Library

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Smart Lighting – New Features Impacting Energy Consumption

Smart lamps and luminaires are common in today’s lighting market. Smart lighting provides an opportunity for the consumer to benefit from wireless control of lighting products, e.g. by dimming, colour tuning and scheduling. These functions can provide energy saving but they also require energy consumption to supply standby power and gateways. In 2016, the first SSL Annex status report found a large variation in the standby power consumption from 0.15 to 2.70 Watts with an

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SSL Quality and Performance Requirements

The IEA 4E SSL Annex has published its new and updated “quality and performance requirements” for the most popular LED lamps and luminaires. These specifications are offer policy makers and programme managers guidance on the most important parameters to consider when specifying or regulating LED lamps and luminaires. Parameters include efficacy, lifetime, light colour, durability, and many other metrics.

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LED Product Lifetime Testing Report

A new report by the IEA 4E Solid State Lighting Annex provides a look across the body of literature on lifetime definitions for LEDs and LED products. The reports looks 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

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Interlaboratory Comparison for Goniophotometers (IC 2017)

The final report from the IEA 4E Solid State Lighting Annex’s 2017 Interlaboratory comparison (IC 2017). This comparison had 36 participating laboratories from 19 countries with a total of 42 goniophotometric instruments, the largest interlaboratory comparison of such equipment ever undertaken. This comparison investigated the level of agreement in measurements of SSL products by various types of goniophotometers including near-field type and source-rotating type, as well as mirror-type goniophotometers which are most commonly used.  IC

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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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