3 Oct
2005
3 Oct
'05
2:15 p.m.
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
I've seen DMD (and I think conventional) LED packages containing a red, a
green and 2 blue LED dice. I assume the 2 blues was to get adequate
intensity of that colour. And I believe by controlling the currents
through the LEDs you could get any colour, including white.
appearance of white -- just as your computer display
does.
Actually it doesn't. I am looking at a monochrome green screen at the
moment. OK, I do have colour monitors around here....
-tony