Abstract: An electro-optical device includes a substrate; a plurality of pixel electrodes that are disposed in a pixel area on the substrate; a plurality of scanning lines and a plurality of data lines that are disposed on the substrate so as to intersect each other in the pixel area; an image signal line that is disposed on the substrate, an image signal being supplied to the image signal line, the polarity of the image signal being inverted, every horizontal scanning period, between a positive polarity in which the potential of the image signal is higher than a predetermined potential and a negative polarity in which the potential of the image signal is lower than the predetermined potential; a sampling circuit that is disposed on the substrate and that includes a plurality of sampling switches each supplying one of a plurality of sampled image signals to a corresponding one of the data lines in accordance with a corresponding one of a plurality of sampling signals; a data line driving circuit that is disposed on the