An operating unit of an LCD panel and a method for operating the same are disclosed, to improve the picture quality by removing superior polarity. The operating unit includes a plurality of data driver ICs for supplying data to the data lines of the LCD panel, a plurality of gate driver ICs for sequentially operating the gate lines of the LCD panel, and a timing controller for supplying polarity control signals having opposite polarities respectively to first and second blocks of the data driver ICs formed by dividing the data driver ICs into multiple blocks.