Daytime Running Lights (DRL)

CIE 104-1993

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CIE President Dr. Jennifer Veitch Inducted as Fellow of the Royal Society of Canada

The International Commission on Illumination (CIE) is proud to announce that its President, Dr.

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

Hosting organizations:

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

CIE France Scientific Conference 2025

CIE Australia Lighting Research Conference 2025

CIE Australia is pleased to announce the 2025 edition of the CIE Australia Lighting Research Conference…

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

CIE 253:2024 Overview of Methods for Evaluating Colour Rendition of White-Light Sources beyond Colour Fidelity

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Technical Report CIE 253:2024 includes an overview of seven methods to characterize specific colour rendition characteristics of white-light sources beyond… more

CIE PS 001:2024 CIE Position Statement on Integrative Lighting - Recommending Proper Light at the Proper Time, 3rd Edition

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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… more

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

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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… more