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CIE standard illuminant A was introduced in 1932 to represent typical tungsten-filament lighting in colorimetry, and for decades it has been used as a reference spectrum in photometer calibrations.
In 2018, CIE... more

CIE DIS 017-SP2:2023 ILV: International Lighting Vocabulary –Supplement 2: Terms and Definitions for Horticultural Lighting

With the rapid development of the application of optical radiation in the field of plant growth in recent years, different types of stakeholders with different backgrounds are coming together; for example, lighting... more

ISO/CIE 11664-5:2023 Colorimetry — Part 5: CIE 1976 L*u*v* colour space and u’, v’ uniform chromaticity scale diagram

The committee responsible for this document is ISO/TC 274, Light and lighting. This second edition cancels and replaces the first edition (ISO 11664-5:2009), of which it constitutes a minor revision. ISO 11664 consists of the... more

ISO/CIE DIS 28077(E):2023 Photocarcinogenesis action spectrum (non-melanoma skin cancers)

ISO/CIE 28077 was prepared by CIE Technical Committee 6-32, Action Spectrum for Photocarcinogenesis, as CIE S 019. The committee responsible for this document is ISO/TC 274, Light and lighting.

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March 23, 2023

CIE TC 4-62 Adaptive Road Lighting - call to participate

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

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Licht2023

CIE TC 4-62 Adaptive Road Lighting - call to participate

CIE Australia Lighting Research Conference February 7, 2023

New CIE JTC Call for Experts

CIE TC 3-62 Call to Participate