Re: Looking for Blue LEDs

Article View: sci.electronics

Article #19754

#19754

From: Dan Ts'o
Date: Fri, 23 Sep 1988 03:25

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In article <871@ritcv.UUCP> cep4478@ritcv.UUCP (Christopher E. Piggott) writes:
>
>Question: why are R.G.B. monitors Red, GREEN, blue, when GREEN is not one of
>the primary colors (being a combination of blue and yellow)?  Why shouldn't
>it be red, YELLOW, blue?

	You are confusing additive colors with subtractive colors. Yes, if
you add blue paint to yellow paint, you get green paint. But if you add
red light to green light, you get yellow light, not brown paint.

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arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!nrl-cmf!ukma!gatech!uflorida!haven!ncifcrf!nlm-mcs!adm!cmcl2!rna!dan

References: <1138@nmtsun.nmt.edu> <862@ritcv.UUCP> <255@rna.UUCP> <4422@lynx.UUCP> <871@ritcv.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!nrl-cmf!ukma!gatech!uflorida!haven!ncifcrf!nlm-mcs!adm!cmcl2!rna!dan
From: dan@rna.UUCP (Dan Ts'o)
Newsgroups: sci.electronics,rec.audio
Subject: Re: Looking for Blue LEDs
Keywords: blue blue blue, not yellow or red or green
Message-ID: <262@rna.UUCP>
Date: 23 Sep 88 03:25:53 GMT
References: <1138@nmtsun.nmt.edu> <862@ritcv.UUCP> <255@rna.UUCP> <4422@lynx.UUCP> <871@ritcv.UUCP>
Reply-To: dan@rna.UUCP (Dan Ts'o)
Organization: Rockefeller University Neurobiology
Lines: 9

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