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NCUEIR > College of Engineering > Department and Graduate Institute of Electronic Engineering > Proceedings > Item 987654321/10918

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10918

Title:	LED lighting module design based on a prescribed candle-power distribution for uniform illumination
Authors:	Chen, Jin-Jia;Huang, Kuang-Lung;Wang, Te-Yuan;Wang, Yi-Chih;Wang, Chuen-Ching;Guo, Tsung-Yi
Contributors:	電機工程學系
Keywords:	Freeform surface;LED;Reflector;Uniformity
Date:	2010-10
Issue Date:	2012-06-04T09:14:44Z
Publisher:	SPIE
Abstract:	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.
Relation:	SPIE/COS Photonics Asia, Beijing, China, Oct. 18-20, 2010: 7849
Appears in Collections:	[Department and Graduate Institute of Electronic Engineering] Proceedings

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