a display substrate having light-emitting regions and a non-light-emitting region, the display substrate including a base and a plurality of sub pixels located on the base, the plurality of sub pixels being defined by a plurality of gate lines and a plurality of data lines that are crisscrossed, each sub pixel including a light-emitting device and a pixel circuit electrically connected to the light-emitting device, and the light-emitting device including an anode, a light-emitting layer and a cathode that are stacked in sequence, the light-emitting regions including a region where the light-emitting device is located on the base, and the non-light-emitting region including a region where the pixel circuit is located on the base;

a reflective layer located on a light exit side of the display substrate, the reflective layer including a plurality of filter portions and reflective portions arranged between every two adjacent filter portions, the reflective portions corresponding to the non-light-emitting region, and the filter portions corresponding to the light-emitting regions; and

an encapsulation layer located on a side of the cathode away from the light-emitting layer, the encapsulation layer including a first inorganic encapsulation layer an organic encapsulation layer and a second inorganic encapsulation layer that are sequentially stacked in a thickness direction of the display substrate and away from the display substrate, and the first inorganic encapsulation layer, the organic encapsulation layer and the second inorganic encapsulation layer being each a one-piece entire layer,

wherein an orthogonal projection of a reflective portion of the reflective portions on the display substrate partially overlaps with an orthogonal projection of a filter portion, adjacent to the reflective portion, of the plurality of filter portions on the display substrate, so that the filter portion covers edges of the reflective portion adjacent to the filter portion,

wherein a thickness of the reflective portions is less than a thickness of the plurality of filter portions in a thickness direction of the display substrate;

surfaces, proximate to the display substrate, of the plurality of filter portions are closer to the display substrate than surfaces, proximate to the display substrate, of the reflective portions; and

surfaces, away from the display substrate, of the reflective portions are closer to the display substrate than surfaces, away from the display substrate, of the plurality of filter portions,

wherein the encapsulation layer includes at least one via that is in one-to-one correspondence with at least one reflective portion;

wherein the reflective layer is located between the first inorganic encapsulation layer and the organic encapsulation layer, a thickness of the first inorganic encapsulation layer is less than a thickness of the organic encapsulation laver, the at least one via penetrates the first inorganic encapsulation layer, and the at least one reflective portion is electrically connected to the cathode through a corresponding via; or

wherein the reflective layer is located on a side of the second inorganic encapsulation layer away from the display substrate, the at least one via penetrates the first inorganic encapsulation laver, the organic encapsulation layer and the second inorganic encapsulation laver, and the at least one reflective portion is electrically connected to the cathode through a corresponding via.