3 Oct
2005
3 Oct
'05
6:24 a.m.
>>>> "Tony" == Tony Duell <ard
at p850ug1.demon.co.uk> writes:
Tony> Hmmm.. Fromt what I rememeber, white LEDs depend on a phosphor
Tony> in the package to get the white light (LED's being naturally a
Tony> narrow-band device).
Mostly true, but there now are white LEDs that don't use phosphors,
just a well chosen combination of several LED colors that create the
appearance of white -- just as your computer display does.
paul