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    • 5. 发明申请
    • TOUCH PANEL AND DIFFERENTIAL DETECTION METHOD FOR SAME
    • 触控面板和差分检测方法
    • US20110227863A1
    • 2011-09-22
    • US13044560
    • 2011-03-10
    • CHIEN-YUNG CHENGPO-SHENG SHIHPO-YANG CHEN
    • CHIEN-YUNG CHENGPO-SHENG SHIHPO-YANG CHEN
    • G06F3/045
    • G06F3/044
    • A touch panel and a differential detection method thereof are disclosed. A controller provides a driving signal to the i-th scan electrode. During providing the driving signal to the i-th scan electrode, the controller senses the feature difference value between two neighbouring sensing electrodes within the plural sensing electrodes, and senses the feature difference value ΔCi between the k-th sensing electrode within the sensing electrodes and a reference feature value, in which the feature difference values between the j-th sensing electrode and the (j+1)-th sensing electrode is represented by ΔC(i,j). The controller set the feature value of a base sensing point within a plurality of sensing points of the touch panel as a base feature value, and use the base feature value, the feature difference values ΔCi and the feature difference values ΔC(i,j) to calculate the feature values of the sensing points.
    • 公开了触摸面板及其差分检测方法。 控制器向第i扫描电极提供驱动信号。 在向第i扫描电极提供驱动信号期间,控制器感测多个感测电极内的两个相邻感测电极之间的特征差值,并且感测感测中的第k个感测电极之间的特征差值Dgr; Ci 电极和参考特征值,其中第j个感测电极和第(j + 1)个感测电极之间的特征差值由&Dgr; C(i,j)表示。 控制器将触摸面板的多个感测点内的基本感测点的特征值设置为基本特征值,并使用基本特征值,特征差值Dgr; Ci和特征差值Dgr; C( i,j)计算感测点的特征值。
    • 7. 发明申请
    • TOUCH PANEL AND MULTI-TOUCH DETECTING METHOD THEREOF
    • 触摸板和多触摸检测方法
    • US20110005844A1
    • 2011-01-13
    • US12825347
    • 2010-06-29
    • PO-YANG CHENPO-SHENG SHIHCHIH-HAN CHAOCHIEN-YUNG CHENG
    • PO-YANG CHENPO-SHENG SHIHCHIH-HAN CHAOCHIEN-YUNG CHENG
    • G06F3/045
    • G06F3/045G06F3/0416G06F3/04883G06F2203/04808
    • A multi-touch detecting method is adapted for detecting locations of touched points on a touch panel including first and second conductive films, and includes following steps. First measuring points of the first conductive film distributed along X-axis of a Cartesian plane are scanned, and x-components are determined accordingly. Second measuring points of the second conductive film distributed along Y-axis of the Cartesian plane are scanned, and y-components are determined accordingly. A first voltage is applied to the first conductive film, and A second voltage is applied to at least one of the second measuring points with the location on the Y-axis adjacent to or overlapping one of the y-components. Voltages at the first measuring points with the locations on the X-axis adjacent to or overlapping the x-components are measured sequentially and one of the y-components and one of the x-components are outputted.
    • 多点触摸检测方法适用于检测包括第一和第二导电膜的触摸面板上的触摸点的位置,并且包括以下步骤。 扫描沿笛卡尔平面的X轴分布的第一导电膜的第一测量点,并相应地确定x分量。 扫描沿笛卡尔平面的Y轴分布的第二导电膜的第二测量点,并相应地确定y分量。 将第一电压施加到第一导电膜,并且将第二电压施加到至少一个第二测量点,其中Y轴上的位置与y分量之一相邻或重叠。 依次测量与X分量相邻或与X分量重叠的X轴上的位置的第一测量点处的电压,并输出y分量和x分量中的一个。
    • 8. 发明申请
    • CAPACITIVE TOUCH PANEL, DRIVING METHOD FOR PREVENTING LEAKAGE CURRENT
    • 电容触控面板,防止泄漏电流的驱动方法
    • US20130135249A1
    • 2013-05-30
    • US13486662
    • 2012-06-01
    • PO-YANG CHENFENG-YU KUOPO-SHENG SHIHCHIEN-YUNG CHENGCHUN-LUNG HUANG
    • PO-YANG CHENFENG-YU KUOPO-SHENG SHIHCHIEN-YUNG CHENGCHUN-LUNG HUANG
    • G06F3/045
    • G06F3/0416G06F3/044
    • A capacitive touch panel includes a substrate; a transparent conductive layer with anisotropic impedance located on the substrate; a plurality of driving sensing electrodes located on the opposite two sides of the transparent conductive layer; at least one sensing unit connected to the plurality of driving sensing electrodes for scanning the plurality of driving sensing electrodes; at least one voltage compensation unit which provides a offset voltage, at least one voltage compensation unit has a first end and a second end, the first end of at least one voltage compensation unit is at least connected to one of the plurality of driving sensing electrodes, the second end of at least one voltage compensation unit is connected to a grounding voltage. The present application also relates to a driving method for preventing leakage current of the capacitive touch panel.
    • 电容式触摸面板包括基板; 位于基板上的具有各向异性阻抗的透明导电层; 多个驱动感测电极,位于透明导电层的相对的两侧; 至少一个感测单元,连接到所述多个驱动感测电极,用于扫描所述多个驱动感测电极; 至少一个电压补偿单元,其提供偏移电压,至少一个电压补偿单元具有第一端和第二端,所述至少一个电压补偿单元的第一端至少连接到所述多个驱动感测电极中的一个 至少一个电压补偿单元的第二端连接到接地电压。 本申请还涉及一种用于防止电容式触摸面板的漏电流的驱动方法。