Share Email Print
cover

Proceedings Paper

New LED illumination optical engine for micro-projection display
Author(s): Chunhai Feng; Zhong Meng; Wenjun Sun
Format Member Price Non-Member Price
PDF $14.40 $18.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

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.

Paper Details

Date Published: 22 October 2010
PDF: 6 pages
Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76583Y (22 October 2010); doi: 10.1117/12.865814
Show Author Affiliations
Chunhai Feng, Harbin Normal Univ. (China)
Zhong Meng, Changchun Institute of Optics, Fine Mechanics and Physics (China)
Wenjun Sun, Harbin Normal Univ. (China)


Published in SPIE Proceedings Vol. 7658:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
Yadong Jiang; Bernard Kippelen; Junsheng Yu, Editor(s)

© SPIE. Terms of Use
Back to Top