Patent ID: 8482554

Claim:
A device, comprising: a liquid crystal panel comprising a plurality pixel regions formed thereon; a data driver to drive data lines on the liquid crystal panel; a gate driver to drive gate lines on the liquid crystal panel; a driving voltage generating unit to generate a common voltage, a level of the common voltage swinging every frame; and a timing controller to control the driving voltage generating unit and the gate driver to generate a gate driving voltage, a level of the gate driving voltage varying in accordance with the common voltage swinging level, wherein the timing controller comprises a gate control signal generating unit to generate a gate control signal to supply a gate on voltage to the gate lines, and a gate output control signal to change a level of a gate off voltage and supply the changed gate off voltage to the gate driver when the gate on voltage is not supplied, wherein first to n th odd switching signals of the gate output control signal are generated to forward a first gate low voltage as the gate off voltage after the gate on voltages are supplied in a first frame period, and before the gate on voltages are supplied in a second frame period, where “n” is an integer greater than 0, and wherein first to n th even switching signals are generated to forward a second gate low voltage as the gate off voltage before the gate on voltages are supplied in the first frame period, and after the gate on voltages are supplied in the second frame period.