Patent ID: 6919872

Claim:
A driver for driving an LCD (liquid crystal display) panel associated with i number of scan lines and j number of column lines, said i and j being positive integers not less than 2, the driver comprising: a display data memory for storing display data, the display data memory arranged in a matrix corresponding to the i number of the scan lines and the j number of the column lines and concurrently outputting the display data corresponding to a scan block corresponding to m number of the scan lines and said j number of the column lines, said m being a positive integer not less than 2 and not more than i; and a column signal circuit for generating column display signals by modifying the concurrently output display data, the column display signals generating a display on the LCD panel in accordance with the concurrently output display data, wherein said column signal circuit comprises: an XOR (exclusive OR) block including j number of XOR sets for performing exclusive OR operations between the concurrently output display data and orthogonal function data to determine mismatches, each XOR set including m number of XOR gates corresponding to the m number of the scan lines in each scan block.