Patent ID: 7876338
Filing Date: 2011-01-25
Classification: G09G

Abstract:
1. A method for driving a plasma display panel, comprising: generating a plurality of subfields based on an input video signal, the plurality of subfields are included in a frame; displaying gray-scale data according to weight values assigned to the subfields; and changing a number of subfields included in the frame based on a load ratio corresponding to the input video signal, wherein the subfields included in the frame are divided into at least two subfield groups according to a predetermined weight value, and wherein an idle period is divided into at least first and second idle periods, the first idle period placed at a starting point of the frame before the first subfield group, the second idle period placed between two divided subfield groups, and the idle period being substantially a residual period of the frame excluding the subfields such that the at least first and second idle periods are not part of any subfield of the subfields included in the frame.