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Home > Archive > Alternative Power sources > December 2005 > Re: Analize this article please, It is too good to be true,
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Re: Analize this article please, It is too good to be true,
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| Duane C. Johnson 2005-12-31, 9:21 pm |
| Hi SolarFlare;
SolarFlare <sfl.are@hot.mail.invalid> wrote:
> Yeah, once they get those LEDs to a more efficient
> state of technology...say down to 0.9 vdc per junction
> then tree lighting will be much more economical. Think
> about it...no wires...just punch the LED stab
> electrodes into the bark and ...voila! free Christmas
> lighting!
Don't be silly.
We already have .9V LEDs. Unfortunately they are infrared.
The color of the monochrome LEDs is usually defined by
Einstein's photoelectric equation and the semiconductor's
bandgap voltage.
Sorry, but .9V will always be infrared.
Duane
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Home of the $35 Solar Tracker Receiver
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