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OLED architectural lighting is an emerging field, so writing this report required input from companies and individuals with specialized experience. The Horizon Group of Acuity Brands Lighting and OLEDWorks, LLC provided technical guidance. Lisa Pattison of SSLS Inc. assisted with an expert review. Stephen Blackman of Blackjack Lighting shared what he had learned in designing and manufacturing OLED luminaires. Many luminaire manufacturers provided technical data and inspiring photos. The authors are grateful for these substantial contributions to this OLED lighting overview.

The IEEE Standards Working Group, IEEE PAR1789 "Recommending practices for modulating current in High Brightness light emitting diodes (LEDs) for mitigating health risks to viewers" has been formed to advise the lighting industry, ANSI/NEMA, IEC, EnergyStar and other standards groups about the emerging concern of flicker in LED lighting. This paper intends to introduce new measures and definitions of lamp flicker in lighting. The discussion represents on-going work in IEEE PAR1789 that is vital to designing safe LED lamp drivers. Y 2 0 1 1 P A G E S 1 8 9 -1 9 5 L E U K O S V O L 7 N O 3 J A N U A R

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