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How a TV Pixel works?

Updated: 8/16/2019
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15y ago

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At a minimum it consists of three spots of phosphor. Red, green, & blue.

There are three electron guns (a cathode with control grids), one for each color.

There is a shield (a metal plate with holes in it, one for each three dots). Each gun "sees" only it's own color dots.

The three signals control the number of electrons hitting each dot and therefore the intensity of each color. Your eye (or rather your brain) converts the three into a single color, millions of them.

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