Patent ID: 8830252

Claim:
A color temperature compensation method, adapted for a multi-primary-color display, and the color temperature compensation method comprising: determining intensities of weights of three colors in an inputted three-dimension color signal; when the intensities of the weights of the three colors are the same, finding out a first set of multi-primary-color signal corresponding to the three colors with the same weights through a lookup table, and performing a digital gamma correction to the first set of multi-primary-color signal, so as to provide a first set of color temperature compensation signal accordingly; when the intensities of the weights of the three colors are different, finding out a second set of multi-primary-color signal corresponding to the three colors with different weights through the lookup table, and performing the digital gamma correction to the second set of multi-primary-color signal, so as to provide a second set of color temperature compensation signal accordingly; making at least one same color with the same weight in the three colors with the same weights and in the three colors with different weights displaying on the multi-primary-color display have different brightness; and making another one same color with the same weight in the three colors with the same weights and in the three colors with different weights displaying on the multi-primary-color display have the same brightness.