公开(公告)号：US10592029B2

公开(公告)日：2020-03-17

申请号：US15950878

申请日：2018-04-11

Applicant: Japan Display Inc.

Inventor： Naoki Takada ,  Hayato Kurasawa

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G09G3/36 ,  H01L27/12 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes touch detection electrodes, and a driver. The touch detection electrodes include stripe common electrodes serving as electrodes for display. The driver includes a first, second, and third drivers for driving each of the stripe electrodes. Auxiliary lines connect each of the stripe electrodes to the third driver. The first and second drivers are provided along shorter sides of the stripe electrodes. The third driver is provided along a longer side of the stripe electrodes.

公开(公告)号：US12032796B2

公开(公告)日：2024-07-09

申请号：US18108389

申请日：2023-02-10

Applicant: Japan Display Inc.

Inventor： Hiroshi Yamaguchi ,  Naoki Takada

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/0443 ,  G06F3/0448 ,  G06F3/04166

Abstract: A detection device includes a plurality of first detection electrodes disposed in a matrix of rows and columns in a detection region of a substrate, at least one second detection electrode disposed in a peripheral region outside the detection region, positioned adjacent to some of the plurality of the first detection electrodes, and provided along a side of the detection region, and a coordinate calculation circuit configured to calculate a detection position of a detection target body.

公开(公告)号：US11953373B1

公开(公告)日：2024-04-09

申请号：US17967898

申请日：2022-10-18

Applicant: Japan Display Inc.

Inventor： Naoki Takada ,  Xingle Wang ,  Chung-Kai Chen

IPC: G01J1/44 ,  G01J1/46

CPC classification number: G01J1/44 ,  G01J1/46 ,  G01J2001/446 ,  G01J2001/448

Abstract: According to one embodiment, a sensor device comprises a sensor configured to output a sense signal, a value the sense signal changing over time based on incident light, a first reset circuit configured to set the value of the sense signal to a reset value when the value of the sense signal exceeds a threshold, a counter configured to count a first number of times of reset by the first reset circuit, and an arithmetic operation circuit configured to calculate an amount of incident light of a certain period based on the value of the sense signal, the reset value, and the first number of times of reset.

公开(公告)号：US11874982B2

公开(公告)日：2024-01-16

申请号：US17580930

申请日：2022-01-21

Applicant: Japan Display Inc.

Inventor： Masanobu Ikeda ,  Naoki Takada ,  Kentaro Okuyama

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1335 ,  G02F1/1333 ,  G02F1/1334 ,  G02F1/1362 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G02F1/1334 ,  G02F1/13338 ,  G02F1/133616 ,  G02F1/136286 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/04166 ,  G09G3/3611 ,  G06F2203/04108 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2310/08 ,  G09G2340/12

Abstract: According to an aspect, a sensor-equipped display device includes: an array substrate; a counter substrate; a first sensor configured to detect a first detection-target object close to the counter substrate; and a second sensor configured to detect a second detection-target object close to the array substrate. A first background of the array substrate is viewed from outside the counter substrate, and a second background of the counter substrate is viewed from outside the array substrate.

公开(公告)号：US11640221B2

公开(公告)日：2023-05-02

申请号：US17522102

申请日：2021-11-09

Applicant: Japan Display Inc.

Inventor： Yuto Kakinoki ,  Naoki Takada

IPC: G06F3/044 ,  G06F3/02 ,  G06F3/0362 ,  G06F3/046

Abstract: According to one embodiment, a sensor device includes a touch panel, an input device configured such that a resonant circuit including first and second conductive materials, a magnetic field generation source disposed at a position overlapping the touch panel, and a sensor controller. Each of the first and second conductive materials is capacitively coupled to at least one of a plurality of electrodes included in the touch panel. The resonant circuit is electromagnetically coupled to the magnetic field generation source so as to resonate based on a magnetic field. The sensor controller detects positions of the first and second conductive materials on the touch panel by applying a voltage to each of the plurality of electrodes.

公开(公告)号：US11635862B2

公开(公告)日：2023-04-25

申请号：US17333010

申请日：2021-05-28

Applicant: Japan Display Inc.

Inventor： Naoki Takada ,  Toshihiko Tanaka

IPC: G06F3/044 ,  G06F3/0362

Abstract: According to one embodiment, a sensor device includes an electrostatic capacitive touch panel, a knob disposed rotatably about a rotation axis, a conductor held by the knob and opposed to the touch panel on a part of a circumference about the rotation axis, and a sensor controller which controls the touch panel. The sensor controller holds a reference signal corresponding to an electrostatic capacitance in a state where the conductor is not opposed to the touch panel, and detects first coordinates of the conductor based on a first sensor signal received from the touch panel in a state where the conductor is opposed to a first position of the touch panel and the reference signal in a first sensing period.

公开(公告)号：US11175777B2

公开(公告)日：2021-11-16

申请号：US17012988

申请日：2020-09-04

Applicant: Japan Display Inc.

Inventor： Shota Hosaka ,  Takayuki Nakanishi ,  Naoki Takada ,  Fumitaka Gotoh

IPC: G06F3/041 ,  G06F3/044

Abstract: A detection device comprising: a plurality of first electrodes; a plurality of second electrodes facing or being close to the first electrodes; a first drive circuit configured to supply a first drive signal to the first electrodes; a second drive circuit configured to supply a second drive signal to the second electrodes, the second drive signal having a same waveform as that of the first drive signal and in synchronization with the first drive signal; and a detector configured to detect a first detection signal, a second detection signal, and a third detection signal.

公开(公告)号：US20210240297A1

公开(公告)日：2021-08-05

申请号：US17239043

申请日：2021-04-23

Applicant: Japan Display Inc.

Inventor： Naoki Takada

IPC: G06F3/041 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a plurality of first electrodes overlap a display area, extend in a first direction, and are arranged in a second direction, a plurality of second electrodes overlap the display area, extend in the second direction, and are arranged in the first direction, a plurality of conductive lines are provided along the first electrodes, and connected to the second electrodes, respectively, and a touch detection driver is configured to detect contact or approach of an object with respect to the display area. In a case where a distance between a conductive line and one of the first electrodes near the conductive line is less than a predetermined value, a shielding portion is formed in the second electrode.

公开(公告)号：US10705637B2

公开(公告)日：2020-07-07

申请号：US16139582

申请日：2018-09-24

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Naoki Takada

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

Abstract: According to an aspect, a detection device includes: at least one substrate; a plurality of first electrodes extending in a first direction of the substrate and arrayed in a second direction intersecting the first direction; and a plurality of second electrodes arrayed in at least the first direction in a layer different from a layer of the first electrodes. Each of the second electrodes partially overlaps with the first electrodes in planar view and has an electric-field transmission region, in which an electric field can pass through each of the second electrodes in a direction perpendicular to the substrate. The electric-field transmission region in each of the second electrodes overlaps with one of the first electrodes in planar view.

公开(公告)号：US10698543B2

公开(公告)日：2020-06-30

申请号：US16169439

申请日：2018-10-24

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Naoki Takada ,  Fumitaka Gotoh ,  Shota Hosaka

IPC: G06F3/044 ,  H03K17/96 ,  G06F3/041 ,  H03K17/955

Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.