mds82
Enlightened
Joust found this article. sound promising for the future
http://www.eurekalert.org/pub_releases/2013-04/uoc--col042213.php
http://www.eurekalert.org/pub_releases/2013-04/uoc--col042213.php
I won't pretend to understand the details, but if it foreshadows more efficient LEDs then I am in!