[rescue] Dual head Octane SI + ESI
mcguire at neurotica.com
Mon Sep 29 11:10:17 CDT 2003
On Monday, September 29, 2003, at 11:48 AM, Phil Stracchino wrote:
> The trouble with cold cathode is RF noise inside the case, and EL
> wire/foil suffers an exponential loss of brightness over its usable
> life. LEDs are definitely the best solution for this application.
> Yup, good bright blue LEDs have only been available for about two
> and white LEDs are even newer. White LEDs actually use a phosphor
> coating excited by the actual emissions of the LED to produce white
> light, iirc. It could in principle also be done by placing three
> junctions (R/G/B) close together in a single package, along with
> balancing resistors to tune the RGB color balance, but the phosphor is
> simpler solution; to my knowledge no-one's proposed doing the
> three-junctions-in-one-package trick commercially.
Kingbright makes them. I have a few here. No resistors,
though...they use to blues to make up for the luminosity difference.
These are neat...standard T1-3/4 size LEDs that have SIX LEADS coming
out of the bottom. :)
Dave McGuire "My tummy hurts now, but my soul
St. Petersburg, FL feels a little better." -Ed
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