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    • 9. 发明授权
    • Touch detection function-attached display apparatus, driving method and driving circuit therefor with switchable AC and DC driving, and electronic apparatus
    • 具有触摸检测功能的显示装置,驱动方法和驱动电路,具有可切换的AC和DC驱动以及电子设备
    • US08952923B2
    • 2015-02-10
    • US13137344
    • 2011-08-08
    • Hiroshi MizuhashiYoshitoshi Kida
    • Hiroshi MizuhashiYoshitoshi Kida
    • G06F3/045G09G3/36G06F3/041G06F3/044
    • G06F3/0412G06F3/0416G06F3/044G09G3/3655G09G3/3677
    • Provided is a touch-detection-function-attached display apparatus including: common-driving electrodes disposed in parallel to extend in one direction; a display device performing display based on pixel and display-driving signals; a touch-detection device detecting an externally-approaching object based on a touch-detection-driving signal; and a scan-driving unit performing a first-scan driving for sequentially-applying the display-driving signal to the common-driving electrodes in a time-division manner and a second-scan driving for sequentially-applying the touch-detection-driving signal to the common-driving electrodes in a time-division manner at a scan speed different from the first-scan-driving and applying a DC potential to the common-driving electrode which is not selected as an object of the first and second scan driving, wherein the touch-detection-driving signal includes a DC portion sustained at the DC potential in a time interval where the pixel signal is applied to the display device and a pulse portion in a time interval other than the pixel-signal-application time interval.
    • 提供一种具有触摸检测功能的显示装置,包括:平行布置的共同驱动电极,沿一个方向延伸; 基于像素和显示驱动信号执行显示的显示装置; 基于触摸检测驱动信号检测外部接近物体的触摸检测装置; 以及扫描驱动单元,其执行用于以时分方式将显示驱动信号顺序地施加到共驱动电极的第一扫描驱动和用于顺序施加触摸检测驱动信号的第二扫描驱动 以与第一扫描驱动不同的扫描速度以及将未被选择为第一和第二扫描驱动的目标的公共驱动电极施加DC电位的时分方式分配到共驱动电极, 其中所述触摸检测驱动信号包括在所述像素信号被施加到所述显示装置的时间间隔内以直流电位维持的直流部分和除了所述像素信号施加时间间隔之外的时间间隔中的脉冲部分。