公开(公告)号：US20120044166A1

公开(公告)日：2012-02-23

申请号：US13067519

申请日：2011-06-07

Applicant: Hiroshi Mizuhashi ,  Takayuki Nakanishi

Inventor： Hiroshi Mizuhashi ,  Takayuki Nakanishi

IPC: G06F3/041

CPC classification number: G09G3/3655 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04108 ,  G09G3/3614 ,  G09G3/3677 ,  G09G2230/00 ,  G09G2300/0434 ,  G09G2310/0286

Abstract: A touch detecting function display apparatus includes a plurality of common driving electrodes, a display element performing display, a touch detection element detecting an external approaching object, and a scanning driving unit performing first scanning driving for sequentially applying a display driving signal to the plurality of common driving electrodes in a time division manner and second scanning driving for sequentially applying a touch detection driving signal to the plurality of common driving electrodes in a time division manner, wherein the scanning driving unit performs the second scanning driving at a scanning speed higher than that of the first scanning driving, and applies the display driving signal to an overlapping common driving electrode when the common driving electrode selected as a target of the first scanning driving overlaps with the common driving electrode selected as a target of the second scanning driving.

Abstract translation: 触摸检测功能显示装置包括多个公共驱动电极，执行显示的显示元件，检测外部接近物体的触摸检测元件以及执行第一扫描驱动的扫描驱动单元，以将显示驱动信号顺序地施加到多个 以时分方式的公共驱动电极和第二扫描驱动，用于以时分方式顺序地将多个公共驱动电极施加触摸检测驱动信号，其中扫描驱动单元以高于该扫描速度的扫描速度执行第二扫描驱动 并且当选择为第一扫描驱动的目标的公共驱动电极与被选择为第二扫描驱动的目标的公共驱动电极重叠时，将显示驱动信号施加到重叠的公共驱动电极。

公开(公告)号：US08072413B2

公开(公告)日：2011-12-06

申请号：US12260827

申请日：2008-10-29

Applicant: Takayuki Nakanishi ,  Yoshiharu Nakajima

Inventor： Takayuki Nakanishi ,  Yoshiharu Nakajima

IPC: G09G3/36 ,  G09G3/30 ,  G09G3/32

CPC classification number: H01L31/14 ,  G09G3/3406 ,  G09G3/3648 ,  G09G2360/14 ,  G09G2360/148

Abstract: A display device includes: a first detection section configured to detect the light intensity around a display area; a second detection section configured to detect the dark current when light is shielded; and a comparator configured to compare the difference output between the first and second detection section against a given reference value. The display device controls the light intensity supplied to the display area according to the comparison result of the comparator.

Abstract translation: 显示装置包括：第一检测部，被配置为检测显示区域周围的光强度; 第二检测部，被配置为当光被屏蔽时检测暗电流; 以及比较器，被配置为将第一和第二检测部之间的差输出与给定的参考值进行比较。 显示装置根据比较器的比较结果控制提供给显示区域的光强度。

公开(公告)号：US07973783B2

公开(公告)日：2011-07-05

申请号：US11882341

申请日：2007-08-01

Applicant: Yusuke Takahashi ,  Takayuki Nakanishi

Inventor： Yusuke Takahashi ,  Takayuki Nakanishi

IPC: G06F3/038

CPC classification number: G09G3/3688 ,  G09G3/3607 ,  G09G5/006 ,  G09G2310/027 ,  G09G2310/0281 ,  G09G2310/0289 ,  G09G2310/0297 ,  G09G2330/02 ,  G09G2330/021

Abstract: A power circuit includes: a frequency dividing circuit dividing the frequency of a first signal to which a level shift processing has been applied; a boosting circuit boosting the voltage according to an output signal from the frequency dividing circuit or a second signal having a lower frequency than that of the first signal as a boosting pulse; a level shifter; and a switching unit. The switching unit obtains a boosted voltage output from the boosting circuit after a boosting operation, performed by the boosting circuit having received the second signal, inputs the boosted voltage output to the level shifter such that the level shifter can execute level conversion of the first signal, and stops the boosting operation performed according to the second signal, thereafter inputting the level-shifted first signal to the boosting circuit via the frequency dividing circuit to obtain a final boosted voltage.

