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Polarizing plate including hard coating film

  • US 9,529,122 B2
  • Filed: 07/29/2013
  • Issued: 12/27/2016
  • Est. Priority Date: 09/03/2012
  • Status: Active Grant
First Claim
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1. A polarizing plate, comprising:

  • a polarizer; and

    a hard coating film formed on at least one side of the polarizer, the hard coating film comprising a supporting substrate and a hard coating layer formed on at least one side of the supporting substrate, the hard coating layer comprising a photocurable crosslinking copolymer of a tri- to hexa-functional acrylate monomer and a photocurable elastic polymer and inorganic particles dispersed in the photocurable crosslinking copolymer,wherein the photocurable elastic polymer comprises at least one selected from the group consisting of polycaprolactone, a urethane acrylate polymer and polyrotaxane,wherein the polyrotaxane comprises a cyclic moiety (macrocycle) in which lactone compounds with a (meth)acrylate moiety conjugated to the end thereof are bonded each other;

    a thread moiety held within the macrocycle; and

    stoppers provided at both ends of the thread moiety so as to prevent dissociation of the macrocycle.

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