An array substrate, comprising: a base substrate, the base substrate comprising a display region and a peripheral region at at least one side of the display region; a plurality of sub-pixels, in the display region; a plurality of data lines, in the display region, and used to provide data signals for the plurality of sub-pixels; a plurality of first power lines, in the display region, and used to provide a power signal for the plurality of sub-pixels; a plurality of data line leads, in the peripheral region and electrically connected to the plurality of data lines; a plurality of selector switches, in the peripheral region and arranged at intervals, the plurality of selector switches being at a side of the plurality of data lines away from the display region, and each of at least a part of the plurality of selector switches being electrically connected to at least two data line leads in the plurality of data line leads; a plurality of data signal input lines, in the peripheral region and at a side of the plurality of selector switches away from the display region, each of at least a part of the plurality of selector switches being electrically connected to one of the plurality of data signal input lines; a first power bus, in the peripheral region and at a side of the plurality of selector switches away from the display region; and a plurality of connecting portions, electrically connected to the first power bus, and electrically connected to the plurality of first power lines, the plurality of connecting portions extending towards the display region along regions between the plurality of selector switches; characterized in that, the array substrate further comprises a second power bus between the plurality of selector switches and the display region, wherein the plurality of connecting portions are respectively and electrically connected to the first power bus and the second power bus; and the first power bus, the second power bus and the plurality of connecting portions define a plurality of first apertures which are arranged in an array, and orthographic projections of the plurality of selector switches on the base substrate fall within the plurality of first apertures, wherein the plurality of selector switches are in one-to-one correspondence with the plurality of first apertures. a base substrate, the base substrate comprising a display region and a peripheral region at at least one side of the display region; a plurality of sub-pixels, in the display region; a plurality of data lines, in the display region, and used to provide data signals for the plurality of sub-pixels; a plurality of first power lines, in the display region, and used to provide a power signal for the plurality of sub-pixels; a plurality of data line leads, in the peripheral region and electrically connected to the plurality of data lines; a plurality of selector switches, in the peripheral region and arranged at intervals, the plurality of selector switches being at a side of the plurality of data lines away from the display region, and each of at least a part of the plurality of selector switches being electrically connected to at least two data line leads in the plurality of data line leads; a plurality of data signal input lines, in the peripheral region and at a side of the plurality of selector switches away from the display region, each of at least a part of the plurality of selector switches being electrically connected to one of the plurality of data signal input lines; a first power bus, in the peripheral region and at a side of the plurality of selector switches away from the display region; and a plurality of connecting portions, electrically connected to the first power bus, and electrically connected to the plurality of first power lines, the plurality of connecting portions extending towards the display region along regions between the plurality of selector switches; characterized in that, the array substrate further comprises a second power bus between the plurality of selector switches and the display region, wherein the plurality of connecting portions are respectively and electrically connected to the first power bus and the second power bus; and the first power bus, the second power bus and the plurality of connecting portions define a plurality of first apertures which are arranged in an array, and orthographic projections of the plurality of selector switches on the base substrate fall within the plurality of first apertures, wherein the plurality of selector switches are in one-to-one correspondence with the plurality of first apertures.