According to an embodiment of the disclosure, a display device may include a substrate where a display area and a non-display area are defined, the non-display area including a pad area, a display part disposed on the substrate and displaying an image, a pad part disposed in the pad area and including a plurality of pads, a dam positioned between the pad part and the display part and surrounding at least one side of the display part, and a filling layer disposed on the display part surrounded by the dam to cover the display part. The filling layer may include a transparent curable resin and is positioned in an uppermost layer in the display area.