Display panel and display device

The invention relates to the technical field of display, and discloses a display panel and a display device. The display panel comprises a display backboard, an isolation layer group, a first packaging layer group and a second packaging layer, the display backboard comprises a plurality of sub-pixels; the isolation layer group is arranged on the light emitting side of the display back plate, an opening part is formed in the isolation layer group, the sub-pixels are located in the orthographic projection of the opening part on the display back plate, and a first concave part is formed in the side wall of the opening part; the first packaging layer group at least covers the light emitting side of the display backboard and at least part of the side wall of the opening part, the first packaging layer group is provided with a second sunken part, and the second sunken part is located in the first sunken part; the second packaging layer is arranged on the side, away from the display backboard, of the first packaging