公开(公告)号：US20240419276A1

公开(公告)日：2024-12-19

申请号：US18821190

申请日：2024-08-30

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Toshihiko TANAKA ,  Naoki TAKADA ,  Chihiro TANAKA ,  Koji ISHIZAKI

IPC: G06F3/041 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/044

Abstract: A sensor device is provided and includes electrodes each including first parts arranged in a first direction and a second part connected to the first parts, the first parts each having a first mesh shape which is formed of first metal wires, and the second part having a second mesh shape which is formed of second metal wires, wherein a longitudinal direction of the second part is the first direction, and at least one of the first mash shape and the second mash shape has an intersection portion at which two of the first metal wires or two of the second metal wires intersect.

公开(公告)号：US20240419273A1

公开(公告)日：2024-12-19

申请号：US18817791

申请日：2024-08-28

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Kohei AZUMI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/044

Abstract: According to an aspect, a display device with a touch detection function includes: a substrate; a drive electrode that extends in a first direction; and a plurality of touch detection electrodes that are metal wirings extending in a second direction different from the first direction. The metal wirings are arranged with a predetermined pitch so as to make capacitive coupling with the drive electrode.

公开(公告)号：US20240319810A1

公开(公告)日：2024-09-26

申请号：US18678390

申请日：2024-05-30

Applicant: JAPAN DISPLAY INC.

Inventor： Chihiro TANAKA ,  Naoki TAKADA ,  Toshihiko TANAKA ,  Hayato KURASAWA ,  Koji ISHIZAKI ,  Tatsuya WAKIMOTO ,  Masaki MIYATAKE

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1343 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/134309 ,  G06F3/04164 ,  G06F3/04184 ,  G06F3/0445 ,  G06F3/0446 ,  G02F1/1339 ,  G06F2203/04107 ,  G06F2203/04111

Abstract: According to one embodiment, a touch detection device includes first detection electrodes in a detection area, second detection electrodes in the detection area, extending to intersect the first detection electrodes, first control lines connected to the first detection electrodes, respectively, and provided in a non-detection area, and second control lines connected to the second detection electrodes, respectively, and provided in the non-detection area. The second control lines overlap the first control lines at a plurality of positions as seen in plan view, such that areas of overlapping portions in which the first control lines overlap the second control lines are substantially equalized.

公开(公告)号：US20240143107A1

公开(公告)日：2024-05-02

申请号：US18534214

申请日：2023-12-08

Applicant: Japan Display Inc.

Inventor： Naosuke FURUTANI ,  Hayato KURASAWA ,  Makoto HAYASHI

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/044 ,  G09G3/36

CPC classification number: G06F3/04166 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/136286 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/0445 ,  G06F3/0446 ,  G09G3/3607 ,  G09G3/3648 ,  G02F1/133302 ,  G02F1/133345 ,  G02F1/134318 ,  G02F1/136213 ,  G02F1/1368 ,  G06F2203/04103 ,  G09G2300/0426 ,  G09G2330/02

Abstract: A display device with a touch sensor having a display function and a touch sensor function is provided. The display device includes a first substrate including a pixel electrode; a first electrode along a first direction; and a second substrate including a second electrode that includes patterns of electrodes along a second direction crossing the first direction and that faces the first electrode and the pixel electrode, wherein upon the display function being activated, the pixel electrode is supplied with a pixel signal, and the second electrode is supplied with common voltage, and upon the touch sensor function being activated, the first electrode is applied with a first signal and the second electrode is configured to receive the first signal to be a second signal as a touch detecting signal.

公开(公告)号：US20230393697A1

公开(公告)日：2023-12-07

申请号：US18236702

申请日：2023-08-22

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Kohei AZUMI ,  Koji ISHIZAKI ,  Hideki KANEKO ,  Tsutomu HARADA

IPC: G06F3/044 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G06F3/041

CPC classification number: G06F3/0445 ,  G02F1/13338 ,  G02F1/133528 ,  G02F1/134363 ,  G06F3/044 ,  G06F3/0416 ,  G06F3/0446 ,  G06F3/04164 ,  G06F3/0412 ,  Y10T29/49117 ,  G02F1/134318 ,  G06F2203/04103

Abstract: A display device is provided and includes display part having first and second electrodes; and input part having substrate and detection electrode between substrate and display part, wherein display part including display area that displays image, input part including conductive layer provided between substrate and display part and overlapping detection electrode in display area, detection electrode is glued to conductive layer which has first region outside display area, first regain overlapping substrate and not overlapping detection electrode.

