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http://dx.doi.org/10.3807/KJOP.2020.31.4.183

Study on the Design of Asymmetric Lighting with Uniform Illumination Over a Large Area at Short Distance  

Kang, Dong-Hwa (Department of Nano-optical Engineering, Korea Polytechnic University)
Jung, Mee-Suk (Department of Nano-optical Engineering, Korea Polytechnic University)
Publication Information
Korean Journal of Optics and Photonics / v.31, no.4, 2020 , pp. 183-190 More about this Journal
Abstract
In this paper, the illuminating optics of asymmetric light distribution was studied, which allowed the light distribution to be uniform even for short-range irradiation on a wide illumination area. In the case of a light installed at a short distance, the light is not diffused enough because of the short irradiation distance. For this reason, it is difficult to satisfy uniformity of illumination. In addition, lighting design for asymmetric distribution is required because the lighting device is installed tilted, for visibility. Therefore, the design of lighting systems with asymmetric light distribution could achieve uniform illumination of the target surface even under short-distance irradiation. This was then applied to the license lamp, a lighting system featuring short light irradiation distance, to confirm that it satisfies the legal standards.
Keywords
Short-range illumination; Illumination uniformity; Asymmetric lighting;
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