| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a screen for projectors which reduces standing-out of black in an image caused by external light. <P>SOLUTION: The screen has a high reflection factor for visible lights of specific wavelength bands (420, 520, and 620nm) corresponding to three primary colors (R, G, and B) and has a low reflection factor for visible light of the other wavelength bands. <P>COPYRIGHT: (C)2004,JPO |