Abstract translation: 电源电路包括：分频电路，对施加了电平移位处理的第一信号进行分频; 升压电路根据来自分频电路的输出信号提高电压或者具有比第一信号低的频率的第二信号作为升压脉冲; 电平转换器 和开关单元。 在由接收到第二信号的升压电路执行的升压操作之后，开关单元获得从升压电路输出的升压电压，将升压电压输出到电平移位器，使得电平移位器可以执行第一信号的电平转换 ，并停止根据第二信号执行的升压操作，然后经由分频电路将升频电路输入电平移位的第一信号以获得最终升压电压。

公开(公告)号：US20110134076A1

公开(公告)日：2011-06-09

申请号：US13059044

申请日：2010-06-14

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

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

IPC: G06F3/044

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

Abstract: 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.

Abstract translation: 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：US20100328291A1

公开(公告)日：2010-12-30

申请号：US12820685

申请日：2010-06-22

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

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

IPC: G09G5/00

CPC classification number: 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

Abstract: 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.

Abstract translation: 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：US20100328259A1

公开(公告)日：2010-12-30

申请号：US12796455

申请日：2010-06-08

Applicant: Koji ISHIZAKI ,  Kouji NOGUCHI ,  Tsutomu HARADA ,  Takeya TAKEUCHI ,  Yoshitoshi KIDA ,  Takayuki NAKANISHI

Inventor： Koji ISHIZAKI ,  Kouji NOGUCHI ,  Tsutomu HARADA ,  Takeya TAKEUCHI ,  Yoshitoshi KIDA ,  Takayuki NAKANISHI

IPC: G06F3/045

CPC classification number: G06F3/0416 ,  G02F1/13338 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04108 ,  G09G3/3611

Abstract: 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.

Abstract translation: 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：US20100328239A1

公开(公告)日：2010-12-30

申请号：US12790146

申请日：2010-05-28

Applicant: Tsutomu HARADA ,  Kouji NOGUCHI ,  Yoshitoshi KIDA ,  Koji ISHIZAKI ,  Takayuki NAKANISHI ,  Takeya TAKEUCHI

Inventor： Tsutomu HARADA ,  Kouji NOGUCHI ,  Yoshitoshi KIDA ,  Koji ISHIZAKI ,  Takayuki NAKANISHI ,  Takeya TAKEUCHI

IPC: G06F3/041

CPC classification number: G06F3/0412 ,  G02F1/13338

Abstract: 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.

Abstract translation: 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：US20100309162A1

公开(公告)日：2010-12-09

申请号：US12788508

申请日：2010-05-27

Applicant: Takayuki Nakanishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yasuyuki Teranishi ,  Takeya Takeuchi

Inventor： Takayuki Nakanishi ,  Koji Noguchi ,  Koji Ishizaki ,  Yasuyuki Teranishi ,  Takeya Takeuchi

IPC: G06F3/045

CPC classification number: G06F3/044 ,  G06F3/03547 ,  G06F3/047 ,  G09G3/2983 ,  G09G3/2986 ,  H01J11/12

Abstract: A touch panel, a display panel, and a display unit achieving prevention of erroneous detection caused by external noise, are provided. The touch panel includes: a plurality of detection scan electrodes extending in a first direction; and a plurality of detection electrodes facing the plurality of detection scan electrodes and extending in a second direction which intersects the first direction. A ratio of fringe capacitance to total capacitance between one or more selected detection scan electrodes and a first detection electrode is different from a ratio of fringe capacitance to total capacitance between the one or more selected detection scan electrodes and a second detection electrode. The one or more selected detection scan electrodes are selected, in a desired unit, from the plurality of detection scan electrodes, to be supplied with a selection pulse, and each of the first and the second detection electrodes is selected from the plurality of detection electrodes.

