Electrochromic device with two thin glass elements and a gelled electrochromic medium
First Claim
1. An electrochromic device, comprising:
 a first glass element having an electrically conductive material associated therewith, wherein said first element comprises a height (h_{1}) , a width (w_{1}) , a thickness (t_{1}), an inner surface, and an outer surface;
a second glass element having an electrically conductive material associated therewith, wherein said second element comprises a height (h_{2}) , a width (w_{2}), and a thickness (t_{2}), an inner surface, and an outer surface;
a cell spacing (c) which comprises a distance between said inner surface of said first element and said inner surface of said second element;
a gelled electrochromic medium contained within a chamber positioned between said first and second elements;
wherein (h_{1}), (w_{1}), (t_{1}), (h_{2}), (w_{2}), (t_{2}), and (c) are numerical values in millimeters, wherein (t_{1}) and (t_{2}) having thickness of at least 0.5 mm; and
wherein (h_{1}), (w_{1}), and (t_{1}) of said first element, and (h_{2}), (w_{2}), and (t_{2}) of said second element and (c) comprise numerical values such that the following inequality is satisfied;
$\frac{2\ue89e{h}_{1}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{1}/{w}_{1}\right)}^{2}}}}^{)}{t}_{1}^{3}\ue89e(7.57\times {10}^{12})+\frac{2\ue89e{h}_{2}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{2}/{w}_{2}\right)}^{2}}}}^{)}{t}_{2}^{3}\ue89e(7.57\times {10}^{12})\ge \mathrm{.1}\ue89e\left(c\right).}{}}{}$
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Abstract
An electrochromic device comprising: a first glass element having an electrically conductive material associated therewith, wherein said first element comprises a height (h_{1}), a width (w_{1}), a thickness (t_{1}), an inner surface, and an outer surface; a second element having an electrically conductive material associated therewith, wherein said second element comprises a height (h_{2}), a width (w_{2}) , and a thickness (t_{2}), an inner surface, and an outer surface; a cell spacing (c) which comprises a distance between said inner surface of said first element and said inner surface of said second element; a gelled electrochromic medium contained within a chamber positioned between said first and second elements; wherein (h_{1}), (w_{1}), (t_{1}), (h_{2}), (w_{2}), (t_{2}), and (c) are numerical values in millimeters; and wherein (h_{1}), (w_{1}), and (t_{1}) of said first element, and (h_{2}), (w_{2}), and (t_{2}) of said second element and (c) comprise numerical values such that the following inequality is satisfied:
51 Citations
35 Claims

1. An electrochromic device, comprising:

a first glass element having an electrically conductive material associated therewith, wherein said first element comprises a height (h_{1}) , a width (w_{1}) , a thickness (t_{1}), an inner surface, and an outer surface;
a second glass element having an electrically conductive material associated therewith, wherein said second element comprises a height (h_{2}) , a width (w_{2}), and a thickness (t_{2}), an inner surface, and an outer surface;
a cell spacing (c) which comprises a distance between said inner surface of said first element and said inner surface of said second element;
a gelled electrochromic medium contained within a chamber positioned between said first and second elements;
wherein (h_{1}), (w_{1}), (t_{1}), (h_{2}), (w_{2}), (t_{2}), and (c) are numerical values in millimeters, wherein (t_{1}) and (t_{2}) having thickness of at least 0.5 mm; and
wherein (h_{1}), (w_{1}), and (t_{1}) of said first element, and (h_{2}), (w_{2}), and (t_{2}) of said second element and (c) comprise numerical values such that the following inequality is satisfied;
$\frac{2\ue89e{h}_{1}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{1}/{w}_{1}\right)}^{2}}}}^{)}{t}_{1}^{3}\ue89e(7.57\times {10}^{12})+\frac{2\ue89e{h}_{2}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{2}/{w}_{2}\right)}^{2}}}}^{)}{t}_{2}^{3}\ue89e(7.57\times {10}^{12})\ge \mathrm{.1}\ue89e\left(c\right).}{}}{}$  View Dependent Claims (2, 3, 4, 5)


