News

January 21, 2022

IEA 4E SSL Annex issues new report promoting CIE’s new global test standard

The International Energy Agency’s Energy Efficient End-use Equipment (IEA 4E) Solid State Lighting Annex (SSL Annex) organized the 2017 Interlaboratory Comparison (IC 2017) to investigate 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.
 

December 19, 2019

OSA Color Technical Group Webinar - Blue Light Hazard what does it really mean?

OSA Color Technical Group webinar on Blue Light Hazard.

Presented by the CIE Vice President Standards, Dr John O'Hagan. 
 

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