Patent ID: 6054972
Filing Date: 2000-04-25
Classification: G09G

Abstract:
An apparatus for driving a liquid crystal display device comprising: picture image data storing means for storing picture image data which is input from outside; picture image data readout means for reading out each element in a specific column of a matrix of picture image data from said picture image data storing means; gradation correction term calculation means for calculating a gradation correction term from the read-out picture image data; scan data storing means for storing scan data in advance; scan data readout means for reading out specific scan data from the scan data storing means; operation means for operating a matrix of signal data based on the picture image data in a specific column being read out from said picture image data storing means, scan data being read out from said scan data storing means, and said gradation correction term; and signal data storing means for storing signal data after being operated, wherein the gradation correction term calculation means inserts the gradation correction term for every predetermined row in the matrix of picture image data.