公开(公告)号：US20230280854A1

公开(公告)日：2023-09-07

申请号：US18195511

申请日：2023-05-10

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

CPC classification number: G06F3/0412 ,  G02F1/1343 ,  G02F1/13338 ,  G06F3/04164 ,  G06F3/0445 ,  G06F3/0446 ,  G02F1/133

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：US20220221956A1

公开(公告)日：2022-07-14

申请号：US17706051

申请日：2022-03-28

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

Abstract: Display device is provided and includes display part including first and second substrates, first and second polarizing plates, display area that includes pixel electrodes, a common electrode and display functional layer each of which is arranged between first and second substrates, display image formed by applying display voltage between pixel electrodes and common electrode in display period, input part including third substrate having back surface facing front surface of display part, detection electrodes formed on back surface of third substrate, and conductive layer provided between back surface of third substrate and front surface of display part, wherein conductive layer overlaps third substrate without through detection electrodes outside display area, and part of detection electrodes is uncovered by conductive layer outside display area.

公开(公告)号：US20200285329A1

公开(公告)日：2020-09-10

申请号：US16879845

申请日：2020-05-21

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Koji NOGUCHI ,  Masanobu IKEDA ,  Yasuyuki MATSUI

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1337

Abstract: There are provided a display panel with a touch detector that allows the touch detection electrodes to be less visible, a touch panel, and an electronic unit having the display panel with a touch detector. The display panel with a touch detector includes: a display layer including a plurality of display elements arranged side by side; and an electrode layer alternately segmented into first regions and second regions along a first direction, the electrode layer including a plurality of first slits arranged side by side to extend in a second direction, and a plurality of second slits each allowing an adjacent pair of the plurality of first slits in the second regions to be in communication with one another.

公开(公告)号：US20200019005A1

公开(公告)日：2020-01-16

申请号：US16579343

申请日：2019-09-23

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Koji ISHIZAKI

IPC: G02F1/1333 ,  G02F1/1343 ,  G06F3/047 ,  G06F3/044

Abstract: A detection device is provided. The detection device includes a first substrate; a plurality of detection electrodes disposed in a matrix configuration in a display region on a plane parallel to the first substrate; a second substrate facing the first substrate; a first conductive layer provided in a peripheral region located outside the display region in planar view; a polarizing plate provided above the second substrate; and a second conductive layer provided between the polarizing plate and the second substrate, wherein the second conductive layer is electrically coupled to the first conductive layer, and the first conductive layer is arranged to be part of an electrically connected loop around the display region.

公开(公告)号：US20200012366A1

公开(公告)日：2020-01-09

申请号：US16571754

申请日：2019-09-16

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

Abstract: An input device is provided and including a substrate; a plurality of first metal or alloy electrodes provided along a first direction on a main surface of the substrate; a plurality of second metal or alloy electrodes provided along a second direction intersecting with the first direction on the same surface as the main surface; and a protective film covering the plurality of first metal or alloy electrodes and the plurality of second metal or alloy electrodes.

公开(公告)号：US20190339797A1

公开(公告)日：2019-11-07

申请号：US16511831

申请日：2019-07-15

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA

IPC: G06F3/044 ,  G06F3/041

Abstract: A detection device includes a substrate; a plurality of first conductive thin wires provided in a plane parallel to the substrate and extending in a first direction; a plurality of second conductive thin wires provided in the same layer as that of the first conductive thin wires and extending in a second direction forming an angle with the first direction; first groups that are disposed in first strip-like regions respectively having a first width, each of the first groups including at least two of the first conductive thin wires displaced from one another in the second direction; and second groups that are disposed in second strip-like regions respectively having a second width, each of the second groups including at least two of the second conductive thin wires displaced from one another in the first direction.

公开(公告)号：US20190278404A1

公开(公告)日：2019-09-12

申请号：US16423980

申请日：2019-05-28

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Kouji NOGUCHI ,  Tsutomu HARADA ,  Takeya TAKEUCHI ,  Yoshitoshi KIDA ,  Takayuki NAKANISHI

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

Abstract: A detection device includes a plurality of drive electrodes, wherein: in a first mode, a first drive electrode block including a first number of the drive electrodes are supplied with a first drive signal; in a second mode, a second drive electrode block including a second number of the drive electrodes are supplied with a second drive signal; and the first number is different from the second number.

公开(公告)号：US20190258356A1

公开(公告)日：2019-08-22

申请号：US16401315

申请日：2019-05-02

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA ,  Takeo KOITO

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

Abstract: A touch panel is disclosed herein. In an embodiment, the touch panel includes a substrate with first and second surfaces, a drive electrode facing the first surface, a plurality of touch detection electrodes facing the second surface, and a dummy electrode between adjacent touch detection electrodes. Each touch detection electrode includes a first conductive thin wire extending parallel to the first and second surfaces. The dummy electrode includes a second conductive thin wire extending along the first conductive thin wire. The first conductive thin wire includes a first bent portion and a second bent portion alternately arranged with the first conductive thin wire having a zigzag pattern. The second conductive thin wire includes a third bent portion and a slit that are alternately arranged. The third bent portion is arranged on a virtual straight line formed by virtually connecting the first bent portions of one first conductive thin wire.

公开(公告)号：US20190212870A1

公开(公告)日：2019-07-11

申请号：US16356559

申请日：2019-03-18

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Hayato KURASAWA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108 ,  G06F2203/04112

Abstract: A touch detection device includes: a substrate including a display region for displaying an image, a first frame region outside the display region, and a second frame region outside the first frame region; a plurality of detection electrodes that are arranged in the display region on a face parallel with the substrate and include metal wires; and frame wires that are coupled to the detection electrodes and arranged in the first frame region and the second frame region. A ratio of a covering area of the frame wires to a predetermined area of the substrate in the first frame region is smaller than a ratio of the covering area of the frame wires to the predetermined area of the substrate in the second frame region.

公开(公告)号：US20190189041A1

公开(公告)日：2019-06-20

申请号：US16220738

申请日：2018-12-14

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Takao AMBAI ,  Taro ICHIMURA

IPC: G09G3/20 ,  G06F3/041 ,  G06F3/01 ,  G06F3/0484 ,  G06Q30/06

CPC classification number: G09G3/20 ,  G06F3/017 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/04845 ,  G06Q30/0643

Abstract: According to one embodiment, a display device includes a display, a touchpanel, a memory and a processor. The display displays a shelf label image including a product information item of a product displayed on a display shelf. The touchpanel in or on the display detects a contact position of an object. The processor executes a program stored in the memory, makes a state of the touchpanel from an inactive state to an active state when an external terminal is connected to the display device, detects a type of an action, based on the contact position of the object detected by the touchpanel in the active state, changes the shelf label image displayed on the display in accordance with the type of the action.