Abstract
There are two independent chromatic variables while matching the color of LED backlight based on three primary colors.Night vision radiant luminance and the departure from the color coordinates of certain reference point are two restrictions,under which there exists one and only best color matching scheme.By means of two variables linear regression analysis,approximate relations between radiance and color coordinates are given.Through trial and error procedure from least three rounds of radiant luminance measurement,the best configuration of color can be calculated.According to the analysis of mean residual,the error of estimated radiation can be less than 2% in basic accuracy of measurements and proper range of sampling points.
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