Array substrate and display device

TL;DR: In this paper, an array substrate and a display device are presented to improve the reliability of the detection and analysis of a poor phenomenon of the array substrate, where each substrate is composed of a plurality of grid line groups, grid driving circuits, grid line test control lines, and thin film transistors for grid line testing.

Abstract: The invention discloses an array substrate and a display device, which aims at improving the reliability of the detection and analysis of a poor phenomenon of the array substrate. The array substrate comprises a plurality of grid line groups, a plurality of grid driving circuits, a plurality of grid line test control lines and a plurality of thin film transistors for grid line testing, wherein each grid line group links to each other with each grid driving circuit one-to-one, the grid line test control lines are in one-to-one correspondence with the grid driving circuits, each thin film transistor and each grid line of each grid line group is connected one to one correspondence, each grid line is connected with a drain of the corresponding thin film transistor for grid line testing, and a grid of the thin film transistor for grid line testing, connected with the grid line of each grid line group, is connected with one end of each grid line test control line.