公开(公告)号：US12169342B2

公开(公告)日：2024-12-17

申请号：US17510553

申请日：2021-10-26

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：US12153319B2

公开(公告)日：2024-11-26

申请号：US18490083

申请日：2023-10-19

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：US12164204B2

公开(公告)日：2024-12-10

申请号：US18428904

申请日：2024-01-31

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Nobutaka Ozaki

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

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：US11829042B2

公开(公告)日：2023-11-28

申请号：US18068310

申请日：2022-12-19

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 ,  G02F1/13606 ,  G02F1/136286 ,  H01L27/124 ,  H01L27/1225

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：US11500250B2

公开(公告)日：2022-11-15

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：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：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：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：US20190081085A1

公开(公告)日：2019-03-14

申请号：US16124510

申请日：2018-09-07

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Nobutaka Ozaki ,  Koshiro Moriguchi ,  Takahiro Takeuchi ,  Koji Ishizaki

IPC: H01L27/12 ,  G09G3/34 ,  H01L27/32 ,  G02F1/1368 ,  G02F1/1333 ,  G02F1/167

Abstract: According to one embodiment, there is provided a display device including a basement, a first switching element which is provided on the basement and includes a first semiconductor layer and a first gate electrode, a second switching element which is provided on the basement and includes a second semiconductor layer and a second gate electrode, and a pixel electrode which is electrically connected to the first switching element. A distance between the first semiconductor layer and the first gate electrode is greater than a distance between the second semiconductor layer and the second gate electrode.

公开(公告)号：US11664385B2

公开(公告)日：2023-05-30

申请号：US17954475

申请日：2022-09-28

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Nobutaka Ozaki ,  Koshiro Moriguchi

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

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