Technical report says LEDs change laboratory measurements of light
The work was initiated 10 years ago by Professor Erkki Ikonen from Aalto University when it became evident that significant improvements on measurements of LED lighting can be achieved, if the old reference spectrum of incandescent lamp calibrations is complemented with a new reference spectrum of white LEDs.
The technical report will serve as a guideline for laboratory measurements. The new reference spectrum will be used for calibration of photometers that are needed for measurements of LED lighting.
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