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Proceedings Paper

Ellipsoidal reflector design of the LED vehicle projector type headlamp
Author(s): Shang-Ping Ying; Jhen-Cyun Lyu
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Paper Abstract

In this study, the design of the projector type headlamp using LEDs with different structure parameters is proposed. The ellipsoidal reflector with different major and minor axis would contribute different aperture and focal lengths of the ellipsoidal reflector, and then collimate the light to the converging lens. With specific converging lens and metal-based baffle plate in the projector type headlamp system, we systematical analysis of the ellipsoidal reflector in the projector type headlamp. The systematical analysis of the ellipsoidal reflector can be a reference to design a projector type headlamp with compact size and high photometry performance.

Paper Details

Date Published: 7 September 2016
PDF: 8 pages
Proc. SPIE 9954, Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems, 99540P (7 September 2016); doi: 10.1117/12.2236827
Show Author Affiliations
Shang-Ping Ying, Minghsin Univ. of Science and Technology (Taiwan)
Jhen-Cyun Lyu, Minghsin Univ. of Science and Technology (Taiwan)


Published in SPIE Proceedings Vol. 9954:
Fifteenth International Conference on Solid State Lighting and LED-based Illumination Systems
Matthew H. Kane; Nikolaus Dietz; Ian T. Ferguson, Editor(s)

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