A display device includes a display area and a non-display area having a pad area. The display device includes: a substrate, a plurality of dams disposed on the substrate in the non-display area, an organic film disposed on the substrate in the display area and the non-display area and not overlapping at least some of the plurality of dams, an outer planarizing layer disposed outside the organic film and overlapping some of the plurality of dams, and a sensing line layer disposed on the organic film and the outer planarizing layer, wherein the plurality of dams include an inner dam, a middle dam, and an outermost dam, the non-display area includes a first non-display area disposed between the pad area and the display area, and the outer planarizing layer disposed in the first non-display area does not overlap the outermost dam disposed in the first non-display area.