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REFLECTION-RESISTANT GLASS ARTICLES AND METHODS FOR MAKING AND USING SAME

  • US 20130183489A1
  • Filed: 01/08/2013
  • Published: 07/18/2013
  • Est. Priority Date: 01/13/2012
  • Status: Abandoned Application
First Claim
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1. A coated article, comprising:

  • a glass or glass-ceramic substrate; and

    a multilayer coating having an average thickness of less than or equal to about 1 micrometer disposed on at least a portion of a surface of the glass or glass-ceramic substrate;

    wherein the multilayer coating comprises a layer of a low-refractive-index material, having an index of refraction as measured at a wavelength of 589 nanometers of less than 1.6, and a layer of a high-refractive-index material, having an having an index of refraction as measured at a wavelength of 589 nanometers of greater than or equal to 1.6;

    wherein the layer of the low-refractive-index material is farthest from the glass or glass-ceramic substrate;

    wherein the coated article has a specular reflectance that is less than or equal to about 85 percent of a specular reflectance of the glass or glass-ceramic substrate alone when measured at wavelengths of about 450 nanometers to about 750 nanometers;

    wherein the multilayer coating has a specular reflectance of less than 5 percent across the spectrum comprising wavelengths of about 450 nanometers to about 750 nanometers.

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