Display substrate and display device

The invention discloses a display substrate and a display device. The display substrate comprises a substrate body, a plurality of sub-pixels located on the substrate body, a pixel limiting pattern and a limiting structure, each sub-pixel comprises a light-emitting functional layer, and each light-emitting functional layer comprises a plurality of film layers. The limiting structure is located between the light-emitting functional layer and the substrate. The pixel limiting pattern comprises a plurality of first openings and a plurality of second openings, the part, located in the first openings, of at least one layer in the light-emitting function layer is a continuous part, and the part, overlapped with the at least two first openings, of the limiting structure is of an integrated structure in the direction perpendicular to the substrate; the at least one second opening exposes at least a portion of an edge of the defining structure to partition at least one of the light emitting functional layers. The port