Display substrate, manufacturing method thereof and display device

The invention provides a display substrate, a manufacturing method thereof and a display device, and belongs to the technical field of display. The invention provides a display substrate which is provided with a display area and a bonding area located on at least one side of the display area. The display substrate includes a base, a first conductive layer, a light shielding layer, and a plurality of connection pads. Wherein the first conductive layer is arranged on the substrate and located in the display area, and the first conductive layer comprises a plurality of grid lines; the shading layer is arranged on the side, close to the substrate, of the first conducting layer, and the orthographic projection of the shading layer on the substrate at least covers the orthographic projections of the grid lines on the substrate; the plurality of connecting bonding pads are arranged on the substrate at intervals and located in the bonding area, and at least part of the connecting bonding pads and the orthographic pro