High-performance LED street lighting using microlens arrays

Xuan Hao Lee, Ivan Moreno, Ching Cherng Sun

研究成果: 雜誌貢獻期刊論文同行評審

140 引文 斯高帕斯(Scopus)

摘要

An efficient LED lamp that illuminates the street with high quality is presented. The luminaire shows high optical efficiency, high optical utilization factor, low glare, and illuminates the street with high uniformity. The concept is simple but effective: a cluster of LEDs with TIR lenses are put inside a reflective box, which is covered with a microlens sheet; the reflective cavity improves efficiency by light recycling; each TIR lens collimates the LED light for the microlens array; and the microlens sheet uniformly distributes light only into the street. We verify its feasibility by Monte Carlo ray-tracing for the main types of road lighting arrangements: central, zigzag, and single-side pole positions.

原文???core.languages.en_GB???
頁(從 - 到)10612-10621
頁數10
期刊Optics Express
21
發行號9
DOIs
出版狀態已出版 - 6 5月 2013

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