近年來，環保意識抬頭，綠能產業在全世界越來越被重視，在建築業的應用方面，各國產業與學界先進為了健康照明及節約能源，設計出能夠將太陽光導入室內做為照明用的技術，稱為自然光照明系統(NLIS)。在本文中提到一種新的設計應用於自然光照明系統中，不僅能保持原有的集光效果作為室內照明，另一方面也能擁有簡單的成像效果作為情境照明，提供一種新的功能與應用。本結構將NLIS導光磚結構改良，並加上中空稜鏡導光管，使用光機模擬軟體FRED,在投射在導光磚上的圖形能在導光管出口呈現出來但局限於在導光管反彈偶數次數。其中導光管長度與寬度比值為淺在因子。在長度與寬度比值為5倍時，在正打於導光磚上的光線能量，而在導光管內光線每反彈一次，約損耗8%總能量。

In recent years, green energy has undergone a lot of developments and has been discussed in many studies. Many research studies have focused on illumination with sunlight as a mean of saving energy and creating healthy lighting. The system to gather natural light for indoor lightning, called the Natural Light Illumination System (NLIS), has been serving this purpose. Furthermore, an innovative structure, which has its original function to collect nature light, is introduced by PSSDL(Photonics System Simulation Design Laboratory) Moreover, a simple projection of image is provided so that it can be used in mood lighting. The light brick structure, combining with a special light pipe, can guide the projection of image presented in the output. If the aspect ratio is 5 of the light pipe, the average efficiency decay 8% every times when ray incident in the light pipe.

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