Re: TI-H: Re: LZ: Backlighting
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Yes, but I tried that today and the LEDs don't fit! You'd have to have
some transparent paper-thin illuminator to do the job! Unless you've got
something like that, it seems unlikely that this idea will work!
"Honors Master PhD of Idea Engineering"
-= Zenon@bbs.nexes.com =-
----------
: From: ti-hardware@lists.ticalc.org
: To: Zenon
: Subject: Re: TI-H: Re: LZ: Backlighting
: Date: October 21, 1996 8:07 PM
:
:
: Jason C. Wenger wrote:
: >
: > Postage paid by:
: > [Image]
: > Planet Direct
: >
: > ---------------------------------------------------------------
: >
: > >Digi-Key sells a four chip LED from Cree. It has two blue chips, one
: > >red and one green. If you put the correct amount of current into the
: > >LED, it can create any color light, including white. They are rather
: > [SNIP]
: >
: > No. Remember the experiments in junior high science class when you use
a
: > prism to break up a white light into a spectrum? This proves that
white
: > light is made up of all colors mixed together. LEDs can only emit one
: > frequency at a time.
: >
: True, what you are saying is absolutely correct HOWEVER, there ARE white
: LEDs (only developed within the last year I believe) and they are a
: combination of multiple LEDs. I still think that Night Vision RED would
: be the best color for the light.
References: