公开(公告)号：US08723841B2

公开(公告)日：2014-05-13

申请号：US12796455

申请日：2010-06-08

申请人： Koji Ishizaki ,  Kouji Noguchi ,  Tsutomu Harada ,  Takeya Takeuchi ,  Yoshitoshi Kida ,  Takayuki Nakanishi

发明人： Koji Ishizaki ,  Kouji Noguchi ,  Tsutomu Harada ,  Takeya Takeuchi ,  Yoshitoshi Kida ,  Takayuki Nakanishi

IPC分类号： G06F3/045

CPC分类号： G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04108 ,  G09G3/3611

摘要： A touch sensor that may detect an object away from the sensor is provided. The touch sensor includes one or more drive electrodes; one or more detection electrodes forming capacitance in cooperation with the respective drive electrodes; a detection circuit applying drive signals to the respective drive electrodes to detect the object based on detection signals obtained from the respective detection electrodes in response to the respective drive signals; and a controller controlling to change a range of electric flux lines generated between the drive electrodes and the detection electrodes.

摘要翻译： 提供了可以检测远离传感器的物体的触摸传感器。 触摸传感器包括一个或多个驱动电极; 一个或多个检测电极与各个驱动电极协作形成电容; 检测电路，根据各驱动信号，根据从各检测电极获得的检测信号，向各驱动电极施加驱动信号，检测物体; 以及控制器，用于改变在驱动电极和检测电极之间产生的电流线的范围。

公开(公告)号：US08334851B2

公开(公告)日：2012-12-18

申请号：US12793464

申请日：2010-06-03

申请人： Tsutomu Harada ,  Kouji Noguchi ,  Yoshitoshi Kida ,  Koji Ishizaki ,  Takeya Takeuchi ,  Takayuki Nakanishi

发明人： Tsutomu Harada ,  Kouji Noguchi ,  Yoshitoshi Kida ,  Koji Ishizaki ,  Takeya Takeuchi ,  Takayuki Nakanishi

IPC分类号： G06F3/041 ,  G06F3/045

CPC分类号： G06F3/044 ,  G02F1/13338

摘要： A display includes: display pixel electrodes; common electrodes; a display layer; a display control circuit; touch detection electrodes; and a touch detection circuit detecting an external proximity object based on a detection signal obtained from the touch detection electrodes with use of a common drive voltage for display applied to the common electrode as a touch sensor drive signal. The touch detection circuit includes: a first filter allowing a fundamental detection signal, contained in the detection signal and having a frequency same as a fundamental frequency of the touch sensor drive signal, to pass therethrough, a plurality of second filters separately allowing two or more harmonic detection signals, contained in the detection signal and having frequencies same as respective harmonic frequencies of the touch sensor drive signal, to pass therethrough, and a detection section performing a detection operation based on the fundamental detection signal and the harmonic detection signals.

摘要翻译： 显示器包括：显示像素电极; 公共电极 显示层; 显示控制电路; 触摸检测电极; 以及触摸检测电路，其基于从所述触摸检测电极获得的检测信号，利用施加到所述公共电极的公共驱动电压作为触摸传感器驱动信号来检测外部接近物体。 触摸检测电路包括：允许包含在检测信号中并且具有与触摸传感器驱动信号的基频相同的频率的基本检测信号的第一滤波器，分别允许两个或更多个的多个第二滤波器 包含在检测信号中并且具有与触摸传感器驱动信号的各个谐波频率相同的频率的谐波检测信号，以及检测部分，其基于基本检测信号和谐波检测信号执行检测操作。

公开(公告)号：US09046968B2

公开(公告)日：2015-06-02

申请号：US12794289

申请日：2010-06-04

申请人： Kouji Noguchi ,  Tsutomu Harada ,  Yoshitoshi Kida ,  Takayuki Nakanishi ,  Koji Ishizaki ,  Takeya Takeuchi

发明人： Kouji Noguchi ,  Tsutomu Harada ,  Yoshitoshi Kida ,  Takayuki Nakanishi ,  Koji Ishizaki ,  Takeya Takeuchi

IPC分类号： G06F3/044 ,  G02F1/1333

CPC分类号： G06F3/044 ,  G02F1/13338

摘要： A capacitance-type touch panel, allowing disturbance noise and touch detection time to be reduced and having a simple configuration, is provided. The capacitance-type touch panel including: a plurality of drive electrodes each having a strip shape; a drive control circuit performing control such that a drive signal for touch detection is selectively applied to the drive electrodes; a plurality of touch detection electrodes arranged to intersect with the drive electrodes in such a manner that capacitance is formed in each intersecting part, and each outputting a detection signal in synchronization with the drive signal; and a detection circuit detecting an external proximity object based on the detection signal. The drive control circuit controls application of the drive signal in such a manner that the detection signal is a polarity-alternating signal including a positive-negative asymmetrical signal component which is due to presence of the external proximity object.

