A display device includes a substrate having an image display area, pixel electrodes formed in the image display area of the substrate, a common electrode formed in the image display area of the substrate, inside signal lines formed inside the image display area of the substrate and electrically connected to the pixel electrodes, outside signal lines formed outside the image display area of the substrate and electrically connected to the inside signal lines, and a common line formed inside and outside the image display area of the substrate and electrically connected to the common electrode. A coupling capacitance is formed between the inside signal lines and the common electrode. The outside signal lines include a first portion, and a second portion that is higher in electric resistance than an electric resistance of the first portion, and the second portion has a bend.