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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 9, Iss. 12 — Dec. 1, 2013
  • pp: 995–1000

Design and Optimization of 2D Laser Source Module for Compact Projector

Qingshan Kong, Youwan Tong, Hui Dong, Qing Fang, Yan Zhou, and Yuliang Liu

Journal of Display Technology, Vol. 9, Issue 12, pp. 995-1000 (2013)


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Abstract

In order to make projector compact and efficient, we propose that the 2D laser source module is consisted of VCSEL array and micro-lens array. It describes packaging structure design of VCSEL array and thermal resistance calculation. A thermal 3D analysis of 3 $\times$ 3 array based on the finite-element method (FEM) is presented. The analysis shows that the maximum internal temperature of a VCSEL array reaches 51 $^{\circ}{{C}}$ . Then, it describes the principle of the micro-lens array. By ZEMAX simulation, in the micro-lens array illumination system, we have got the energy efficiency 67.3%, the light uniformity is 95.5%, respectively, on the micro-display chip at the distance of 65 mm. We have successfully built the complete 3-LCOS projection system based on the 2D source module. It can provide 1362 lm D65 light, and its total volume is ${{260}}\times {{200}}\times {{160}}\ {{mm}}^{3}$ which is more compact than the commercial projector.

© 2013 IEEE

Citation
Qingshan Kong, Youwan Tong, Hui Dong, Qing Fang, Yan Zhou, and Yuliang Liu, "Design and Optimization of 2D Laser Source Module for Compact Projector," J. Display Technol. 9, 995-1000 (2013)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-9-12-995

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