Coated article including low-E coating with improved durability and/or methods of making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-017/06
B32B-009/04
출원번호
US-0183833
(2011-07-15)
등록번호
US-8506001
(2013-08-13)
발명자
/ 주소
Benito Gutiérrez, Guillermo
Unquera Algorri, Javier
Alvarez Rodriguez, Angel
Marcos Renes, Jose
출원인 / 주소
Centre Luxembourgeois de Recherches pour le Verre et la Ceramique S.A. (C.R.V.C.)
대리인 / 주소
Nixon & Vanderhye P.C.
인용정보
피인용 횟수 :
3인용 특허 :
10
초록▼
This application relates to a coated article including at least one infrared (IR) reflecting layer of a material such as silver or the like in a low-E coating. In certain embodiments, at least one layer of the coating is of or includes zirconium oxide (e.g., ZrO2) or zirconium silicon oxynitride (e.
This application relates to a coated article including at least one infrared (IR) reflecting layer of a material such as silver or the like in a low-E coating. In certain embodiments, at least one layer of the coating is of or includes zirconium oxide (e.g., ZrO2) or zirconium silicon oxynitride (e.g., ZrSiOxNy). When a layer comprising zirconium oxide or zirconium silicon oxynitride is provided as the uppermost or overcoat layer of the coated article (e.g., over a silicon nitride based layer), this results in improved chemical and heat stability in certain example embodiments. Coated articles herein may be used in the context of insulating glass (IG) window units, vehicle windows, or in other suitable applications such as monolithic window applications, laminated windows, and/or the like.
대표청구항▼
1. A vehicle windshield, comprising: a coating supported by a first glass substrate, the coating comprising, moving away from the first glass substrate: a first dielectric layer comprising silicon nitride;a first contact layer comprising Ni and/or Cr;an infrared (IR) reflecting layer comprising silv
1. A vehicle windshield, comprising: a coating supported by a first glass substrate, the coating comprising, moving away from the first glass substrate: a first dielectric layer comprising silicon nitride;a first contact layer comprising Ni and/or Cr;an infrared (IR) reflecting layer comprising silver located on the substrate over at least and contacting the first contact layer;a second contact layer comprising Ni and/or Cr located over and contacting the IR reflecting layer;a second dielectric layer comprising silicon nitride located over and contacting the second contact layer; andan overcoat layer comprising zirconium oxide; anda second glass substrate laminated to the first glass substrate such that the coating supported by the first substrate faces the second substrate,wherein the first contact layer is 2.1-2.5 times thicker than the second contact layer, andwherein the overcoat layer is at least 2 nm thick,wherein the first and second glass substrates are laminated together using a polymer-based interlayer. 2. The vehicle windshield of claim 1, wherein the first contact layer is 2.2-2.4 times thicker than the second contact layer. 3. The vehicle windshield of claim 1, wherein the overcoat layer is 2.5-4 nm thick. 4. The vehicle windshield of claim 1, wherein the first dielectric layer comprising silicon nitride is in direct contact with the first glass substrate. 5. The vehicle windshield of claim 1, wherein the windshield has a visible transmission of at least about 70%. 6. The vehicle windshield of claim 1, wherein the second contact layer is partially nitrided. 7. The vehicle windshield of claim 1, wherein each said layer in the coating is sputter deposited. 8. The vehicle windshield of claim 1, wherein the polymer-based interlayer is PVB. 9. The vehicle windshield of claim 1, wherein the polymer-based interlayer is not PET. 10. The vehicle windshield of claim 1, wherein the first contact layer is 2.2-2.4 times thicker than the second contact layer, andthe overcoat layer is 2.5-4 nm thick. 11. The vehicle windshield of claim 10, wherein the vehicle windshield has a visible transmission of at least about 70% and a total solar transmission of less than about 50%. 12. The vehicle windshield of claim 11, wherein the vehicle windshield has a UV transmission of less than or equal to about 3%. 13. The vehicle windshield of claim 1, wherein the first and/or second contact layer(s) is/are partially nitrided. 14. The vehicle windshield of claim 1, wherein the overcoat layer further comprises silicon and nitrogen. 