A display panel, a manufacturing method therefor, and a display device. The display panel comprising: a base substrate; a plurality of light emitting devices on the base substrate; an encapsulation layer on a side of the light emitting devices away from the base substrate, configured for encapsulating the plurality of light emitting devices; a photosensitive sensor on a side of the light emitting devices away from the encapsulation layer; a color film layer on a side of the encapsulation layer away from the base substrate, comprising a plurality of color film elements; and a light-shielding layer on a side of the encapsulation layer away from the base substrate, comprising a plurality of first openings and a plurality of second openings, the second openings each being filled with a filter element, and the second openings each being used for transmitting light reflected by a finger toward the photosensitive sensor.