How do they get a white color on CRT's and LCD displays?

How do they get a white color on CRT's and LCD displays?
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1 Answer

Answer :

answer:There are two models of colors: additive and subtractive. Additive color is what happens with light: if you mix red and green, you get yellow. If you mix red and blue, you get cyan. If you mix everything, you get white. Subtractive color is what happens with inks, pigments, and dyes: if you mix red and green, you get brown, and if you mix everything, you get black. CRTs and LCDs use additive color models because they’re working with light; printers use subtractive color models because they’re working with inks. Check out http://en.wikipedia.org/wiki/Additive_color and http://en.wikipedia.org/wiki/Subtractive_color for more information.
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