Patent ID: 6362804
Filing Date: 2002-03-26
Classification: G09G

Abstract:
A liquid crystal display apparatus for displaying a picture representing picture data in a selected one of a first aspect ratio and a second aspect ratio being different than the first aspect ratio of a liquid crystal panel, comprising:first signal electrode driving means for driving signal electrodes in a main region where the picture in the first of second aspect ratio is displayed; second signal electrode driving signal electrodes in a side region of said main region where the picture in only one of the first and second aspect ratios, but not the picture in the other of the first and second aspect ratios, is displayed; and timing control means for varying a picture data sampling start time of said second signal electrode driving means in accordance with the selected one of said first and second aspect ratios, within a horizontal scanning interval, wherein a sampling frequency of the first and second signal electrode driving means are the same while displaying the second aspect ratio.