GLASS LAMINATED ARTICLES AND LAYERED ARTICLES

• US 20090297806A1
• Filed: 04/21/2009
• Published: 12/03/2009
• Est. Priority Date: 05/30/2008
• Status: Active Grant

• Current Assignee: Corning Incorporated
• Original Assignee: Corning Incorporated
• Inventors: DeMartino, Steven Edward, Hluck, Laura L., Dawson-Elli, David Francis
• Granted Patent: US 9,782,949 B2
• Time in Patent Office: Days
• US Class Current: 428/213
• CPC Class Codes: B32B 17/10036 comprising two outer glass sheets
• CPC Class Codes: B32B 17/10091 thermally hardened
• CPC Class Codes: B32B 17/101 having a predetermined coefficient of thermal expansion [CTE]
• CPC Class Codes: B32B 17/10119 having a composition deviating from the basic composition of soda-lime glass, e.g. borosilicate
• CPC Class Codes: B32B 17/10761 containing vinyl acetal
• CPC Class Codes: B32B 2605/006 Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
• CPC Class Codes: B32B 37/14 characterised by the properties of the layers
• CPC Class Codes: B32B 38/0004 Cutting, tearing or severing, e.g. bursting; Cutter details cutting in general B26D; laminating combined with punching or perforating B32B38/04; removing all or part of the layers B32B38/10; cutting in combination with laying up and registration B32B38/185 takes precedence
• CPC Class Codes: B32B 7/02 Physical, chemical or physicochemical properties
• CPC Class Codes: C03C 17/3668 the multilayer coating having electrical properties
• CPC Class Codes: C03C 17/3681 the multilayer coating being used in glazing, e.g. windows or windscreens
• CPC Class Codes: C03C 2201/50 containing alkali metals
• CPC Class Codes: E06B 3/66 Units comprising two or more parallel glass or like panes permanently secured together reforming and uniting glass sheets by fusing C03B23/00; joining glass to glass or to other materials C03C27/00; laminated glass B32B17/10
• CPC Class Codes: G02F 1/153 Constructional details
• CPC Class Codes: G02F 1/1533 structural features not otherwise provided for
• CPC Class Codes: G02F 2001/1536 additional, e.g. protective, layer inside the cell
• CPC Class Codes: G02F 2202/09 inorganic glass
• CPC Class Codes: H01L 31/0392 including thin films deposited on metallic or insulating substrates ; characterised by specific substrate materials or substrate features or by the presence of intermediate layers, e.g. barrier layers, on the substrate textured substrates H01L31/02366
• CPC Class Codes: H01L 31/03923 including AIBIIICVI compound materials, e.g. CIS, CIGS
• CPC Class Codes: H01L 31/048 Encapsulation of modules
• CPC Class Codes: Y02B 10/10 : Photovoltaic [PV]
• CPC Class Codes: Y02E 10/541 : CuInSe2 material PV cells
• CPC Class Codes: Y10T 428/2495 : Thickness [relative or absolute]
• CPC Class Codes: Y10T 428/24967 : Absolute thicknesses specified
• CPC Class Codes: Y10T 428/26 : Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension

Abstract

Laminated articles and layered articles, for example, low alkali glass laminated articles and layered articles useful for, for example, electrochromic devices are described.

Claims

1. An article comprising:

a glass layer having a coefficient of thermal expansion 50×

10<sup>−

7</sup>/°

C. or less;

a functional material disposed on the glass layer;

a substrate comprising a glass, a polymer, or a combination thereof, and having a thickness greater than that of the glass layer; and

a laminate layer disposed between the substrate and either the glass layer or functional material.

2. The article according to claim 1, wherein the functional material is selected from an electrochromic, a thermochromic, a photochromic, a low-e type, an actively defrosting, a transparent conductive oxide material, and combinations thereof.

3. The article according to claim 2, wherein the electrochromic, thermochromic, photochromic, low-e type, actively defrosting, or transparent conductive oxide material comprises multiple layers.

4. The article according to claim 2, wherein the functional material is an electrochromic functional material.

5. The article according to claim 1, wherein the glass layer has a sodium oxide content of 10 percent by weight or less.

6. The article according to claim 1, wherein the glass layer has an alkali oxide content of 10 percent by weight or less.

7. The article according to claim 6, wherein the alkali oxide content is 5 percent by weight or less.

8. The article according to claim 1, wherein the glass layer has a thickness of 4.0 mm or less.

9. The article according to claim 8, wherein the glass layer has thickness of 2.0 mm or less.

10. The article according to claim 1, wherein the laminate layer comprises a material selected from polyvinyl butyral, a UV curable resin, a thermoplastic, a thermoplastic ionoplast, polycarbonate, polyurethane, a UV curable polymer, silicone, and combinations thereof.

11. The article according to claim 1, wherein the substrate comprises a material selected from float glass, fusion formable glass, soda lime glass, plastic, polycarbonate, and combinations thereof.

12. The article according to claim 1, wherein the glass layer is transparent.

13. The article according to claim 1, wherein the glass layer is fusion formable.

14. An article comprising:

a glass layer having a sodium oxide content of 10 percent by weight or less;

an electrochromic, a thermochromic, a photochromic, a low-e type, an actively defrosting, a transparent conductive oxide material, or a combination thereof disposed on the glass layer;

a substrate comprising a glass, a polymer, or a combination thereof, and having a thickness greater than that of the glass layer; and

a laminate layer disposed between the substrate and either the glass layer or functional material.

15. An article comprising:

a glass layer having a coefficient of thermal expansion 50×

10<sup>−

7</sup>/°

C. or less;

an electrochromic material disposed on the glass layer; and

a protective layer disposed on a surface of the electrochromic material not in contact with the glass layer.

16. The article according to claim 15, wherein the glass layer has a thickness of 4.0 mm or less.

17. The article according to claim 15, wherein the glass layer has thickness of 2.0 mm or less.

18. The article according to claim 15, wherein the protective layer provides chemical or mechanical durability.

19. The article according to claim 15, wherein the protective layer is a transparent glass layer having a sodium oxide content of 10 percent by weight or less.

20. The article according to claim 15, wherein the protective layer is a sputtered glass layer.

21. The article according to claim 15, further comprising a seal material joining the protective layer and the glass layer such that the combination of the protective layer, the glass layer, and the seal material together enclose the electrochromic material.