Display substrate and display device

The display substrate is provided with a display area, a peripheral area and a binding area, the peripheral area surrounds the display area, and the binding area is located on the side, away from the display area, of the peripheral area and comprises at least one binding sub-area; the display substrate includes: a substrate; the light-emitting devices are located in the display area and comprise first electrodes; the first power bus is located in the peripheral area, and the first power bus is electrically connected with a first electrode of the light-emitting device; at least one group of first transmission lines, each group of first transmission lines corresponds to one binding sub-area and comprises a plurality of first transmission lines, and the first transmission lines are electrically connected with the first power bus and extend from the peripheral area to the corresponding binding sub-areas; and the switching electrode is electrically connected with the first power bus through a first via hole and electrically connected with the first transmission line through a second via hole.