Philips to unveil the world's first LED replacement for the 75-watt light bulb
Peerless Electronics Inc. - In October 1962, the first light-emitting diode (LED) was invented by scientist and employee of General Electric, Nick Holonyak by the working principle of Electroluminescence. EL (electroluminescence) is
Ultra efficient | Philips lighting
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EIVA IP65 E27 outdoor double ferrule silicone lamp holder
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Light-emitting diode - Wikipedia
Going with LED lights is a bright idea | Pittsburgh Post-Gazette
