Provided is a display panel including a base layer including a first pixel region, a second pixel region at least partially spaced apart from the first pixel region in a first direction, and a non-pixel region adjacent to the first and second pixel regions, a pixel defining layer having first and second pixel openings defined in the pixel defining layer and respectively corresponding to the first and second pixel regions, and a light-emitting portion including a charge generation layer, wherein the pixel defining layer includes at least one first valley region and at least one first non-valley region disposed on a first virtual line completely enclosing the first pixel opening and at least one second valley region and at least one second non-valley region disposed on a second virtual line completely enclosing the second pixel opening.