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Giving LEDs a cozy, warm glow

When the 2014 Nobel Prize in physics was awarded this October to three Japanese-born scientists for the invention of blue light emitting diodes (LEDs), the prize committee declared LED lamps would light the 21st century. ...

dateNov 19, 2014 in Optics & Photonics
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LED's efficiency exceeds 100%

( -- For the first time, researchers have demonstrated that an LED can emit more optical power than the electrical power it consumes. Although scientifically intriguing, the results won’t immediately result ...

dateMar 05, 2012 in General Physics report
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