| Summary: | 碩士 === 國立虎尾科技大學 === 機械與機電工程研究所在職專班 === 100 === Most LED available currently are either round or square in the market, there are hardly made in oval shape. This study attempted to apply experimental methods to arrange the oval LED chip arrays, and to adjust the spacing between chips by optical simulation software ”LightTools”, as well as to simulate the illumination and uniformity. After the collection of data, “Design-Expert” was used to proceed the statistical analysis and to identify the significant variable factors. Then, “Design-Expert” was again adopted to perform the analysis of variances and to deduce the best combination of reaction equations and variable factors with the software. Finally, the combination of variable factors suggested by software was used to establish a new model that would be proceeded the ray tracing by “LightTools” again. The differences between validate data and the optimized values were observed and compared, so that they could be used as the design reference of the spacing between oval LED chips.
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