Patent ID: 7311961

Claim:
A laminated article, comprising: a. a first substrate having a first major surface; b. a functional coating formed over at least a portion of the first major surface, wherein the functional coating comprises at least one metal oxide-containing coating film and at least one infrared reflective metal film; c. a protective coating formed over at least a portion of the functional coating, wherein the protective coating consists of a layer comprising a mixture of silica and alumina, wherein the protective coating has a thickness in the range of 300 Å to 5 microns, and wherein the functional coating and the protective coating define a coating stack; d. a second substrate; and e. a polymeric material located between the protective coating and the second substrate, wherein the protective coating has a refractive index in the range of ±0.2 with respect to the refractive index of the polymeric material.