公开(公告)号：US20240088164A1

公开(公告)日：2024-03-14

申请号：US18244081

申请日：2023-09-08

Applicant: Japan Display Inc

Inventor： Nobutaka OZAKI ,  Yoshitaka OZEKI ,  Koshiro MORIGUCHI

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

CPC classification number: H01L27/124 ,  G02F1/13439 ,  G02F1/136209 ,  G02F1/1368

Abstract: A display device including a plurality of pixels arranged in a matrix on a substrate along a first direction and a second direction intersecting the first direction, wherein each of the plurality of pixels includes a transistor, a first transparent conductive layer arranged over the transistor and electrically connected to the transistor, a first insulating layer arranged over the first transparent conductive layer, a second transparent conductive layer arranged in the first insulating layer and electrically connected to the first transparent conductive layer via an opening extending over the plurality of pixels arranged in line in the first direction, a filling member arranged over the second transparent conductive layer to fill the interior of the opening, a third transparent conductive layer arranged on the first insulating layer and the filling member, and a metal layer in contact with the third transparent electrode.

公开(公告)号：US20230123073A1

公开(公告)日：2023-04-20

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

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：US20230057376A1

公开(公告)日：2023-02-23

申请号：US17886977

申请日：2022-08-12

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Yoshitaka OZEKI

IPC: H01L27/146

Abstract: According to an aspect, a detection device includes: a substrate; a plurality of transistors provided on the substrate; a plurality of scan lines that extend in a first direction; a plurality of signal lines that extend in a second direction intersecting the first direction; a plurality of photodiodes that are provided in an area surrounded by the scan lines and the signal lines and each include a p-type semiconductor layer, an i-type semiconductor layer, and an n-type semiconductor layer; and a shield wiring line that extends in the first direction and overlaps a corresponding one of the scan lines. The shield wiring line is electrically coupled to, among the signal lines, a power supply signal line configured to supply a power supply potential to the transistors.

公开(公告)号：US20210389618A1

公开(公告)日：2021-12-16

申请号：US17460420

申请日：2021-08-30

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：US20200226343A1

公开(公告)日：2020-07-16

申请号：US16828296

申请日：2020-03-24

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Yoshitaka OZEKI ,  Toshinori UEHARA ,  Yuji SUZUKI

IPC: G06K9/00 ,  G06F3/042

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; a plurality of detection electrodes provided on the one surface side and arranged in a second direction intersecting the first direction; and an insulating layer provided in a normal direction of the substrate between each of the drive electrodes and the corresponding detection electrodes. The detection electrodes intersect the drive electrodes in the normal direction of the substrate. The detection electrodes include: a first metallic layer; and a second metallic layer positioned closer to the one surface than the first metallic layer to the one surface. The first metallic layer has a reflectance of visible light lower than that of the second metallic layer.

公开(公告)号：US20190258122A1

公开(公告)日：2019-08-22

申请号：US16277270

申请日：2019-02-15

Applicant: Japan Display Inc.

Inventor： Mitsufumi SOGABE ,  Yoshitaka OZEKI ,  Nobutaka OZAKI

IPC: G02F1/1343

Abstract: According to one embodiment, a display device including a first signal line positioned between a first and second pixel area, a common electrode, a first and second switching element, a first and second pixel electrode, wherein the first pixel electrode includes a first connector, the second pixel electrode includes a second connector and a second projection, the common electrode includes an opening, the first and second connector are arranged with the first signal line interposed therebetween, the second projection is disposed in the first direction between the first signal line and the second connector, and a first gap is different from a second gap.

公开(公告)号：US20190258099A1

公开(公告)日：2019-08-22

申请号：US16279700

申请日：2019-02-19

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Seiji UEJIMA ,  Nobutaka OZAKI

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1362 ,  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：US20190198674A1

公开(公告)日：2019-06-27

申请号：US16227078

申请日：2018-12-20

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Gen KOIDE ,  Nobutaka OZAKI

IPC: H01L29/786 ,  H01L27/12 ,  H01L29/417 ,  H01L29/66 ,  H01L21/027 ,  G02F1/1362 ,  G02F1/1368 ,  H01L21/265

CPC classification number: H01L29/78633 ,  G02F1/136209 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2202/104 ,  H01L21/02532 ,  H01L21/02592 ,  H01L21/0262 ,  H01L21/02675 ,  H01L21/0274 ,  H01L21/26513 ,  H01L21/266 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1274 ,  H01L27/1288 ,  H01L27/3262 ,  H01L27/3272 ,  H01L27/3276 ,  H01L29/41733 ,  H01L29/66765 ,  H01L29/78621 ,  H01L29/78678 ,  H01L2227/323

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：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：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.