a substrate;

a plurality of light-emitting devices arranged in an array on the substrate;

a plurality of photosensitive devices between a layer where the light-emitting devices are located and the substrate, wherein an orthographic projection of each photosensitive device on the substrate overlaps a gap between orthographic projections of adjacent light-emitting devices; and

a black matrix on a side of the layer where the light-emitting devices are located facing away from the substrate, wherein an orthographic projection of the black matrix on the substrate overlaps the gap between the orthographic projections of adjacent light-emitting devices, the black matrix comprises a plurality of first openings, and an orthographic projection of the first opening on the substrate overlaps the orthographic projection of the photosensitive device; and a total amount of light irradiating the photosensitive devices through the first openings satisfies a requirement of a signal-to-noise ratio of fingerprint recognition and is less than an amount of light required for a full-well capacity of the photosensitive devices;

wherein the first openings overlap photoelectric conversion layers of the photosensitive devices in a one-to-one correspondence manner, and a center of an orthographic projection of the first opening on the substrate approximately coincides with a center of an orthographic projection of the photoelectric conversion layer of a corresponding photosensitive device;

wherein the orthographic projection of the first opening on the substrate is located within the orthographic projection of the photoelectric conversion layer of the corresponding photosensitive device;

wherein an optical comprehensive transmittance T of ambient light reaching the photosensitive devices through a finger and the first openings satisfies a following expression:

wherein k is a coefficient, K_S is a ratio of a width of the first opening to a width of the photoelectric conversion layer of the corresponding photosensitive device in a row direction, and K_L is a ratio of a length of the first opening to a length of the photoelectric conversion layer of the corresponding photosensitive device in a column direction;

wherein a light receiving angle α determined based on the first opening satisfies a following expression:

wherein P is a distance between two adjacent valley centers or two adjacent ridge centers of a fingerprint; h₁ is a distance from a contact surface of a finger and the display substrate to the black matrix; h₂ is a distance from the black matrix to the photosensitive devices; D_LPIN is the length of the photoelectric conversion layer of the photosensitive device in the column direction; and D_LBM is the length of the first opening in the column direction.