公开(公告)号：US20170357368A1

公开(公告)日：2017-12-14

申请号：US15619069

申请日：2017-06-09

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

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

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04106 ,  G06F2203/04108

Abstract: An input detection device includes a plurality of drive electrodes which are arranged in parallel to each other in plan view, and each of which has a pair of ends. At least one drive electrode among the plurality of drive electrodes is driven such that a first drive state where a first drive voltage is supplied to one end of the drive electrode and a second drive voltage different from the first drive voltage is supplied to the other end of the drive electrode and a second drive state where the second drive voltage is supplied to the one end and the first drive voltage is supplied to the other end temporally alternately occur.

公开(公告)号：US20170249051A1

公开(公告)日：2017-08-31

申请号：US15437074

申请日：2017-02-20

Applicant: Japan Display Inc.

Inventor： Toshinori UEHARA ,  Hiroshi MIZUHASHI ,  Toshio SOYA

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/044 ,  G06F2203/04107 ,  G06F2203/04108

Abstract: According to an aspect, a touch detecting apparatus includes: three or more detectors; a generating circuit that performs generation for generating a plurality of pieces of output data corresponding to a plurality of patterns and having resolution lower than resolution corresponding to the number of the detectors based on outputs from the detectors; a calculating circuit that performs calculation for calculating, for each of the detectors, a composite value to be used to derive a detection result of each of the detectors based on the pieces of output data corresponding to the patterns.

公开(公告)号：US20170108972A1

公开(公告)日：2017-04-20

申请号：US15287075

申请日：2016-10-06

Applicant: Japan Display Inc.

Inventor： Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/041 ,  G06F3/0354 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/044 ,  G02F1/1362

CPC classification number: G06F3/0412 ,  G02F1/13306 ,  G02F1/13338 ,  G02F1/134309 ,  G02F1/136286 ,  G02F2001/133302 ,  G06F3/03545 ,  G06F3/0416 ,  G06F3/044 ,  G06F3/046 ,  G06F2203/04101 ,  G06F2203/04105

Abstract: A display apparatus with a touch detection function that can improve detection characteristics is provided. The display apparatus includes: a pixel array having a plurality of pixels arranged in a matrix form; a plurality of signal lines arranged along each column in the pixel array, the signal lines supplying an image signal to a plurality of pixels arranged along the corresponding column; and a plurality of drive electrodes arranged in parallel with each other in the pixel array, the drive electrodes supplying a drive signal to the plurality of pixels in image display. When an externally-approaching object is detected by using a magnetic field, a coil clock signal for generating magnetic field is supplied to a first drive electrode arranged in the pixel array, and a magnetic field from the externally-approaching object is detected by second drive electrodes intersecting with the first drive electrode when seen in a plan view.

公开(公告)号：US20160357321A1

公开(公告)日：2016-12-08

申请号：US15170136

申请日：2016-06-01

Applicant: Japan Display Inc.

Inventor： Daisuke ITO ,  Toshihiko FUJIWARA ,  Hayato KURASAWA ,  Hiroshi MIZUHASHI

IPC: G06F3/041 ,  G09G3/36 ,  G06F3/05 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1335 ,  G06F3/044 ,  G02F1/1333

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G09G3/20 ,  G09G3/36 ,  G09G2310/0202

Abstract: A touch detection device includes a substrate, a plurality of drive electrodes arranged on a plane parallel to the substrate and in a first region in which an image is displayed, and a plurality of touch detection electrodes configured to generate a capacitance between the touch detection electrodes and the drive electrodes. At least one touch detection electrode among the touch detection electrodes includes a first part arranged in the first region and a second part arranged in a second region adjacent to the first region. The drive electrodes are sequentially supplied with the first drive signal to detect a conducting body in contact with or close to the first region in a first touch detection mode, and the touch detection electrodes are supplied with a second drive signal to detect a conducting body in contact with or close to the second region in a second touch detection mode.

