A display device includes a substrate corresponding to a display area in which an image is displayed, and a non-display area at at least one side of the display area, a touch sensing device at the display area, first outer lines electrically connected to the touch sensing device, and located at a first non-display area that is a first portion of the non-display area, second outer lines connecting the first outer lines and the touch sensing device, a plurality of pixels at the display area, a driving circuit at the first non-display area for driving the pixels, and a power supply line electrically connected to the pixels and located at a second non-display area that is a second portion of the non-display area.