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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 12 — Apr. 20, 2013
  • pp: 2688–2693

Design of an LED-based compound optical system for a driving beam system

Aiming Ge, Wei Wang, Zhengqing Du, Peng Qiu, Junwei Wang, Jinlin Cai, and Xiaobo Song  »View Author Affiliations


Applied Optics, Vol. 52, Issue 12, pp. 2688-2693 (2013)
http://dx.doi.org/10.1364/AO.52.002688


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Abstract

This paper proposes an LED-based compound optical system, which can be involved in the design of the driving beam system in automotive headlamps with high system efficiency and low power consumption. The compound system can meet the requirements announced in the UNECE regulation “Addendum 111: Regulation No. 112 Revision 2.” Also, it is composed of a nonspherical reflector, a compound lens, and a two-dimensional diverging lens. Using a single device of high-brightness LED of merely 7.6 W, the specified illumination requirements for the driving beam can be achieved. As we have expected, on the test screen at a distance of 25 m, the simulation results, as well as the testing results for the prototype, can reach the illuminance distribution requirements, including all specified regions and key points. Moreover, this compound system enjoys the features of high compactness, high energy efficiency, and feasibility of manufacturing.

© 2013 Optical Society of America

OCIS Codes
(220.3620) Optical design and fabrication : Lens system design
(220.2945) Optical design and fabrication : Illumination design
(220.4298) Optical design and fabrication : Nonimaging optics

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: January 3, 2013
Revised Manuscript: March 14, 2013
Manuscript Accepted: March 15, 2013
Published: April 16, 2013

Citation
Aiming Ge, Wei Wang, Zhengqing Du, Peng Qiu, Junwei Wang, Jinlin Cai, and Xiaobo Song, "Design of an LED-based compound optical system for a driving beam system," Appl. Opt. 52, 2688-2693 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-12-2688


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References

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  8. UNECE Addendum 111: Regulation No. 112 Revision 2, 20 September 2010, Amendment 1, 27 January 2011, “Uniform provisions concerning the approval of motor vehicle headlamps emitting an asymmetrical passing beam or a driving beam or both and equipped with filament lamps and/or light-emitting diode (LED) module”.

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