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LED || An illuminating History

The light-emitting diode has brightened our lives for half a century – from lighting up the city streets at night, to decorating Christmas trees each December.

The LED started life in October 1962, as a single red illumination in a General Electric research lab in New York state.

Now – as one of the world’s biggest retailers, Ikea, announces that by 2016 the only lighting products it will sell will be LED-based ones – Prof Nick Holonyak Jr from the University of Illinois, takes a look back at how it all began with his invention of the first practical visible-spectrum light-emitting diode.

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2 responses

  1. Helpful info. Lucky me I found your web site unintentionally, and I’m surprised why this coincidence didn’t came about earlier!
    I bookmarked it.

    Like

    May 8, 2013 at 5:29 AM

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