ARTICLES INCLUDING ANTICONDENSATION COATINGS AND/OR METHODS OF MAKING THE SAME

• US 20170015178A1
• Filed: 09/22/2016
• Published: 01/19/2017
• Est. Priority Date: 02/26/2010
• Status: Active Grant

• Current Assignee: Guardian Glass LLC (KOCH Industries Incorporated)
• Original Assignee: Guardian Industries Corporation (KOCH Industries Incorporated)
• Inventors: LEMMER, Jean-Marc, MURPHY, Nestor P.
• Granted Patent: US 9,902,238 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60J 1/002 with means for clear vision, e.g. anti-frost or defog panes, rain shields window heating in H05B3/84, H05B3/86
• CPC Class Codes: C03C 17/3417 all coatings being oxide coatings
• CPC Class Codes: C03C 17/3435 comprising a nitride, oxynitride, boronitride or carbonitride
• CPC Class Codes: C03C 2217/214 Al2O3
• CPC Class Codes: C03C 2217/22 ZrO2
• CPC Class Codes: C03C 2217/231 In2O3/SnO2
• CPC Class Codes: C03C 2217/281 Nitrides
• CPC Class Codes: C03C 2218/154 by sputtering
• CPC Class Codes: C09D 5/00 Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced electrically insulating plastics, resins or waxes H01B3/30; Filling pastes
• CPC Class Codes: C23C 14/0652 Silicon nitride
• CPC Class Codes: C23C 14/081 of aluminium, magnesium or beryllium
• CPC Class Codes: C23C 14/083 of refractory metals or yttrium
• CPC Class Codes: C23C 14/086 of zinc, germanium, cadmium, indium, tin, thallium or bismuth
• CPC Class Codes: C23C 14/34 Sputtering
• CPC Class Codes: C23C 28/04 only coatings of inorganic non-metallic material
• CPC Class Codes: E06B 3/6715 specially adapted for increased thermal insulation or for controlled passage of light E06B3/66323 takes precedence; coating of glass pains C03C17/00; devices or arrangements for controlling the intensity, colour, phase, polarisation or direction of light G02F1/00
• CPC Class Codes: Y10T 428/2495 Thickness [relative or absolute]

Abstract

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.

Claims

1-22. -22. (canceled)

23. A vehicle window comprising:

a coating supported by a glass substrate, the coating being exposed to an adjacent external environment and adapted to be exposed to an interior of the vehicle, wherein the coating comprises the following layers moving away from the glass substrate;

a transparent dielectric layer comprising silicon oxynitride;

a transparent layer comprising indium-tin-oxide (ITO) having a physical thickness of from 75-175 nm,

a dielectric layer comprising silicon and nitrogen and being doped with aluminum, and

a dielectric layer comprising zirconium oxide, the dielectric layer comprising zirconium oxide being located directly on and contacting the dielectric layer comprising silicon and nitrogen,

wherein said layer comprising ITO is located directly under and contacting said dielectric layer comprising silicon and nitrogen,

wherein a visible transmission of the coating is 80% or higher;

wherein the coating has a sheet resistance of less than 30 ohms/square, and

wherein said dielectric layer comprising zirconium oxide is an outermost layer of the coating and is exposed to the external environment, and is adapted to be exposed to an interior of the vehicle.

24. The vehicle window of claim 23, wherein the vehicle window is a windshield.

25. A vehicle window comprising:

a coating supported by a glass substrate, the coating being exposed to an adjacent external environment, wherein the coating comprises the following layers moving away from the glass substrate;

a dielectric layer comprising silicon oxynitride;

a transparent layer comprising indium-tin-oxide (ITO) having a physical thickness of from 75-175 nm,

a dielectric layer comprising silicon and nitrogen and being doped with aluminum,

wherein said layer comprising ITO is located directly under and contacting said dielectric layer comprising silicon and nitrogen that is doped with aluminum,

wherein the layer comprising silicon and nitrogen is thinner than is the layer comprising ITO,

wherein the layer comprising silicon oxynitride is thinner than is the layer comprising ITO,

wherein the coating has a visible transmission of 80% or higher;

wherein the coating has a sheet resistance of less than 30 ohms/square; and

wherein the coating is exposed to the external environment and is adapted to be exposed to an interior of the vehicle.