Abstract
The projection display system using TFT-LCD technology will be the wave of the future for large screen displays. It has the advantages of compact in design, large display area, high quality of output image and lower cost. In such a projector, it is the combination of both the electronic and the optical technology. It should be emphesized that the optical system is one of the most important parts for determining the quality of output image, such as brighness, comtrast ratio, colour fidelity and illumination uniformity.
© 1998 Optical Society of America
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