Past News and Events

20 March, 2025 to 22 March, 2025

University of Manchester, Manchester, UK

4th Manchester Workshop on Light Metrics for Biology: Light Pollution

19 March, 2025

Interview with CIE VP Education Prof. Dr. Luoxi Hao in LED Professional Review

13 March, 2025

Why Submit Full-length Papers to the CIE 2025 Scientific Conference?

11 March, 2025

Vienna, Austria

Registration Now Open for CIE 2025 Scientific Conference – Early Bird Rates Available!

3 March, 2025

Beware of Accommodation Scams Claiming to be from CIE 2025

26 February, 2025

New FileOpen Plugin Fixes Access Issues for CIE Webshop Documents

26 February, 2025

Online through Zoom

CIE NC Türkiye: Connecting with the Turkish Lighting Industry Companies

24 February, 2025

CIE Member Code Update – Change Effective February 24, 2025

11 February, 2025

Strengthening Collaboration: CIE Welcomes IAU Delegation in Vienna

11 February, 2025

Espace Hamelin, 17 rue de l'Amiral Hamelin, 75116 Paris

CIE France Scientific Conference 2025

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CIE Project: "Understanding Science - Understanding Light"

The 31st Quadrennial Session of the CIE, Nanjing, China

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CIE NC Türkiye: 14th ATMK National Lighting Congress 2025

London Imaging Meeting: Lighting and Imaging

CIE experts Sophie Jost (ENTPE, CIE Division 1: Vision and Colour) and Jon Y.

CIE NC China: 13th International Forum of Automotive Lighting (IFAL2025)

CIE 255:2025 The Functional Visual Field

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The visual field of human vision has been studied for a long time and many scientific papers have been published on this topic. Technical Report CIE 255:2025 reviews a number of studies on the human… more

ISO/CIE 8995-1:2025(en) Light and lighting — Lighting of work places — Part 1: Indoor

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This International Standard was prepared by Technical Committee ISO/TC 274, Light and lighting, in collaboration with the International Commission on Illumination (CIE).

This first… more

CIE PS 002:2025 CIE Position Statement on Colour Quality Metrics, 2nd Edition

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Characterizing white light sources for their colour rendering capabilities began in the 1960s, but both light sources and colour science have advanced considerably since then.

… more

ISO/CIE 10916:2024 Light and lighting — Energy performance of lighting in buildings — Calculation of the impact of daylight utilization

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This International Standard was prepared by Technical Committee ISO/TC 274, Light and lighting, in collaboration with the International Commission on Illumination (CIE).

This first edition of… more