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US 7,248,406 B2Granted
Projection screen
AssigneeHewlett-Packard Development Company, L.P.
InventorsGregory J. May, William J. Allen
Life of this patent
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Abstract
A projection screen has first transparent particles tinted a first color and second transparent particles tinted a second color.
Claims13
A projection screen comprising:
- a substrate;
- a single layer of particles adhered to the substrate, wherein the single layer of particles has a thickness of one particle and comprises:
- a plurality of first transparent particles tinted a first color;
- and
- a plurality of second transparent particles tinted a second color;
- wherein the first and second transparent particles are randomly distributed.
3 more elements
Dependencies are inferred from the claim text.