LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR DRIVING SAME

摘要

Provided is a liquid crystal display device having functions for performing preliminary charge and changing the sequence of selection of scanning lines. For the liquid crystal display device, a flicker, a burn-in, and the like are prevented. In accordance with a shift direction signal SHIFT_DIR, a scanning line driving circuit (13) selects a scanning line Gi in ascending or descending order of arrangement and causes a selection period of the scanning line Gi to be overlapped for the preliminary charge. A data line driving circuit (14) applies, to a data line Sj, a voltage having a polarity that is different for each frame and for each data line. A common voltage generating circuit (15) generates two kinds of voltages VCOMa and VCOMb, the levels of which are independently adjustable, and applies, to a common electrode of a liquid crystal panel (11), a voltage selected in accordance with a scan selection signal SCAN_SEL therefrom. As the common voltage generating circuit, a D/A converter may be used.