Past News and Events

June 21, 2022 to June 22, 2022

Linz, Palais Kaufmännischer Verein

Lighting Technology Congress 2022

May 3, 2022

CIE Tutorial Planning

April 18, 2022 to April 20, 2022

St. Petersburg, Russia

2nd International and Technical Conference “Light in Museum”

February 8, 2022

University of New South Wales, Sydney, Australia

CIE NC Australia Lighting Research Conference 2022

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.