Electrochromic device with low resistance electrical connections
First Claim
1. An electrochromic device comprising:
- a substrate;
a first electrode layer;
an electrochromic layer;
a second electrode layer, said first electrode layer, said electrochromic layer, and said second electrode layer being formed on said substrate in sequence, and at least one of said first and second electrode layers being a transparent electrode layer; and
a conductive thin film formed on an end surface of said substrate, said conductive thin film having a resistance lower than that of said transparent electrode layer, and part of said transparent electrode layer overlapping said end surface and being formed on said conductive thin film such that said conductive thin film has a portion disposed between said overlapping part of said transparent electrode layer and said end surface of said substrate.
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Abstract
An electrochromic device is constructed with a first electrode layer, an electrochromic layer and a second electrode layer formed on a substrate in sequence, with at least one of the first and second electrode layers being a transparent electrode layer. The device is characterized in that a conductive thin film having a resistance lower than that of the transparent electrode layer is formed on part of the substrate, and part of the transparent electrode layer is formed on this conductive thin film. Alternatively, the conductive thin film is formed in contact with a part of the transparent electrode layer formed on an end surface of the substrate, and the area of the conductive thin film is larger than a corresponding underlying cross-sectional area of the substrate taken in the direction of the substrate thickness.
28 Citations
8 Claims
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1. An electrochromic device comprising:
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a substrate; a first electrode layer; an electrochromic layer; a second electrode layer, said first electrode layer, said electrochromic layer, and said second electrode layer being formed on said substrate in sequence, and at least one of said first and second electrode layers being a transparent electrode layer; and a conductive thin film formed on an end surface of said substrate, said conductive thin film having a resistance lower than that of said transparent electrode layer, and part of said transparent electrode layer overlapping said end surface and being formed on said conductive thin film such that said conductive thin film has a portion disposed between said overlapping part of said transparent electrode layer and said end surface of said substrate.
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2. An electrochromic device comprising:
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a substrate; a first electrode layer; an electrochromic layer; a second electrode layer, said first electrode layer, said electrochromic layer, and said second electrode layer being formed on said substrate in sequence, and at least one of said first and second electrode layers being a transparent electrode layer; and a conductive thin film formed on an end surface of said substrate, said conductive thin film having a resistance lower than that of said transparent electrode layer, and part of said transparent electrode layer being formed on said conductive thin film such that said conductive thin film has a portion disposed between said part of said transparent electrode layer and said end surface of said substrate, and wherein an area of said end surface is larger than a corresponding underlying cross-sectional area of said substrate taken in the direction of the substrate thickness. - View Dependent Claims (3)
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4. An electrochromic device comprising:
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a substrate; a first electrode layer; an electrochromic layer; a second electrode layer, said first electrode layer, said electrochromic layer, and said second electrode layer being formed on said substrate in sequence, at least one of said first and second electrode layers being a transparent electrode layer, part of said transparent electrode layer being formed on an end surface of said substrate; and a conductive thin film having a resistance lower than that of said transparent electrode layer, said conductive thin film being formed on said part of said transparent electrode layer and having an area larger than a corresonding underlying cross-sectional area of said substrate taken in the direction of the substrate thickness. - View Dependent Claims (5, 6, 7, 8)
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Specification