What is the difference between edge-lit and back-lit LED panels?
2021-01-22What is the difference between edge-lit and back-lit LED panels?A back-lit LED panel is made of an array of LEDs fitted ...
What is UGR?
2021-01-22UNIFIED GLARE RATING (UGR)Introduction to UGRUGR stands for Unified Glare Rating. It is an objective measure of glare th...
COMMISSION DELEGATED REGULATION (EU) 2019/2015 ERP STANDARD
2021-02-06COMMISSION DELEGATED REGULATION (EU) 2019/2015of 11 March 2019supplementing Regulation (EU) 2017/1369 of the European Pa...
Calculations Glare Ratin(GR Observer)
2021-01-29Calculations Glare Rating ConceptsIn 1994, the CIE developed a glare evaluation method for outdoor sports lighting and a...
What is Luminous Flux?
2021-01-22Luminous flux is a measure of the power of visible light produced by a light source or light fitting. It is measured in ...
What is DALI ?
2021-01-22LI GuideDALI stands for Digital Addressable Lighting Interface. It is a 2-way communications protocol that is used to pr...
What is LM-80? A Guide to LM-80 Standard
2021-01-22LM-80 is a standard that defines how the lumen output and colour shift of LEDs should be measured over time and at diffe...
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