Patent ID: 7167153

Claim:
A signal processing circuit for a data driver of a digital display, comprising: an input signal processing block which receives an input video signal and outputs a line video data corresponding to a line of said input video signal; a dummy information memory for keeping therein dummy information representing a location of at least one dummy output terminal of said data driver; a dummy data processing block which receives said line video data, output from said input signal processing block, and said dummy information, inserts dummy data into said line video data to create combined data based on said dummy information, and outputs the combined data; and an output signal processing block which receives said combined data, output from said dummy data processing block, and outputs said combined data through a plurality of output terminals of the output signal processing block as a signal for the data driver driving the digital display; wherein a location of the dummy data in the combined data corresponds to a location of a dummy output terminal which is not connected to an electrode of the digital display, among a plurality of output terminals of the data driver; and wherein the combined data output from the dummy data processing block remains unchanged until the combined data is supplied to the data driver.