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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2010 [1]
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发表日期:2010
专题:长春光学精密机械与物理研究所
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New LED illumination optical engine for micro-projection display (EI CONFERENCE)
会议论文
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, April 26, 2010 - April 29, 2010, Dalian, China
Feng C.
;
Meng Z.
;
Sun W.
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提交时间:2013/03/25
A new optical engine consisting of LEDs
rectangular CPC
rectangular lens array and micro display chip DMD is designed by using of KOLA illumination algorithm for micro-projection display. Detail description and analysis of the rectangular CPC and rectangular lens array are provided. The influence due to the size of rectangular CPC and rectangular lens array is analysed for illuminance uniformity on the DMD chip and light energy efficiency of the optical engine system by software ZEMAX. Based on the analysis of parameter of rectangular lens array
the size of rectangular lens array more decrease the illumination uniformity. Experimental results show that the proposed illumination light optical engine can obtain perfect rectangular focula with higher light uniformity more than 90 % and higher energy efficiency of 40 % to meet the needs of micro-projection display
at the same time the designed illumination optical engine compared with other uniformizing light algorithm have advantages such as: lesser capacity
high illumination uniformity. 2010 Copyright SPIE - The International Society for Optical Engineering.
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