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OPTICAL SUBSTRATE

  • US 20130271836A1
  • Filed: 10/09/2012
  • Published: 10/17/2013
  • Est. Priority Date: 01/31/2012
  • Status: Active Grant
First Claim
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1. An optical substrate comprising:

  • a tone-adjustment antireflection film; and

    an antifouling layer formed on the antireflection film in order to minimize fingerprint adhesion, whereinthe antireflection film includes at least nine layers.

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