Back to results
US 6,636,363 B2Granted
Bulk complex polymer lens light diffuser
AssigneeEastman Kodak Company
InventorsCheryl J. Kaminsky, Robert P. Bourdelais
Life of this patent
Estimating the term…
Abstract
Disclosed is a diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a pattern of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
Claims43
A diffusion film comprising a transparent polymeric film base bearing a plurality of integral contiguous layers, each layer having a plurality of complex lenses on a surface thereof, at least two such contiguous layers comprising material having an index of refraction differing by at least 0.1.
Dependencies are inferred from the claim text.