New Audi sports car use LEDs from interior lighting to the headlights

Audi first introduced a green automobile R8 sports car, while this vehicle lighting that can be green and reduce carbon emissions that have nothing to do with fuel economy.



The new Audi R8 sports a much more powerful V10 engine that can push the vehicle to close to 200 MPH. Not only is the vehicle one of the fastest Audi's ever produced, it is the one of the first cars to bear the Audi marquee that will exclusively use power efficient LED lighting everywhere.

LEDs are used for the turn indicators, headlights, running lights and all interior lighting. The headlights used in the new R8 are the first in a completely new generation of LED only headlamps. Head of the Light and Visibility Department at Audi, Dr. Wolfgang Huhn said that a lot of people initially viewed LED lighting as a mere marketing gimmick. Yet everyone who has seen these lights in action is not only astonished by the excellent output but also thrilled with the homogenous distribution of light and the agreeable, daylight-esque colour of the light.

Many high-end cars today use xenon headlights for their brightness and energy-efficient design. A typical xenon headlight puts out about 80 lumens of light per watt. Early LED headlamps that Audi used on vehicles and concepts put out a mere 18 lumens per watt. The new LEDs used in the R8 are able to put out 100 lumens per watt, making them more efficient than xenon headlights for the first time ever.

One of the most interesting aspects of the new LED lighting system used on the R8 is that the light beam from the headlamps can be digitally controlled and changed as the environment changes. The lights can not only offer an indefinite lifespan, but the beam can be brighter when needed and then self-dim by changing the light beam when the vehicle gets close to other vehicles on the road. This helps prevent the possibility of blinding oncoming drivers.

Huhn pointed out that they are striving to create intelligent headlights and taillights which think and anticipate in the interest of enhancing a driver’s safety and comfort. So far, they have already had high-beam headlights in pre-series development, which will allow drivers to navigate roads at night without temporarily blinding oncoming drivers. This is made possible by a variable distribution of light: An electronic system continuously calculates the distance to any approaching vehicles to ensure that the road ahead is ideally illuminated at all times – without irritating oncoming drivers.

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