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2023 Gold Pin Awardees announced

CIE Gold Pins are the highest honour awarded by the CIE. Established in 2007, the awards are granted...

CIE Australia Lighting Research Conference

CIE Australia Lighting Research Conference 2024 will be held at the University of Melbourne, Carlton, on...

CIE NC CA and NC US Biennial CORM Conference

The joint research conference organized by the Canadian and United States CIE National Committees of the...

Young Lighting Scientists September 21, 2023

Establishment of a New Division 3 Technical Committee

CIE 251:2023 LED Reference Spectrum for Photometer Calibration

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

CIE TN 014:2023 Example Luminance Measurement Setup for UGR

Technical Report CIE 232:2019 specifies a supplement to the Unified Glare Rating (UGR) method to determine the glare source area in case the glare source has a non-uniform luminance. The method requires high dynamic range (HDR)... more

CIE TN 015:2023 Second International Workshop on Circadian and Neurophysiological Photoreception