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    • 5. 发明申请
    • DISPLAY DEVICE AND ELECTRONIC UNIT
    • 显示设备和电子单元
    • US20100289765A1
    • 2010-11-18
    • US12771759
    • 2010-04-30
    • Kouji NoguchiKoji IshizakiTakayuki NakanishiTakeya TakeuchiYasuyuki Teranishi
    • Kouji NoguchiKoji IshizakiTakayuki NakanishiTakeya TakeuchiYasuyuki Teranishi
    • G06F3/041
    • G02F1/13338G06F3/0412G06F3/044G09G3/3614G09G3/3648
    • The display device with high detection accuracy includes: display pixel electrodes; a common electrode; a display function layer; a display control circuit performing image display control by applying a pixel voltage to each of the display pixel electrodes and applying a common drive voltage to the common electrode, the common drive voltage inverting in synchronization with a drive cycle of the image display control; a touch detection electrode cooperating with the common electrode to form a capacitor; and a touch detection circuit detecting an external proximity object, based on a detection signal obtained from the touch detection electrode in response to the common drive voltage applied to the common electrode. The touch detection circuit performs the detection operation in a inversion period following an inversion timing of the common drive voltage, based on both first and second detection signals obtained before and after the inversion timing, respectively.
    • 具有高检测精度的显示装置包括:显示像素电极; 公共电极; 显示功能层; 显示控制电路,通过向所述显示像素电极施加像素电压并向所述公共电极施加公共驱动电压来执行图像显示控制,所述公共驱动电压与所述图像显示控制的驱动周期同步地反转; 触摸检测电极,与公共电极配合,形成电容器; 以及触摸检测电路,用于响应于施加到所述公共电极的公共驱动电压,基于从所述触摸检测电极获得的检测信号来检测外部接近物体。 触摸检测电路基于在反转定时之前和之后获得的第一和第二检测信号,在公共驱动电压的反转定时之后的反转时段中执行检测操作。
    • 7. 发明授权
    • Display device and electronic unit
    • 显示设备和电子单元
    • US09140922B2
    • 2015-09-22
    • US12771759
    • 2010-04-30
    • Kouji NoguchiKoji IshizakiTakayuki NakanishiTakeya TakeuchiYasuyuki Teranishi
    • Kouji NoguchiKoji IshizakiTakayuki NakanishiTakeya TakeuchiYasuyuki Teranishi
    • G06F3/041G02F1/1333G06F3/044G09G3/36
    • G02F1/13338G06F3/0412G06F3/044G09G3/3614G09G3/3648
    • The display device with high detection accuracy includes: display pixel electrodes; a common electrode; a display function layer; a display control circuit performing image display control by applying a pixel voltage to each of the display pixel electrodes and applying a common drive voltage to the common electrode, the common drive voltage inverting in synchronization with a drive cycle of the image display control; a touch detection electrode cooperating with the common electrode to form a capacitor; and a touch detection circuit detecting an external proximity object, based on a detection signal obtained from the touch detection electrode in response to the common drive voltage applied to the common electrode. The touch detection circuit performs the detection operation in a inversion period following an inversion timing of the common drive voltage, based on both first and second detection signals obtained before and after the inversion timing, respectively.
    • 具有高检测精度的显示装置包括:显示像素电极; 公共电极; 显示功能层; 显示控制电路,通过向所述显示像素电极施加像素电压并向所述公共电极施加公共驱动电压来执行图像显示控制,所述公共驱动电压与所述图像显示控制的驱动周期同步地反转; 触摸检测电极,与公共电极配合,形成电容器; 以及触摸检测电路,用于响应于施加到所述公共电极的公共驱动电压,基于从所述触摸检测电极获得的检测信号来检测外部接近物体。 触摸检测电路基于在反转定时之前和之后获得的第一和第二检测信号,在公共驱动电压的反转定时之后的反转时段中执行检测操作。