US Patent 7345818 Screen, its manufacturing method and image display system
Patent 7345818 was granted and assigned to Sony on March, 2008 by the United States Patent and Trademark Office.
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A projection screen comprises a red-reflecting particle layer, green-reflecting particle layer and blue-reflecting particle layer sequentially stacked on a substrate. In each particle layer, particles are accumulated by eleven cycles in a regularly alignment such as close packed structure. Diameter of red reflecting particles is approximately 280 nm, diameter of green-reflecting particles is approximately 235 nm, and diameter of blue-reflecting particles is approximately 212 nm. Each particles layer is accumulated by self-organized technique. The substrate used here can absorb light of wavelengths other than those of red, green and blue three primary colors.
US Patent 07345818 Screen, its manufacturing method and image display system US Patent 7345818 Screen, its manufacturing method and image display system
US Patent 07345818 Screen, its manufacturing method and image display system
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