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    • 61. 发明授权
    • Device and method for driving liquid crystal display apparatus
    • 用于驱动液晶显示装置的装置和方法
    • US6100867A
    • 2000-08-08
    • US867909
    • 1997-06-03
    • Seijirou Gyouten
    • Seijirou Gyouten
    • G02F1/133G09G3/36
    • G09G3/3692G09G2310/06G09G2320/0223G09G2330/021
    • A segment side drive circuit, which drives segment electrodes of a liquid crystal panel, compares present display data and display data of the previous scanning period. Only when both display data correspond, the segment side drive circuit corrects the output voltage to an intermediate level according to a correction clock. Because a change is added when there is no change in the display pattern, an effect of rounding of the waveform can be equalized regardless of the display pattern, making it possible to eliminate the luminance unevenness. When the display data changes, loss of effective voltage due to correction is prevented thus suppressing an increase in the current consumption. Further it is made possible to provide two correction periods to thereby reduce spikes superposed on the common side when the display data changes, as well as eliminate the luminance unevenness.
    • 驱动液晶面板的段电极的段侧驱动电路比较当前显示数据和前一扫描周期的显示数据。 仅当两个显示数据相对应时,段侧驱动电路根据校正时钟将输出电压校正到中间电平。 由于在显示图案没有变化的情况下增加了变化,所以无论显示图案如何,均可以使波形的舍入的效果相等,从而可以消除亮度不均匀。 当显示数据变化时,防止由于校正引起的有效电压的损失,从而抑制电流消耗的增加。 此外,可以提供两个校正周期,从而当显示数据改变时减少叠加在公共侧上的尖峰,并且消除亮度不均匀性。
    • 70. 发明申请
    • DISPLAY DRIVING CIRCUIT, DISPLAY DEVICE, AND DISPLAY DRIVING METHOD
    • 显示驱动电路,显示设备和显示驱动方法
    • US20120206510A1
    • 2012-08-16
    • US13501174
    • 2010-06-04
    • Shige FurutaEtsuo YamamotoYuhichiroh MurakamiSeijirou Gyouten
    • Shige FurutaEtsuo YamamotoYuhichiroh MurakamiSeijirou Gyouten
    • G09G3/36G09G5/10
    • G09G3/3614G09G3/3655G09G2310/0267
    • A display device employing CC driving switches from (i) a first mode in which to carry out a display by converting resolution of a video signal by a factor of 2 in a column-wise direction to (ii) a second mode in which to carry out a display at the resolution of the video signal. During the first mode, signal potentials having the same polarity and the same gray scale are supplied to pixel electrodes included in respective two pixels that correspond to two adjacent scanning signal lines and that are adjacent to each other in the column-wise direction, and a direction of change in the signal potentials written to the pixel electrodes varies every two adjacent rows (2-line inversion driving). During the second mode, the direction of change in the signal potentials written to the pixel electrodes lines varies every single row (1-line inversion driving).
    • 一种采用CC驱动开关的显示装置,其从(i)第一模式,其中通过将视频信号的分辨率在列方向上转换为因子2来执行显示,以(ii)携带的第二模式 以视频信号的分辨率输出显示。 在第一模式中,具有相同极性和相同灰度的信号电位被提供给包括在相应于两个相邻扫描信号线并且在列方向上彼此相邻的两个像素中的像素电极,并且 写入像素电极的信号电位的变化方向每两个相邻行(2行反转驱动)变化。 在第二模式中,写入像素电极线的信号电位的变化方向每一行变化(1行反转驱动)。