Patent ID: 8022914

Claim:
Display device comprising: a liquid crystal material between a first substrate provided with row electrodes and a second substrate provided with column electrodes, row driving circuitry for driving selected row electrodes during a plurality of row selection times wherein, for each row selection time, at least one row electrode is selected, column driving circuitry for driving the column electrodes according to a column waveform that includes at least two different voltage levels and that is in conformity with a grayscale for the at least one row electrode that is selected and an image to be displayed, and processor circuitry for assessing a number of voltage transitions saved by mirroring of a particular column waveform for a row selection time, for assessing a number of voltage transitions produced by mirroring of the particular column waveform and for mirroring the particular column voltage waveform in response to the number of transitions saved exceeding the number of voltage transitions produced.