IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0413580
(2006-04-28)
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등록번호 |
US-7670641
(2010-04-21)
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발명자
/ 주소 |
- Hoffman, Wayne L.
- Eby, Eric
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
125 |
초록
▼
The invention provides low solar reflectance, low-emissivity coatings. The invention provides a monolithic pane bearing a low solar reflectance, low-emissivity coating. Further, the invention provides an insulating glass unit bearing a low solar reflectance, low-emissivity coating. Finally, the inve
The invention provides low solar reflectance, low-emissivity coatings. The invention provides a monolithic pane bearing a low solar reflectance, low-emissivity coating. Further, the invention provides an insulating glass unit bearing a low solar reflectance, low-emissivity coating. Finally, the invention provides methods of producing coated substrates by depositing low solar reflectance, low-emissivity coatings.
대표청구항
▼
What is claimed is: 1. A method of producing coated substrates, the method comprising: a) providing a pane having generally-opposed first and second major surfaces; and b) depositing upon one of said major surfaces a low-emissivity coating comprising, in sequence outwardly from the pane, an inner c
What is claimed is: 1. A method of producing coated substrates, the method comprising: a) providing a pane having generally-opposed first and second major surfaces; and b) depositing upon one of said major surfaces a low-emissivity coating comprising, in sequence outwardly from the pane, an inner coat comprising at least one transparent dielectric film, an infrared-reflective layer, a high absorption primary layer, and a middle coat, said infrared-reflective layer comprising material that is highly reflective of infrared radiation, the high absorption primary layer comprising material that is highly absorptive of solar radiation and having a thickness of at least about 100 Å, the middle coat comprising at least one transparent dielectric film, having an optical thickness of between about 600 Å and about 872 Å and being positioned between said infrared-reflective layer and the high absorption primary layer. 2. The method of claim 1 wherein the method comprises depositing said infrared-reflective layer as a silver-containing film. 3. The method of claim 1 wherein the method comprises depositing said infrared-reflective layer at a thickness of between about 182 Å and about 274 Å. 4. The method of claim 1 wherein the method comprises depositing the high absorption primary layer as a metallic film. 5. The method of claim 1 wherein the method comprises depositing the high absorption primary layer as a titanium and/or niobium containing film. 6. The method of claim 1 wherein the method comprises depositing the high absorption primary layer as a highly absorptive dielectric film. 7. The method of claim 1 wherein the method comprising depositing the high absorption primary layer at a thickness of between about 104 Å and about 151 Å. 8. The method of claim 1 wherein the method comprises depositing each film of the middle coat as a film having a refractive index of between about 1.7 and about 2.4. 9. The method of claim 1 wherein the method comprises depositing said infrared-reflective layer further from the pane than the high absorption primary layer. 10. The method of claim 9 further comprising depositing a high absorption blocker layer over said infrared-reflective layer, the high absorption blocker layer comprising material that is highly absorptive of solar radiation and having a thickness of at least about 45 Å. 11. The method of claim 10 wherein the method comprises depositing the high absorption blocker layer directly over said infrared-reflective layer. 12. The method of claim 10 wherein the method comprises depositing the high absorption blocker layer as a metallic film. 13. The method of claim 10 wherein the method comprises depositing the high absorption blocker layer as a titanium and/or niobium containing film. 14. The method of claim 10 wherein the method comprises depositing the high absorption blocker layer at a thickness of between about 46 Å and about 78 Å. 15. The method of claim 1 wherein the method comprises depositing the inner coat at an optical thickness of between about 216 Å and about 312 Å. 16. The method of claim 15 wherein the method comprises depositing each film of the inner coat as a film having a refractive index of between about 1.7 and about 2.4. 17. The method of claim 1 further comprising depositing an outer coat further from the substrate than said infrared-reflective layer, the outer coat comprising at least one transparent dielectric film. 18. The method of claim 17 wherein the method comprises depositing the outer coat at an optical thickness of between about 410 Å and about 582 Å. 19. The method of claim 18 wherein the method comprises depositing each film of the outer coat as a film having a refractive index of between about 1.7 and about 2.4. 20. A method of producing coated substrates, the method comprising: a) providing a pane having generally-opposed first and second major surfaces; and b) depositing upon one of said major surfaces a low-emissivity coating comprising, in sequence outwardly from the pane, an inner coat, a high absorption primary layer, a middle coat, an infrared-reflective layer, and an outer coat, the inner coat comprising at least one transparent dielectric film and being applied directly on the pane and having an optical thickness of less than about 272 Å, the middle coat comprising at least one transparent dielectric film and having an optical thickness of between about 600 Å and about 872 Å, said infrared-reflective layer comprising material that is highly reflective of infrared radiation, the high absorption primary layer comprising material that is highly absorptive of solar radiation and having a thickness of at least about 100 Å. 21. A method of producing coated substrates, the method comprising: a) providing a pane having generally-opposed first and second major surfaces; and b) depositing upon one of said major surfaces a low-emissivity coating comprising the following sequence of films: i) an inner coat comprising at least one transparent dielectric film and having an optical thickness of less than about 272 Å; ii) a high absorption primary layer comprising material that is highly absorptive of solar radiation and having a thickness of least about 100 Å; iii) a middle coat comprising at least one transparent dielectric film and having an optical thickness of between about 600 Å and about 872 Å; iv) an infrared-reflective layer comprising material that is highly reflective of infrared radiation; v) a high absorption blocker layer comprising material that is highly absorptive of solar radiation and having a thickness of at least about 45 Å; and vi) an outer coat comprising a layer of zinc oxide and a layer of silicon nitride over said layer of zinc oxide. 22. A method of producing coated substrates, the method comprising: a) providing a pane having generally-opposed first and second major surfaces; and b) depositing upon one of said major surfaces a low-emissivity coating comprising an infrared-reflective layer, a high absorption primary layer, an inner coat, and a middle coat, the inner coat comprising at least one transparent dielectric film and being deposited directly on the pane, wherein each film of the inner coat has a refractive index of between about 1.7 and about 2.4, said infrared-reflective layer comprising silver, the high absorption primary layer comprising material that is highly absorptive of solar radiation and having a thickness of at least about 100 Å, the middle coat comprising at least one transparent dielectric film and being positioned between said infrared-reflective layer and the high absorption primary layer, wherein the low-emissivity coating includes a high absorption blocker layer directly over said infrared-reflective layer, the high absorption blocker layer having a thickness of at least about 45 Å, wherein the pane is part of an insulating glass unit and the low-emissivity coating is carried on a #2 surface of the insulating glass unit, the insulating glass unit having an exterior solar reflectance of less than about 20% and having a transmitted color characterized by an ah color coordinate and a bh color coordinate, both of said color coordinates being negative such that the insulating glass unit has a transmitted hue within a range that is entirely within a blue-green range. 23. The method of claim 22 wherein the method comprises depositing the high absorption primary layer as metallic titanium.
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