Since its inception in 1913, the CIE has become a professional organization and has been accepted as representing the best authority on the subject and as such is recognized by ISO as an international standardization body.
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With strong technical, scientific and cultural foundations, the CIE is an independent, non-profit organization that serves member countries on a voluntary basis.
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
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 following parts, under the general title Colorimetry:
— Part 1: CIE... 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