A display substrate, comprising a display region, wherein the display region comprises at least one pin area, in a plane perpendicular to the display substrate, the pin area comprises a planarization layer disposed on a base substrate, a partition layer disposed on a side of the planarization layer away from the base substrate, and an encapsulation structure layer disposed on a side of the partition layer away from the base substrate;
- a pin structure is provided on the planarization layer and the partition layer, and the encapsulation structure layer covers the pin structure,
- wherein a partition groove is provided on the planarization layer, and a partition hole is provided on the partition layer, the partition layer is a flat structure except for the partition hole, the pin area further comprises a pixel definition layer disposed on the side of the partition layer away from the base substrate, the pixel definition layer only covers an outer edge of the partition layer away from the partition hole, such that an orthographic projection of the outer edge on the base substrate is within a range of an orthographic projection of the pixel definition layer on the base substrate;
- wherein the display substrate further comprises a bezel region located on at least one side of the display region, the bezel region comprises an isolation dam area and a crack dam area disposed sequentially along a direction away from the display region;
- in a plane perpendicular to the base substrate, the isolation dam area comprises a composite insulation layer disposed on the base substrate, a power supply line disposed on a side of the composite insulation layer away from the base substrate, a first connection electrode disposed on a side of the power supply line away from the base substrate, a second connection electrode disposed on a side of the first connection electrode away from the base substrate, and a first isolation dam and a second isolation dam which are disposed on a side of the second connection electrode away from the base substrate, the second isolation dam is disposed on a side of the first isolation dam away from the display region;
- the crack dam area comprises the composite insulation layer disposed on the base substrate and a crack dam disposed on a side of the composite insulation layer away from the base substrate, multiple cracks are provided on the composite insulation layer, and the crack dam fills the multiple cracks;
- and
- wherein an edge of a side of the power supply line away from the display region, an edge of a side of the first connection electrode away from the display region, and an edge of a side of the second connection electrode away from the display region are covered by the first isolation dam and/or the second isolation dam and are not in contact with the encapsulation structure layer.