公开(公告)号：US20230324749A1

公开(公告)日：2023-10-12

申请号：US18208489

申请日：2023-06-12

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Koshiro MORIGUCHI

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/1368

Abstract: A display device includes a display area, a frame area surrounding the display area, a plurality of pixel circuit in the display area, a peripheral circuit in the frame area, and wirings connecting the pixel circuit and the peripheral circuit, wherein the peripheral circuit incudes a plurality of switch circuits along a direction away from the display area, a plurality of relay electrodes between the display area and the plurality of switch circuits, and a plurality of connecting wirings connecting each of the plurality of relay electrodes and each of the plurality of switch circuits, and the plurality of relay electrodes is connected to the wirings, and one of the plurality of connecting wirings connecting one of the plurality of switch circuits and one of the plurality of relay electrodes intersects at least one of the other plurality of switch circuits in a plan view.

公开(公告)号：US20220404655A1

公开(公告)日：2022-12-22

申请号：US17843130

申请日：2022-06-17

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Gen KOIDE

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

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：US20220326579A1

公开(公告)日：2022-10-13

申请号：US17716342

申请日：2022-04-08

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Seiji UEJIMA

IPC: G02F1/1362 ,  G02F1/1335 ,  G02F1/1343

Abstract: A display device includes a first substrate, a plurality of pixels on the first substrate, a first light shielding layer on the first substrate, a second substrate, and a second light shielding layer on the second substrate. The first light shielding layer extends in the first direction, the second light shielding layer extends in a second direction intersecting the first direction, and apertures of the plurality of pixels are defined by the first light shielding layer and the second light shielding layer.

公开(公告)号：US20220308379A1

公开(公告)日：2022-09-29

申请号：US17704211

申请日：2022-03-25

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI ,  Koshiro MORIGUCHI

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

Abstract: A display device includes a first transistor provided with an oxide semiconductor layer, a first gate wiring facing the oxide semiconductor layer and a first gate insulating layer between the oxide semiconductor layer and the first gate wiring, a first transparent conductive layer provided on at least a first insulating layer on the first transistor, the first transparent conductive layer having an area overlapping the gate wiring and being in contact with the oxide semiconductor layer in a first contact area not overlapping the gate wiring, a second transparent conductive layer provided above at least a second insulating layer on the first transparent conductive layer and being in contact with the first transparent conductive layer at a second contact area overlapping the gate wiring, and a third transparent conductive layer provided between the second transparent conductive layer and the second insulating layer.

公开(公告)号：US20220308378A1

公开(公告)日：2022-09-29

申请号：US17704161

申请日：2022-03-25

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI

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

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：US20210116762A1

公开(公告)日：2021-04-22

申请号：US17132756

申请日：2020-12-23

Applicant: Japan Display Inc.

Inventor： Mitsufumi SOGABE ,  Yoshitaka OZEKI ,  Nobutaka OZAKI

IPC: G02F1/1343 ,  G02F1/1362

Abstract: A display device is provided and includes first signal line between first and second pixel areas in first direction; first switching element in first pixel area, first switching element including first relay electrode in first pixel area; second switching element in second pixel area, second switching element including second relay electrode in second pixel area; first pixel electrode in the first pixel area; and second pixel electrode in second pixel area, wherein first pixel electrode includes first connector, second pixel electrode includes second connector, first and second connectors are arranged in first direction with first signal line interposed therebetween, gap width between first connector and first signal line is different from gap width between first signal line and second connector, and gap width between first relay electrode and first signal line is different from gap width between first signal line and second relay electrode.

公开(公告)号：US20210026215A1

公开(公告)日：2021-01-28

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

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：US20250068020A1

公开(公告)日：2025-02-27

申请号：US18948780

申请日：2024-11-15

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI

IPC: G02F1/1362 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a first substrate and a second substrate opposed to the first substrate. The first substrate includes an insulating substrate, a switching element located on the insulating substrate and having a relay electrode, an organic insulating film covering the switching element and having a first through-hole penetrating to the relay electrode, a pixel electrode being in contact with the relay electrode via the first through-hole, a first capacitance insulating film covering the pixel electrode, a filler having an insulation property filled in at least the first through-hole and located on the pixel electrode and the first capacitance insulating film, and a common electrode covering the filler.

公开(公告)号：US20240264500A1

公开(公告)日：2024-08-08

申请号：US18428904

申请日：2024-01-31

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI

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

CPC classification number: G02F1/136227 ,  G02F1/1368 ,  H01L27/1248

Abstract: Disclosed is a display device including a substrate and a plurality of pixels over the substrate. At least one of the plurality of pixels includes a driving transistor and a liquid crystal element electrically connected to the driving transistor. The liquid crystal element has a pixel electrode, an interelectrode insulating film, a common electrode, an inorganic insulating film, a first orientation film, a liquid crystal layer, and a second orientation film. The interelectrode insulating film is located over the pixel electrode. The common electrode is located over the interelectrode insulating film and has a slit overlapping the pixel electrode. The inorganic insulating film is located over the common electrode. The first orientation film is located over the inorganic insulating film. The liquid crystal layer is located over the first orientation film. The second orientation film is located over the liquid crystal layer.

公开(公告)号：US20240145484A1

公开(公告)日：2024-05-02

申请号：US18379876

申请日：2023-10-13

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI

IPC: H01L27/12 ,  G02F1/1362

CPC classification number: H01L27/1225 ,  G02F1/136209 ,  H01L27/124 ,  H01L27/1248

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 including a transistor, a first wiring arranged over the transistor and electrically connected to the transistor, a first transparent conductive layer arranged over the first wiring and electrically connected to the transistor, a first insulating layer arranged on the first transparent conductive layer, and having a contact hole, and a second transparent conductive layer arranged on the first insulating layer and electrically connected to the first transparent conductive layer via the contact hole.