Division 4 News and Events

June 3, 2024

Bureau International des Poids et Mesures (BIPM) in Sèvres, France

CCPR-CIE Expert Workshop "100 Years of V(Lambda) and The Future of Photometry'"

March 3, 2024 to March 8, 2024

Messe Frankfurt, Ludwig-Erhard-Anlage 1 | Frankfurt am Main

CIE at the Light + Building Trade Fair 2024

February 9, 2024

CIE Volunteer Survey

February 5, 2024

Proceedings of the 30th Quadrennial Session of the CIE is now published

We are delighted to announce the release of the Proceedings of the 30th Quadrennial Session of the CIE: Innovative Lighting Technologies, held in Ljubljana, Slovenia from September 15-23, 2023!

September 1, 2023

CIE Datasets Available Online

Catch the recorded webinar and slide deck

July 6, 2023 to September 30, 2023

CIE TC 4-50 collection call for “r-tables” data

May 3, 2023 to May 5, 2023

CIE Tutorial on Urban Lighting Masterplanning

Event webpage
Tutorial Programme
Registration deadline April 29 2023.