a base substrate;

a plurality of gate lines and a plurality of data lines disposed on the base substrate, wherein the plurality of data lines and the plurality of gate lines define a plurality of first pixel regions on the base substrate; the plurality of first pixel regions are arranged in multiple rows, and two of the gate lines are arranged between every two adjacent rows of first pixel regions; the data lines have a plurality of first extending parts and a plurality of second extending parts that are in connection; the plurality of first extending parts and the plurality of second extending parts are in a one-by-one alternating arrangement; an extending direction of each first extending part intersects an extending direction of every second extending part which is connected with the first extending part, and every two adjacent first extending parts and a second extending part between the two adjacent first extending parts in a same data line constitute a bending structure, wherein a region enclosed by the bending structure comprises at least one of the first pixel regions;

two sub-pixels disposed in each first pixel region, wherein the two sub-pixels are arranged along an extending direction of the gate lines; the two sub-pixels are respectively connected with two of the data lines which are adjacent to the first pixel region; and the sub-pixels are connected with one of the two gate lines which are adjacent to the sub-pixels; and

a plurality of touch signal lines disposed on the base substrate, wherein the plurality of first pixel regions are further arranged in multiple columns, each column of the first pixel regions comprising two columns of the sub-pixels; and the touch signal lines are disposed between two columns of the sub-pixels in a same column of the first pixel regions;

wherein the plurality of touch signal lines are disposed in a same layer, and the plurality of touch signal lines and the data lines are disposed in different layers;

wherein the array substrate comprises a first conductive layer, a gate insulating layer, an active layer, a second conductive layer, a pixel electrode layer, a first insulating layer, a third conductive layer, a second insulating layer and a fourth conductive layer, which are sequentially stacked along a direction perpendicular to and away from the base substrate; and

wherein the first conductive layer comprises the gate lines and gate electrodes; the second conductive layer comprises the data lines, source electrodes and drain electrodes; the third conductive layer comprises the touch signal lines; and the fourth conductive layer comprises the touch electrodes; and

wherein the plurality of data lines and the plurality of gate lines further define a plurality of second pixel regions on the base substrate, the plurality of second pixel regions are arranged in two columns, each of the plurality of second pixel regions comprises only one sub-pixel, and the multiple columns of first pixel regions are disposed between the two columns of the second pixel regions.