The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.
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performance temperature, <of an LED module>
temperature related to specified performance of the LED module
Note 1 to entry: Performance temperature is expressed in degree Celsius (°C).
Note 2 to entry: Performance temperature is measured at a given location point.