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US 7,453,632 B2Granted
Projection screen coating
OwnerPeter Beaty, Roland Maurice Boughtoninventors
Life of this patent
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Abstract
A projection screen for displaying an image projected as a combination of primary colors, the projection screen comprising a coating applied to a substrate. The coating contains one or more pigments whose colors correspond to the primary colors.
Claims20
A projection screen for displaying an image projected as a combination of primary colors, said projection screen including a coating for displaying said projected image and a substrate for receiving said coating, said coating comprising:
- one or more primary pigments, each said primary pigment corresponding to one of said primary colors;
- one or more reflective pigments;
- and
- a transparent medium;
- wherein said substrate is a clear material having opposite first and second surfaces, said coating located on said first surface and said second surface being a mirrored surface.
2 more elements
Dependencies are inferred from the claim text.