6. An electrochromic device, comprising:

a first glass element having an electrically conductive material associated therewith, wherein said first element comprises a height (h_{1}), a width (w_{1}), a thickness (t_{1}), an inner surface, and an outer surface;
a second glass element having an electrically conductive material associated therewith, wherein said second element comprises a height (h_{2}) , a width (w_{2}) , and a thickness (t_{2}), an inner surface, and an outer surface;
a cell spacing (c) which comprises a distance between said inner surface of said first element and said inner surface of said second element;
a gelled electrochromic medium contained within a chamber positioned between said first and second elements;
wherein (h_{1}), (w_{1}), (t_{1}), (h_{2}), (w_{2}), (t_{2}), and (c) are independent numerical values in millimeters, wherein (t_{1}) and (t_{2}) having thickness of at least 0.5 mm; and
wherein (h_{1}), (w_{1}), and (t_{1}) of said first element, and (h_{2}), (w_{2}), and (t_{2}) of said second element and (c) comprise numerical values such that the following inequality is satisfied;
$\frac{2\ue89e{h}_{1}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{1}/{w}_{1}\right)}^{2}}}}^{)}{t}_{1}^{3}\ue89e(7.57\times {10}^{12})+\frac{2\ue89e{h}_{2}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{2}/{w}_{2}\right)}^{2}}}}^{)}{t}_{2}^{3}\ue89e(7.57\times {10}^{12})\approx 0.1\ue89e\left(c\right).}{}}{}$  View Dependent Claims (7, 8, 9, 10)


11. An electrochromic device, comprising:

thin front and rear spaced glass elements, each having front and rear surfaces, wherein said front element comprises a height (h_{1}), a width (w_{1}), a thickness (t_{1}) and said rear element comprises a height (h_{2}), a width (w_{2}), and a thickness (t_{2});
a layer of transparent conductive material disposed on said rear surface of said front element and on said front surface of said rear element;
a reflector disposed on one side of said rear element provided that, if said reflector is on said rear surface of said rear element, then said front surface of said rear element contains a layer of a transparent conductive material;
a perimeter sealing member bonding together said front and rear spaced elements in a spacedapart relationship to define a chamber therebetween, where said chamber contains a freestanding gel comprising a solvent and a crosslinked polymer matrix, and wherein said chamber further contains at least one electrochromic material in solution with said solvent and, as part of said solution, interspersed in said crosslinked polymer matrix;
wherein said polymer matrix cooperatively interacts with said front and rear elements to form one thick, strong unitary member, and where said reflector is effective to reflect light through said chamber and said front element when said light reaches said reflector after passing through said front element and said chamber;
a cell spacing (c) which comprises a distance between said rear surface of said front element and said front surface of said rear element;
wherein (h_{1}), (w_{1}), (t_{1}), (h_{2}), (w_{2}), (t_{2}), and (c) are numerical values in millimeters, wherein (t_{1}) and (t_{2}) having thickness of at least 0.5 mm; and
wherein (h_{1}), (w_{1}), and (t_{1}) of said first element, and (h_{2}), (w_{2}), and (t_{2}) of said second element and (c) comprise numerical values such that the following inequality is satisfied;
$\frac{2\ue89e{h}_{1}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{1}/{w}_{1}\right)}^{2}}}}^{)}{t}_{1}^{3}\ue89e(7.57\times {10}^{12})+\frac{2\ue89e{h}_{2}^{5}\ue89e(1{\mathrm{\uf74d{2}^{{\left({h}_{2}/{w}_{2}\right)}^{2}}}}^{)}{t}_{2}^{3}\ue89e(7.57\times {10}^{12})\ge 0.1\ue89e\left(c\right).}{}}{}$  View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)

1 Specification