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IEC embraces multi-junction PV devices
The IEC has added to its 60904 series a new standard, IEC 60904-8-1:2017, "Photovoltaic devices - Part 8-1: Measurement of spectral responsivity of multi-junction photovoltaic (PV) devices". This provides important information on...
Categories: Solar & Photovoltaics
Bye-bye CRI?
The CIE Colour Rendering Index (CRI) (CIE 13.3-1995) and the general colour rendering index, Ra, has for many years been the standard metric for the colour rendition performance of light sources, included in a wide array of...
Categories: General & Specialty Lighting, Consumer products & Textile