Embodiments of the present invention relate to an array substrate and a display device comprising the array substrate. According to an embodiment of the invention, there is provided an array substrate which comprises: a terminal region; and an active pixel region, the active pixel region comprising: a plurality of pixel units; a plurality of gate lines; a plurality of data lines; and a plurality of gate leading wires, wherein two columns of the plurality of pixel units are provided between two adjacent data lines among the plurality of data lines, each of the plurality of gate leading wires is disposed between the two columns of the plurality of pixel units, and each of the plurality of gate lines is connected to respective one of the plurality of gate leading wires.