Etendue preserving mixing and projection optics for high brightness LEDs applied to automotive headlamps

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6342 I, Issue , 2006, Pages

  Cvetković, Aleksandra ^a   Dross, Oliver ^b   Chaves, Julio ^c   Benítez, Pablo ^a   Miñano, Juan C ^a   Mohedano, Rubén ^b  

^a UNIVERSIDAD POLITÉCNICA DE MADRID   (Spain)

^b LPI Europe   (Spain)

^c Light Prescriptions Innovators Corporate   (United States)

Author keywords

LED combiner; LED headlights; Non imaging optics; SMS Design

Indexed keywords

LED COMBINER; LED HEADLIGHTS; NON IMAGING OPTICS; SMS DESIGN;

HEADLIGHTS; IMAGING SYSTEMS; LIGHT EMITTING DIODES; OPTICAL DESIGN; OPTICAL SYSTEMS;

PROJECTION SYSTEMS;

EID: 33749853578     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.692257     Document Type: Conference Paper

References (19)

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2. Luxeon is a Lumileds high brightness LED, see www.luxeon.com
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8. For ECE specifications (i.e. Reg 112) see http://www.unece.org/trans/ main/wp29/wp29regs.html
9. P. Benítez, R. Mohedano, J.C. Miñano. "Design in 3D geometry with the Simultaneous Multiple Surface design method of Nonimaging Optics", in Nonimaging Optics: Maximum Efficiency Light Transfer V, Roland Winston, Editor, SPIE, Denver (1999).
10. P. Benítez, J.C. Miñano, et al, "Simultaneous multiple surface optical design method in three dimensions", Opt. Eng, 43(7) 1489-1502, (2004)
11. O. Dross, P. Benitez, J.C. Miñano et al, "Review of SMS Design Methods and Real World Applications", SPIE, San Diego (2004) in Nonimaging Optics and Efficient Illumination Systems, R.Winston, J. Koshel, eds., Proc. SPIE Vol.5529, p. 35-47 (2004)
12. P. Benítez, J.C. Miñano, et al, "Étendue squeezing optics: Beating the angle-space compromise of symmetrical systems", in International Nonimaging Optics Workshop 2005, San Diego
13. M. Weber, C. Stover, L. Gilbert, T. Nevitt, A. Ouderkirk "Giant Birefringent Optics in Multilayer Polymer Mirrors" Science, Vol.287, p. 2451-2455 (2000)
14. For reflector characteristics see www.3m.com
15. O.Dross, A.Cvetkovic, J.Chaves, P. Benitez, J.C. MIñano, "LED Headlight Architecture that creates a High Quality Beam Pattern independent of LED Shortcomings", in Nonimaging Optics and Efficient Illumination Systems II, R. Winston, J. Koshel, eds., Proc. SPIE Vol.5942, p. 126-135 (2005)
16. Ray-traces have been done in specialized program package LusidShape (www.lusidshape.com)
17. SMS 2D Design method: "High Efficiency Non-Imaging Optics" Patent # 6,639,733, Issued Oct. 28, 2003. Inventors: Juan C. Minano, Pablo Benitez, Juan C. Gonzalez, Waqidi Falicoff and H. John Caulfield.
18. SMS 3D Design method: "Three-Dimensional Simultaneous Multiple-Surface Method and Free-Form Illumination-Optics Designed Therefrom" (pending). Inventors: Pablo Benitez and Juan C. Minano.
19. LED combiner, XR design:"Optical manifold for light-emitting diodes" (international patent pending). Inventors: Julio Cesar Chavez, Waqidi Falicoff, Juan C. Minano, Pablo Benítez, Oliver Dross, William A. Parkyn, JR, Roberto Álvarez