Photobiological safety of LED

In widening array of lighting applications, LED fixture are more energy efficient and less maintenance when compare to traditional lighting. However, the high quality LEDs has also increased photobiological effects. To define these concerns, product safety standards , IEC 62471 have been developed that detail specific testing, exposure limits, and risk groups.

IEC 62471 determining four groups for optical radiation sources to which a product is assigned based on the level of hazard to the skin and eye:  

GR0 - risk group 0: no risk whatever the observation time of the source

GR1 - risk group 1 (low risk): maximum exposure time of 10,000 s (3 h)

GR2 - risk group 2 (moderate risk): maximum exposure time of 100 s

 GR3 - risk group 3 (high risk): maximum exposure time of 0.25 s

Mandatory for sale, the CE marking of lamps and luminaires makes it necessary to display their classification in terms of photobiological risks if it exceeds GR1.IEC 62471 compliant LEDs also enable buyers to make informed decisions regarding the relative safety of comparable products.

AGC strongly testing all products in accordance with IEC 62471, have been evaluated against IEC 62471 have a potentially significant competitive advantage, demonstrating their commitment to producing quality products

The photobiological safety of lamp GR0 information can also refer to CB report

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