National Changhua University of Education Institutional Repository : Item 987654321/10918
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题名: LED lighting module design based on a prescribed candle-power distribution for uniform illumination
作者: Chen, Jin-Jia;Huang, Kuang-Lung;Wang, Te-Yuan;Wang, Yi-Chih;Wang, Chuen-Ching;Guo, Tsung-Yi
贡献者: 電機工程學系
关键词: Freeform surface;LED;Reflector;Uniformity
日期: 2010-10
上传时间: 2012-06-04T09:14:44Z
出版者: SPIE
摘要: A simple approach is presented to design an LED lighting module to provide a uniform illumination. The reflector of the module is designed using a prescribed candle-power distribution to achieve a uniform illumination on a target surface. Both the design methodology and the construction of the reflector are stated in detail. The optical efficiency and uniformity of the module are calculated according to a ray-tracing result. In addition, the effects of the reflector's aperture and the LED chip size on the optical efficiency and uniformity are also investigated that the result can provide a reference to LED-luminaire designers and manufacturers.
關聯: SPIE/COS Photonics Asia, Beijing, China, Oct. 18-20, 2010: 7849
显示于类别:[電機工程學系] 會議論文

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