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    • 10. 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。