Abstract translation: 触摸检测装置包括基板，布置在平行于基板的平面上的多个驱动电极和显示图像的第一区域中的多个触摸检测电极以及在触摸检测电极之间产生电容的多个触摸检测电极 和驱动电极。 触摸检测电极中的至少一个触摸检测电极包括布置在第一区域中的第一部分和布置在与第一区域相邻的第二区域中的第二部分。 驱动电极顺序地被提供有第一驱动信号，以在第一触摸检测模式下检测与第一区域接触或接近的导电体，并且向触摸检测电极提供第二驱动信号以检测导体 在第二触摸检测模式下与第二区域接触或接近。

公开(公告)号：US20160306489A1

公开(公告)日：2016-10-20

申请号：US15091356

申请日：2016-04-05

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Hayato KURASAWA ,  Fumitaka GOTOH ,  Daichi SUZUKI

IPC: G06F3/041

Abstract: To provide a display device with a touch detection function capable of suppressing an increase in price. The display device is provided with a pixel array which includes a plurality of pixels; a plurality of signal lines which supply an image signal to the plurality of pixels; a plurality of drive electrodes which supply a drive signal to the plurality of pixels; and an electrode driving circuit which supplies a magnetic field drive signal to the drive electrode at a time of detecting an external proximity object using the magnetic field, and supplies an electric field drive signal to the drive electrode at a time of detecting the external proximity object using the electric field.

Abstract translation: 提供能够抑制价格上涨的具有触摸检测功能的显示装置。 显示装置设置有包括多个像素的像素阵列; 多个信号线，其向多个像素提供图像信号; 多个驱动电极，其向多个像素提供驱动信号; 以及电极驱动电路，其在使用所述磁场检测外部邻近物体时向所述驱动电极提供磁场驱动信号，并且在检测到所述外部邻近物体时向所述驱动电极提供电场驱动信号 使用电场。

公开(公告)号：US20160085363A1

公开(公告)日：2016-03-24

申请号：US14851319

申请日：2015-09-11

Applicant: Japan Display Inc.

Inventor： Kohei AZUMI ,  Hidetoshi KOMATSU ,  Jin OTA ,  Hiroshi MIZUHASHI

IPC: G06F3/041 ,  G09G3/36

CPC classification number: G06F3/0416 ,  G06F2203/04108 ,  G09G3/3607 ,  G09G3/3655 ,  G09G3/3674 ,  G09G3/3677 ,  G09G3/3685 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/08 ,  G09G2330/028 ,  G09G2330/06

Abstract: According to one embodiment, a display device includes a plurality of display elements arranged in a matrix, a plurality of scanning lines, a plurality of signal lines, and a controller configured to control display by sequentially supplying an image signal and a control signal to the plurality of signal lines and the plurality of scanning lines, respectively, wherein the controller repeats a display period in which the display is controlled and a display blanking period in which the display is posed to display a frame image, and at least two types of display periods with different lengths are used when a frame image is displayed.

Abstract translation: 根据一个实施例，一种显示装置包括以矩阵形式布置的多个显示元件，多条扫描线，多条信号线以及被配置为通过向图像信号和控制信号顺序提供来控制显示的控制器 多个信号线和多条扫描线，其中控制器重复显示被控制的显示周期和显示器显示帧图像的显示消隐时段，以及至少两种类型的显示 当显示帧图像时使用具有不同长度的时间段。

公开(公告)号：US20160041686A1

公开(公告)日：2016-02-11

申请号：US14918851

申请日：2015-10-21

Applicant: Japan Display Inc.

Inventor： Yoshitoshi KIDA ,  Koji NOGUCHI ,  Yasuyuki TERANISHI ,  Hiroshi MIZUHASHI ,  Kohei AZUMI

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418

Abstract: According to an aspect, a display device with a touch detection function includes a plurality of drive electrodes that face a plurality of pixel electrodes in an orthogonal direction to the surface of the substrate, and extend in a direction parallel to the direction in which a plurality of signal lines extend. The display device with a touch detection function also includes a scan driving unit that applies a touch drive signal to a signal line that faces, in an overlapping manner in the orthogonal direction, a drive electrode to which the touch drive signal is applied.

