Patent ID: 8493291

Claim:
An apparatus for controlling driving of a liquid crystal display device, comprising: a timing controller configured to: process input RGB data by a certain inversion method to supply the data to a data driver; and upon inputting of RGB data of a shutdown pattern, convert the RGB data by an inversion driving method causing no crosstalk to supply the data; a gate driver configured to output gate signals to each gate line of a liquid crystal panel in response to a gate signal control signal; and a data driver configured to supply data voltages to each data line of the liquid crystal panel in response to a data signal control signal, wherein the timing controller comprises: a shutdown pattern detector configured to check whether at least one data among the RGB data is inputted in a shutdown pattern, counts the number of data inputted in the shutdown pattern, and if the ratio of the number of data inputted in the shutdown pattern within one frame is more than 80% and there are more than three consecutive frames having the shutdown pattern, judge the current frame as a shutdown pattern frame, wherein the shutdown pattern detector is further configured to: output a control signal to allow the input data selector to select and output again the RGB data outputted from a first inversion driver when the ratio of the number of shutdown patterns of the current frame, which has been judged to be the shutdown pattern frame, is judged to be less than 30%, judge that the current frame is a shutdown pattern when a gray scale value of the outputted RGB data is in the range from 255 to 48, and judge that the current frame is not a shutdown pattern when the gray scale value of the RGB data is in the range from 15 to 0.