The display device

A display device according to the present invention comprises a buffer provided in association with each wiring constituting a group of wirings serving as signal lines of a display panel in order to drive the corresponding wiring, a preliminary wiring preliminarily provided for the wiring under a generation of a defect, a preliminary buffer provided in association with the preliminary wiring in order to drive the preliminary wiring, and a charge distributor for performing charge distribution between the wirings and the preliminary wiring.