the first gate electrode, a second impurity region opposite to the first impurity region with respect to the first channel region, and a first lightly doped drain region between the first impurity region and the first channel region. The light-shielding layer has a first end and a second end opposite to each other. The first end overlaps the first channel region. The light-shielding layer overlaps a boundary between the first channel region and the first lightly doped drain region.

公开(公告)号：US09891479B2

公开(公告)日：2018-02-13

申请号：US14602604

申请日：2015-01-22

Applicant: Japan Display Inc.

Inventor： Seiji Uejima ,  Hidemasa Yamaguchi ,  Yoshitaka Ozeki ,  Takeyuki Tsuruma ,  Kenta Seki ,  Toshiaki Fukushima

IPC: G02F1/1343

CPC classification number: G02F1/134309 ,  G02F2001/134372

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first line, a second line, a switching element, a common electrode, an insulating film disposed on the common electrode, a pixel electrode connected with the switching element and opposed to the common electrode with the insulating film interposed therebetween, and a first alignment film covering the pixel electrode. The second substrate includes a second alignment film. And the pixel electrode includes one main pixel electrode extending in a belt shape in a pixel area defined by the first line and the second line.

公开(公告)号：US12243889B2

公开(公告)日：2025-03-04

申请号：US17734200

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Seiji Uejima ,  Hiroyuki Watabe

IPC: H01L27/146 ,  H01L31/105

Abstract: According to one embodiment, a detection device includes a substrate, a photoelectric conversion element provided on the substrate and including a semiconductor layer, a transistor provided to correspond to the photoelectric conversion element, and a green color filter provided above the photoelectric conversion element.

公开(公告)号：US12015032B2

公开(公告)日：2024-06-18

申请号：US18136693

申请日：2023-04-19

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Nobutaka Ozaki ,  Koshiro Moriguchi

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: H01L27/1225 ,  G02F1/136213 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/124 ,  G02F1/133345 ,  G02F1/133357 ,  G02F1/134309

Abstract: A display device includes a first transistor having an oxide semiconductor layer, a gate wiring opposite the oxide semiconductor layer, a gate insulating layer between the semiconductor layer and the gate wiring, a first insulating layer including at least one insulating layer having a first contact hole outside the gate wiring, a planarization film having a second contact hole overlapping the first contact hole, a first transparent conductive layer including an area overlapping the gate wiring, a second insulating layer covering a side of the second contact hole, a second transparent conductive layer in contact with the oxide semiconductor layer through the first and second contact hole, a first resin filling the first and second contact hole coated by the second transparent conductive layer, and a third transparent conductive layer on the second transparent conductive layer and the first resin.

公开(公告)号：US12001108B2

公开(公告)日：2024-06-04

申请号：US18215958

申请日：2023-06-29

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki

IPC: G02F1/1368 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  H01L27/12 ,  H01L29/786

CPC classification number: G02F1/1368 ,  G02F1/133345 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/136209 ,  H01L27/1225 ,  H01L27/124 ,  H01L29/78633 ,  H01L29/7869 ,  G02F2201/52

Abstract: A display device includes a plurality of pixels arranged in a matrix on a substrate along a first direction and a second direction intersecting the first direction. Each of the plurality of pixels includes a transistor, a first transparent electrode located over the transistor and electrically connected to the transistor, a second transparent electrode located over the first transparent electrode and electrically connected to the first transparent electrode via an opening, an insulating layer located over the second transparent electrode, a third transparent electrode located over the insulating layer; and a metal layer in contact with the third transparent electrode. The opening overlaps a gate electrode of the transistor. At least a part of the metal layer is provided in the opening and overlaps the gate electrode. The metal layer extends along the first direction and is commonly provided in the pixels arranged in the first direction.

公开(公告)号：US11635663B2

公开(公告)日：2023-04-25

申请号：US17390328

申请日：2021-07-30

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki

IPC: G02F1/1368 ,  G02F1/1362 ,  G02F1/167 ,  H01L29/417 ,  H01L29/423

Abstract: According to one embodiment, a display device includes a display panel and a drive circuit. A transistor provided in a pixel portion or a peripheral portion of the display panel includes a semiconductor layer having a first end and a second end, first and second gate electrodes overlapping the semiconductor layer, a source electrode connected to the first end, and a drain electrode connected to the second end. The first and second gate electrodes are disposed in a first layer. The source electrode and the drain electrode are disposed in a second layer. The source electrode is formed to cover at least a first channel region in planar view. The drain electrode is formed to cover at least a second channel region in planar view.