The disclosure discloses an array substrate, a display panel and a display device. The array substrate includes a peripheral circuit area in which a plurality of first wire grooves, a plurality of second wire grooves, a plurality of first lead wires and a plurality of second lead wires are arranged, wherein each first lead wire is arranged corresponding to one of the first wire grooves, and laid out on a bottom and sidewalls of a corresponding first wire groove; and each second lead wire is arranged corresponding to one of the second wire grooves, and a plurality of recesses and protrusions are arranged alternately on a bottom surface of each second wire groove along an extension direction of the each second wire groove, wherein each second lead wire is laid out on surfaces of recesses and protrusions on a bottom surface of a corresponding second wire groove.