Upper room UV germicidal irradiation with LEDs and VIOLET-12X1-O
UR-UVGI(-LED)
Upper room ultraviolet germicidal irradiation (with light-emitting diodes) + LEDiL VIOLET
Downlight luminaire under VIOLET is 40 cm wide, and VIOLET lens surface is around 15 cm from the edge.
Typically considered eye-safe value for 8 hour exposure: 0.3uW/cm2
Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2099326/