Patent ID: 7345682
Filing Date: 2008-03-18
Classification: G09G

Abstract:
1. A display panel drive for tone-driving, responding to pixel data based on a video signal, a display panel in which a field display period of the video signal is constituted by a plurality of subfields, and pixel cells each carrying a pixel for n (where n is a natural number) display lines are arranged, the display panel drive comprising: a multi-grayscale component for deriving multi-grayscale pixel data by adding each different offset value to the pixel data corresponding to a display line group including [M·(k−1)+1]th display lines (where M is a natural number, and k is a natural number of n/M or smaller) of the display panel, a display line group including [M·(k−1)+2]th display lines thereof, a display line group including [M·(k−1)+3]th display lines thereof, . . . , a display line group including [M·(k−1)+M]th display lines thereof; and an address component for dividing at least one of said plurality of subfields into M subsubfields, and in said subsubfields, respectively, performing a lighting mode setting or an extinction mode setting to each of the pixel cells for a different one of the display line groups, based on the multi-grayscale pixel data with respect to each of the pixel cells belonging to the corresponding display line group in said M subsubfields, and a light emission sustaining component for weighting said display line groups with different brightness values, respectively.