The present invention relates to a display device capable of reducing the width of a bezel and the display quality. The display device includes a display panel and a driving unit. The display panel includes: a display area which includes gate lines and data lines to display an image; and a peripheral area which is arranged near the display area and includes fan-out wires with different lengths. The driving unit outputs driving signals on different levels to channels connected to the fan-out wires according to the length of the fan-out wires. Accordingly, the present invention can improve the display quality of the display device and reduce the bezel width of the display device.