公开(公告)号：US20230004248A1

公开(公告)日：2023-01-05

申请号：US17940169

申请日：2022-09-08

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Toshihiko TANAKA ,  Naoki TAKADA ,  Chihiro TANAKA ,  Koji ISHIZAKI

IPC: G06F3/041 ,  G02F1/1343 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/133

Abstract: A sensor device is provided and includes detection electrodes each having a mesh shape; and lead lines each including a first part and a second part, wherein the detection electrodes are connected to the lead linens, respectively, the first part has a first end and a second end opposed to the first end, and extends in a first direction, the second part extends in a second direction different from the first direction, the first part is connected to a corresponding one of the detection electrodes at the first end and connected to the second part at the second end, and a width of the first part is different from a width of the second part.

公开(公告)号：US20220283460A1

公开(公告)日：2022-09-08

申请号：US17826242

申请日：2022-05-27

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Masanobu IKEDA ,  Hayato KURASAWA ,  Yoshihiro WATANABE

IPC: G02F1/1333 ,  G09G3/36 ,  G06F3/044

Abstract: A display apparatus includes a first substrate, a second substrate facing the first substrate, lead wirings provided on the first substrate or the second substrate and a first insulator part provided on an upper surface of the second substrate. The lead wirings are arranged in a peripheral region when seen in a plan view and the first insulator part is arranged so as to overlap a display region when seen in a plan view. Second insulator parts or spaces with a permittivity lower than a permittivity of the first insulator part are provided at sides of the first insulator part. The second insulator parts or the spaces are arranged so as to overlap the lead wirings in the peripheral region when seen in a plan view.

公开(公告)号：US20220197423A1

公开(公告)日：2022-06-23

申请号：US17690122

申请日：2022-03-09

Applicant: JAPAN DISPLAY INC.

Inventor： Chihiro TANAKA ,  Naoki TAKADA ,  Toshihiko TANAKA ,  Hayato KURASAWA ,  Koji ISHIZAKI ,  Tatsuya WAKIMOTO ,  Masaki MIYATAKE

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343

Abstract: According to one embodiment, a touch detection device includes first detection electrodes in a detection area, second detection electrodes in the detection area, extending to intersect the first detection electrodes, first control lines connected to the first detection electrodes, respectively, and provided in a non-detection area, and second control lines connected to the second detection electrodes, respectively, and provided in the non-detection area. The second control lines overlap the first control lines at a plurality of positions as seen in plan view, such that areas of overlapping portions in which the first control lines overlap the second control lines are substantially equalized.

公开(公告)号：US20210223598A1

公开(公告)日：2021-07-22

申请号：US17221089

申请日：2021-04-02

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Shunsuke NOICHI ,  Yasayuki TERANISHI ,  Satoshi UCHINO ,  Hayato KURASAWA ,  Yoshiharu NAKAJIMA

IPC: G02F1/1345 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1343 ,  H01L27/12 ,  H01L29/786

Abstract: A display device includes a display region having a plurality of pixels, a driver IC provided in a frame region on an outer side of the display region and configured to drive the pixels, a first power source wiring line and a second power source wiring line each electrically coupled to the driver IC, and a first electrode that is arranged so as to face the first power source wiring line and the second power source wiring line via a first insulating layer, and is electrically coupled to the first power source wiring line.

公开(公告)号：US20210173545A1

公开(公告)日：2021-06-10

申请号：US17182739

申请日：2021-02-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI ,  Fumitaka GOTOH ,  Gen KOIDE ,  Tadayoshi KATSUTA

IPC: G06F3/041 ,  G06F3/046 ,  G06F3/044

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.