A display device includes a substrate including a display area and a peripheral area outside the display area, where the peripheral area includes a bending area and the bending area bent around a bending axis; an inorganic material layer disposed on the substrate and having a trench corresponding to the bending area and; a construction member disposed in the trench of the inorganic material layer; a first organic material layer covering the construction member; and a conductive layer disposed on the first organic material layer.