Patent ID: 6930675
Filing Date: 2005-08-16
Classification: G09G

Abstract:
1. A display driver which drives a display section based on still-image data and moving-image data, the display driver comprising: a random access memory (RAM) from which still-image data is read out for each scan line; a line memory in which is stored moving-image data in scan line units; a selector which selects and outputs one of a scan line output from the RAM and a line memory output for each column position, based on image determination data; a line data resister which stores line data indicating whether or not the display section is to be driven based on the moving-image data at each scan line of one column; a column data register which stores column data indicating whether or not the display section is to be driven based on the moving image data, at each column positlon of one scan line; and a data generation circuit which generates the image determination data based on the line data and the column data, for each column position of one scan line in the display section; wherein the image determination data is generated according to a column position defining a display area that is driven on the basis of the moving image data or the still-image data, for each scan line.