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A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material. ...
http://www.google.ca/patents/US5828488?utm_source=gb-gplus-share
Patent US5828488 - Reflective polarizer display
Reflective polarizer display
Andrew J. Ouderkirk et al
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Abstract
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Description
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Patent number
: 5828488
Filing date
: 10 Mar 1995
Issue date
: 27 Oct 1998
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