Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 14, 2009
Patent Application Number
11464093
Date Filed
August 11, 2006
Patent Primary Examiner
Patent abstract
Described are tilted compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states, including a single tilted biaxial retarder or compound retarder comprising more than one biaxial film, which are effective to compensate both for nonideal polarization effects of LC panels and other optical components in optical projection systems. Also described are tilted compensators for deflecting away from a projection system optical path unwanted reflected light.
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