Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

Uniroyal Optoelectronics of Sarasota, Fla., has significantly boosted the light output of its blue LED chips. Some recently shipped test chips have achieved brightness levels ranging from 3.5 to 4 mW, ...