公开(公告)号：US20230368567A1

公开(公告)日：2023-11-16

申请号：US18225838

申请日：2023-07-25

Applicant: Japan Display Inc.

Inventor： Gen KOIDE ,  Keiichi SAITO ,  Takashi NAKAMURA

IPC: G06V40/13 ,  G06V40/145 ,  G06V40/10 ,  G06V10/147

CPC classification number: G06V40/1318 ,  G06V40/145 ,  G06V40/15 ,  G06V10/147

Abstract: According to an aspect, a detection device including a plurality of optical sensors arranged in a matrix having a row-column configuration, the detection device being configured to: detect a signal that is output from each of the optical sensors by reverse-biasing the optical sensor, and perform a refreshing operation to restore characteristics of the optical sensor to an initial state by forward-biasing the optical sensor for each predetermined period.

公开(公告)号：US20230350252A1

公开(公告)日：2023-11-02

申请号：US18348616

申请日：2023-07-07

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/136286 ,  G02F1/1368

Abstract: According to one embodiment, in the frame region, a second portion of each signal line is provided between a display region and a switch circuit, and is drawn from the switch circuit toward the display region, a first portion of the signal line is formed by a second wiring layer, provided between the second portion and the display region, and connected to the second portion, the second portion of the signal line and each of a plurality of detection lines are formed by a third wiring layer, and the second portions of the plurality of signal lines and the plurality of detection lines are provided approximately parallel to each other.

公开(公告)号：US20230018255A1

公开(公告)日：2023-01-19

申请号：US17856492

申请日：2022-07-01

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H01L27/30 ,  G01J1/44 ,  H01L51/42

Abstract: According to an aspect, a detection device includes: photodiodes provided on a substrate; transistors corresponding to the photodiodes; a first organic insulating film that covers the transistors; first electrodes that are between the first organic insulating film and the photodiodes in a direction orthogonal to the substrate and are provided corresponding to the photodiodes; a second electrode provided so as to extend across the photodiodes; an insulating film between adjacent first electrodes, and a second organic insulating film that covers an inside of a contact hole provided in the first organic insulating film. The photodiodes includes a first carrier transport layer, an active layer, and a second carrier transport layer that are stacked on the substrate. The first carrier transport layer, the active layer, and the second carrier transport layer are provided so as to cover each of the first electrodes, the insulating film, and the second organic insulating film.

公开(公告)号：US20230004249A1

公开(公告)日：2023-01-05

申请号：US17941780

申请日：2022-09-09

Applicant: Japan Display Inc.

Inventor： Yasuyuki TERANISHI ,  Gen KOIDE

IPC: G06F3/041 ,  G06F3/047 ,  G06F3/044

Abstract: A display device includes a substrate, first electrodes, second electrodes, and a driver. The first electrodes are disposed in a matrix (row-column configuration) in a display region of the substrate. The second electrodes are disposed in a peripheral region on the outside of the display region of the substrate. The driver supplies a drive signal to the first electrodes and the second electrodes. The first electrodes output detection signals corresponding to self-capacitance changes in the first electrodes. The second electrodes output detection signals corresponding to self-capacitance changes in the second electrodes.

公开(公告)号：US20220328564A1

公开(公告)日：2022-10-13

申请号：US17713299

申请日：2022-04-05

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: H01L27/30

Abstract: According to an aspect, a detection device includes: a light source configured to emit light that includes a first wavelength band and a second wavelength band; a first color filter configured to transmit light in the first wavelength band; a second color filter configured to transmit light in the second wavelength band; a first photodiode configured to receive light transmitted through the first color filter; and a second photodiode configured to receive light transmitted through the second color filter.

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：US20220091465A1

公开(公告)日：2022-03-24

申请号：US17542967

申请日：2021-12-06

Applicant: JAPAN DISPLAY INC.

Inventor： Kenta SEKI ,  Gen KOIDE ,  Hayato KURASAWA

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1337 ,  G02F1/1362

Abstract: According to one embodiment, a display device comprises image signal lines, scanning signal lines, pixels, a display area, pixel electrodes, and common electrodes. The common electrodes are configured to detect an object and to display an image in the display area. The common electrodes include first and second common electrodes which are arranged in a first direction. A first slit is provided between the first and second common electrodes. The first and second common electrodes are supplied a signal different from each other. A second slit is provided in the first common electrode. Each of the first slit and the second slit overlaps one of the image signal lines and extends in an extension direction in which the image signal line extends.

公开(公告)号：US20220019306A1

公开(公告)日：2022-01-20

申请号：US17357098

申请日：2021-06-24

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G06F3/041 ,  G06F3/044

Abstract: A display device includes a plurality of first sub-pixels configured to display red, a plurality of second sub-pixels configured to display green, a plurality of third sub-pixels configured to display blue, and a plurality of fourth sub-pixels configured to display white, a first signal line coupled to the first sub-pixels, a second signal line coupled to the second sub-pixels, and a third signal line coupled to the third sub-pixels and the fourth sub-pixels, a plurality of detection electrodes arrayed in a matrix (row-column configuration) and each provided overlapping the first sub-pixels, the second sub-pixels, the third sub-pixels, and the fourth sub-pixels, and a plurality of signal supply wires coupled to the respective detection electrodes. The signal supply wires are each provided overlapping at least one of the first signal line and the second signal line and not overlapping the third signal line.

公开(公告)号：US20210263368A1

公开(公告)日：2021-08-26

申请号：US17317890

申请日：2021-05-12

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  G02F1/1362 ,  H01L23/544 ,  H01L27/12 ,  G09G3/20 ,  H01L29/786

Abstract: According to one embodiment, a display device includes an insulating substrate, a first insulating film, terminal portions and a pattern. The first insulating film covers the insulating substrate. The terminal portions are disposed on the first insulating film. The pattern is between the insulating substrate and the first insulating film. The pattern is formed by a semiconductor or a light-shielding material, and the pattern is covered with the first insulating film. The pattern is located just under a first terminal and a second terminal of the terminal portions.

公开(公告)号：US20200225525A1

公开(公告)日：2020-07-16

申请号：US16837639

申请日：2020-04-01

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G09G3/36 ,  G06F3/044 ,  G06F3/041

Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.