Bridgelux demonstrates silicon substrate LED that produces 135 lumens per watt
The only reason this is news is it promises much cheaper LEDs.
The only reason this is news is it promises much cheaper LEDs.
Nice. This may have some uses not thought of yet.This is hot off the press - http://www.ecnmag.com/news/2011/04/...rch/New-Class-of-Light-Emitting-Material.aspx
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