Patent ID: 7136039

Claim:
A method of driving a liquid crystal display (LCD) device, the method comprising: (a-0) providing the LCD device with an LCD panel for displaying a plurality of pixels arranged in a matrix format, a voltage selection circuit for outputting a plurality of driving voltage levels according to display data, a timing controller, and a plurality of output buffers, each output buffer electrically coupled between the voltage selection circuit and the LCD panel; driving pixels located in a row by corresponding output buffers according to corresponding driving voltage levels generated from the voltage selection circuit for driving the corresponding pixels of the LCD; (b) disconnecting the pixels from the corresponding output buffers; and (c) connecting the pixels driven by the same driving voltage level for equalizing voltages applied on the pixels, and turning off operating voltages inputted into the corresponding output buffers for stopping the output buffers from processing the corresponding driving voltage levels; wherein the timing controller controls the driving sequence of steps (a), (b), and (c), and the timing controller comprises: a frequency divider for dividing the frequency of a clock signal according to a predetermined divisor; a counter for counting the divided clock signal to generate a count value; a comparator for comparing the count value with a predetermined number to generate a comparison result; and a logic controller comprising a first input port for receiving the comparator result to determine timing to perform steps (b) and (c).