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    • 7. 发明申请
    • TOUCHSCREEN AND DRIVING METHOD THEREOF
    • 触摸及其驱动方法
    • US20110122079A1
    • 2011-05-26
    • US12949805
    • 2010-11-19
    • PO-SHENG SHIHCHIH-HAN CHAOPO-YANG CHEN
    • PO-SHENG SHIHCHIH-HAN CHAOPO-YANG CHEN
    • G06F3/041
    • G06F3/0416G06F3/045
    • A touchscreen includes a touch panel including a plurality of sensor electrodes, a drive circuit including a plurality of the first transistors respectively corresponding to the sensor electrodes. The drive circuit is configured for detecting voltage on the sensor electrodes. When the touchscreen is initializing, a first voltage is provided to pre-charge the sensor electrodes, and a second voltage is provided to further charge the sensor electrodes via each first transistor. In addition, the first voltage and a voltage difference formed between the first and the second voltage are both less than or about equal to the source-drain withstanding voltage of each first transistor.
    • 触摸屏包括包括多个传感器电极的触摸面板,包括分别对应于传感器电极的多个第一晶体管的驱动电路。 驱动电路被配置用于检测传感器电极上的电压。 当触摸屏正在初始化时,提供第一电压以对传感器电极进行预充电,并且提供第二电压以进一步对每个第一晶体管对传感器电极进行充电。 此外,在第一和第二电压之间形成的第一电压和电压差均小于或等于每个第一晶体管的源极 - 漏极耐受电压。
    • 9. 发明申请
    • MULTI-TOUCH DETECTING METHOD FOR DETECTING LOCATIONS OF TOUCHED POINTS ON A TOUCH PANEL
    • 用于检测触控面板上触摸点位置的多触摸检测方法
    • US20110007027A1
    • 2011-01-13
    • US12826585
    • 2010-06-29
    • PO-YANG CHENPO-SHENG SHIH
    • PO-YANG CHENPO-SHENG SHIH
    • G06F3/045
    • G06F3/045G06F3/0416G06F2203/04104
    • A multi-touch detecting method is adapted for detecting touched points on a touch panel that includes first and second conductive films. The first conductive film exhibits electric anisotropy, and has a lower resistivity in a first direction. The multi-touch detecting method includes: applying a first voltage to the first conductive film; applying a second voltage greater than the first voltage to the second conductive film; measuring sequentially voltages at different measuring points of the first conductive film; obtaining a first local maximum voltage, a second local maximum voltage and a local minimum voltage from the measured voltages; determining a first location of the touched points based on a location of the measuring point corresponding to the first local maximum voltage; and determining a second location of the touched points based on a location of the measuring point corresponding to the second local maximum voltage.
    • 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。 第一导电膜显示出各向异性,并且在第一方向上具有较低的电阻率。 所述多点触摸检测方法包括:向所述第一导电膜施加第一电压; 将大于所述第一电压的第二电压施加到所述第二导电膜; 在第一导电膜的不同测量点依次测量电压; 从测量的电压获得第一局部最大电压,第二局部最大电压和局部最小电压; 基于与第一局部最大电压对应的测量点的位置来确定触摸点的第一位置; 以及基于与所述第二局部最大电压对应的所述测量点的位置来确定所述触摸点的第二位置。
    • 10. 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。