Energy Smarts

Creating a Clean, Affordable, and Resilient Energy Future for the Commonwealth

Monthly Archives: October 2014

Research > Efficient LED Lights > Nobel Prize Posted on Oct 31

Research > Efficient LED Lights > Nobel Prize

The holy grail of getting solid state white light from light emitting diodes (LED) was elusive. To produce white light from these solid state devices, you need blue diodes. Blue LEDs didn’t exist; physics made it hard and scientists and engineers could not beat the blue diode problem. Until . . .