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Humidity dependence improver for polymer film, polymer film, protective film for polarizer, retardation film, polarizer, and liquid crystal display device

  • US 8,465,673 B2
  • Filed: 09/29/2010
  • Issued: 06/18/2013
  • Est. Priority Date: 09/30/2009
  • Status: Active Grant
First Claim
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1. A retardation film comprising a polymer film wherein the polymer film comprises a polymer having a hydroxyl group and a humidity dependence improver for polymer film, comprising a compound of the following formula (6), (6b) or (9):

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