The Compact Systems Design Based on DMD and the Straight Line 2-Channel LED for a Mobile Embedded Pico Projector
Journal of Display Technology, Vol. 8, Issue 4, pp. 219-224 (2012)
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Abstract
We have successfully designed the most compact mobile embedded pico projector system, with an optical module size of up to 2.1 cc (20.6 × 16.4 × 6.2mm), compared with the liquid crystal on silicon (LCoS) based projector system, which has an engine size of <10 cc. The most compact pico projector system, with a reduction in size of about 25%, can be obtained. It consists of a projected optical system based on field lens type with 0.2 nHD (640 × 360) digital micromirror device (DMD) panel and an illumination part of the 2 channel type with 2 in1 LED source. It can be obtained the available display image size about 5–60 inches with uniformity over 70%, brightness 8 lm at LED power consumption 1 W and contrast ratio 1700:1 in the dark room.
© 2012 IEEE
Citation
Sung Chul Shin, Yunsuk Jung, Tae-Jeong Ahn, Sang Sik Jeong, Seung-Gyu Lee, and Kwang-Yeol Choi, "The Compact Systems Design Based on DMD and the Straight Line 2-Channel LED for a
Mobile Embedded Pico Projector," J. Display Technol. 8, 219-224 (2012)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-8-4-219
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