摘要翻译： 提供一种能够减少干扰噪声和触摸检测时间并且具有简单配置的电容式触摸面板。 电容型触摸面板包括：多个驱动电极，每个驱动电极具有带状; 执行控制的驱动控制电路，使得用于触摸检测的驱动信号被选择性地施加到驱动电极; 多个触摸检测电极，其布置成与驱动电极交叉，使得在每个交叉部分形成电容，并且各自与驱动信号同步地输出检测信号; 以及基于检测信号检测外部邻近对象的检测电路。 驱动控制电路控制驱动信号的施加，使得检测信号是包括由于存在外部接近物体而产生的正负非对称信号分量的极性交替信号。

公开(公告)号：US08633905B2

公开(公告)日：2014-01-21

申请号：US12790146

申请日：2010-05-28

申请人： Tsutomu Harada ,  Kouji Noguchi ,  Yoshitoshi Kida ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

发明人： Tsutomu Harada ,  Kouji Noguchi ,  Yoshitoshi Kida ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

IPC分类号： G06F3/041

CPC分类号： G06F3/0412 ,  G02F1/13338

摘要： A display includes: display pixel electrodes; common electrodes; a display layer; a display control circuit performing image display control based on an image signal; touch detection electrodes each arranged to form a capacitance between each of the touch detection electrodes and each of the common electrodes; and a touch detection circuit detecting an external proximity object based on a detection signal obtained from the touch detection electrodes with use of a common drive voltage for display applied to the common electrodes by the display control circuit as a touch sensor drive signal. The touch detection circuit includes: an A/D (analog-digital) converter section performing sampling of a detection signal obtained from each of the touch detection electrodes at three or more different sampling frequencies to produce three or more sampling detection signals, and a detection section performing a detection operation based on the three or more sampling detection signals.

摘要翻译： 显示器包括：显示像素电极; 公共电极 显示层; 显示控制电路，其基于图像信号进行图像显示控制; 触摸检测电极，每个触摸检测电极被布置成在每个触摸检测电极和每个公共电极之间形成电容; 以及触摸检测电路，通过利用由显示控制电路作为触摸传感器驱动信号施加到公共电极的公共驱动电压，基于从触摸检测电极获得的检测信号来检测外部接近对象。 触摸检测电路包括：A / D（模拟数字）转换器部分，以三个或更多个不同的采样频率执行从每个触摸检测电极获得的检测信号的采样，以产生三个或更多个采样检测信号，以及检测 基于三个或更多个采样检测信号执行检测操作。

公开(公告)号：US20110134076A1

公开(公告)日：2011-06-09

申请号：US13059044

申请日：2010-06-14

申请人： Yoshitoshi Kida ,  Koji Ishizaki ,  Kouji Noguchi ,  Takeya Takeuchi ,  Tsutomu Harada ,  Takayuki Nakanishi

发明人： Yoshitoshi Kida ,  Koji Ishizaki ,  Kouji Noguchi ,  Takeya Takeuchi ,  Tsutomu Harada ,  Takayuki Nakanishi

IPC分类号： G06F3/044

CPC分类号： G06F3/0412 ,  G06F3/0418 ,  G06F3/044

摘要： A capacitive touch panel capable of reducing a disturbance noise and reducing touch detection time with a simple structure is obtained. The capacitive touch panel includes: a plurality of drive electrodes each to which a drive signal for touch detection is applied; a plurality of touch detection electrodes arranged to intersect the plurality of drive electrodes, and each outputting a detection signal synchronized with the drive signal; a first sampling circuit (A/D conversion circuits 72 and 73) extracting a first series of sampling signal including a signal component with first level and a noise component, from the detection signal; a second sampling circuit (A/D conversion circuits 75 and 76) extracting a second series of sampling signal including a signal component with second level different from the first level and the noise component, from the detection signal; a filter circuit (digital LPFs 81 and 82) performing a high range cut process on the first series of sampling signal and the second series of sampling signal; and a computation circuit (a subtraction circuit 90) determining a signal for touch detection based on an output of the filter circuit.

摘要翻译： 可以获得能够以简单的结构降低干扰噪声并减少触摸检测时间的电容式触摸面板。 电容式触摸面板包括：多个驱动电极，各自被施加用于触摸检测的驱动信号; 多个触摸检测电极，被配置为与多个驱动电极相交，并且各自输出与驱动信号同步的检测信号; 第一采样电路（A / D转换电路72和73）从检测信号中提取包括具有第一电平的信号分量和噪声分量的第一系列采样信号; 第二采样电路（A / D转换电路75和76）从检测信号中提取包括具有与第一电平不同的第二电平的信号分量和噪声分量的第二系列采样信号; 对所述第一采样信号和所述第二采样信号序列执行高范围切断处理的滤波器电路（数字LPF 81和82） 以及基于滤波器电路的输出来确定用于触摸检测的信号的计算电路（减法电路90）。

公开(公告)号：US09013415B2

公开(公告)日：2015-04-21

申请号：US12796181

申请日：2010-06-08

申请人： Yasuyuki Teranishi ,  Kouji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

发明人： Yasuyuki Teranishi ,  Kouji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

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

CPC分类号： G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/0416

摘要： An information input device includes a touch panel which is provided with a touch sensor capable of sensing a position in which a sensing target body is close to a sensing surface thereof. The touch sensor includes a scanning electrode and a detection electrode which faces and is spaced from the scanning electrode with a dielectric body being interposed therebetween, the touch sensor being configured so that electrostatic capacitance which is formed between the scanning electrode and the detection electrode is varied when the sensing target body is close to the detection electrode. The detection electrode is formed with a slit in a surface thereof which faces the scanning electrode, and a floating electrode is installed in the slit.

摘要翻译： 信息输入装置包括触摸面板，该触摸面板设置有能够感测感测对象体靠近感测面的位置的触摸传感器。 触摸传感器包括扫描电极和检测电极，该扫描电极和检测电极面对并与扫描电极间隔开，介电体插入其间，触摸传感器构造成使得形成在扫描电极和检测电极之间的静电电容变化 当感测对象物体靠近检测电极时。 检测电极在其表面上形成有与扫描电极相对的狭缝，并且浮动电极安装在狭缝中。

公开(公告)号：US20100328268A1

公开(公告)日：2010-12-30

申请号：US12796181

申请日：2010-06-08

申请人： Yasuyuki Teranishi ,  Kouji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

发明人： Yasuyuki Teranishi ,  Kouji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Takeya Takeuchi

IPC分类号： G06F3/042

CPC分类号： G06F3/044 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/0416

摘要： An information input device includes a touch panel which is provided with a touch sensor capable of sensing a position in which a sensing target body is close to a sensing surface thereof. The touch sensor includes a scanning electrode and a detection electrode which faces and is spaced from the scanning electrode with a dielectric body being interposed therebetween, the touch sensor being configured so that electrostatic capacitance which is formed between the scanning electrode and the detection electrode is varied when the sensing target body is close to the detection electrode. The detection electrode is formed with a slit in a surface thereof which faces the scanning electrode, and a floating electrode is installed in the slit.

摘要翻译： 信息输入装置包括触摸面板，该触摸面板设置有能够感测感测对象体靠近感测面的位置的触摸传感器。 触摸传感器包括扫描电极和检测电极，该扫描电极和检测电极面对并与扫描电极间隔开，介电体插入其间，触摸传感器构造成使得形成在扫描电极和检测电极之间的静电电容变化 当感测对象物体靠近检测电极时。 检测电极在其表面上形成有与扫描电极相对的狭缝，并且浮动电极安装在狭缝中。

公开(公告)号：US08976123B2

公开(公告)日：2015-03-10

申请号：US12765592

申请日：2010-04-22

申请人： Kouji Noguchi ,  Takayuki Nakanishi ,  Koji Ishizaki ,  Takeya Takeuchi ,  Yasuyuki Teranishi

发明人： Kouji Noguchi ,  Takayuki Nakanishi ,  Koji Ishizaki ,  Takeya Takeuchi ,  Yasuyuki Teranishi

IPC分类号： G06F3/041 ,  G02F1/1333 ,  G06F3/044 ,  G02F1/1343 ,  G09G3/36

CPC分类号： G06F3/044 ,  G02F1/13338 ,  G02F2001/134372 ,  G02F2201/121 ,  G06F3/0412 ,  G09G3/3611 ,  G09G3/3648 ,  G09G5/18 ,  G09G2300/0426

摘要： The display device with high detection accuracy includes: display pixel electrodes; a common electrode; a display function layer; a display control circuit performing image display control by applying a pixel voltage to each of the display pixel electrodes and applying a common drive voltage to the common electrode, the common drive voltage inverting in synchronization with a drive cycle of the image display control; a touch detection electrode cooperating with the common electrode to form a capacitor; and a touch detection circuit detecting an external proximity object, based on a detection signal obtained from the touch detection electrode in response to the common drive voltage applied to the common electrode. The touch detection circuit corrects the detection signal based on a gray scale of the image signal at the time of acquisition of the detection signal, and performs the detection operation.

