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LAMINATED GLASS LENS FOR SPECTACLES

  • US 20120287395A1
  • Filed: 02/09/2011
  • Published: 11/15/2012
  • Est. Priority Date: 02/25/2010
  • Status: Active Grant
First Claim
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1. A laminated glass lens for spectacles, comprising a plurality of glass lens substrates laminated one on another through an adhesive layer, and containing a pigment so that the lens has a main absorption peak of visible light spectral transmission at wavelengths of 565 to 605 nm,characterized in that the adhesive layer has a thickness of 5 to 150 μ

  • m and comprises a solventless adhesive to which a pigment containing a tetraazaporphyrin compound is added together with an organic solvent.

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