Patent ID: 8447363

Claim:
A mobile phone terminal for displaying an image on a liquid-crystal display, comprising: a reference luminance setting section including a reference luminance value table; and an image control section including a gamma correction value table, wherein the reference luminance value table for beforehand register luminance levels of a backlight of the liquid-crystal display as reference luminance values according to a gradation of image data to be displayed; the gamma correction value table for beforehand register values to correct a drive level of a liquid-crystal panel of the liquid-crystal display as gamma correction values according to a gradation of image data to be displayed; the reference luminance setting section sets the luminance of the backlight to a luminance level corresponding to the reference luminance values registered to the reference luminance value table based on a gradation of image data inputted thereto; and the image control section carrier out a gamma correction on the basis of the gamma correction values registered to the gamma correction value table.