Display panel and display device

A display device, comprising:

• a power supply assembly and a display panel, wherein
• the display panel comprises:
• a base substrate, comprising a display region and a peripheral region adjacent to the display region;
• a first power trace, disposed in the peripheral region and on a side of the base substrate, wherein the first power trace is extended along a first direction and configured to receive a first power signal;
• a connecting trace, disposed in the peripheral region and on a side of the base substrate, wherein the connecting trace is electrically connected to the first power trace and extended along a second direction, the second direction intersecting the first direction;
• a plurality of signal lines, disposed in the display region and the peripheral region, wherein orthographic projections of parts, disposed in the peripheral region, of the plurality of signal lines on the base substrate enclose a plurality of target regions arranged along the second direction, and an orthographic projection of the connecting trace on the base substrate is at least partially overlapped with the plurality of target regions;
• an insulating layer, disposed in the display region and the peripheral region, wherein the insulating layer is disposed on a side, distal from the base substrate, of the connecting trace, and the insulating layer is provided with a plurality of first via holes arranged along the second direction;
• the plurality of first via holes being in one-to-one correspondence with the plurality of target regions, and an orthographic projection of the first via hole on the base substrate being within one corresponding target region;
• and
• a cathode layer, disposed in the display region and the peripheral region, wherein the cathode layer is disposed on a side, distal from the base substrate, of the insulating layer, and the cathode layer is electrically connected to the connecting trace through the plurality of first via holes;
• and, the power supply assembly is configured to supply power to the display panel.