公开(公告)号：US11714323B2

公开(公告)日：2023-08-01

申请号：US17730326

申请日：2022-04-27

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：US11676972B2

公开(公告)日：2023-06-13

申请号：US17716070

申请日：2022-04-08

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Satoshi Tokura

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

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

Abstract: A display device includes a first transistor. The first transistor includes an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a gate insulating layer between the oxide semiconductor layer and the first gate electrode. The first gate electrode has hydrogen storage properties.

公开(公告)号：US20220328531A1

公开(公告)日：2022-10-13

申请号：US17716070

申请日：2022-04-08

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Satoshi Tokura

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

Abstract: A display device includes a first transistor. The first transistor includes an oxide semiconductor layer, a first gate electrode facing the oxide semiconductor layer and a gate insulating layer between the oxide semiconductor layer and the first gate electrode. The first gate electrode has hydrogen storage properties.

公开(公告)号：US11150524B2

公开(公告)日：2021-10-19

申请号：US16361508

申请日：2019-03-22

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Tadayoshi Katsuta ,  Koji Ishizaki ,  Takahiro Takeuchi ,  Koshiro Moriguchi

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/15 ,  G02F1/1514

Abstract: According to one embodiment, a display device includes a base substrate, a switching element including a semiconductor layer, a power supply line, a pixel electrode electrically connected to the switching element, a capacitance electrode positioned between the base substrate and the pixel electrode and electrically connected to the power supply line, a first interlayer insulating film positioned between the pixel electrode and the capacitance electrode, a common electrode, and an electrophoretic element positioned between the pixel electrode and the common electrode. An edge of the capacitance electrode overlaps the pixel electrode over the entire periphery thereof.

公开(公告)号：US11062111B2

公开(公告)日：2021-07-13

申请号：US16831199

申请日：2020-03-26

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Yoshitaka Ozeki ,  Toshinori Uehara ,  Yuji Suzuki

IPC: G06K9/00

Abstract: According to an aspect, a fingerprint detection device includes: a substrate; a plurality of drive electrodes provided on one surface side of the substrate and arranged in a first direction; and a plurality of detection electrodes provided on the one surface side and arranged in a second direction intersecting the first direction. The detection electrodes intersect the drive electrodes in a normal direction of the substrate. Each of the detection electrodes includes: a plurality of first line portions; a plurality of second line portions extending in a direction intersecting the first line portions; and a plurality of bent portions each connecting one of the first line portions and one of the second line portions adjacent to the one of the first line portions to each other.

公开(公告)号：US12242162B2

公开(公告)日：2025-03-04

申请号：US18648722

申请日：2024-04-29

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki

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

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：US12085812B2

公开(公告)日：2024-09-10

申请号：US18454221

申请日：2023-08-23

Applicant: Japan Display Inc.

Inventor： Morikazu Nomura ,  Yoshitaka Ozeki ,  Toru Kawamura

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/12

CPC classification number: G02F1/13394 ,  G02F1/133512 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/1368 ,  H01L27/124 ,  H01L27/1248 ,  G02F1/133357 ,  G02F1/133514 ,  G02F1/13396 ,  G02F1/134309 ,  G02F1/134372 ,  G02F1/13439 ,  G02F2201/52

Abstract: According to one embodiment, a display device includes a first substrate including a first signal line and a second signal line adjacent to each other along a first direction, an organic insulating film located on the first signal line and the second signal line, and a first spacer located on the organic insulating film and a second substrate opposing the first substrate and including a second spacer opposing the first spacer. The organic insulating film has a through-hole between the first signal line and the second signal line in plan view. The first spacer is provided to overlap the through-hole in plan view and filling the through-hole.

公开(公告)号：US11733577B2

公开(公告)日：2023-08-22

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

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

公开(公告)号：US11630353B2

公开(公告)日：2023-04-18

申请号：US17460420

申请日：2021-08-30

Applicant: Japan Display Inc.

Inventor： Yoshitaka Ozeki ,  Seiji Uejima ,  Nobutaka Ozaki

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