Importance

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Abstract

A scanning electrode driving circuit (32) and a signal electrode driving circuit (31) of a driving circuit (30) applies, to scanning electrodes of a liquid crystal panel with a memory effect (40), a scanning voltage (TPV) in a voltage waveform composed of 0V and three values which are positive or negative unipolar (VH, VD and VS), and also applies, to signal electrodes, a signal voltage (SGV) in a voltage waveform composed of 0V and three values having a same polarity as the scanning voltage. Further, image data is displayed at a pixel of the liquid crystal panel with a memory effect (40) during three scanning periods such as a correction period for correcting the alternation, a reset period for resetting the image, and a selection period for writing new image, and in the three scanning periods, the voltage to be applied between the scanning electrode and the signal electrode is made completely alternating.

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First Claim