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Transparent layered product and glass article using the same

  • US 6,362,414 B1
  • Filed: 05/26/2000
  • Issued: 03/26/2002
  • Est. Priority Date: 05/31/1999
  • Status: Expired due to Term
First Claim
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1. A transparent layered product, comprising:

  • a glass sheet;

    an undercoating film formed on the glass sheet, comprising at least two layers and having a surface with roughness; and

    a coating film having a surface with roughness, which is formed on the undercoating film, the coating film including, at its surface, a transition layer in which a refractive index varies continuously in a thickness direction of the transition layer, wherein when a variation in the refractive index is shown on a plane defined by a horizontal axis indicating the refractive index and a vertical axis indicating the thickness direction of the transition layer, with the glass sheet positioned on a lower side, the variation in the refractive index is indicated by a convex curve over a whole region of the transition layer.

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