An array substrate, comprising: a base substrate; a touch electrode on the base substrate, extending along a first direction; a pixel electrode (90; 340) on the base substrate, insulated from the touch electrode and comprising outer edges (90A, 90B) opposite to each other, wherein the outer edges (90A, 90B) are sequentially arranged along a second direction, and the second direction intersects the first direction; and signal lines adjacent to the pixel electrode (90; 340) wherein the signal lines extend along the first direction, and the pixel electrode (90; 340) is between the signal lines in the second direction; and in the second direction, the orthographic projection of the touch electrode on the base substrate is between the orthographic projections of the outer edges (90A, 90B) of the pixel electrode (90; 340) on the base substrate; characterized in that the pixel electrode (90; 340) comprises a first portion (91; 341) and a second portion (92; 342) which are electrically connected with each other, an opening (93; 343) is between the first portion (91; 341) and the second portion (92; 342), and the orthographic projection of the touch electrode on the base substrate overlaps the orthographic projection of the opening (93; 343) on the base substrate; and wherein: the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are directly electrically connected with each other; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a bridge wire, and the bridge wire and the pixel electrode (90; 340) are in different layers; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a same switch element. a base substrate; a touch electrode on the base substrate, extending along a first direction; a pixel electrode (90; 340) on the base substrate, insulated from the touch electrode and comprising outer edges (90A, 90B) opposite to each other, wherein the outer edges (90A, 90B) are sequentially arranged along a second direction, and the second direction intersects the first direction; and signal lines adjacent to the pixel electrode (90; 340) wherein the signal lines extend along the first direction, and the pixel electrode (90; 340) is between the signal lines in the second direction; and in the second direction, the orthographic projection of the touch electrode on the base substrate is between the orthographic projections of the outer edges (90A, 90B) of the pixel electrode (90; 340) on the base substrate; characterized in that the pixel electrode (90; 340) comprises a first portion (91; 341) and a second portion (92; 342) which are electrically connected with each other, an opening (93; 343) is between the first portion (91; 341) and the second portion (92; 342), and the orthographic projection of the touch electrode on the base substrate overlaps the orthographic projection of the opening (93; 343) on the base substrate; and wherein: the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are directly electrically connected with each other; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a bridge wire, and the bridge wire and the pixel electrode (90; 340) are in different layers; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a same switch element. the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are directly electrically connected with each other; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a bridge wire, and the bridge wire and the pixel electrode (90; 340) are in different layers; or, the first portion (91; 341) of the pixel electrode (90; 340) and the second portion (92; 342) of the pixel electrode (90; 340) are electrically connected with each other by a same switch element.