A display device may include a substrate, a display area, a peripheral region, a driving circuit and a dummy wire. A display area formed on a side of the substrate and in which a plurality of pixels are provided. A peripheral region surrounds the display area. A driving circuit provided in the peripheral region, which provides a driving voltage to the plurality of pixels and includes a driving voltage terminal for receiving the driving voltage. A dummy wire portion provided in the peripheral region, separated from the display area with the driving circuit therebetween, and includes a plurality of dummy wires. The driving voltage terminal of the driving circuit is connected to at least one of the plurality of dummy wires.