Patent ID: 6847342

Claim:
An image display apparatus comprising: a display section of LEDs, which are the pixel elements, arranged in a m-line by n-column matrix; a correction data memory section operable to store correction data corresponding to the LED for each of the respective pixel elements, said correction data memory section being provided with a first memory bank which forbids writing to memory and holds pre-stored first correction data, and a second memory bank which allows writing to memory; and control and driver circuitry operable to correct input image data based on the correction data and to display an image on said display section using the corrected image data, said control and driver circuitry being provided with a communication control section operable to control said correction data memory section such that said communication control section is operable to control said correction data memory section to write second correction data, which is different than the first correction data, into the second memory bank; wherein the entire image data is divided into parts and said display section is operable to display a part of the image data.