A high-performance 5-in. polycrystal phosphor screen

Gang Yang; Jianbo Cheng; Wenbin Chen; Qionghua Wang; Quan Jiang; Haibo Rao; Chunjing Zhao; Qijun Ran

doi:10.1117/12.525005

28 May 2004 A high-performance 5-in. polycrystal phosphor screen

Gang Yang, Jianbo Cheng, Wenbin Chen, Qionghua Wang, Quan Jiang, Haibo Rao, Chunjing Zhao, Qijun Ran

Proceedings Volume 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X; (2004) https://doi.org/10.1117/12.525005
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

We have ever reported a phosphor screen, which is a 5-in. poly-crystal MgAl₂O₄ phosphor screen. The 5-in. poly-crystal MgAl₂O₄ phosphor screen has a very good performance, such as high luminance, high resolution, cheap cost and easily obtained. Recently we develop a high performance 5-in. poly-crystal phosphor screen. We deposit a multi-layer interface filter on the poly-crystal MgAl₂O₄substrate. The filter is a multi-layer alternate high and low index of refraction film which was fabricated by depositing high index of refraction of titanium oxide and low index of refraction of silicon oxide. The measurement results show that the filter not only increases the MgAl₂O₄ phosphor screen’s white-D luminance, but also improves its chromaticity. The 5-in.R.G. B poly-crystal phosphor screens with the filter have 60% more luminance than those of common R.G. B poly-crystal phosphor screens, and the area of their chromaticity is almost 10% larger than that of common poly-crystal phosphor screen. The 5-in.R.G. B poly-crystal phosphor screens with the filter realize the authentic high performance.

Citation Download Citation

Gang Yang, Jianbo Cheng, Wenbin Chen, Qionghua Wang, Quan Jiang, Haibo Rao, Chunjing Zhao, and Qijun Ran "A high-performance 5-in. polycrystal phosphor screen", Proc. SPIE 5289, Liquid Crystal Materials, Devices, and Applications X and Projection Displays X, (28 May 2004); https://doi.org/10.1117/12.525005

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KEYWORDS

CRTs

Optical filters

Refraction

Interfaces

YAG lasers

Oxides

Silicon

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