In addition to issues with focusing on objects while under purple light, these defective lamps can give off reduced brightness to their white or yellow counterparts. Naturally, this decreases ...

Traditionally, paved roads and pedestrian walkways have been illuminated by streetlights emitting a bright white, orange, or yellow glow. The aim is visibility, not aesthetics, and rarely will ...

Street lamps are giving off an eerie indigo glow ... of the LED bulbs’ coatings to delaminate, casting a bluish-purple light onto our streets. “At the time of upgrading some intersection ...