Latest Publications
This document describes the elements, function and characterization of imaging luminance measuring devices (ILMDs). Furthermore, the calibration of ILMDs is described and some guidelines for their use are provided.
Using ILMDs the projection of the luminance distribution of a scene can be recorded... more
The topic of this report is discomfort glare in the context of road and vehicle lighting. It provides an overview of the research methods, mathematical models and the variables which are considered to influence discomfort glare. The report describes the difficulties associated with the evaluation... more
CIE TN 012:2021 Guidance on the Measurement of Temporal Light Modulation of Light Sources and Lighting Systems
New regulations are coming into force in several regions with respect to temporal light modulation (TLM) of lighting products. However, standardized test methods and even basic understanding of requirements are largely lacking in the area. Newly introduced metrics, like the stroboscopic visibility... more
The development trend for high-tech products is towards the capability of flexibility, for example flexible lighting, displays, cell phones, batteries, sensors, memory, solar cells. Flexible products can be light, thin, break-resistant, and offer more creative freedom for the designer. It is not... more
Latest News and Events
This CIE Tutorial has been developed to support the understanding, adoption and proper application of ...
The International Day of Light is celebrated every year on May 16.The CIE is proud to be part of the...
The use of UV Radiation in preventing the spread of COVID-19.
People the world over are looking for...
A Toolbox to support the use of the international standard CIE S 026:2018 CIE System for Metrology of...