Patent ID: 6191768
Filing Date: 2001-02-20
Classification: G09G

Abstract:
A display system comprising:a first read/write memory to store display data from a processor;a display module comprising:a matrix display device; anda second read/write memory;a read/write controller which reads the display data stored in said first read/write memory, changes the format of the display data read out from said first read/write memory and transfers the display data to said second read/write memory,wherein said second read/write memory stores at least a portion of the display data read from said first read/write memory; anda display drive circuit for displaying an image on said matrix display device in accordance with the display data read from said second read/write memory,wherein said read/write controller reads the display data from said first read/write memory at a data transfer rate different than a data transfer rate of the display data read out from said second read/write memory by said display drive circuit, andwherein the amount of data transferred from said first read/write memory to said second read/write memory is less than the amount required for said display drive circuit to display said image on said matrix display device.