Articles including anticondensation coatings and/or methods of making the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-017/09
C03C-017/245
C03C-017/36
E06B-003/66
B32B-017/06
출원번호
US-0662894
(2010-05-10)
등록번호
US-8304045
(2012-11-06)
발명자
/ 주소
Lemmer, Jean-Marc
Murphy, Nestor P.
출원인 / 주소
Guardian Industries Corp.
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
30인용 특허 :
8
초록▼
Certain example embodiments of this invention relate to articles including anticondensation coatings that are exposed to an external environment, and/or methods of making the same. In certain example embodiments, the anticondensation coatings may be survivable in an outside environment. The coatings
Certain example embodiments of this invention relate to articles including anticondensation coatings that are exposed to an external environment, and/or methods of making the same. In certain example embodiments, the anticondensation coatings may be survivable in an outside environment. The coatings also may have a sufficiently low sheet resistance and hemispherical emissivity such that the glass surface is more likely to retain heat from the interior area, thereby reducing (and sometimes completely eliminating) the presence condensation thereon. The articles of certain example embodiments may be, for example, skylights, vehicle windows or windshields, IG units, VIG units, refrigerator/freezer doors, and/or the like.
대표청구항▼
1. A skylight, comprising: first and second substantially parallel, spaced apart glass substrates;a plurality of spacers arranged to help maintain the first and second substrates in substantially parallel, spaced apart relation to one another;an edge seal sealing together the first and second substr
1. A skylight, comprising: first and second substantially parallel, spaced apart glass substrates;a plurality of spacers arranged to help maintain the first and second substrates in substantially parallel, spaced apart relation to one another;an edge seal sealing together the first and second substrates; andan anticondensation coating provided on an exterior surface of the first substrate exposed to an environment external to the skylight, the anticondensation coating comprising the following layers moving away from the first substrate:a layer comprising silicon nitride and/or silicon oxynitride,a layer comprising a transparent conductive oxide (TCO),a layer comprising silicon nitride, anda layer comprising at least one of zirconium oxide, zirconium nitride,aluminum oxide, and aluminum nitride, wherein the anticondensation coating has a hemispherical emissivity of less than less than 0.23 and a sheet resistance of less than 30 ohms/square. 2. The skylight of claim 1, wherein the TCO comprises ITO. 3. The skylight of claim 1, wherein at least one of the layers comprising silicon nitride consists essentially of silicon nitride which may be doped with aluminum. 4. The skylight of claim 1, wherein the anticondensation coating further comprises a layer comprising silicon nitride and a layer comprising titanium oxide that are located between the glass substrate and said layer comprising silicon nitride and/or silicon oxynitride. 5. The skylight of claim 1, wherein said layer comprising silicon nitride and/or silicon oxynitride consists essentially of silicon oxynitride which may be doped with aluminum. 6. The skylight of claim 1, wherein the anticondensation coating further comprises a layer comprising DLC as an outermost layer. 7. The skylight of claim 6, wherein a contact angle of the DLC initially is less than or equal to about 15 degrees. 8. The skylight of claim 1, wherein a low emissivity coating including at least one infrared (IR) reflecting layer comprising silver is disposed on an inner surface of the first substrate and/or an inner surface of the second substrate. 9. A coated article comprising: a coating supported by a substrate, wherein the coating is an anticondensation coating comprising the following layers moving away from the substrate:a layer comprising silicon nitride and/or silicon oxynitride,a layer comprising a transparent conductive oxide (TCO),a layer comprising silicon nitride, anda layer comprising one or more of zirconium oxide, zirconium nitride,aluminum oxide, and aluminum nitride,wherein the anticondensation coating is disposed on an exterior surface of the substrate such that the anticondensation coating is exposed to an external environment, andthe anticondensation coating has a hemispherical emissivity of less than less than 0.23 and a sheet resistance of less than 30 ohms/square. 10. The coated article of claim 9, wherein the TCO comprises ITO. 11. The coated article of claim 9, wherein the layer comprising one or more of zirconium oxide, zirconium nitride, aluminum oxide, and aluminum nitride, comprises zirconium oxide. 12. The coated article of claim 9, wherein the layer comprising one or more of zirconium oxide, zirconium nitride, aluminum oxide, and aluminum nitride, comprises aluminum oxynitride. 13. The coated article of claim 9, wherein the anticondensation coating further comprises a layer comprising silicon nitride and a layer comprising titanium oxide that are located between the glass substrate and said layer comprising silicon nitride and/or silicon oxynitride. 14. The coated article of claim 9, wherein the external environment is the inside of a house or vehicle. 15. The coated article of claim 9, wherein the external environment is the outside environment. 16. The coated article claim 9, wherein the anticondensation coating further comprises a layer comprising DLC as an outermost layer. 17. The coated article of claim 16, wherein a contact angle of the DLC initially is less than or equal to about 15 degrees. 18. An insulating glass (IG) unit, comprising: a coated article according to claim 9;a second substrate in parallel spaced apart relation to the coated article;a plurality of spacers arranged to help maintain the coated article and the second substrate in substantially parallel, spaced apart relation to one another; andan edge seal sealing together the coated article and second substrates,wherein the external environment is the inside of a house. 19. The IG unit of claim 18, wherein a second anticondensation coating is disposed on an exterior surface of the second substrate. 20. The IG unit of claim 9, wherein the IG unit has a U-value of less than or equal to 0.30 and a solar heat gain coefficient (SHGC) of less than or equal to 0.30. 21. The IG unit of claim 18, wherein a low emissivity coating is disposed on a surface of either the first substrate or the second substrate that faces the other of the first substrate and second substrate. 22. A refrigerator/freezer door, comprising: a coated article according to claim 9;a second substrate in parallel spaced apart relation to the coated article;a plurality of spacers arranged to help maintain the coated article and the second substrate in substantially parallel, spaced apart relation to one another; andan edge seal sealing together the coated article and second substrates.
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