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    • 60. 发明授权
    • Driving method for liquid crystal device
    • 液晶装置的驱动方法
    • US06323850B1
    • 2001-11-27
    • US09300473
    • 1999-04-28
    • Kazunori KatakuraTakashi EnomotoTakao TakiguchiJun IbaSeishi Miura
    • Kazunori KatakuraTakashi EnomotoTakao TakiguchiJun IbaSeishi Miura
    • G09G336
    • G09G3/3651G09G3/2011G09G3/3614G09G2310/06G09G2310/061
    • A liquid crystal device of the active matrix-type having two-dimensionally arranged pixels along rows and columns is driven frame by frame. In each frame operation, a scanning selection period (TG) for each selected row is divided into a first period (t1) and a second period (t2). In t1 of a current frame (TF2), a reset pulse is applied to a pixel concerned, and the reset pulse is set to have an absolute value of voltage identical to and a polarity opposite to those of a writing pulse voltage applied to the pixel in the previous frame (TF1). Then, in t2 of the current frame (TF2), the pixel is supplied with a writing pulse depending on a prescribed display state of the pixel for the current frame. As a result, the reset period is shortened to favor a high-speed display and a higher resolution display.
    • 逐行驱动具有沿着行和列的二维排列的像素的有源矩阵型的液晶装置。 在每帧操作中,将每个所选行的扫描选择周期(TG)分成第一周期(t1)和第二周期(t2)。 在当前帧(TF2)的t1中,将复位脉冲施加到相关像素,并且复位脉冲被设置为具有与施加到像素的写入脉冲电压相同的极性的绝对值 在前一帧(TF1)中。 然后,在当前帧(TF2)的t2中,根据当前帧的像素的规定显示状态,向像素提供写入脉冲。 结果,复位周期缩短,有利于高速显示和更高分辨率的显示。