公开(公告)号：US20250015111A1

公开(公告)日：2025-01-09

申请号：US18761679

申请日：2024-07-02

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Takahiro TAKEUCHI

IPC: H01L27/146 ,  G06V40/13 ,  H04N25/76

Abstract: A detection device includes a substrate, a photodiode provided on the substrate, a lens provided so as to overlap the photodiode, a light-blocking layer that is provided between the photodiode and the lens, and is provided with an opening in a region overlapping the photodiode, and a light-transmitting resin layer and a buffer layer that are stacked between the light-blocking layer and the lens. The lens is provided in direct contact with a top of the buffer 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：US20230395688A1

公开(公告)日：2023-12-07

申请号：US18325141

申请日：2023-05-30

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yoshitaka OZEKI

IPC: H01L29/49 ,  H01L29/45 ,  H01L29/786 ,  H01L27/12 ,  H01L23/532

CPC classification number: H01L29/4908 ,  H01L29/45 ,  H01L29/7869 ,  H01L27/1225 ,  H01L27/1207 ,  H01L23/53233 ,  H01L29/78648

Abstract: A semiconductor device including a first gate electrode, a first gate insulating film in contact with the first gate electrode, an oxide semiconductor layer in contact with the first gate insulating film, and a source electrode and a drain electrode electrically connected to the semiconductor layer, wherein the first gate electrode, the source electrode, and the drain electrode are either an electrode consisting of copper (Cu) containing manganese (Mn), an electrode having a layered structure of layers containing copper and titanium (Ti), or an electrode having a layered structure of layers containing titanium and aluminum (Al), and the first gate electrode includes a different metal from the source electrode and drain electrode.

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：US20230053241A1

公开(公告)日：2023-02-16

申请号：US17886903

申请日：2022-08-12

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Yoshitaka OZEKI

IPC: H01L27/146

Abstract: A detection device includes a plurality of detection elements that are arranged in a matrix having a row-column configuration in a detection area, and each comprise a photoelectric conversion element to which a reverse bias voltage is configured to be applied when detection is performed, and an initialization circuit configured to apply an initialization voltage higher than the reverse bias voltage to the photoelectric conversion element before the reverse bias voltage is applied to the photoelectric conversion element.

公开(公告)号：US20220350212A1

公开(公告)日：2022-11-03

申请号：US17730326

申请日：2022-04-27

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Koshiro MORIGUCHI

IPC: G02F1/1362 ,  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：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.

公开(公告)号：US20220262837A1

公开(公告)日：2022-08-18

申请号：US17734200

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Yoshitaka OZEKI ,  Seiji Uejima ,  Hiroyuki WATABE

IPC: H01L27/146

Abstract: According to one embodiment, a detection device includes a substrate, a photoelectric conversion element provided on the substrate and including a semiconductor layer, a transistor provided to correspond to the photoelectric conversion element, and a green color filter provided above the photoelectric conversion element.

公开(公告)号：US20220115424A1

公开(公告)日：2022-04-14

申请号：US17494918

申请日：2021-10-06

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Yoshitaka OZEKI

IPC: H01L27/146 ,  G06K9/00

Abstract: According to an aspect, a detection device includes: a substrate; a plurality of photodiodes arranged on the substrate; an insulating film that covers the photodiodes; and a conductive layer provided on the insulating film. Each photodiode includes a plurality of first regions, in each of which a p-type semiconductor layer, an i-type semiconductor layer, and an n-type semiconductor layer are stacked such that the p-type semiconductor layer is directly in contact with the i-type semiconductor layer and the i-type semiconductor layer is directly in contact with the n-type semiconductor layer. The i-type semiconductor layers in the first regions are separated from one another in a plan view. The n-type semiconductor layers in the first regions are separated from one another in the plan view. The conductive layer is coupled to each of the n-type semiconductor layers in the first regions through a contact hole provided in the insulating film.