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Method for making textured multilayer optical films

  • US 20050110175A1
  • Filed: 10/25/2004
  • Published: 05/26/2005
  • Est. Priority Date: 01/13/1998
  • Status: Abandoned Application
First Claim
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1. A method of making a textured multilayer optical film, said method comprising the steps of:

  • a. forming a multilayer web in which each layer is generally parallel to the major surface of adjacent layers; and

    b. embossing the multilayer web with a pattern such that the embossed portion is no longer coplanar with the rest of the film and exhibits a different color than the rest of the film.

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