Computer modeling of a fiber-and-light-emitting-diode-based vehicle headlamp

Jin Jia Chen; Kuang Lung Huang; Po Chun Lin

doi:10.1117/1.3461984

Computer modeling of a fiber-and-light-emitting-diode-based vehicle headlamp

Jin Jia Chen, Kuang Lung Huang, Po Chun Lin

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

Abstract

A fiber-and-LED-based vehicle headlamp is presented in which light rays emitted from multiple high-power LEDs are gathered using a light collector and then guided into a projector lamp via an optical fiber. This proposed headlamp is intended to reduce the lamp size and the heat-dissipation problem simultaneously. Detailed geometric analysis of the headlamp is given, and the optical efficiency for each component part is also calculated using a TracePro program. The computer simulation results show that the headlamp can produce a legal Economic Commission for Europe low-beam pattern with a total optical efficiency up to 49.4%, and only eight 5-W LEDs (120 lm each) are required.

Original language	English
Article number	073002
Journal	Optical Engineering
Volume	49
Issue number	7
DOIs	https://doi.org/10.1117/1.3461984
Publication status	Published - 2010 Jul 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering(all)

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abstract = "A fiber-and-LED-based vehicle headlamp is presented in which light rays emitted from multiple high-power LEDs are gathered using a light collector and then guided into a projector lamp via an optical fiber. This proposed headlamp is intended to reduce the lamp size and the heat-dissipation problem simultaneously. Detailed geometric analysis of the headlamp is given, and the optical efficiency for each component part is also calculated using a TracePro program. The computer simulation results show that the headlamp can produce a legal Economic Commission for Europe low-beam pattern with a total optical efficiency up to 49.4%, and only eight 5-W LEDs (120 lm each) are required.",

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