Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Brian William Holmes0
Kenneth John Drinkwater0
Date of Patent
July 31, 2007
Patent Application Number
10415903
Date Filed
December 14, 2001
Patent Primary Examiner
Patent abstract
A diffuse reflector comprises a substrate (20) having an asymmetric, reflective, periodic surface relief microstructure formed such that, under illumination by a multiplicity of wavelengths in a plane of incidence or illumination lying along the axis of asymmetry, substantially all the said wavelengths are preferentially scattered or guided into a single, common viewing zone offset from the direction of specular reflection hereinebefore defined.
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