Patent ID: 8111227

Claim:
A liquid crystal display (LCD) system comprising: an LCD device comprising: a plurality of gate lines; a plurality of data lines intersecting the plurality of gate lines; a plurality of first switches each having a first end coupled to a corresponding gate line and a second end coupled to a corresponding data line; a plurality of storage units each coupled to a third end of a corresponding first switch for receiving data from the corresponding data line; a first power line formed in parallel with the plurality of gate lines; a plurality of first coupling capacitors each having a first end coupled to the first power line and a second end coupled to the corresponding data line; a source driving circuit coupled to the plurality of data lines for providing data signals; and a plurality of demultiplexers coupled between the source driving circuit and the plurality of corresponding data lines for: sequentially outputting the data signals to the plurality of data lines after a corresponding first switch coupled to the corresponding gate line and the corresponding data line is turned on; keeping the plurality of data lines at a floating level after outputting the data signals; generating a coupling voltage by changing a voltage level of the first power line from a first voltage level to a second voltage level; and sequentially transmitting the coupling voltage to the data lines via the plurality of first coupling capacitors.