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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 3, Iss. 3 — Sep. 1, 2007
  • pp: 295–303

LED-Based Projection Systems

Xing-Jie Yu, Y. L. Ho, L. Tan, Ho-Chi Huang, and Hoi-Sing Kwok

Journal of Display Technology, Vol. 3, Issue 3, pp. 295-303 (2007)


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Abstract

A novel design methodology for LED-array-based projection displays has been developed. By combining etendue limitation, system intensity, and efficiency requirements, a novel parameter space is proposed. Using this parameter space, LED lens-array and compound parabolic concentrator (CPC)-array illumination systems have been designed. A 1000-lm LED light source is built. Based on these lens-array and CPC-array illuminators, several LED-based liquid crystal on silicon (LCOS) projection systems are suggested. Among them, a one-panel LCOS projection system is proposed and tested. The method discussed here should be useful in the design of LED-array illumination systems for projectors in general.

© 2007 IEEE

Citation
Xing-Jie Yu, Y. L. Ho, L. Tan, Ho-Chi Huang, and Hoi-Sing Kwok, "LED-Based Projection Systems," J. Display Technol. 3, 295-303 (2007)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-3-3-295

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