Discovered at the University of Manchester in 2004 by Prof Andre Geim and Prof Kostya Novoselov. They uncovered in an experiment session that graphene is a single layer of graphite, linked together in a honeycomb structure. Thinner than paper but stronger than steel, this a great conductor of electricity as well as having a multitude of other functions. This thin layer of carbon is what lies behind the 2010 Nobel Prize in Physics.
A graphene LED light bulb is simply an LED light bulb where the filament has been coated in graphene. Graphene helps to disperse heat from the bulbs making them brighter. This means a lower wattage light bulb will have the same effect, therefore reducing energy usage for the same output.
With the addition of this graphene layer, LED lights are able to last even longer. LED lights already boast the benefit of lasting longer and using less energy. Graphene light bulbs further enhance these benefits thus saving time, money and energy.
High temperature leads to premature LED failure and greater intensity loss over their lifetime. By keeping the LED filaments cooler using graphene, we can prolong the life of the light bulbs and ensure that they reach their optimum performance and predicted lifetime.
LED's heat up internally due to the electrical current that passes through. Without proper cooling the heat can make the light less efficient. Using graphene, the temperature is reduced by more than 10C.
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