15. The vehicle windshield of claim 1, wherein the overcoat layer further comprises silicon. 16. A method of making a coated article including a coating supported by a glass substrate, the method comprising disposing, in order moving away from the glass substrate: a first dielectric layer comprising silicon nitride;a first contact layer comprising Ni and/or Cr;an infrared (IR) reflecting layer comprising silver located on the substrate over at least and contacting the first contact layer;a second contact layer comprising Ni and/or Cr located over and contacting the IR reflecting layer;a second dielectric layer comprising silicon nitride located over and contacting the second contact layer; andan overcoat layer comprising zirconium oxide,wherein the first contact layer is 2.1-2.5 times thicker than the second contact layer,wherein the overcoat layer is at least 2 nm thick, andwherein the coated article does not include any pyrolytically deposited layers. 17. The method of claim 16, wherein the overcoat layer is 2.5-4 nm thick. 18. The method of claim 16, wherein the coated article has a visible transmission of at least about 70% and a total solar transmission of less than about 50%. 19. The method of claim 18, wherein the coated article has a UV transmission of less than or equal to about 3%. 20. The method of claim 16, wherein the first and/or second contact layer(s) is/are partially nitrided. 21. The method of claim 16, wherein each said layer in the coating is sputter deposited. 22. A method of making a vehicle windshield including first and second glass substrates that are laminated together, the method comprising: making a coated article in accordance with claim 16; andwherein the coated article is adapted for use as the first substrate. 23. The method of claim 22, further comprising forwarding the coated article to a fabricator so that the coated article can be sized, bent, and laminated to the second substrate. 24. The method of claim 16 wherein the overcoat layer further comprises silicon and nitrogen. 25. The method of claim 16, wherein the overcoat layer further comprises silicon. 26. A method of making a vehicle windshield including first and second glass substrates that are laminated together the method comprising: making a coated article including a coating supported by a glass substrate, the method comprising disposing, moving away from the glass substrate: a first dielectric layer comprising silicon nitride;a first contact layer comprising Ni and/or Cr;an infrared (IR) reflecting layer comprising silver located on the substrate over at least and contacting the first contact layer;a second contact layer comprising Ni and/or Cr located over and contacting the IR reflecting layer;a second dielectric layer comprising silicon nitride located over and contacting the second contact layer; andan overcoat layer comprising zirconium oxide,wherein the first contact layer is 2.1-2.5 times thicker than the second contact layer,wherein the overcoat layer is at least 2 nm thick,forwarding the coated article to a fabricator so that the coated article can be sized, bent, and laminated to another glass substrate in making the vehicle windshield; andwherein the vehicle windshield does not use PET.
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이 특허에 인용된 특허 (10)
Stachowiak,Grzegorz, Coated article with dual-layer protective overcoat of nitride and zirconium or chromium oxide.
Chonlamaitri,Ratchaneekorn; Dietrich,Anton; Disteldorf,Bernd, Coated article with low-E coating including zirconium silicon oxynitride and methods of making same.
Koch Stephanie,FRX ; Rondeau Veronique,FRX ; Brochot Jean-Pierre,FRX ; Guiselin Olivier,FRX, Glass substrates covered with a stack of thin coatings, application to glazings having properties of reflecting in the.
Szczyrbowski Joachim (Goldbach) Dietrich Anton (Wiesenfelden) Hartig Klaus (Ronneburg DEX), Method for the production of coated glass with a high transmissivity in the visible spectral range and with a high refle.
You, Hyun-Woo; Jun, Youn-Ki; Kwon, Dae-Hoon, Low-emissivity coating film, method for manufacturing same, and functional construction material for window and doors including same.
You, Hyun-Woo; Jun, Youn-Ki; Kwon, Dae-Hoon, Low-emissivity coating film, method for manufacturing same, and functional construction material for window and doors including same.
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