摘要翻译： 具有高检测精度的显示装置包括：显示像素电极; 公共电极; 显示功能层; 显示控制电路，通过向所述显示像素电极施加像素电压并向所述公共电极施加公共驱动电压来执行图像显示控制，所述公共驱动电压与所述图像显示控制的驱动循环同步地反转; 触摸检测电极，与公共电极配合，形成电容器; 以及触摸检测电路，用于响应于施加到所述公共电极的公共驱动电压，基于从所述触摸检测电极获得的检测信号来检测外部接近物体。 触摸检测电路在获取检测信号时基于图像信号的灰度校正检测信号，并执行检测操作。

公开(公告)号：US20100328291A1

公开(公告)日：2010-12-30

申请号：US12820685

申请日：2010-06-22

申请人： Koji Ishizaki ,  Kouji Noguchi ,  Takayuki Nakanishi ,  Yasuyuki Teranishi ,  Takeya Takeuchi

发明人： Koji Ishizaki ,  Kouji Noguchi ,  Takayuki Nakanishi ,  Yasuyuki Teranishi ,  Takeya Takeuchi

IPC分类号： G09G5/00

CPC分类号： G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/045 ,  G06F2203/04101 ,  G06F2203/04112 ,  G06K9/0051 ,  G09G3/36 ,  G09G3/3607 ,  G09G3/3614 ,  G09G3/3655 ,  G09G3/3659 ,  G09G3/3696 ,  G09G2310/0248 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2320/0204 ,  G09G2320/0209 ,  G09G2320/0219 ,  G09G2320/029

摘要： A display device includes: a display functional layer that can change display for each pixel in accordance with an application voltage; a plurality of driving electrodes separately disposed in one direction; a plurality of pixel signal lines to which pixel signals used for applying the application voltage to the display functional layer in accordance with an electric potential difference from the display reference electric potential are applied; a plurality of detection electrodes that are separately disposed in a direction other than the one direction, are coupled with the driving electrodes as electrostatic capacitance, generate detection electric potentials in response to the detection driving signal, and change the detection electric potential in accordance with approach of a detection target object; and a pixel signal control unit that controls the pixel signals so as to include pixel signals having different polarities during the display period.

摘要翻译： 显示装置包括：可根据应用电压改变每个像素的显示的显示功能层; 分别设置在一个方向上的多个驱动电极; 施加用于根据与显示基准电位的电位差将施加电压施加到显示功能层的像素信号的多个像素信号线; 在除了一个方向以外的方向上分开设置的多个检测电极与驱动电极耦合作为静电电容，根据检测驱动信号产生检测电位，并根据接近方式改变检测电位 的检测对象; 以及像素信号控制单元，其在显示周期期间控制像素信号以包括具有不同极性的像素信号。

公开(公告)号：US09274653B2

公开(公告)日：2016-03-01

申请号：US12791667

申请日：2010-06-01

申请人： Koji Ishizaki ,  Kouji Noguchi ,  Takeya Takeuchi ,  Takayuki Nakanishi ,  Yasuyuki Teranishi

发明人： Koji Ishizaki ,  Kouji Noguchi ,  Takeya Takeuchi ,  Takayuki Nakanishi ,  Yasuyuki Teranishi

IPC分类号： G06F3/044

CPC分类号： G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F3/047 ,  G06F2203/04106 ,  G06F2203/04108 ,  G06F2203/04112

摘要： A touch detection device includes: a detection surface; a plurality of sensor lines formed from a plurality of types of wiring lines having a different line capacitance; and a touch detection unit which detects an electric variation generated in a plurality of the sensor lines in response to touch or proximity of a detection target object to the detection surface, wherein the touch detection unit has an operational circuit for generating a detection signal representing the electric variation by performing an operation process using a line capacitance ratio for a plurality of outputs from a plurality of types of the sensor lines neighboring to one another with a different line capacitance.

摘要翻译： 触摸检测装置包括：检测表面; 由具有不同线路电容的多种类型的布线形成的多个传感器线; 以及触摸检测单元，其响应于检测对象与检测表面的接触或接近而检测在多个传感器线中产生的电变化，其中所述触摸检测单元具有用于产生表示所述检测对象的检测信号的操作电路 通过使用具有不同线电容的彼此相邻的多种传感器线的多个输出，使用线电容比进行运算处理的电变化。