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    • 10. 发明授权
    • LCD device and drive circuit for discharging pixels in a stepwise manner during a display on sequence
    • LCD装置和用于在顺序显示期间以逐步方式排放像素的驱动电路
    • US08120563B2
    • 2012-02-21
    • US11883625
    • 2006-02-08
    • Kozo Takahashi
    • Kozo Takahashi
    • G09G3/36
    • G09G3/3648G09G2310/0205G09G2330/025G09G2330/026G09G2330/08
    • A display ON sequence for preventing problems in a display at the starting time of a liquid crystal display device is prevented from having malfunctions, which might otherwise be caused in a scanning line drive circuit by applying a voltage to scanning signal lines. In the display ON sequence at the starting time of the liquid crystal display device of an active matrix type, all the scanning signal lines of a liquid crystal panel are brought into a selected state thereby to release the electric charges in the liquid crystal capacity and the auxiliary capacity in each pixel forming portion through data signal lines. After this, the scanning signal lines are stepwise brought into an unselected state by dividing them several times, before their sequential selections (or scans) for the display are started. Thus, the electric current to flow through the bulk of the scanning signal line drive circuit is made lower than that of the prior art, in which the scanning signal lines were simultaneously brought into the unselected state.
    • 防止在液晶显示装置的开始时刻显示显示中的问题的显示ON序列具有可能在扫描线驱动电路中通过向扫描信号线施加电压而引起的故障。 在有源矩阵型的液晶显示装置的启动时的显示ON序列中,使液晶面板的全部扫描信号线处于选择状态,从而释放液晶容量的电荷, 通过数据信号线在每个像素形成部分中的辅助容量。 之后,扫描信号线在其显示的顺序选择(或扫描)开始之前通过分割数次而逐步进入未选择状态。 因此,通过扫描信号线驱动电路的大部分流过的电流比现有技术的电流低,其中扫描信号线同时处于未选择状态。