Audi LED Lighting Technology - Xenon Plus-Headlights

Whether xenon plus or LED – the headlights and taillights in Audi models make a strong statement. The brand’s lighting technologies combine their attractive effects with a high level of active safety – with adaptive light, today’s headlights already react to the environment and to other vehicles in traffic.

Xenon plus headlights are offered in all models of the Audi lineup, either as optional or standard equipment. Xenon headlights are gas discharge lamps. Two tungsten electrodes are fused in a quartz glass cylinder, known as the burner, and a concentrated light arc burns between. The xenon inert gas charge in the burner, which is pressurized up to 100 bar, gives off a slightly violet light, while metallic salts in the glass cylinder charge reduce its color temperature to the spectrum of daylight.

Xenon headlights provide a much brighter light and better illumination than halogen headlights with incandescent bulbs, their energy consumption is about 20 percent lower and they have much longer life. In xenon plus technology from Audi, a single burner generates both the low and high beam lights, and they are switched by a moveable shutter. Of course, all xenon headlights are mercury-free.

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