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French Agency for Food, Environmental and Occupational Health & Safety

LED (Light-emitting diode)

LED – light-emitting diodes

Updated on 21/09/2016

Keywords : Light, Lighting, LED (Light-emitting diode)

Light-emitting diodes (LEDs) are undergoing rapid technological and economic development as a new source of lighting. For many years, they were only used in electronics but are now found as integral parts of lighting systems. Currently, the most economic method of manufacturing LEDs is to combine a diode emitting at a short wavelength (in the blue region) with a yellow phosphor, thus generating white light. The intense wavelengths in the blue part of the spectrum of light emitted by LEDs, and the associated radiation intensity, raise the question of new health risks related to these sources of lighting. In this context, ANSES published a report on the health effects of LED-based lighting systems in October 2010, along with recommendations intended in particular to improve controls on marketing of these products.

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