公开(公告)号：US10788932B2

公开(公告)日：2020-09-29

申请号：US15432257

申请日：2017-02-14

Applicant: Japan Display Inc.

Inventor： Shinya Iuchi ,  Masahiro Togashi ,  Hayato Kurasawa ,  Michio Yamamoto ,  Tatsunori Nagai

IPC: G06F3/041 ,  G06F3/044

Abstract: According to an aspect, a touch detection device includes: first detectors that output first signal values corresponding to contact of detection target objects with first regions; at least one second detector that outputs at least one second signal value corresponding to at least one first force applied by the detection target objects to press at least one second region corresponding to the first regions; and a controller that calculates at least one third signal value corresponding to at least one second force applied by at least one of the detection target objects to the at least one second region, based on the first signal values, the at least one second signal value, and at least one reference value corresponding to a third force per at least one of the first signal values.

公开(公告)号：US20170242541A1

公开(公告)日：2017-08-24

申请号：US15432257

申请日：2017-02-14

Applicant: Japan Display Inc.

Inventor： Shinya Iuchi ,  Masahiro Togashi ,  Hayato Kurasawa ,  Michio Yamamoto ,  Tatsunori Nagai

IPC: G06F3/041 ,  G06F3/044

Abstract: According to an aspect, a touch detection device includes: first detectors that output first signal values corresponding to contact of detection target objects with first regions; at least one second detector that outputs at least one second signal value corresponding to at least one first force applied by the detection target objects to press at least one second region corresponding to the first regions; and a controller that calculates at least one third signal value corresponding to at least one second force applied by at least one of the detection target objects to the at least one second region, based on the first signal values, the at least one second signal value, and at least one reference value corresponding to a third force per at least one of the first signal values.

公开(公告)号：US11467682B2

公开(公告)日：2022-10-11

申请号：US17002081

申请日：2020-08-25

Applicant: Japan Display Inc.

Inventor： Shinya Iuchi ,  Masahiro Togashi ,  Hayato Kurasawa ,  Michio Yamamoto ,  Tatsunori Nagai

IPC: G06F3/041 ,  G06F3/044

Abstract: According to an aspect, a touch detection device includes: first detectors that output first signal values corresponding to contact of detection target objects with first regions; at least one second detector that outputs at least one second signal value corresponding to at least one first force applied by the detection target objects to press at least one second region corresponding to the first regions; and a controller that calculates at least one third signal value corresponding to at least one second force applied by at least one of the detection target objects to the at least one second region, based on the first signal values, the at least one second signal value, and at least one reference value corresponding to a third force per at least one of the first signal values.

公开(公告)号：US10168803B2

公开(公告)日：2019-01-01

申请号：US15089740

申请日：2016-04-04

Applicant: Japan Display Inc.

Inventor： Tatsunori Nagai ,  Masahiro Togashi

IPC: G06F3/0354 ,  G06F3/041 ,  G06F3/044

Abstract: According to an aspect, a pointing device used to indicate a position on a touch detecting device includes: a first output unit provided to a body of the pointing device with which a hand of a user holding the pointing device comes into contact; and a first signal generating unit that generates a palm detection signal including a first code and different from a signal detected in a touch operation with the pointing device, and outputs the palm detection signal to the first output unit.

公开(公告)号：US10990340B2

公开(公告)日：2021-04-27

申请号：US16442064

申请日：2019-06-14

Applicant: Japan Display Inc.

Inventor： Shinya Iuchi ,  Hayato Kurasawa ,  Masahiro Togashi ,  Tsutomu Harada ,  Yuji Suzuki

IPC: G06F3/044 ,  G06F3/14 ,  G06F3/041

Abstract: A display apparatus includes a plurality of display panels arranged in a matrix, each of the image display panel includes a plurality of drive electrodes extending in a first direction and a plurality of detection electrodes extending in a second direction crossing the first direction, wherein an AC voltage is sequentially applied to the plurality of drive electrodes of a first display panel, and the plurality of detection electrodes of a second display panel adjacent to the first display panel detect a signal output from the plurality of drive electrodes of the first display panel.

公开(公告)号：US10324559B2

公开(公告)日：2019-06-18

申请号：US15243309

申请日：2016-08-22

Applicant: Japan Display Inc.

Inventor： Shinya Iuchi ,  Hayato Kurasawa ,  Masahiro Togashi ,  Tsutomu Harada ,  Yuji Suzuki

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/14

Abstract: A display device unit includes a plurality of image display panels in such a manner that display surfaces of the plurality of image display panels are orderly arranged on a flat surface, and is configured to display an image using the plurality of display surfaces as a single screen. The image display panel includes a drive electrode unit to which an application voltage is applied and a detection electrode unit at which a detection voltage is generated in accordance with the application voltage. The application voltage is applied solely to the drive electrode unit included in an application image display panel which is a part of the image display panels.

公开(公告)号：US10013079B2

公开(公告)日：2018-07-03

申请号：US15098882

申请日：2016-04-14

Applicant: Japan Display Inc.

Inventor： Masahiro Togashi ,  Michio Yamamoto

IPC: G06F3/041 ,  G06F3/033 ,  G06F3/044 ,  G06F3/0354

CPC classification number: G06F3/033 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/0418 ,  G06F3/044

Abstract: According to an aspect, a display device includes: a display unit that displays an image; a touch detection unit that detects an instruction input provided by a pointing device to a display surface of the display unit; an acquisition unit that acquires information indicating a display color at an instruction input position, the display color being detected by a color sensor included in the pointing device; and a determination unit that performs determination processing to determine the instruction input position based on a color of the image and the color indicated by the information acquired by the acquisition unit.