Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/4235
標題: 錐形嵌入式發光二極體導光板之最佳化光學設計與模擬
Optimization of Optical Design and Simulation for the Cone-Shape Light Guide Plate with Embedded LED
作者: 高智偉
Wei, Koh Zhi
關鍵字: Backlight Module
背光模組
LED
Light Guide Plate
發光二極體
導光板
擴散點
出版社: 精密工程學系所
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摘要: 本研究已成功設計出可拼接式導光板發光單元,並利用嵌入式發光二極體及底部的錐形之特性讓導光板達到高光利用率和更薄。本研究最大的特色是底部的錐形設計,其用途為直接改變發光二極體的出光光型以達到高均齊性之特性。光學模擬軟體SPEOS針對該發光單元進行設計與模擬,使發光單元達到高均齊性與高光利用率。藉由可衍生之特性,能夠廣泛應用於各型尺寸面板背光模組與各式發光二極體的固態照明設備,同時亦能發揮其導光板薄型化之特性。 在導光板下表面採用擴散點並搭配兩片正交擺放之3M ”BEFⅡ 90/50” 增亮膜,發光區域之正視角平均輝度可達到11110(nit),且均齊度達到90.06%,且導光板之厚度約為1(mm)。
A novel type of extendable bottom lighting LED light guide plate is proposed and designed in this thesis. An extendable unit, an embedded LED and a cone bottom are used to achieve a characteristic of high utility and low thickness. The most particular part in this study is the design of the cone bottom which could directly modify the intensity profile of LED in order to obtain high uniformity. With the help of optical design and simulation tool called SPEOS, this new type emitting unit can reach high uniformity and luminance. The extendable characteristic of this thin and high performance bottom-emitting LED light guide unit could provide wide applications in the future lighting and LCD backlight module markets, at the same time conforms the conception of thin light guide plate. The final product provides 90.06% uniformity and 11110 nit luminance with the two BEFs. The thickness of light guide plate is 1 mm.
URI: http://hdl.handle.net/11455/4235
其他識別: U0005-2707200917071600
文章連結: http://www.airitilibrary.com/Publication/alDetailedMesh1?DocID=U0005-2707200917071600
Appears in Collections:精密工程研究所

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