公开(公告)号：US20230205020A1

公开(公告)日：2023-06-29

申请号：US18176627

申请日：2023-03-01

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Seiji UEJIMA ,  Nobutaka OZAKI

IPC: G02F1/1343 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1333

CPC classification number: G02F1/1343 ,  G02F1/133345 ,  G02F1/136286 ,  G09G3/36

Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.

公开(公告)号：US20230389370A1

公开(公告)日：2023-11-30

申请号：US18202403

申请日：2023-05-26

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI

IPC: H10K59/126 ,  G09G3/36 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/126 ,  G09G3/36 ,  H10K59/1201 ,  H10K59/80524 ,  G09G2300/0842

Abstract: A display device includes: an oxide semiconductor layer; a gate electrode facing the oxide semiconductor layer; a gate insulating layer between the oxide semiconductor layer and the gate electrode; a light-shielding layer overlapping part of the oxide semiconductor layer in a plan view; a first insulating layer covering the oxide semiconductor layer, the gate electrode, and the gate insulating layer, the first insulating layer including a first opening including a first side wall overlapping the light-shielding layer and a second side wall not overlapping the light-shielding layer in a plan view; and a transparent conductive layer arranged above the first insulating layer and connected to the oxide semiconductor layer via the first opening. The transparent conductive layer is arranged in an area overlapping the first side wall and is not arranged in at least part in an area overlapping the second side wall in a plan view.

公开(公告)号：US20200333646A1

公开(公告)日：2020-10-22

申请号：US16921213

申请日：2020-07-06

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Seiji UEJIMA ,  Nobutaka OZAKI

IPC: G02F1/1343 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1333

Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.

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：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：US20250044657A1

公开(公告)日：2025-02-06

申请号：US18925685

申请日：2024-10-24

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI ,  Koshiro MORIGUCHI

IPC: G02F1/1368 ,  G02F1/136 ,  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：US20240045295A1

公开(公告)日：2024-02-08

申请号：US18490083

申请日：2023-10-19

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI ,  Koshiro MORIGUCHI

IPC: G02F1/1368 ,  H01L27/12 ,  G02F1/1362 ,  G02F1/136

CPC classification number: G02F1/1368 ,  H01L27/1225 ,  G02F1/136286 ,  G02F1/13606 ,  H01L27/124

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：US20240019745A1

公开(公告)日：2024-01-18

申请号：US18372869

申请日：2023-09-26

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Gen KOIDE ,  Nobutaka OZAKI ,  Koshiro MORIGUCHI

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

CPC classification number: G02F1/1368 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/136209 ,  H01L27/124 ,  H01L29/78633 ,  H01L29/7869 ,  H01L27/1225 ,  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 insulatin 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：US20230253411A1

公开(公告)日：2023-08-10

申请号：US18136693

申请日：2023-04-19

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka OZAKI ,  Koshiro MORIGUCHI

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

CPC classification number: H01L27/1225 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/124 ,  G02F1/136213 ,  G02F1/136227 ,  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：US20220308377A1

公开(公告)日：2022-09-29

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

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.