Installed Light-emitting diodes:
. . . 2008, 400,000,
. . . 2014, 77 million,
. . . 2015, 202 million,
. . . Plus, a 94% price reduction.
10-21-2016 Source: LED's
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LED (light-emitting diode)
Started by eds, Oct 21 2016 12:47 PM
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