Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas P. Hansen0
Raymond T. Perkins0
Cheng-Yuan Cheng0
Eric W. Gardner0
Date of Patent
August 4, 2009
0Patent Application Number
110059270
Date Filed
December 6, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelength of the light. One of the layers can include a thin film layer with a refractive index greater than a refractive index of the substrate. One of the thin film layers can include a dielectric array of non-metal elements.
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