From: Victor Roberts
Organization: Roberts Research & Consulting, Inc.
X-Mailer: Mozilla 4.78 [en] (Win98; U)
Subject: Re: luxeon star leds
References: <3DDD9A57.58900EFB@RobertsResearchInc.com> <email@example.com> <3DDDB646.96D0D9D2@RobertsResearchInc.com> <3DDE7264.CD48F4F8@RobertsResearchInc.com> <firstname.lastname@example.org> <3DDEB081.884EC92A@RobertsResearchInc.com> <3DE03D65.932BF9BF@RobertsResearchInc.com> <3DE15871.EF8FF9EA@RobertsResearchInc.com> <3DE224D3.81EFBA3C@RobertsResearchInc.com>
Date: Wed, 27 Nov 2002 17:31:53 GMT
NNTP-Posting-Date: Wed, 27 Nov 2002 09:31:53 PST
Watson 'Atto Parsec' Name wrote:
> > If you run a Luxeon LED (either the single LED, or the 12-LED Luxeon Line)
> > at full power, with only the heat spreader attached, the LED(s) will be
> > damaged by overheating in a few minutes. In fact, this is pretty obvious,
> > looking at the size of the heat spreader. Taking the single Luxeon with the
> > attached ~1" square metal core PCB attached to it, as an example, it is
> > obvious by inspection that this will not stabilize at only 60C, when you are
> > pumping a Watt into it.
> > Bob.
> I think you are going to have to eat your words. Victor posted a followup
> about that 60 degree statement I made. :-0
I consider sci.engr.lighting to be an educational resource.
I do not post material with the intention that it will make
anyone "eat their words". I have posted comments that were
later shown to be incorrect. Others may do the same. I
assume we are all here to learn more about lighting.