News

Knowledge about the effects of light on human health, behaviour, and well-being is advancing rapidly, as is interest in applying this knowledge in lighting technologies and practice.

This CIE Position Statement is the third... more

CIE 252:2024 Assessment of Discomfort Glare from Daylight in Buildings

Glare models developed for electric lighting conditions are not applicable to daylight situations. This report summarizes the daylight glare prediction models which were confirmed by independent studies.

The cause of the... more

CIE 254:2024 A roadmap toward basing CIE colorimetry on cone fundamentals

This Technical Report presents a roadmap for the CIE, to help guide its development of a new, complete, self-consistent system of CIE colorimetric measures, based directly on cone fundamentals, with explicit consideration of the... more

CIE S 027:2024 Photometry of road illumination devices, light-signalling devices and retroreflective devices for road vehicles

This International Standard provides requirements to perform reproducible photometric and colorimetric measurements on road illumination devices, light-signalling devices and retroreflective devices to be used in road vehicles. It... more

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News

February 6, 2023

New CIE JTC Call for Experts

December 19, 2022

CIE TC 3-62 Call to Participate

September 4, 2022

Joint Statement of Intent on the Digital Transformation

August 5, 2022

CIE TC 3-61 Call to Participate

July 18, 2022

CIE TC 2-98 - Call to participate

July 8, 2022

CIE Attains Full Membership of the International Science Council

July 4, 2022

New CIE Brochure

May 18, 2022

CIE TC 2-97 call for participants

May 3, 2022

CIE Tutorial Planning

April 27, 2022

CIE TC 3-60 TC on Spectral Daylight Characteristics - Southern Hemisphere Data Needed

Pages

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

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

CIE Australia Lighting Research Conference 2025

The Balkan Light 2024 Conference: “Future of Lighting: Efficient and Intelligent”

CIE Q&A Sessions for National Committees, Associate National Committees, Affiliate and Supportive Members