Patent ID: 7557792
Filing Date: 2009-07-07
Classification: G09G

Abstract:
1. An apparatus for driving a liquid crystal display device comprising: a timing controller that receives data for a sequence of lines of pixels for a display from outside the timing controller; an encoding block, in the timing controller, generating a first data, a first control signal and a first data transition number by comparing current pixel data with previous pixel data delayed by one line from the current pixel data generating a second data, a second control signal and a second data transition number by comparing the currently pixel data with former pixel data which is preceded by one pixel from the current pixel data, and generating modified data, a vertical control signal and a horizontal control signal by using the first and second data, the first and second control signals and the first and second data transition numbers so as to minimize the number of transitions for each bit; a data driver that supplies a video signal to data lines; and a decoding block, installed in the data driver, that recovers the modified data transmitted from the timing controller to the current pixel data, wherein the encoding block includes: wherein the output part includes: