Display panel and display device

A display device, comprising:

• a display panel, comprising:
• a display area, a non-display area surrounding the display area, and at least one notch,
• wherein an edge of the display panel is recessed toward an inside of the display area in a first direction to form the at least one notch;
• the non-display area includes a first non-display area, a second non-display area, a third non-display area, and a fourth non-display area;
• in the first direction, the first non-display area and the second non-display area are oppositely disposed;
• in a second direction, the third non-display area and the fourth non-display area are oppositely disposed;
• the second direction intersects with the first direction;
• the first non-display area includes a notched non-display area, and the notched non-display area partially surrounds the at least one notch;
• and the third non-display area includes a fan-out area for setting signal lines to connect a driving chip to the display area;
• a cathode layer, extending from the display area to the non-display area, and including a cathode connection portion located in the non-display area;
• a peripheral power bus, located in the non-display area,
• wherein the non-display area includes a cathode contact region, the peripheral power bus is connected to the cathode connection portion in the cathode contact region;
• the cathode contact region includes a first cathode contact region and a second cathode contact region;
• the first cathode contact region is located in the notched non-display area;
• and the second cathode contact region is located in the fourth non-display area;
• and
• shift registers, located in the non-display area,
• wherein the shift registers include first shift registers, the first shift registers are located in the notched non-display area, and overlap with the first cathode contact region, in a direction perpendicular to the display panel;
• and
• in the first direction, a width of the first cathode contact region is D1, and in the second direction, a width of the second cathode contact region is D2, wherein D1<D2.