The present disclosure provides an array substrate. The array substrate includes a plurality of shielding layers disposed on a glass substrate and arranged at intervals; a dielectric layer spread on the glass substrate and covering the shielding layers, wherein the dielectric layer includes a plurality of dielectric patterns, the dielectric patterns include main dielectric patterns and auxiliary dielectric patterns disposed on at least one side of the main dielectric patterns; and a gate insulating layer disposed on the dielectric layer.