Bayer MaterialScience Cooperated with Audi and Hella to Developed Polycarbonate-LED Automotive Lighting

Bayer MaterialScience has developed customized polycarbonates in initial series application, such as the automotive industry include LED lenses for low-beam and full-beam headlights and fiber optics for daytime running lights in the front headlamps of the new Audi A8.

The components were developed in collaboration with Audi AG and Hella KGaA Hueck & Co.

The ten plastic lenses used in the headlamp are made from Makrolon LED 2245, which boasts high transmission for long light paths, high thermal resistance and excellent yellowing stability to LED light.

An expert in optical polycarbonate applications at Bayer MaterialScience, Dr. Martin Döbler explained,"Our material meets the high optical requirements for exposed headlamp parts and is within the narrow color tolerance range. It also enables enhanced design freedom and a considerable weight reduction. LED lenses are around 50 percent lighter than their glass counterparts."

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