Monte Carlo Simulation of Optical Properties of Phosphor-Screened Ultraviolet Light in a White Light-Emitting Device
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概要
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In this paper, we study the optical properties of phosphor-screened ultraviolet light emitted by a quantum well through a chamber. The chamber contains randomly distributed red, blue and green phosphors, and is top-covered with a layer of omnidirectional photonic bandgap material. A Monte Carlo ray tracing method is developed to model the absorption, reflection and transmission for the excited radiation of the ultraviolet light as well as the visible light by the individual phosphor particles. The efficiency of emitting white light by synthesizing the visible light through the top substrate is investigated with respect to the weight ratio, the size of phosphor particles, the dimension of the chamber and the reflectivity of the side wall and the bottom substrate.
- 2005-08-15
著者
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Chern Ruey-lin
Institute Of Physics Academia Sinica
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Chu Chin-chou
Institute Of Applied Mechanics College Of Engineering National Taiwan University
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Chi Jim
Opto-electronics & Systems Laboratories Industrial Technology Research Institute
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Chang Chien
Institute Of Applied Mechanics College Of Engineering National Taiwan University
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Chang C.
Institute Of Applied Mechanics National Taiwan University
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Chi Jim
Opto-Electronics and Systems Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, Republic of China
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Su Jung-Chieh
Opto-Electronics and Systems Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, Republic of China
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Chan I-Min
Opto-Electronics and Systems Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, Republic of China
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Wang Jih-Fu
Opto-Electronics and Systems Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan, Republic of China
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Chern Ruey-Lin
Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan, Republic of China
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Chang C.
Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan, Republic of China
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