Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 19, 2011
Patent Application Number
11884754
Date Filed
February 22, 2006
Patent Primary Examiner
Patent abstract
An optical compensation sheet, which contains a cellulose acylate film that contains 1 to 20 parts by mass of a retardation controlling agent, to 100 parts by mass of a cellulose acylate, wherein the retardation controlling agent comprises at least two compounds different in Re/Rth ratios each other; and a liquid crystal display device, which contains the optical compensation sheet.
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