Provided display device includes a display layer including a display area and a hole area which is disposed adjacent to the display area and in which a through-hole is defined and an input sensor layer disposed on the display layer and including a flat part including a conductive layer and at least one insulating layer and a protruding pattern part including the at least one insulating layer and provided to correspond to the hole area. Therefore, cracks that occur when a through-hole is formed may be reduced then the reliability and durability of the display device have been improved.