Coated glass
First Claim
1. A high performance solar control coated glass comprising a glass substrate with a coating comprising a heat absorbing layer and a low emissivity layer of a metal compound, wherein the low emissivity layer of the coating overlies the heat absorbing layer, and wherein the low emissivity layer has a thickness in the range 100 nm to 600 nm and wherein the coated glass has an emissivity of less than 0.4.
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Accused Products
Abstract
A high performance solar control glass comprises a glass substrate with a coating comprising a heat absorbing layer and a low emissivity layer of a metal oxide. Preferred heat absorbing layers absorb preferentially at wavelengths above 700 nm, and may be, for example, of non-stoichiometric or doped tungsten oxide, or of cobalt oxide, chromium oxide, iron oxide or vanadiam oxide. Preferred low emissivity layers are of semi-conductor metal oxide, for example doped tin oxide or doped indium oxide. Because of the nature of the layers, the coatings may be of neutral color and be suitable for deposition on-line on the glass ribbon, during the glass production process, by pyrolytic methods for example chemical vapor deposition.
88 Citations
20 Claims
- 1. A high performance solar control coated glass comprising a glass substrate with a coating comprising a heat absorbing layer and a low emissivity layer of a metal compound, wherein the low emissivity layer of the coating overlies the heat absorbing layer, and wherein the low emissivity layer has a thickness in the range 100 nm to 600 nm and wherein the coated glass has an emissivity of less than 0.4.
- 19. A multiple glazing unit comprising a pane of coated glass, having a heat absorbing layer and a low emissivity layer of a metal compound, in a spaced parallel relationship with a second glazing pane, wherein the low emissivity layer of the coating overlies the heat absorbing layer and the low emissivity layer has a thickness in the range of 100 nm to 600 nm and the coated glass has an emissivity of less than 0.4.
Specification