Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 25, 2017
Patent Application Number
14937488
Date Filed
November 10, 2015
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention includes a selectively-absorptive wire grid polarizer (WGP) comprising an array of parallel, elongated rods located over a surface of a transparent substrate with gaps between adjacent rods. Each of the rods can include a reflective wire and two absorptive ribs. The reflective wire can be sandwiched between the two absorptive ribs and the substrate or the two absorptive ribs can be sandwiched between the reflective wire and the substrate. Each of the two absorptive ribs can comprise a different material. Use of multiple absorptive ribs within each rod can increase the effective useful bandwidth of light for selectively absorbing one polarization.
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