Patent ID: 8098223

Claim:
An apparatus for driving an LCD device, comprising: a liquid crystal display part to display images; a driver to drive the liquid crystal display part; a graphic system to output video data and a plurality of synchronizing signals, output frequency-conversion prediction information in accordance with a frequency-conversion signal, and output frequency converted synchronizing signals; and a timing controller to control the driver by using the video data and synchronizing signals and to prevent the driver from being driven for a period of converting the frequency in response to the frequency-conversion prediction information, wherein the timing controller includes: a synchronizing signal detecting unit to detect a frequency-conversion period from at least one of the synchronizing signals in response to a first selection signal relating the frequency-conversion prediction information and to output a second selection signal for indicating the frequency-conversion period; a control signal generating unit to generate a plurality of control signals to control the driver by using the synchronizing signals; a synchronizing signal selecting unit to output the synchronizing signals to the control signal generating unit or to block the synchronizing signals in response to the second selection signal; and a video data processing unit to align the video data from the graphic system and output the aligned video data to the driver.