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THE NANO OPTOELECTRONICS GROUP

NEWLED

Nanostructured Efficient White LEDs based on short-period superlattices and quantum dots


The NEWLED project aims to develop a new generation of white light-emitting LED lights, which would be much more efficient than any existing light bulbs. Values of 50 to 60% overall efficiency with a conversion of greater than 200 lm/W in the exploited warm white LEDs are targeted as well as the realisation of a colour rendering index (CRI) of greater than 90. Widespread use of such LEDs would reduce global energy consumption by approximately 10% and massively reduce CO2 emissions. The effort to produce highly efficient white LEDs will see the project examine every stage of the LED fabrication process, from developing new knowledge on the control of semiconductor properties on a near-atomistic level to light mixing and heat management.


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