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Optical film and liquid crystal display

  • US 5,880,800 A
  • Filed: 01/06/1997
  • Issued: 03/09/1999
  • Est. Priority Date: 01/09/1996
  • Status: Expired due to Term
First Claim
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1. An optical film comprising an optical base film having on one surface or both surfaces thereof multilayers of pressure-sensitive adhesive layers, wherein the multilayers comprise a combination of pressure-sensitive adhesive layers each having a different stress relaxation time, the pressure-sensitive adhesive layer having the longest stress relaxation time is disposed at the outermost position, and a thickness of said pressure-sensitive layer having the longest relaxation time is 80% or less of the total thickness of the pressure-sensitive adhesive layers.

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