Abstract translation: 提供了一种实现防止由外部噪声引起的错误检测的触摸面板，显示面板和显示单元。 触摸面板包括：沿第一方向延伸的多个检测扫描电极; 以及面对多个检测用扫描电极的多个检测电极，并且在与第一方向相交的第二方向上延伸。 一个或多个所选择的检测扫描电极和第一检测电极之间的边缘电容与总电容的比率不同于一个或多个所选检测扫描电极和第二检测电极之间的边缘电容与总电容的比率。 一个或多个选择的检测扫描电极以所需单位从多个检测扫描电极中选择，以被提供选择脉冲，并且第一和第二检测电极中的每一个从多个检测电极中选择 。

公开(公告)号：US20100302202A1

公开(公告)日：2010-12-02

申请号：US12662976

申请日：2010-05-13

Applicant: Takeya Takeuchi ,  Koji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Yasuyuki Teranishi

Inventor： Takeya Takeuchi ,  Koji Noguchi ,  Koji Ishizaki ,  Takayuki Nakanishi ,  Yasuyuki Teranishi

IPC: G06F3/045

CPC classification number: G06F3/0418 ,  G06F1/1643 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044

Abstract: A touch sensor includes a touch drive electrode, a touch detection electrode provided opposed to or side by side with the touch drive electrode and forming an electrostatic capacitance between the touch detection electrode and the touch drive electrode, and a touch detection circuit detecting a contact or proximity position of an object on the basis of a detection signal obtained from the touch detection electrode by applying a touch sensor drive signal to the touch drive electrode. The touch drive electrode is split into plural stripe-like electrode patterns. Applying the touch sensor drive signal to part of the electrode patterns forms a drive line at that time. The touch detection circuit performs a detection on the basis of a first detection signal obtained from a first drive line formed in a first period, and a second detection signal obtained from a second drive line formed in a second period.

Abstract translation: 触摸传感器包括触摸驱动电极，与触摸驱动电极相对或并排设置并在触摸检测电极和触摸驱动电极之间形成静电电容的触摸检测电极，以及检测触点的触摸检测电路 基于通过对触摸驱动电极施加触摸传感器驱动信号从触摸检测电极获得的检测信号，对象的接近位置。 触摸驱动电极被分成多个条状电极图案。 将触摸传感器驱动信号应用于部分电极图案形成驱动线。 触摸检测电路根据从第一期间形成的第一驱动线获得的第一检测信号和从在第二期间形成的第二驱动线获得的第二检测信号，进行检测。

公开(公告)号：US20100165004A1

公开(公告)日：2010-07-01

申请号：US12644841

申请日：2009-12-22

Applicant: Natsuki Otani ,  Takayuki Nakanishi ,  Daisuke Takama

Inventor： Natsuki Otani ,  Takayuki Nakanishi ,  Daisuke Takama

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G06F3/042 ,  G06F3/0412

Abstract: Disclosed herein is a display apparatus including: a display panel having a plurality of picture elements configured to execute display by driving a liquid crystal layer; a backlight configured to illuminate a display surface of the display panel from a backside; a photodetector arranged on the plurality of picture elements and configured to receive a light entered from the side of the display surface of the display panel; and a detection block configured to execute image recognition in the proximity of the display surface from a difference between a photodetection amount in the photodetector in a state where an illuminating light from the backlight is radiated from the display surface and a photodetection amount in the photodetector in a state where the illuminating light is blocked before the display surface.

Abstract translation: 这里公开了一种显示装置，包括：显示面板，具有被配置为通过驱动液晶层来执行显示的多个图像元素; 配置成从背面照亮显示面板的显示面的背光; 布置在所述多个图像元件上并被配置为接收从所述显示面板的显示表面侧进入的光的光电检测器; 以及检测块，被配置为在来自所述显示表面的来自所述背光源的照明光和来自所述光检测器的光检测器的光检测量的状态下，从所述光检测器的光检测量的差与所述显示面附近执行图像识别 照明光在显示面之前被遮挡的状态。