公开(公告)号：US08933895B2

公开(公告)日：2015-01-13

申请号：US13067934

申请日：2011-07-08

申请人： Takayuki Nakanishi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Koji Ishizaki

发明人： Takayuki Nakanishi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Koji Ishizaki

IPC分类号： G06F3/041 ,  G06F3/044 ,  G09G3/36

CPC分类号： G06F3/045 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04101 ,  G09G3/3655 ,  G09G3/3677 ,  G09G2354/00

摘要： A display device with a touch detection function includes a plurality of common drive electrodes arranged side by side to extend in one direction, a display element performing display, based on a pixel signal and a display drive signal, a touch detection element of electrostatic capacitance type detecting an external proximity object based on a touch detection drive signal with an amplitude larger than that of the display drive signal, and a scan drive section performing first scan drive and second scan drive, the first scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the display drive signal in a time-divisional manner, and the second scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the touch detection drive signal in a time-divisional manner.

摘要翻译： 具有触摸检测功能的显示装置包括：沿一个方向并排布置的多个公共驱动电极，基于像素信号和显示驱动信号执行显示的显示元件，静电电容型触摸检测元件 基于具有大于所述显示驱动信号的振幅的触摸检测驱动信号来检测外部邻近对象;以及扫描驱动部，执行第一扫描驱动和第二扫描驱动，所述第一扫描驱动允许所述多个公共驱动电极 以时分方式顺序地提供显示驱动信号，并且允许以分时方式顺序地提供多个公共驱动电极的第二扫描驱动。

公开(公告)号：US20120044195A1

公开(公告)日：2012-02-23

申请号：US13067934

申请日：2011-07-08

申请人： Takayuki Nakanishi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Koji Ishizaki

发明人： Takayuki Nakanishi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Hiroshi Mizuhashi ,  Koji Ishizaki

IPC分类号： G06F3/045 ,  G06F3/041

CPC分类号： G06F3/045 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04101 ,  G09G3/3655 ,  G09G3/3677 ,  G09G2354/00

摘要： A display device with a touch detection function includes a plurality of common drive electrodes arranged side by side to extend in one direction, a display element performing display, based on a pixel signal and a display drive signal, a touch detection element of electrostatic capacitance type detecting an external proximity object based on a touch detection drive signal with an amplitude larger than that of the display drive signal, and a scan drive section performing first scan drive and second scan drive, the first scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the display drive signal in a time-divisional manner, and the second scan drive allowing the plurality of common drive electrodes to be sequentially supplied with the touch detection drive signal in a time-divisional manner.

摘要翻译： 具有触摸检测功能的显示装置包括：沿一个方向并排布置的多个公共驱动电极，基于像素信号和显示驱动信号执行显示的显示元件，静电电容型触摸检测元件 基于具有大于所述显示驱动信号的振幅的触摸检测驱动信号来检测外部邻近对象;以及扫描驱动部，执行第一扫描驱动和第二扫描驱动，所述第一扫描驱动允许所述多个公共驱动电极 以时分方式顺序地提供显示驱动信号，并且允许以分时方式顺序地提供多个公共驱动电极的第二扫描驱动。

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：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：US09019231B2

公开(公告)日：2015-04-28

申请号：US13137338

申请日：2011-08-08

申请人： Yuichiro Minami ,  Masahiro Minegishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yoshitoshi Kida ,  Kohei Azumi

发明人： Yuichiro Minami ,  Masahiro Minegishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yoshitoshi Kida ,  Kohei Azumi

IPC分类号： G06F3/045 ,  G06F3/044

CPC分类号： G06F3/047 ,  G06F3/044 ,  G09G3/3611 ,  G09G2300/0426

摘要： A display device with a touch detection function includes a display function layer, a plurality of touch detection electrodes arranged side by side to extend in a first direction, and a plurality of drive electrodes arranged side by side to extend in a second direction, electrostatic capacitance being formed at intersections of the touch detection electrodes and the drive electrodes. The plurality of drive electrodes extends to a first position or a second position outside of the first position, the first position being away from a center of an outermost touch detection electrode by a half length of an arrangement pitch of the touch detection electrodes, the outermost touch detection electrode being defined as outermost one of touch detection electrodes included in an effective display region of the display function layer, and an outer edge of the effective display region is located on or inside the first position.

