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HID Driven Focus-less Optics System for Complete Automotive Distributed Lighting Systems
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English
Abstract
Presented in this paper is a description of an automobile that is partially retrofitted with a hybrid HID/fiber focus-less optic system. Tail lights are constructed that provide stops, turns, CHMSL, and backups. Lenses are used to meet the most demanding beam patterns. Focus-less optics (FLO) are used with waveguides to collect the rest of the light off the HID and to distribute to the rest of the car. Preliminary measurements indicate that the tail light beam patterns are legal according to SAE and DOT specifications. Different features discussed include electro mechanical modulators (EMM), liquid crystal device modulators (LCD).
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Citation
Hulse, G., Eskridge, J., and Mullican, T., "HID Driven Focus-less Optics System for Complete Automotive Distributed Lighting Systems," SAE Technical Paper 980877, 1998, https://doi.org/10.4271/980877.Also In
References
- Hulse George R. Lane Mark D. Woodward Ronald O. SAE Technical Paper Series ‘Three Specific Design Issues Associated with Automotive Distributed Lighting Systems: Size, Efficiency, and Reliability’ 960492 February 26-29 1996
- Hulse George R. SAE Technical Paper Series ‘Focus-less Optics and their use in Automotive Distributed Lighting Systems’ 970252 February 24-27 1997
- Cassarly Bill Davenport John SAE Technical Paper Series ‘Comparison of Dual Focus Collector Schemes for High Intensity Discharge Sources’ February 24-27 1997
- Personal communications with Philips Lighting and Osram Sylvania
- SAE J588
- SAE J588
- SAE J186
- SAE J593