在本論文中，利用模擬軟體設計發光二極體燈具模組，包含其反射燈杯、光學元件以及散熱模組。此設計之成品為一圓形燈盤，周圍由四顆發光二極體環狀排列組成，加上燈盤中心的一顆發光二極體共五顆。在反射燈杯的設計部份，比較半球型以及圓錐形反射燈杯的集光效果，並且對其參數作最佳化的調整，由模擬結果發現，半球型反射燈杯在距離兩公尺、面積一平方公尺的工作面上，就算經過參數調整，僅能達到189.7Lux的平均照度，無法符合照明規範，但是若以圓錐形反射燈杯，並且經過最佳化的參數調整，發現在圓錐斜角65度，高度1.75公分可以達到427.37Lux的平均照度。在光學元件的設計部份，目的在提高工作面上的光均勻度，利用不同球面透鏡的組合，順利的將在未加透鏡前的光均勻度(最小照度/平均照度)34.73%提升至79.77%，照度也可以維持在照明規範以上的321.56Lux。在散熱模組的設計部份，本論文中提供一新型散熱模組，利用銅材質當作熱導管，並且冷熱配的組裝方式，不需要任何螺絲就可以緊密的將銅導管與鋁鰭片接合，在熱流軟體的模擬中設定一穩定熱源，當達到穩態平衡時，此新型模組的最高溫與最低溫相差約4.15度，若全部以鋁材質的話，高低溫差可以達到6.18度，證實此新型結構確實的加速了熱的傳導。

In this thesis, we focus on the LED designs. The issues include reflectors, optical components and heat sink. Therefore, the topics would be mostly concentrated on optimizing the reflectors, improving the heat sink and optical lenses by using softwares to simulate the physical characterisitics. The prototype product is a lamp set with a round lampstand and five LED lamps upon it. There are four LED lamps to form a ring on the lampstand, and another lamp is just built in the center of the ring on the lampstand. In reflector design, comparing the light concentration effect between conical and hemispheric reflectors, and adjusting the parameter for optimization. According to the simulation results, the mean optimum illumination is only 189.7 Lux on work plane which is 2 meter away from the LED disk module with of 1 square meter in size. The quality, however, is still not qualified for the lighting standard. If substituting conical reflectors for hemispheric ones, the illumination gets up to 427.37 Lux at 65 degree bevel angle and 1.75cm in height. In optical component design, the purpose is to increase the uniformity on work plane and combine the spherical lens in different focal lengths. Although we raise the uniformity from 34.73% to 79.77% but they still have 321.56 Lux which is above the lighting standard. In heat sink design, there is a new heat sink module using a heat pipe in copper, and no need of any screw for assembling. According to the result of heat simulation, the temperature difference is 4.15 degree after reaching its steady-state. On the other hand, if all materials of the heat sink module made by aluminum, the temperature difference is 6.18 degree in its steady-state. It proved that the copper heat pipe may assist to the spread the heating more uniform.

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