Latest Publications

  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 published new LED illuminants in CIE 015:2018 Colorimetry, 4th Edition. Based on one of... more
  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 manufactures, agriculture facility companies, researchers with an optical... more
This document, which originates form the CIE and is maintained by the CIE, is managed within the ISO system by 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/CIE 11664 consists of the... more
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. Solar ultraviolet radiation (UVR) is recognized as a major cause of non-melanoma skin cancer in human... more

Latest News and Events

Aim This workshop is co-organized by Consultative Committee for Photometry and Radiometry (CCPR) and...
2024 is a landmark year!  We celebrate the centenary of the establishment of the V(λ) spectral luminous...
Agenda: Friday, 31 May, 2024: Morning: Annual Meeting Division 1 | TC Meetings Division 2 Afternoon:...
Join CIE at the Light+Building Trade Fair 2024! CIE is excited to announce its participation at the...