Patent ID: 8115757

Claim:
A display device provided with a plurality of video signal lines, a plurality of scanning signal lines crossing the video signal lines, switching elements provided at their corresponding intersections between the video signal lines and the scanning signal lines and having their conduction state controlled by a scanning signal provided to their corresponding scanning signal lines, pixel electrodes electrically connected to their corresponding video signal lines via the switching elements, a common electrode with predetermined capacitances being formed between the common electrode and the pixel electrodes, a scanning signal line drive circuit for selectively driving the scanning signal lines, and a video signal line drive circuit for applying a video signal to the video signal lines, the device comprising: a pixel electrode potential shift portion for changing potentials of the pixel electrodes by changing potentials of predetermined electrodes capacitively coupled to the pixel electrodes, wherein, a scanning signal line selection period in which one scanning signal line is selected includes a preceding first selection period and a subsequent second selection period, the scanning signal line drive circuit applies a predetermined first selection voltage to selected scanning signal line during the first selection period, such that all switching elements for receiving a scanning signal from the selected scanning signal line are rendered conductive, and also applies a predetermined second selection voltage to the selected scanning signal line during the second selection period, such that a part of the switching elements for receiving the scanning signal from the selected scanning signal line is rendered conductive, the video signal line drive circuit applies a predetermined first voltage to the video signal lines during the second selection period, such that all switching elements corresponding to pixel electrodes that should exhibit a tone value within a predetermined first gradation range are rendered non-conductive, and the pixel electrode potential shift portion changes, during a period between the first selection period and the second selection period, the potentials of the predetermined electrodes capacitively coupled to pixel electrodes corresponding to the selected scanning signal line.