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adlersmith · 04-04-2016, 01:56 AM

LEDs are semiconductor diodes, electronic devices that allow present to flow in only one direction. LEDs are a kind of Solid State Lighting(SSL), as are natural light–emitting diodes (OLEDs) and light–emitting polymers.

04-04-2016, 01:56 AM	#3
adlersmith Registered User Join Date: Dec 2015 Posts: 277	LEDs are semiconductor diodes, electronic devices that allow present to flow in only one direction. LEDs are a kind of Solid State Lighting(SSL), as are natural light–emitting diodes (OLEDs) and light–emitting polymers.