摘要翻译： 具有触摸检测功能的显示装置包括显示功能层，并排布置成沿第一方向延伸的多个触摸检测电极以及并排设置的多个沿第二方向延伸的驱动电极，静电电容 形成在触摸检测电极和驱动电极的交点处。 多个驱动电极延伸到第一位置外的第一位置或第二位置，第一位置远离最外触摸检测电极的中心半个长度的触摸检测电极的排列间距，最外侧 触摸检测电极被定义为包括在显示功能层的有效显示区域中的触摸检测电极的最外面的一个，并且有效显示区域的外边缘位于第一位置或内部。

公开(公告)号：US20120075239A1

公开(公告)日：2012-03-29

申请号：US13137340

申请日：2011-08-08

申请人： Kohei Azumi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Koji Ishizaki

发明人： Kohei Azumi ,  Yoshitoshi Kida ,  Koji Noguchi ,  Koji Ishizaki

IPC分类号： G06F3/045

CPC分类号： G06F3/0416 ,  G02F1/13338 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/1368 ,  G02F2001/133302 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04112

摘要： A touch detector capable of achieving high position resolution while improving detection sensitivity to a touch is provided. The touch detector includes: a plurality of drive electrodes arranged side by side to extend in one direction; a detection electrode extending in a direction orthogonal to a direction where the drive electrodes extend, and arranged to form a capacitance at each of intersections with the drive electrodes; and a scanning drive section sequentially selecting a predetermined plural number of target electrodes from the plurality of drive electrodes in a time-divisional manner, and applying a touch detection drive signal with a plurality of pulse waveforms for detecting an external adjacent object to the selected target electrodes to perform a scanning drive. A scanning pitch in the scanning drive is smaller than the total width of the plural number of selected target electrodes.

摘要翻译： 提供一种能够在提高对触摸的检测灵敏度的同时实现高位置分辨率的触摸检测器。 触摸检测器包括：沿一个方向并排布置的多个驱动电极; 检测电极，其在与驱动电极延伸的方向正交的方向上延伸，并且布置成在与驱动电极的每个交点处形成电容; 以及扫描驱动部，其以时分方式从多个驱动电极依次选择预定的多个目标电极，并且将具有用于检测外部相邻对象的多个脉冲波形的触摸检测驱动信号施加到所选择的目标 电极执行扫描驱动。 扫描驱动器中的扫描间距小于多个所选目标电极的总宽度。

公开(公告)号：US20120075238A1

公开(公告)日：2012-03-29

申请号：US13137338

申请日：2011-08-08

申请人： Yuichiro Minami ,  Masahiro Minegishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yoshitoshi Kida ,  Kohei Azumi

发明人： Yuichiro Minami ,  Masahiro Minegishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yoshitoshi Kida ,  Kohei Azumi

IPC分类号： G06F3/045

CPC分类号： G06F3/047 ,  G06F3/044 ,  G09G3/3611 ,  G09G2300/0426

摘要： A display device with a touch detection function includes a display function layer, a plurality of touch detection electrodes arranged side by side to extend in a first direction, and a plurality of drive electrodes arranged side by side to extend in a second direction, electrostatic capacitance being formed at intersections of the touch detection electrodes and the drive electrodes. The plurality of drive electrodes extends to a first position or a second position outside of the first position, the first position being away from a center of an outermost touch detection electrode by a half length of an arrangement pitch of the touch detection electrodes, the outermost touch detection electrode being defined as outermost one of touch detection electrodes included in an effective display region of the display function layer, and an outer edge of the effective display region is located on or inside the first position.

摘要翻译： 具有触摸检测功能的显示装置包括显示功能层，并排布置成沿第一方向延伸的多个触摸检测电极以及并排设置的多个沿第二方向延伸的驱动电极，静电电容 形成在触摸检测电极和驱动电极的交点处。 多个驱动电极延伸到第一位置外的第一位置或第二位置，第一位置远离最外触摸检测电极的中心半个长度的触摸检测电极的排列间距，最外侧 触摸检测电极被定义为包括在显示功能层的有效显示区域中的触摸检测电极的最外面的一个，并且有效显示区域的外边缘位于第一位置或内部。