Re: Cost of electricity for light dimmer
From: Watson A.Name - \ (NOSPAM_at_dslextreme.com)
Date: 10/27/04
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Date: Tue, 26 Oct 2004 21:08:36 -0700
"Rich Grise" <rich@example.net> wrote in message
news:pan.2004.10.27.02.48.25.177612@example.net...
> On Tue, 26 Oct 2004 19:17:24 -0700, Watson A.Name - "Watt Sun, the
Dark
> Remover" wrote:
>
> > I was reading some promiotional stuff on the Lumileds website. They
> > pointed out that the white LEDs have the advantage that they can be
> > dimmed, and the color temperature doesn't change, in other words
they
> > don't have the disadvantage of incandescents that as they are
dimmed,
> > the amount of light per watt diminishes.
>
> LEDs for light seem to come up a lot - I very seldom see an
incandescent
> red stop light, for example. But are they really more efficient, like
> lumens per watt, or however that's measured? 'Cause if so, it seems
like
> a no-brainer, although the one "white" LED flashlight I've seen was
very
> blue, and would have been icky for general room lights. Maybe a
reading
> lamp...
>
> But do they publish that sort of thing, i.e. so many watts in -> so
> many photons out, or something?
Follow the other followups. Don Klipstein's LED pages and his posts.
> Thanks!
> Rich
>
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