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題名: | Computer Modeling of a Fiber-and-Light-Emitting-Diode-Based Vehicle Headlamp |
作者: | Chen, Jin-Jia;Huang, Kuang-Lung;Lin, Po-Chun |
貢獻者: | 電機工程學系 |
關鍵詞: | Fiber;LED;Projecting lamp;Vehicle headlamp |
日期: | 2010-07
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上傳時間: | 2012-06-04T08:35:30Z
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出版者: | SPIE |
摘要: | 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. |
關聯: | Optical Engineering, 49(7): 073002 |
顯示於類別: | [電機工程學系] 期刊論文
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