Latest Publications
This report concerns lighting for roads where pedestrians are the primary road user. Lighting guides recommend certain criteria for design such as target illuminances. The bases of these recommendations are, however, largely unstated or were not published in international magazines and got lost.... more
CIE TN 010:2019 Determination of the Optical Beam Axis, Centre Beam Intensity, and Beam Angle of Directional Light Sources
Many regional standards and regulations require a manufacturer of directional light sources to publish the beam angle (or beam angles for non-symmetrical sources) and centre beam luminous intensity of their products as well as derived data such as the useful luminous flux or zonal lumen values.... more
This supplement to CIE S 025:2015 Test Method for LED Lamps, LED Luminaires and LED Modules specifies the requirements for measurement of electrical, photometric, and colorimetric quantities of OLED luminaires and OLED light sources. These sources were not covered by CIE S 025:2015 even though they... more
LED modules and light engines represent a wide range of very different products with unique physical properties. Thus, they can neither be treated as single LED packages (where measurements refer to a specific junction temperature of a single LED or the average of a single die, multiple-junction... more
Latest News and Events
The National Committe for Lighting in Bulgaria (NKO) is proud to announce their upcoming event ......
CIE NC Australia Inc. is proud to announce that their Lighting Research Conference 2020 will be held on...
New Partnership Agreement between the CIE and the ISO Signed
In December 1986 the International...
All individual paper prepared and submitted for the conference of the 29th Session of the CIE,...