Optical design of a street lamp based on dual-module chip-on-board LED arrays.

Appl Opt 2014 Sep;53(25):5750-4

We design and propose a compact street lamp based on dual-module chip-on-board LED. The street lamp is composed of six faceted reflectors. It can direct the luminous flux and form uniform illumination on the target area, and it effectively reduces power consumption. We have conducted both simulations and prototype measurements. The test results show good optical performance in that the uniformity of luminance reaches 0.58 for LED lamp zigzag arrangements and 0.60 for LED lamp double-side arrangements. The average luminance can fulfill the requirements in Chinese road lighting Standard CJJ45-2006.

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http://dx.doi.org/10.1364/AO.53.005750DOI Listing
September 2014
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