Re: Task Force 3 watt led flashlight

"William Sommerwerck" <grizzledgeezer@xxxxxxxxxxx> wrote in
news:JeydnSX7Xe-TE-PVnZ2dnUVZ_v_inZ2d@xxxxxxxxxxx:

1. UV LED exciting special fluorescent white material.

I've never heard of UV LEDs. They're not impossible, but they'd require a
rather wide band gap.

My understanding was that white LEDs were blue LEDs with a
yellow-fluorescing material. (blue+yellow=white -- to the eye)




http://www.nichia.com/product/led-lamp-uv.html

http://www.theledlight.com/UV.html

--
Jim Yanik
jyanik
at
kua.net
.

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