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CIE 127-2007

Measurement of LEDs

standard by Commission Internationale de L'Eclairage, 03/01/2007

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About This Item

 

Full Description

This report is an update of the previously published CIE Technical Report CIE 127-1997. There are significant differences between LEDs and other light sources which made it necessary for the CIE to introduce new quantities for their characterization with precisely defined measurement conditions. New quantities introduced here are "Averaged LED Intensity" and "Partial LED Flux".

The report describes in detail the measurement conditions for ALI (Averaged LED Intensity), Total and Partial LED Flux and Spectral Power Distribution. It is shown that measurements by substitution method using LED standards can be simpler; however it is important to compare similar coloured LEDs or use colour correction on the measurement results. The standard LEDs need to be calibrated by National Metrology Laboratories or a laboratory traceable to National Metrology Laboratories.

The report is written in English, with a short summary in French and German.

 

Product Details

Published:
03/01/2007
ISBN(s):
9783901906589
Number of Pages:
38
File Size:
1 file , 960 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus