Articles including anticondensation coatings and/or methods of making the same

• US 9,902,238 B2
• Filed: 09/22/2016
• Issued: 02/27/2018
• Est. Priority Date: 02/26/2010
• Status: Active Grant

• Current Assignee: Guardian Glass LLC (KOCH Industries Incorporated)
• Original Assignee: Guardian Glass LLC (KOCH Industries Incorporated)
• Inventors: Lemmer, Jean-Marc, Murphy, Nestor P.
• Primary Examiner(s): COLGAN, LAUREN ROBINSON
• Application Number:
  US15/272,625
• Publication Number:
  US 20170015178A1
• Time in Patent Office: 523 Days
• Field of Search: 428426, 428428, 428434, 428688, 428689, 428699, 428701, 428702
• 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. A vehicle windshield comprising:

first and second glass substrates of the vehicle windshield;

wherein the first and second glass substrates of the vehicle windshield are coupled together;

a coating comprising a plurality of thin film layers provided on the first glass substrate, the plurality of thin film layers including, in order moving away from the first glass substrate;

(a) a first dielectric layer comprising silicon nitride;

(b) a second dielectric layer comprising silicon oxynitride;

(c) a layer comprising indium-tin-oxide (ITO) 75-175 nm thick,

(d) a third dielectric layer comprising silicon nitride, and wherein the third dielectric layer comprising silicon nitride is located over and directly contacting the layer comprising indium-tin-oxide so that the layer comprising indium-tin-oxide is located between at least the first glass substrate and the third dielectric layer; and

(e) a layer comprising aluminum oxide, wherein the layer comprising aluminum oxide is an uppermost layer of the coating and is the layer of the coating farthest from the first glass substrate;

wherein the coating is not located between the first and second glass substrates.