U upnorthsox Veteran Apr 1, 2016 #141 London-boy said: In english please? I don't have a phd. Click to expand... LED = light(photons) emitted by the passage of an electrical current. Incandescence = Radiance emitted from a heat source.
London-boy said: In english please? I don't have a phd. Click to expand... LED = light(photons) emitted by the passage of an electrical current. Incandescence = Radiance emitted from a heat source.