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    • 67. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME
    • 液晶显示装置及其驱动方法
    • US20140146097A1
    • 2014-05-29
    • US14131239
    • 2012-05-29
    • Kenichi Kimura
    • Kenichi Kimura
    • G09G3/36G09G3/20
    • G09G3/3648G09G3/2003G09G2320/0233G09G2320/0242G09G2320/0252G09G2320/0285G09G2340/16
    • An adjacent gradation correcting unit 11 performs processing for correcting gradations of sub-pixels to a video signal X2 after overshoot processing. When determining that a gradation of a target sub-pixel corresponds to a higher liquid crystal application voltage than that of a gradation of an adjacent sub-pixel, and that a gradation difference between the target sub-pixel and the adjacent sub-pixel is large, the adjacent gradation correcting unit 11 corrects the gradation of the adjacent sub-pixel so as to make the gradation difference smaller. In driving a liquid crystal panel 1, a video signal X3 after correction obtained by the adjacent gradation correcting unit 11 is used. With this, when displaying a specific color, such as red, green, or blue, it is possible to suppress a lateral electric field occurring between two sub-pixels that are adjacent to each other, and to improve response speed of the liquid crystal panel 1.
    • 相邻灰度校正单元11执行用于在过冲处理之后将子像素的灰度校正为视频信号X2的处理。 当确定目标子像素的灰度对应于比相邻子像素的灰度更高的液晶施加电压,并且目标子像素和相邻子像素之间的灰度差大时 相邻灰度校正单元11校正相邻子像素的灰度以使灰度差变小。 在驱动液晶面板1时,使用由相邻灰度校正单元11获得的校正后的视频信号X3。 由此,当显示诸如红,绿或蓝的特定颜色时,可以抑制彼此相邻的两个子像素之间产生的横向电场,并且提高液晶面板的响应速度 1。