When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

Do LED lights cause cancer? Can they really reduce crime? One kid is so concerned about LED streetlights that he called Mayor Rahm Emanuel. Chicago sixth-grader JJ Nnawuchi loves looking at the stars, ...

You might have come across articles saying that the LED light bulb emits blue light which causes a myriad of harmful effects including damage to the retina, macular degeneration and disturbed sleep ...

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.

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 ...

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 ...

In the United States and Canada, there have been many reports of LED street lights that were initially white but have suddenly turned purple. The reason for this change in color of LED street lights ...