eli5: how does a PC screen know which colors to show where?

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I’m just used to it working but I don’t understand at all how it works. Like how do the electric signals coming from the computer lead to each individual pixel showing the rexactly right color at the exactly right time?

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5 Answers

Anonymous 0 Comments

not sure, if it works this way today, but imagine there are 3 layers of lcd displays over each other. each filters a prime color, normaly red, green and blue, that means that it only let those colors through. the computer sends a set of three values to the monitor, that tell, how much a color shall be filtered. if you got a green point, it would be red 50, green220, and blue 50. much more green light comes through the filters so the point is green.

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