The life and light of LEDs Summary NPL worked with UK company Luminanz to help them accurately demonstrate the reliability of their LED products through specialised temperature measurement techniques. There is a direct relationship between how hot an LED gets, and the LED's lifetime. If you can monitor the LED operating temperature, you can predict how it will perform during its lifetime. This information is essential to lighting manufacturers, such as Luminanz, so that their products can meet their customers' needs and expectations. About the Customer Luminanz is a small high technology start up (founded in 2007), based in Bolton, which has pioneered a#160;number of light emitting diode (LED) lighting innovations including edge-lighting, air-gap technology and wave-guiding. The Challenge

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