Display panel and display device

A display panel, comprising:

• a substrate;
• and
• a plurality of OLED devices disposed on the substrate, each of the plurality of OLED devices comprising an anode and a light-emitting layer arranged in stack;
• wherein the display panel further comprises a patterned area, the patterned area comprising at least one cathode group, each of the at least one cathode group comprising a plurality of cathodes arranged at intervals, and an orthographic projection of each of the plurality of cathodes on the substrate at least covers an orthographic projection of the light-emitting layer of one of the plurality of OLED devices on the substrate;
• and
• for each of the at least one cathode group, the display panel further comprises a plurality of first wirings and a second wiring, the plurality of first wirings are electrically connected to the plurality of cathodes in one-to-one correspondence, and the second wiring is electrically connected to the plurality of first wirings and electrically connected to a VSS signal line.