http://www.newscientist.com/article/dn16496-cheap-superefficient-led-lights-on-the-horizon.html
Little Quote:
A 15-centimetre silicon wafer costs just $15 and can accommodate 150,000 LEDs making the cost per unit tiny. That levels the playing field with CFLs . . . .
Enjoy
Little Quote:
A 15-centimetre silicon wafer costs just $15 and can accommodate 150,000 LEDs making the cost per unit tiny. That levels the playing field with CFLs . . . .
Enjoy