Their inventions have found their way into bedside lamps, television screens, and smartphones, and have the potential to give light to the 1.5 billion people who don't have access to electricity grids ...

Thomas Edison may have invented the lightbulb, but he never received the Nobel Prize for it. Isamu Akasaki and Hiroshi Amano at the University of Nagoya, and Shuji Nakamura working at Nichia Chemicals ...

In a retrograde move, the U.S. Department of Energy (DOE) has just issued a final rule that, effective June 25, 2028, will firmly cement the dominance of unhealthy blue-pump LED light bulbs. We must ...

The three Japanese scientists who invented the first efficient blue LEDs in the mid 1990s have received the 2014 Nobel Prize in Physics. The invention of efficient blue LEDs was a foundational step in ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...

LED streetlights are spreading like wildfire in cities as municipal governments take advantage of the cost savings offered by these energy efficient bulbs. This conversion from conventional street ...

The blue light in LED lighting that is increasingly used in our homes can damage the eye’s retina while disturbing our biological and sleep rhythms, a French health authority warned in a new report.