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The Kelvin scale (K) is often used to describe the colour ‘temperature’ of light in photographic and lighting contexts. A lower colour temperature will be ‘warmer’ with more red tones, and higher temperatures are ‘cooler’, with more blue tones. See our Colour Temperature Explained guide to find out which is right for you. The Kelvin scale (named after the British scientist and engineer William Thomson, 1st Baron Kelvin) is a measure of temperature, starting at ‘absolute zero’, the …

LED lighting is a common feature of Scandinavian life. The Danish government’s ambition to make Denmark a world-leading technological society is encouraging the development and use of LED light bulbs throughout society. And for Denmark’s neighbours, Sweden and Norway, LED lighting has been part of a sustainable lifestyle for some years. LED lighting in Denmark The Danish authorities are committed to LED technology. In December 2007, the government contributed half the …

Although the phrase “polar curves” suggests a snow-covered landscape of rolling hills, the normal definition is rather more prosaic. Polar curves relate to mathematics and appear on graphs. They show the way in which LED light bulbs and other bulbs distribute light. Photometrics Lighting engineers study photometrics. This is the process for measuring the intensity of light. Such intensity varies according to how close or far you are from LED light bulbs. Engineers use polar curves t …