Pixel array substrate

A pixel array substrate comprises a substrate, a plurality of data lines, a plurality of gate lines, a plurality of pixel structures, a plurality of patch cords and an electrostatic protection circuit. The plurality of data lines are arranged in a first direction, the plurality of gate lines are arranged in a second direction, and the plurality of patch cords are arranged in the first direction and are electrically connected to the plurality of gate lines, respectively. The electrostatic protection circuit is disposed between an edge of the substrate and the plurality of pixel structures and comprises a plurality of electrostatic protection elements, a plurality of data grounding wires and at least one grid grounding wire. The plurality of electrostatic protection elements comprise a plurality of first electrostatic protection elements and a plurality of second electrostatic protection elements, the plurality of first electrostatic protection elements are electrically connected betweenthe plurality of data li