公开(公告)号：US20140292681A1

公开(公告)日：2014-10-02

申请号：US14186216

申请日：2014-02-21

Applicant: Japan Display Inc.

Inventor： Kohei AZUMI ,  Jouji YAMADA ,  Hirofumi NAKAGAWA ,  Michio YAMAMOTO ,  Makoto HAYASHI ,  Hiroshi MIZUHASHI ,  Kozo IKENO ,  Yoshitoshi KIDA

IPC: G06F3/041

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044

Abstract: According to one embodiment, an electronic device includes a display device having a plurality of first electrodes arranged in a matrix form, second electrodes including a plurality of electrode patterns extending in a first direction and aligned in a second direction to cross the first direction, and third electrodes including a plurality of electrode patterns extending in the second direction and aligned in the first direction, a display driver configured to apply a sensor drive signal to the second electrodes, a detection circuit configured to transmit a detection data group including physical quantity data detected in one detection period from the plurality of electrode patterns of the third electrodes at each time when the sensor drive signal is applied to the second electrodes, and an application processor configured to process the detection data group received from the detection circuit.

Abstract translation: 根据一个实施例，一种电子设备包括具有以矩阵形式布置的多个第一电极的显示装置，第二电极包括沿第一方向延伸并沿第二方向排列以跨越第一方向的多个电极图案;以及 第三电极，包括沿第二方向延伸并且沿第一方向排列的多个电极图案;被配置为向第二电极施加传感器驱动信号的显示驱动器;检测电路，被配置为发送包括检测到的物理量数据的检测数据组 在每个传感器驱动信号被施加到第二电极的每一次的第三电极的多个电极图案的一个检测周期中，以及应用处理器，被配置为处理从检测电路接收的检测数据组。

公开(公告)号：US20140210779A1

公开(公告)日：2014-07-31

申请号：US14163094

申请日：2014-01-24

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G06F3/044

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/0416

Abstract: According to an aspect, a display device with a touch detection function includes: a display area where a plurality of pixel electrodes are arranged; drive electrodes provided so as to face the pixel electrodes; a control device for performing image display control; a touch detection electrode facing the drive electrodes; a touch detection unit for detecting a position of a proximity object; a wiring arranged in a frame area positioned outside the display area; and a plurality of selection switches for selecting the drive electrodes to be coupled to the wiring based on a selection signal of the control device. The control device supplies the display drive voltage and a touch drive signal to the same wiring at different times.

Abstract translation: 根据一方面，具有触摸检测功能的显示装置包括：布置多个像素电极的显示区域; 设置为与像素电极相对的驱动电极; 用于执行图像显示控制的控制装置; 面向驱动电极的触摸检测电极; 用于检测邻近物体的位置的触摸检测单元; 布置在位于显示区域外部的框架区域中的布线; 以及多个选择开关，用于基于控制装置的选择信号选择要耦合到布线的驱动电极。 控制装置在不同时间将显示驱动电压和触摸驱动信号提供给相同的布线。

公开(公告)号：US20240160308A1

公开(公告)日：2024-05-16

申请号：US18423765

申请日：2024-01-26

Applicant: Japan Display Inc.

Inventor： Tadayoshi KATSUTA ,  Hiroshi MIZUHASHI

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/04166 ,  G06F3/044 ,  G06F3/0445 ,  G06F3/0446 ,  G02F1/13338

Abstract: A display device with is touch detection function is provided and includes display area where electrodes are arranged in matrix having first and second directions crossing above substrate; common electrodes provided so as to face pixel electrodes; pixel signal lines each coupled to pixel electrodes, extending in first direction; control device for performing image display control and including drive signal generator and source driver; single first wire to which both display drive voltage and touch drive signal are supplied from drive signal generator, and selection switches for selecting common electrodes, wherein the drive signal generator includes first and second voltage generators for generating first and second voltages, and switching circuit for switching between first and second voltages, and wherein selection switches each coupled to single first wire via first coupling conductor and coupled to common electrode via second coupling conductor are arranged in frame area along single first wire, and are overlapped by single first wire that is supplied with display drive voltage from drive signal generator and that is supplied with touch drive signal from drive signal generator.