Patent ID: 9535275
Date: 2017-01-03
CPC Classifications: G02F,G09G

Claim:
1. An array substrate driving circuit, including a plurality of gate-driver-on-array (GoA) driving units used to drive a plurality of gate lines, and a plurality of Com driving units used to drive a plurality of common electrode lines, wherein each GoA driving unit is interconnected to one gate line, and each Com driving unit is interconnected to one common electrode line; wherein the plurality of the GoA driving units are disposed on one side of the array substrate, and the Com driving units are disposed on the other side of the array substrate; each of the GoA driving units is associated with a first GoA driving signal input end, a second GoA driving signal input end and a GoA signal output end, wherein the first GoA driving signal input end is interconnected with the GoA signal output end of an upstream GoA driving unit, and the second GoA driving signal input end is interconnected with the GoA signal output end of a downstream GoA driving unit, wherein the gate lines interconnected with the GoA driving units are interconnected to the GoA signal output ends; each of the Com driving units is associated with a Com first driving signal input end, a second Com driving signal input end and a Com signal output end, wherein the first Com driving signal input end of the Com driving unit is interconnected with the GoA signal output end of an upstream GoA driving unit, and the second Com driving signal input end of the Com driving unit is interconnected with the GoA signal output end of a downstream GoA driving unit, wherein the common electrode lines interconnected to the Com driving units are interconnected to the Com signal output ends of the Com driving units; and wherein gate line driving signals on the gate lines and Com driving signals on the adjacent common electrode lines are synchronized from each other but with opposite polarity; and wherein each of the GoA driving units includes a first thin film transistor, a second thin film transistor, a third thin film transistor, a fourth thin film transistor, a fifth thin film transistor, and a storage capacitance, wherein source and gate electrodes of the first thin film transistor are interconnected to the GoA signal output end of the upstream GoA driving unit, and a drain electrode of the first thin film transistor is interconnected to a gate electrode of the second thin film transistor, a first end of a storage capacitance, and a drain electrode of the third thin firm transistor, respectively; a gate electrode of the fifth thin film transistor is interconnected with an output end of a clock, and a source electrode is interconnected to a high voltage input line; a source electrode of the second thin film transistor is interconnected with a drain electrode of the fifth thin film transistor, a gate electrode of the second thin film transistor is interconnected to the first end of the storage capacitance, a drain electrode and an signal output end of the second thin film transistor are interconnected together, and further interconnected to a source gate of the fourth thin film transistor, and a second end of the storage capacitance; a source electrode of the third thin film transistor is interconnected to the first end of the storage capacitance, and a gate electrode of the third thin film transistor is interconnected to a GoA signal output end of a downstream GoA driving unit, and a source electrode is interconnected to a low potential line or ground; and a source electrode and a signal output end of the fourth thin film transistor are interconnected to the second end of the storage capacitance, a gate electrode of the fourth thin film transistor is interconnected to the GoA signal output end of a downstream GoA driving unit, and a drain electrode of the fourth thin film transistor is interconnected to a low potential line or ground.