Patent ID: 7755651

Claim:
A driving method of a display device where one frame is divided into a plurality of sub-frames to display a gray scale, wherein the plurality of sub-frames has: a first sub-frame group including a plurality of first sub-frames which is driven with an overlapping time gray scale method and has a same weighting, and a second sub-frame group including a plurality of second sub-frames having a smaller weighting than that of the plurality of first sub-frames, wherein the plurality of second sub-frames are adjacently arranged in one frame to form a sub-frame region, wherein the plurality of the first sub-frames comprises a third sub-frame which is arranged adjacent to the subframe region, and wherein the third sub-frame is certainly turned from a non-lighting state to a lighting state when all of the plurality of second sub-frames is turned from a lighting state to a non-lighting state in accordance with increase in gray scale.