A display device comprises a display panel including a display area having a scan area and a power area disposed on a side of the scan area, and a non-display area surrounding the display area and having a pad part. The pad part includes a first pad part including a plurality of line pad parts electrically connected one-to-one to lines of the scan area, and a second pad part including a plurality of line pad parts electrically connected one-to-one to lines of the power area, and a power pad part electrically connected one-to-many to lines of the power area.