Library

Welcome To The SSL Library

Literature Summary of Lifetime Testing of Light Emitting Diodes and LED Products

A summary of the literature on lifetime definitions for LEDs and LED products, including a look at failure mechanisms, accelerated life tests and test methods for estimating lifetime, and provides some recommendations. There is currently no agreement as to which test method can best estimate the lifetime of LED lighting products and the report thus addresses a key issue for regulators and industry interested in deployment of LED technologies

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Lessons Learnt Bringing LEDs to Market

The purpose of this report is to provide policy makers with examples and a summary of how IEA 4E SSL Annex member countries’ have introduced and promoted LED illumination products in their respective markets. This report highlights key policy and

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Potential Health Issues of SSL

This report addresses the issues of the potential effects of solid state lighting (SSL) products on human health. This work mainly focuses on glare issues, photobiological effects caused by the optical radiation on the eye and skin, flickering phenomena non-visual effects of light

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Performance Tiers for Downlight Luminaires

In August 2012, the SSL Annex published four performance tiers associated with LED lamps and luminaires: Non-directional Lamps for Indoor Residential Applications, Directional Lamps for Indoor Residential Applications, Downlight Luminaires, and Linear

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Performance Tiers for Directional Lamps

In August 2012, the SSL Annex published four performance tiers associated with LED lamps and luminaires: Non-directional Lamps for Indoor Residential Applications, Directional Lamps for Indoor Residential Applications, Downlight Luminaires, and Linear

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