Design of a bike headlamp based on a power white-light-emitting diode

Yi Chien Lo; Cheng Chien Chen; Hung Yu Chou; Kai Yu Yang; Ching Cherng Sun

doi:10.1117/1.3615278

Design of a bike headlamp based on a power white-light-emitting diode

Yi Chien Lo, Cheng Chien Chen, Hung Yu Chou, Kai Yu Yang, Ching Cherng Sun

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

12 引文斯高帕斯（Scopus）

摘要

In this letter, we present a new design for a lightemitting diode- based bike headlamp. The optical design contains two horizontal reflectors and a light pipe with two horizontal parallel mirrors. The designed illumination pattern in our simulations performs a contrast of 250 in the K-mark regulation, and it was measured to be 21 in the experiment with a not well-finished prototype, which was operated at 1 W. The contrast is higher than 5 as requested in the regulation.

原文	???core.languages.en_GB???
文章編號	080503
期刊	Optical Engineering
卷	50
發行號	8
DOIs	https://doi.org/10.1117/1.3615278
出版狀態	已出版 - 8月 2011

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10.1117/1.3615278

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abstract = "In this letter, we present a new design for a lightemitting diode- based bike headlamp. The optical design contains two horizontal reflectors and a light pipe with two horizontal parallel mirrors. The designed illumination pattern in our simulations performs a contrast of 250 in the K-mark regulation, and it was measured to be 21 in the experiment with a not well-finished prototype, which was operated at 1 W. The contrast is higher than 5 as requested in the regulation.",

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author = "Lo, {Yi Chien} and Chen, {Cheng Chien} and Chou, {Hung Yu} and Yang, {Kai Yu} and Sun, {Ching Cherng}",

note = "Funding Information: The study was sponsored by the National Science Council of the Republic of China with Grant No. NSC100-3113-E-008-001.",

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AU - Lo, Yi Chien

AU - Chen, Cheng Chien

AU - Chou, Hung Yu

AU - Yang, Kai Yu

AU - Sun, Ching Cherng

N1 - Funding Information: The study was sponsored by the National Science Council of the Republic of China with Grant No. NSC100-3113-E-008-001.

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N2 - In this letter, we present a new design for a lightemitting diode- based bike headlamp. The optical design contains two horizontal reflectors and a light pipe with two horizontal parallel mirrors. The designed illumination pattern in our simulations performs a contrast of 250 in the K-mark regulation, and it was measured to be 21 in the experiment with a not well-finished prototype, which was operated at 1 W. The contrast is higher than 5 as requested in the regulation.

AB - In this letter, we present a new design for a lightemitting diode- based bike headlamp. The optical design contains two horizontal reflectors and a light pipe with two horizontal parallel mirrors. The designed illumination pattern in our simulations performs a contrast of 250 in the K-mark regulation, and it was measured to be 21 in the experiment with a not well-finished prototype, which was operated at 1 W. The contrast is higher than 5 as requested in the regulation.

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KW - Light-emitting diode

KW - Optical design

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Design of a bike headlamp based on a power white-light-emitting diode

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