An array substrate comprising a pixel structure, comprising a plurality of transparent electrodes, arranged in columns and each corresponding to a subpixel, wherein: each transparent electrode comprises at least two sub-electrode portions, each provided with a plurality of slits; and the plurality of transparent electrodes are arranged such that: slits in a same column of sub-electrode portions have at least two different extending directions; and that slits in substantially a same row of sub-electrode portions have at least two different extending directions; wherein the plurality of transparent electrodes are arranged in pairs of columns, configured such that: in each pair of columns, a first transparent electrode in a first column and a second transparent electrode in a second column on a same row form a corresponding pair of transparent electrodes; in each corresponding pair of transparent electrodes, the first transparent electrode and the second transparent electrode have a mirror symmetry with respect to a first plane; slits in the first transparent electrode and slits in the second transparent electrode are in mirror symmetry with respect to the first plane; in each transparent electrode, slits in the two sub-electrode portions have extending directions in mirror symmetry with respect to a second plane; and the first transparent electrode and the second transparent electrode together form a hexagon; wherein the first plane is perpendicular to an array substrate comprising the pixel structure and parallel to a direction in which the columns extend, and the second plane is perpendicular to the array substrate and the first plane; every two adjacent hexagons not belonging to a same column are arranged in a staggered configuration; and hexagons together form a periodic structure; wherein the pixel structure is characterized in that: the periodic structure is configured such that any two neighboring sub-electrode portions respectively from two staggered neighboring hexagons on two adjacent columns are substantially on a same row. each transparent electrode comprises at least two sub-electrode portions, each provided with a plurality of slits; and the plurality of transparent electrodes are arranged such that: slits in a same column of sub-electrode portions have at least two different extending directions; and that slits in substantially a same row of sub-electrode portions have at least two different extending directions; slits in a same column of sub-electrode portions have at least two different extending directions; and that slits in substantially a same row of sub-electrode portions have at least two different extending directions; wherein the plurality of transparent electrodes are arranged in pairs of columns, configured such that: in each pair of columns, a first transparent electrode in a first column and a second transparent electrode in a second column on a same row form a corresponding pair of transparent electrodes; in each corresponding pair of transparent electrodes, the first transparent electrode and the second transparent electrode have a mirror symmetry with respect to a first plane; slits in the first transparent electrode and slits in the second transparent electrode are in mirror symmetry with respect to the first plane; in each transparent electrode, slits in the two sub-electrode portions have extending directions in mirror symmetry with respect to a second plane; and the first transparent electrode and the second transparent electrode together form a hexagon; wherein the first plane is perpendicular to an array substrate comprising the pixel structure and parallel to a direction in which the columns extend, and the second plane is perpendicular to the array substrate and the first plane; every two adjacent hexagons not belonging to a same column are arranged in a staggered configuration; and hexagons together form a periodic structure; in each pair of columns, a first transparent electrode in a first column and a second transparent electrode in a second column on a same row form a corresponding pair of transparent electrodes; in each corresponding pair of transparent electrodes, the first transparent electrode and the second transparent electrode have a mirror symmetry with respect to a first plane; slits in the first transparent electrode and slits in the second transparent electrode are in mirror symmetry with respect to the first plane; in each transparent electrode, slits in the two sub-electrode portions have extending directions in mirror symmetry with respect to a second plane; and the first transparent electrode and the second transparent electrode together form a hexagon; wherein the first plane is perpendicular to an array substrate comprising the pixel structure and parallel to a direction in which the columns extend, and the second plane is perpendicular to the array substrate and the first plane; every two adjacent hexagons not belonging to a same column are arranged in a staggered configuration; and hexagons together form a periodic structure; wherein the pixel structure is characterized in that: the periodic structure is configured such that any two neighboring sub-electrode portions respectively from two staggered neighboring hexagons on two adjacent columns are substantially on a same row.