Display panel and display device including the same

A display device, comprising a display panel having a display area and a non-display area surrounding the display area, wherein the display area has a first side and a second side opposite to the first side, and the display area comprises:

• a hollow area having a first edge and a second edge;
• a first display area extending from the first side of the display area to the second side of the display area;
• a second display area extending from the first side of the display area to an extension line of the second edge of the hollow area;
• a third display area extending from the extension line of the second edge and the second edge of the hollow area to the second side of the display area;
• and
• a fourth display area extending from the first side of the display area to the first edge of the hollow area,
• wherein the display panel comprises:
• a driving chip arranged in the non-display area close to the first side of the display area;
• first data lines arranged in the first display area, wherein each of the first data lines extends from the first side of the display area to the second side of the display area;
• second data lines arranged in the second display area;
• third data lines arranged in the third display area;
• and
• fourth data lines arranged in the fourth display area,
• wherein the first edge of the hollow area is close to the driving chip and the second edge of the hollow area is away from the driving chip, and each of the second data lines is electrically connected to at least two of the third data lines through a set of signal switching circuits in such a manner that a signal on said second data line is transmitted to n third data lines in a time division manner via the set of signal switching circuits, wherein n is an integer equal or larger than 2 and not larger than a total number of the third data lines.