Patent ID: 9619063
Date: 2017-04-11
CPC Classifications: G06F,H01L

Claim:
1. An array substrate, comprising a plurality of data lines, a plurality of gate lines and a plurality of thin film transistors, the plurality of data lines and the plurality of gate lines intersecting with each other in different planes to divide the array substrate into a plurality of pixel units, the thin film transistor being provided in each pixel unit, wherein the array substrate further comprises a plurality of first touch sensing electrodes and a plurality of second touch sensing electrodes, wherein the first touch sensing electrodes are provided below active regions of active layers of the thin film transistors, and the first touch sensing electrodes also serve as metal shielding layers for blocking light emitted from a backlight source, the first touch sensing electrodes and the second touch sensing electrodes intersect with each other in different planes, and capacitances are formed at intersections of the first touch sensing electrodes and the second touch sensing electrodes, a common gate line for receiving a common signal is provided between every two adjacent gate lines, at least a part of the common gate line is located to correspond to a drain of the thin film transistor and the first touch sensing electrode, so that a first storage capacitance is formed between the common gate line and the drain of the thin film transistor, and that a second storage capacitance is formed between the common gate line and the first touch sensing electrode, the array substrate further comprises a gate insulating layer and an intermediate insulating layer, the gate insulating layer covers the active layers of the thin film transistors, and the gate lines and the common gate lines are provided on an upper surface of the gate insulating layer, and the intermediate insulating layer covers the gate lines and the common gate lines, and sources and drains of the thin film transistors are provided on an upper surface of the intermediate insulating layer.