A display panel comprising: a substrate; a display area; and a peripheral area located at an outer side of the display area, the peripheral area is a non-display area; wherein the display area comprises: a first display area including a plurality of first pixels; a second display area located at a corner of the first display area, wherein the second display area is apart from the first display area, and the second display area includes a plurality of second pixels; and a third display area located between the first display area and the second display area and including a plurality of third pixels, wherein the second display area is at least partially surrounded by the third display area and the peripheral area on a plane; the display panel further comprising: a plurality of first display units, a plurality of second display units, and a plurality of third display units, which are disposed on the substrate and correspond to the first to third pixels (PX1, PX2, PX3), respectively; and a driver configured to provide the first to third display units (DU1, DU2, DU3) with an electrical signal and having a portion which overlaps the third pixels, wherein a plurality of slits cut in a direction toward a corner of the substrate from an inner side of the substrate is defined in the substrate at the corner thereof, and the substrate comprises a strip portion between two adjacent slits among the slits, wherein the corner of the substrate is an area corresponding to at least the second display area. a substrate; a display area; and a peripheral area located at an outer side of the display area, the peripheral area is a non-display area; wherein the display area comprises: a first display area including a plurality of first pixels; a second display area located at a corner of the first display area, wherein the second display area is apart from the first display area, and the second display area includes a plurality of second pixels; and a third display area located between the first display area and the second display area and including a plurality of third pixels, wherein the second display area is at least partially surrounded by the third display area and the peripheral area on a plane; a first display area including a plurality of first pixels; a second display area located at a corner of the first display area, wherein the second display area is apart from the first display area, and the second display area includes a plurality of second pixels; and a third display area located between the first display area and the second display area and including a plurality of third pixels, wherein the second display area is at least partially surrounded by the third display area and the peripheral area on a plane; a plurality of first display units, a plurality of second display units, and a plurality of third display units, which are disposed on the substrate and correspond to the first to third pixels (PX1, PX2, PX3), respectively; and a driver configured to provide the first to third display units (DU1, DU2, DU3) with an electrical signal and having a portion which overlaps the third pixels, wherein a plurality of slits cut in a direction toward a corner of the substrate from an inner side of the substrate is defined in the substrate at the corner thereof, and the substrate comprises a strip portion between two adjacent slits among the slits, wherein the corner of the substrate is an area corresponding to at least the second display area.