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    • 9. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20140210777A1
    • 2014-07-31
    • US14152143
    • 2014-01-10
    • Japan Display Inc.
    • Keiichi SAITOHideyuki TakahashiTakashi NakamuraSatoru TomitaMasahiro TadaHirotaka HayashiTakashi OkadaYoshiro AokiTakanori Tsunashima
    • G06F3/041G06F3/044
    • G06F3/0412G06F3/0416G06F3/044
    • According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.
    • 根据一个实施例,显示装置包括在显示区域中以矩阵状态分配的显示像素,图像读取装置,其通过接近或与显示区域接触的电介质材料来检测电容耦合的强度,以及 控制部分,其控制图像读取装置的每个晶体管。 图像读取装置包括在检测电极和电介质材料之间形成电容的检测电极,预充电栅极线,耦合脉冲线,读出栅极线,预充电线和读出线。 这些线路提供驱动图像读取装置的信号。 图像读取装置还包括预充电晶体管,放大晶体管,读出晶体管,补偿晶体管和电源开关晶体管。