22 Feb
2010
22 Feb
'10
11:47 a.m.
On 22 Feb 2010 at 20:34, Jochen Kunz wrote:
White LEDs have become one of the most efficient light
sources.
Is that really true? I would have suspected that red LEDs would be
far more efficient in terms of lumens-per-watt. The drawback being
that they're monochromatic.
--Chuck