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G02F 1/17 (2006.01) B60J 1/00 (2006.01) B60J 3/04 (2006.01) B60R 1/08 (2006.01) G02F 1/15 (2006.01) G02F 1/153 (2006.01) G02F 1/163 (2006.01)
Patent
CA 1286762
ELECTROOPTICAL DEVICE Abstract of the Disclosure An electrochromic device useful as a smart window comprises a pair of transparent doped tin oxide layers that serve as the terminal electrodes, and between which are sandwiched an electrochemical cell including a layer of electrochromic material and between the layer of electrochromic material and its proximate terminal is inserted a layer of tin oxide whose normal resistance is large compared to the lateral resistance of the proximate doped tin oxide layer. This serves to improve the lateral uniformity of the potential applied to the electrochemical cell when a voltage is applied across the terminal electrodes with a resultant improvement in the uniformity of coloring and bleaching across the surface of the electrochromic layer.
569735
Corrigan Dennis A.
General Motors Corporation
Gowling Lafleur Henderson Llp
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