Gigahertz-Optik GmbH

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

ISO/CIE 11664-5:2024 (E) Colorimetry – Part 5: CIE 1976 L*u*v* colour space and u', v' uniform chromaticity scale diagram

This ISO/CIE International Standard was revised by the International Commission on Illumination (CIE) and is now published in cooperation with Technical Committee ISO/TC 274, Light and lighting, in collaboration with the European... more

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Gigahertz-Optik GmbH

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

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

CIE at the IEEE Sustainable Smart Lighting World Conference (LS2024)