Patent ID: 8384731
Filing Date: 2013-02-26
Classification: G09G

Abstract:
1. A color transformation method, comprising: receiving a color signal; performing a saturation calculation step to generate a saturation value of the color signal through a saturation calculator, and performing a hue-angle-weighting calculation step to generate a first hue-angle weighting of the color signal corresponding to a first look-up table (LUT) and a second hue-angle weighting of the color signal corresponding to a second LUT, wherein the first LUT and the second LUT are derived from calculating a first color gamut of a first backlight and a second gamut of a second backlight; and performing a color calculation step to transform the color signal into a first color output signal according to the saturation value and the first hue-angle weighting, and to transform the color signal to a second color output signal according to the saturation value and the second hue-angle weighting by a color calculator, wherein the color calculation step is performed according to a first color calculation formula RGB