Design and modeling of optical engine for LC rear projection display D0*+7n3
Weng Zhi-Cheng, Zhang Zeng-Bao & j!q9F
The State Key Lab. of Applied Optics, ChangChun Institute of optics, fine mechanics and physics, 5}|bDJ$% _
Chinese Academy of Sciences, P.O.Box: 1024 ChangChun P.R. china (130022)
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ABSTRACT 8o\KF(I
Based on analyzing the LC rear projective TV system, The OE (optical engine) for three penal LCoS rear projection TV I/k/5
system has been designed and modeled, The OE (optical engine) of LC rear projection display is the main component of 2=`}:&0l
the system, and it directly affects final performance, so the design of good color performance, high brightness and mXJ`t5v^l
contrast and high optical efficient is the key of the system. From a commercial viewpoint, a compact size and light mBON>Z [4.
weight design makes it more competitive. LightTools software has a great many of powerful functions, such as %j.
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modeling of optical system, analysis of illumination, modeling of machine structure, analysis of polarization and design C)(/NGf
of optical coating. We have used LightTools to analyses and optimize a whole optical engine of three penal LCoS nPg,(8 Tt
projection display including illumination system, dividing and recombining of colors system, projection lens. At the end g=Bge)
evaluated the performances of optical engine (parameters of output, uniformity, contract, resolution and so on). Rwe!xY^d8
Keywords: optical engine, illumination system, projection display, LCoS
