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508cm shuang ji ye jing tou ying xi tong
Author(s): 
Pages: 329-332
Year: Issue:  4
Journal: Optoelectronic Technology

Keyword:  投影系统液晶板液晶投影机双机灰度等级色纯度夏普公司胶片电影失真(畸变)数字图象;
Abstract: <正> 日本夏普公司开发了亮度提高2倍的高清晰度液晶投影系统,以2台液晶投影机同时进行驱动。该系统的光束为360lm,508cm 的画面亮度为31cd/m~2,接近于35mm 胶片电影的水平,得到了清晰而又明亮的图象效果。尤其在改善亮度上效果明显,与原液晶投影图象相比,在清晰度、对比度、色纯度和灰度等级重现性方面都有所改善(表1)。
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