Design and modeling of optical engine for LC rear projection display / /ty] j
Weng Zhi-Cheng, Zhang Zeng-Bao Woo2hg-ti
The State Key Lab. of Applied Optics, ChangChun Institute of optics, fine mechanics and physics, }M9R5!=q
Chinese Academy of Sciences, P.O.Box: 1024 ChangChun P.R. china (130022) BPFd'- O)
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ABSTRACT iGCA>5UE
Based on analyzing the LC rear projective TV system, The OE (optical engine) for three penal LCoS rear projection TV Ib$* w)4 :
system has been designed and modeled, The OE (optical engine) of LC rear projection display is the main component of {u/G!{N$
the system, and it directly affects final performance, so the design of good color performance, high brightness and >O7ITy
contrast and high optical efficient is the key of the system. From a commercial viewpoint, a compact size and light YJio R4+q
weight design makes it more competitive. LightTools software has a great many of powerful functions, such as *)PCPYB^
modeling of optical system, analysis of illumination, modeling of machine structure, analysis of polarization and design A..,.
of optical coating. We have used LightTools to analyses and optimize a whole optical engine of three penal LCoS pH#*: v!)
projection display including illumination system, dividing and recombining of colors system, projection lens. At the end +@:$7m(V
evaluated the performances of optical engine (parameters of output, uniformity, contract, resolution and so on). 7.-g=Rcz
Keywords: optical engine, illumination system, projection display, LCoS
