Maybe they'll work in the front parking lamps?
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 10/2/06 1:14 PM, Barrie Robinson at barrie@look.ca wrote:
> Theo,
>
> Damn! Now I know. - Does anyone want my white LEDs ???
>
>
>
> At 02:37 PM 10/2/2006, Theo Smit wrote:
>> Part of the problem with using white LEDs behind a red lens is that modern
>> white LEDs are actually blue, violet or ultraviolet LEDs with a fluorescent
>> slug over top of them. The short-wavelength light from the LED excites the
>> fluorescent material, which then radiates in the visible part of the
>> spectrum, producing 'white' light with a bit of a blue cast to it. Putting
>> that behind a red lens then throws away about 90% of the effective
>> radiation, because the blue light and everything except for the red and
>> nearly-red components will get absorbed by the lens.
>>
>> Pure red LEDs generate red light only, and all of it will pass through the
>> taillight lens, with no wasted energy. Red LEDs will be MUCH better than
>> white LEDs, and they are definitely brighter than the equivalent
>> incandescent bulb especially if you're directly behind them.
>>
>> Best regards,
>> Theo
>
> Regards
> Barrie
>
> Barrie Robinson
> (705) 721-9060
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