A display panel including: a base substrate including first and second surfaces, a display region and a peripheral region; a pixel layer provided on the display region, the pixel layer including a plurality of pixels; a module hole penetrating the display region; a blocking groove in the display region and adjacent to the module hole, the blocking groove being recessed in the base substrate; an encapsulation layer provided on the pixel layer, the encapsulation layer including a first inorganic layer, a second inorganic layer and an organic layer; and a filling member in the blocking groove, the filling member including a same material as the organic layer, wherein the second inorganic layer covers a top surface of the filling member and a top surface of the first inorganic layer adjacent to the top surface of the filling member.