IP Library Granted Patent US 9,316,883
Granted Patent B2
US 9,316,883 · App. 13/906,456 · Granted Apr 19, 2016

Lamination of electrochromic device to glass substrates

Inventors: Neil L. Sbar (Northfield, MN); John E. Van Dine (Faribault, MN); Michael A. McCoy (Eden Prairie, MN)
Assignee: SAGE Electrochromics, Inc.
G02F1/153B32B17/10045B32B17/10174B32B17/10743B32B17/10761B32B17/10981B32B38/0004C03B33/076G02F1/15G02F1/1533
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Quick Facts
Patent No.
US 9,316,883
App. No.
13/906,456
Granted
Apr 19, 2016
Kind
B2
Abstract

Electrochromic device laminates and their method of manufacture are disclosed.

Claims (54)

1. A process of manufacturing an electrochromic device laminate comprising:

providing an electrochromic glass substrate;

cutting said electrochromic glass substrate into one or more substrate daughter panes;

fabricating a plurality of electrochromic device precursors on each of said one or more substrate daughter panes;

cutting each of said plurality of electrochromic device precursors into individual electrochromic devices; and

laminating each of said individual electrochromic devices to a separate outer laminate glass pane,

wherein each of said plurality of electrochromic device precursors are laser cut, and wherein said laminate has an edge strength of at least about 60 MPa.

2. The process of claim 1 , wherein said individual electrochromic devices are smaller than said outer laminate glass pane in at least one dimension.

3. The process of claim 2 , wherein said individual electrochromic devices are indented about 0.5 mm to about 3 mm relative to said outer laminate glass pane in at least one dimension.

4. The process of claim 1 , wherein said electrochromic glass substrate has a thickness ranging from about 0.7 mm to about 6 mm.

5. A laminate prepared according to the process of claim 1 .

6. The process of claim 1 , wherein said laminate has an edge strength of at least about 69 MPa.

7. The process of claim 1 , wherein said laminate has an edge strength of at least about 75 MPa.

8. A process of manufacturing an electrochromic device laminate comprising:

providing an electrochromic glass substrate;

cutting said electrochromic glass substrate into one or more substrate daughter panes;

fabricating a plurality of electrochromic device precursors on each of said one or more substrate daughter panes;

cutting each of said plurality of electrochromic device precursors into individual electrochromic devices; and

laminating each of said individual electrochromic devices to a separate outer laminate glass pane,

wherein each of said plurality of electrochromic device precursors are cut by electrothermal cutting, and wherein said laminate has an edge strength of at least about 60 MPa.

9. The process of claim 8 , wherein said laminate has an edge strength of a least about 69 MPa.

10. A laminate prepared according to the process of claim 8 , wherein said laminate has an edge strength of at least about 75 MPa.

11. A process of manufacturing an electrochromic device laminate comprising:

providing an electrochromic glass substrate;

fabricating a plurality of electrochromic device precursors on said electrochromic glass substrate;

cutting each of said plurality of electrochromic device precursors into individual electrochromic devices; and

laminating each of said individual electrochromic devices to a separate outer laminate glass pane,

wherein each of said plurality of electrochromic device precursors are laser cut, and wherein said laminate has an edge strength of at least about 60 MPa.

12. The process of claim 11 , wherein said individual electrochromic device is about the same size as said outer laminate glass pane.

13. The process of claim 11 , wherein said individual electrochromic device is smaller than said outer laminate glass pane in at least one dimension.

14. The process of claim 13 , wherein said individual electrochromic device is indented about 0.5 mm to about 3 mm relative to said outer laminate glass pane in at least one dimension.

15. The process of claim 11 , wherein said laminate has an edge strength of at least about 69 MPa.

16. The process of claim 11 , wherein said electrochromic glass substrate is a different material than said outer laminate glass pane.

17. The process of claim 11 , wherein said electrochromic substrate has a coefficient of thermal expansion ranging from about 2 ppm/K to about 10 ppm/K.

18. The process of claim 11 , wherein said electrochromic glass substrate has a thickness ranging from about 0.7 mm to about 6 mm.

19. The process of claim 9 , wherein said outer laminate glass pane has a thickness ranging from about 2.3 mm to about 12 mm.

20. The process of claim 9 , wherein an interlayer material for laminating said individual electrochromic devices to said separate outer laminate glass pane is selected from the group consisting of polyvinylbutyral, ionomeric materials, ethylenevinyl acetate, polyurethanes, or mixtures thereof.

21. A laminate prepared according to the process of claim 11 , wherein said laminate has an edge strength of at least about 75 MPa.

22. A process of manufacturing an electrochromic device laminate comprising:

providing an electrochromic glass substrate;

fabricating a plurality of electrochromic device precursors on said electrochromic glass substrate;

cutting each of said plurality of electrochromic device precursors into individual electrochromic devices; and

laminating each of said individual electrochromic devices to a separate outer laminate glass pane,

wherein each of said plurality of electrochromic device precursors are cut by electrothermal cutting, and wherein said laminate has an edge strength of at least about 60 MPa.

23. The process of claim 22 , wherein said laminate has an edge strength of a least about 69 MPa.

24. The process of claim 22 , wherein said laminate has an edge strength of at least about 75 MPa.

25. A laminate prepared according to the process of claim 22 .

26. A laminate comprising:

an electrochromic device, said electrochromic device comprising an electrochromic stack on an annealed glass substrate;

an outer laminate glass pane comprising annealed glass; and

an interlayer material sandwiched between said electrochromic device and said outer laminate glass pane,

wherein said laminate has an edge strength of at least 60 MPa.

27. The laminate of claim 26 , wherein said laminate has an edge strength of at least 69 MPa.

28. The laminate of claim 26 , wherein said laminate has an edge strength of at least about 75 MPa.

Assignments (2)
CORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT ASSIGNEE AND SECOND ASSIGNOR'S LAST NAME PREVIOUSLY RECORDED ON REEL 030528 FRAME 0773. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ENTIRE INTEREST. Recorded Nov 25, 2015
From: SBAR, NEIL L.; VAN DINE, JOHN E.; MCCOY, MICHAEL A.
To: SAGE ELECTROCHROMICS, INC.
Reel/Frame 037158/0440 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 31, 2013
From: SBAR, NEIL L.; VAN DINE, JOHN E.; MCCOY, MICHAEL A.
To: SAGE ELECTROCHROMICS, INC.
Reel/Frame 030528/0773 →
Continuity (5)
Continuation 13178065 · Jul 7, 2011
Continuation 13040787 · Mar 4, 2011
Provisional Application 61311001 · Mar 5, 2010
Provisional Application 61412153 · Nov 10, 2010
Related Publication 20130258437A1 · Oct 3, 2013