The road to creating a blue LED was long and rough, but in 1993, it burst onto the scene. Learn about the struggles and ...

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 ...

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, ...

Dr Glen Jeffery, professor of Neuroscience at University College London, says light from LED bulbs can impact our health ...

Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...