Design and modeling of optical engine for LC rear projection display + L`V[;
Weng Zhi-Cheng, Zhang Zeng-Bao 3gxf~$)?
The State Key Lab. of Applied Optics, ChangChun Institute of optics, fine mechanics and physics, B]'e$uyL7
Chinese Academy of Sciences, P.O.Box: 1024 ChangChun P.R. china (130022) M,b<B_$
E0sbU<11
ABSTRACT K%Usjezv&
Based on analyzing the LC rear projective TV system, The OE (optical engine) for three penal LCoS rear projection TV httls>:xB|
system has been designed and modeled, The OE (optical engine) of LC rear projection display is the main component of ]h #WkcXQ
the system, and it directly affects final performance, so the design of good color performance, high brightness and o x(*
contrast and high optical efficient is the key of the system. From a commercial viewpoint, a compact size and light pu\b`3C(
weight design makes it more competitive. LightTools software has a great many of powerful functions, such as $s e !8s"
modeling of optical system, analysis of illumination, modeling of machine structure, analysis of polarization and design 3mpP| b"
of optical coating. We have used LightTools to analyses and optimize a whole optical engine of three penal LCoS ?,WUJH?^
projection display including illumination system, dividing and recombining of colors system, projection lens. At the end N+*(Y5TU
evaluated the performances of optical engine (parameters of output, uniformity, contract, resolution and so on). Z 7`5x
Keywords: optical engine, illumination system, projection display, LCoS
