A display panel is disclosed that includes a base layer including a first pixel area and a second pixel area adjacent to the first pixel area, a pixel definition layer disposed on the base layer and provided with a pixel opening defined therethrough to correspond to each of the first pixel area and the second pixel area, and a first electrode of which at least a portion is disposed in the pixel opening. The pixel definition layer includes a first slant portion, a second slant portion spaced apart from the first slant portion, a first convex portion disposed between the first slant portion and the second slant portion and adjacent to the first slant portion, and a first flat portion disposed between the first slant portion and the second slant portion and adjacent to the second slant portion.