초록 ▼

A glazing panel having beneficial anti-solar properties comprises a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.01 to 0.14. In one application the coated substrate has a solar factor FS of less than 70% and the panel is

A glazing panel having beneficial anti-solar properties comprises a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.01 to 0.14. In one application the coated substrate has a solar factor FS of less than 70% and the panel is formed by chemical vapor deposition from a reactant mixture comprising a source of tin and a source of antimony. In another application it is particularly suitable for use in vehicle glazing, in particular in vehicle roof windows, and the coated substrate has a spray-formed pyrolytic tin/antimony oxide coating having a thickness of at least 400 nm and, whereby the coated substrate has a luminous transmittance (TL) of less than 35% and a selectivity (TL/TE) of at least 1.3.

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What is claimed is: 1. A glazing panel comprising a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.01 to 0.5, the said coating layer having been formed by chemical vapor deposition, whereby the so-coated substrate has a so

What is claimed is: 1. A glazing panel comprising a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.01 to 0.5, the said coating layer having been formed by chemical vapor deposition, whereby the so-coated substrate has a solar factor (FS) of less than 70% and a luminous transmittance (TL) of less than 70%. 2. A glazing panel according to claim 1, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.5. 3. A glazing panel according to claim 1, wherein the Sb/Sn molar ratio ranges from 0.05 to 0.5. 4. A glazing panel according to claim 1, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.21. 5. A glazing panel according to claim 1, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.15. 6. A glazing panel according to claim 1, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.07. 7. A glazing panel according to claim 1, wherein at least one intermediate coating layer is positioned between the substrate and the tin/antimony oxide coating layer, the at least one intermediate coating layer being selected from the group consisting of a haze-reducing coating layer and an anti-reflection layer. 8. A glazing panel according to claim 1, wherein at least one intermediate coating layer is positioned between the substrate and the tin/antimony oxide coating layer, the at least one intermediate coating layer being comprised of one of SiO2 and SiOx. 9. A glazing panel according to claim 1, wherein the solar factor is less than 60%. 10. A glazing panel according to claim 1, having a luminous transmittance of between 40 and 65%. 11. A glazing panel according to claim 1, wherein the said tin/antimony oxide coating has a thickness of from 100 to 500 nm. 12. A glazing panel according to claim 1, wherein the tin/antimony oxide coating has a thickness of from 250 to 450 nm. 13. A glazing panel according to claim 1, wherein the tin/antimony oxide coating layer is an exposed coating layer. 14. A glazing panel according to claim 1, wherein the vitreous substrate is selected from the group consisting of a clear sheet of glass and a colored sheet of glass. 15. A glazing panel comprising a vitreous substrate carrying a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.03 to 0.5, the said coating layer having been formed by chemical vapor deposition, whereby the so-coated substrate has a solar factor (FS) of less than 70%. 16. A glazing panel according to claim 15, wherein the Sb/Sn molar ratio ranges from 0.05 to 0.5. 17. A glazing panel according to claim 15, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.21. 18. A glazing panel according to claim 15, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.15. 19. A glazing panel according to claim 15, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.07. 20. A glazing panel according to claim 15, wherein at least one intermediate coating layer is positioned between the substrate and the tin/antimony oxide coating layer, the at least one intermediate coating layer being selected from the group consisting of a haze-reducing coating layer and an anti-reflection layer. 21. A glazing panel according to claim 15, wherein at least one intermediate coating layer is positioned between the substrate and the tin/antimony oxide coating layer, the at least one intermediate coating layer being comprised of one of SiO2 and SiOx. 22. A glazing panel according to claim 15, wherein the solar factor is less than 60%. 23. A glazing panel according to claim 15, having a luminous transmittance (TL) of less than 70%. 24. A glazing panel according to claim 15, having a luminous transmittance of between 40 and 65%. 25. A glazing panel according to claim 15, wherein the said tin/antimony oxide coating has a thickness of from 100 to 500 nm. 26. A glazing panel according to claim 15, wherein the tin/antimony oxide coating has a thickness of from 250 to 450 nm. 27. A glazing panel according to claim 15, wherein the tin/antimony oxide coating layer is an exposed coating layer. 28. A glazing panel according to claim 15, wherein the vitreous substrate is selected from the group consisting of a clear sheet of glass and a colored sheet of glass. 29. A glazing panel comprising a vitreous substrate carrying, in order, an intermediate haze-reducing coating layer and a tin/antimony oxide coating layer containing tin and antimony in a Sb/Sn molar ratio of from 0.03 to 0.15, the said tin/antimony oxide coating layer having been formed by chemical vapor deposition and having a thickness of from 100 to 470 nm, whereby the so-coated substrate has a solar factor (FS) of less than 70% and a luminous transmittance (TL) of less than 70%. 30. A glazing panel according to claim 29, wherein the Sb/Sn molar ratio ranges from 0.03 to 0.07. 31. A glazing panel according to claim 29, wherein the intermediate haze-reducing coating layer comprises of one of SiO2 and SiOx. 32. A glazing panel according to claim 29, wherein the solar factor is less than 60%. 33. A glazing panel according to claim 29, having a luminous transmittance of between 40 and 65%. 34. A glazing panel according to claim 29, wherein the tin/antimony oxide coating has a thickness of from 250 to 450 nm. 35. A glazing panel according to claim 29, wherein the tin/antimony oxide coating layer is an exposed coating layer. 36. A glazing panel according to claim 29, wherein the vitreous substrate is selected from the group consisting of a clear sheet of glass and a colored sheet of glass.