16 LED UNITS
The newest entry into the concert lighting field is the light-emitting diode (LED). Some argue that it is the only real advance in lamp technology in the past 100 years. Its history can be traced back to 1907 to a researcher named H. J. Round, who worked for Marconi Labs and noticed that electroluminescence was produced from a crystal of silicon carbide when electricity was applied to it. A Russian independently created the first LED in the mid-1920s but the discovery was ignored in the United States and England.
The first reported visual-spectrum red LED was created in 1962 by Nick Holonyak, Jr., who was a researcher at General Electric. Holonyak is considered the father of the light-emitting diode. He later moved to the University ...
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