Research of Low-distortion Ultra-short Optics for See-through Projection Systems

• Main Authors: Su, Zih Ying, 蘇姿穎
• Other Authors: Tsao, Che-Chih
• Format: Others
• Language: zh-TW
• Published: 2016
• Online Access: http://ndltd.ncl.edu.tw/handle/87277434532206329583

碩士 === 國立清華大學 === 動力機械工程學系 === 104 === This research is designing a low-distortion ultra-short focus lens for see-through projection systems. The market of see-through projection system is public display, it always used for the advertisement. It can see displayed image and something back of the screen at the same time. In terms of rear projection, there are many compact projectors. In different luminance or projective distance or the size of the projection, you can understand that the lower size of the projector, the lower output luminance of the projector. It has been the product of ultra-short focus projector by the see-through projection screen, but it too large to put in car. So I started the motivation of this research, hope to combine the LED on silicon source and see-through projection together. In order to increasing the rate of utilization in the rear window of the car, it’s better to downsize low-distortion ultra-short focus projector. The content of this research has three parts, including of designing a low-distortion ultra-short focus lens, defining efficiency using the projection and analysis tolerance of the maximum error range. Overall considerations, there are three important factors, one is the projection distance, another is low distortion, the other is the efficiency of the systems.