Patent ID: 7075554

Claim:
An image display device for receiving an input image data comprising three or more color data, and displaying the input image data on an image display unit, comprising: a color converter for converting a first image data comprising three or more color data, into a second image data comprising three or more color data, on the basis of conversion characteristics data; a conversion characteristics storage for storing the conversion characteristics data; conversion characteristics designation means for designating conversion characteristics to be used by the color converter, and outputting conversion characteristics designation data; and conversion characteristics setting means for calculating the conversion characteristics data on the basis of the conversion characteristics designation data, and setting the conversion characteristics data in the conversion characteristics storage; wherein said conversion characteristics designation means comprises: chroma designation means for a user to designate the chroma of the color represented by the second image data comprising three or more colors; said color converter comprises: a calculation term generator for receiving the first image data, and outputting calculation terms which are effective just for the specific hues; and a matrix calculator for calculating the second image data, said matrix calculator performing calculation including matrix calculation using said calculation terms effective just for the specific hues.