On 28 Giu, 23:45, Spencer Grant <a..._at_b.com.invalid> wrote:
> Sto cercando un valore numerico dell'efficienza nella conversione
> elettro-ottica di un led, sia momocromatico che bianco.
> Google non mi �
> stato molto amico perch� tura fuori i lumen, le candele, ecc
http://en.wikipedia.org/wiki/Luminous_efficacy
"White LED light" has typically roughly rough-ballpark 300 (often a
little less) lumens per radiated watt, with one recently announced
especially efficient prototype having 331 lumens per radiated
watt ,and 91.7 lumens per input watt, meaning 27.7% efficiency of
converting electricity to light.
Received on Mon Jun 30 2008 - 21:21:02 CEST