The danger of blue light exposure has been a hot topic in the LED industry as of late. This has overshadowed the energy-efficiency and environmental friendliness that LED lights are known for and has prevented them from becoming more widespread.

Many consumers are shying away from LED lighting due to potential harm blue LED bulbs can have on the retina of the eye. The media has even confused blue lights emitted from blue-ray and blue LED light. So what exactly are blue LEDs then?