An array substrate, a method of manufacturing the array substrate, and a display apparatus are disclosed. The array substrate includes: a base substrate; a plurality of sensing elements disposed on a first side of the base substrate and each configured to convert at least one of a light signal and an acoustic wave signal into an electrical signal; and a plurality of switching devices disposed on a second side of the base substrate opposite to the first side. The plurality of switching devices include a plurality of first switching elements, and each of the plurality of first switching elements is electrically connected to a corresponding one of the plurality of sensing elements to transmit the electrical signal.