A liquid crystal display is provided, including a conversion circuit to convert a first image data to a second image data, a frame memory to store the second image data, a difference circuit to output in units of pixel a difference data between the second image data of the present frame to be converted and a third image data of an antecedent frame to be outputted from the frame memory, a correction circuit to correct the difference data based on one of the first to third image data, and an adding circuit to add the corrected difference data and the first image data.