Thread: (OT) Fluorescent Light Bulb Warning.
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Old May 22nd 07, 10:30 PM posted to rec.radio.shortwave
RHF RHF is offline
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First recorded activity by RadioBanter: Jun 2006
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Default (OT) : I Have Seen the Light of The Future -and- It Is an LED !
On May 22, 8:42 am, wrote:
I think some of those LED traffic lights have fresnell (spelling) lenses
on them.
cuhulin

Cuhulin,

A Fresnel Lens is really not needed
http://en.wikipedia.org/wiki/Fresnel_lens
with a well designed "Array" of LED Lights
http://en.wikipedia.org/wiki/Led
The individual LED Lights can be positioned
and configured to produce the same effect
with out the expense of a Fresnel Lens.
Flat - Concave - Convex
Center-Weighted -or- Edge-Enhanced

LEDs -another- Super Bright Idea !
http://www.superbrightleds.com/

i have seen the light of the future -and-
it is an led ! - luxeon be it's name . . . ~ RHF
http://www.luxeonstar.com/
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