High-definition projection screen based on multiple light scattering technique

Hiromasa Suzuki; Takamitsu Okumura; Akihiro Tagaya; Eizaburo Higuchi; Yasuhiro Koike

doi:10.1117/12.526273

28 May 2004 High-definition projection screen based on multiple light scattering technique

Hiromasa Suzuki, Takamitsu Okumura, Akihiro Tagaya, Eizaburo Higuchi, Yasuhiro Koike

Proceedings Volume 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X; (2004) https://doi.org/10.1117/12.526273
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A novel rear projection screen (Blue Ocean screen, Nitto Jyushi Kogyo, Co., Ltd.) has been developed. Blue Ocean screen is a single polymer plate requiring no lens element. The projected image is formed on the screen surface by the multiple light scattering. An image light is multiply scattered and is converted into homogeneous light distribution efficiently due to the internal particles of micron order dispersed in the acrylic polymer matrix. An ambient light is reduced by the dye molecules doped in the polymer and the anti-reflective coating on the screen surface. The condition of the particles and the concentration of the dye molecules have been optimized by the ray tracing simulation program based on Mie scattering theory using a Monte Carlo method. The screen containing the particles of optimum condition exhibits the wide viewing angle, the well-controlled color balance, and the high sharpness level at the same time. The contrast level of the projected image in ambient light is improved by controlling the concentration of the dye molecules. This paper describes the optimization obtained theoretically and experimentally, and demonstrates the advantage of Blue Ocean screen.

Citation Download Citation

Hiromasa Suzuki, Takamitsu Okumura, Akihiro Tagaya, Eizaburo Higuchi, and Yasuhiro Koike "High-definition projection screen based on multiple light scattering technique", Proc. SPIE 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X, (28 May 2004); https://doi.org/10.1117/12.526273

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