Xref: utzoo sci.electronics:3979 rec.audio:8542 comp.graphics:3285
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From: u-jmolse%sunset.utah.edu@utah-gr.UUCP (John M. Olsen)
Newsgroups: sci.electronics,rec.audio,comp.graphics
Subject: Re: Perceptual Color (was: Re: Looking for Blue LEDs)
Keywords: black/white -> color
Message-ID: <2903@utah-gr.UUCP>
Date: 4 Oct 88 03:42:23 GMT
References: <1138@nmtsun.nmt.edu> <862@ritcv.UUCP> <255@rna.UUCP> <4422@lynx.UUCP> <871@ritcv.UUCP> <870@dlhpedg.co.uk> <6101@watcgl.waterloo.edu> <790@ncar.ucar.edu>
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Reply-To: u-jmolse%sunset.utah.edu.UUCP@utah-gr.UUCP (John M. Olsen)
Organization: University of Utah, Computer Science Dept.
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In article <790@ncar.ucar.edu> cook@stout.UCAR.EDU (Forrest Cook) writes:
>awpaeth@watcgl.waterloo.edu (Alan Wm Paeth) writes:
>>a flashing b/w light can take on the appearance of color.

>...
>White LEDs are probably possible: red, green and BLUE LEDs could be
>put in close proximity and ~mixed~ with a diffuser to yield what would be
>percieved as white light.  The three LED currents would probably need tweaking
>to get true white.

Interesting.  Use RGB LED's to generate white light with which to trick the
eye into seeing color.  There seems to be an unnecessary step in there if
you want to generate color with LED's.  (Sorry, but .... well, no I'm not.)
:^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) :^) 

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