Application of Linearly Polarized Light in Automobile Lighting System

Abstract:

When driving at night, the driver may be troubled by the intense light shined by the vehicles coming from the opposite direction. The automobile lighting system and the windshield with polarizers have been designed to solve this problem in this paper, thus replacing the traditional non-polarized illuminating light with linearly polarized light. The experiment reveals that, for a wide range of tilt angles of the windshield, the intensity of light emitted by other automobiles that a driver can receive will be reduced by 40%--64%, while the driving visibility is little affected. Therefore, it can be concluded that the new system can effectively increase the safety factor of night driving.

• Periodical: Advanced Materials Research (Volumes 912-914)
• Pages: 948-951
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.912-914.948
• Online since: April 2014
• Authors: Xiao Jun Fu*, Di Cheng
• Keywords: Glan-Thompson Prism, Half Wave Plate, Intensity of Light, Linearly Polarized Light, Night Driving, Tilt Degree, Vehicles

References

[1] G. Lindae, E. Zehender, Automobile Headlights with Polarized Light, ATZ Automobil Technische Zeitschrift, v 76, n 5, May 1974, pp.149-154.

[2] S. Berlitz, C. Heider, LEDs in automotive lighting and signaling, a customer point of view , Proceedings of SPIE - The International Society for Optical Engineering, v 6797, (2007).

DOI: 10.1117/12.765539

[3] D. Gacio, J. Cardesin, E.L. Corominas, J.M. Alonso, M. Dalla-Costa, A.J. Calleja, Comparison among power LEDs for automotive lighting applications, IEEE Industry Applications Society Annual Meeting(2008).

DOI: 10.1109/08ias.2008.259