Electrochromic devices having reduced switching times and their methods of manufacture
First Claim
1. An electrochromic device comprising:
- a transparent substrate having a surface;
a first transparent conductive layer disposed on a portion of the surface;
an optically active layer disposed on the first transparent conductive layer, the optically active layer configured to alter an optical property in response to an applied electric field;
a second transparent conductive layer disposed on the optically active layer; and
a patterned conductive layer disposed on the second transparent conductive layer and defining an array;
wherein the array partitions the electrochromic device into a plurality of electrochromic cells.
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Abstract
Electrochromic devices having reduced switching times and their methods of manufacturing are presented. In one instance, the electrochromic device includes a transparent substrate having a surface. A first transparent conductive layer is disposed on a portion of the surface. The electrochromic device also includes an optically active layer disposed on the first transparent conductive layer. The optically active layer is configured to alter optical properties in response to an applied electric field. A second transparent conductive layer is disposed on the optically active layer. The electrochromic device additionally includes a patterned conductive layer disposed on the second transparent conductive layer and defining an array on the second transparent conductive layer. The array partitions the electrochromic device into a plurality of electrochromic cells. Other electrochromic devices and methods are presented.
16 Citations
20 Claims
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1. An electrochromic device comprising:
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a transparent substrate having a surface; a first transparent conductive layer disposed on a portion of the surface; an optically active layer disposed on the first transparent conductive layer, the optically active layer configured to alter an optical property in response to an applied electric field; a second transparent conductive layer disposed on the optically active layer; and a patterned conductive layer disposed on the second transparent conductive layer and defining an array; wherein the array partitions the electrochromic device into a plurality of electrochromic cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electrochromic device comprising:
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a glass substrate having a surface; a first transparent conductive layer disposed on a portion of the surface; an optically active layer disposed on the first transparent conductive layer and having an electrochromic layer, an ion conductive layer, and an ion storage layer therein, the electrochromic layer configured to alter an absorption spectrum of electromagnetic radiation in response to an applied electric field; a second transparent conductive layer disposed on the optically active layer; a patterned conductive layer disposed on the second transparent conductive layer and defining an array; and a glass superstrate having a portion bonded onto the patterned conductive layer; wherein the array partitions the electrochromic device into a plurality of electrochromic cells. - View Dependent Claims (12, 13, 14)
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15. A method of manufacturing an electrochromic device, the method comprising:
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forming an optically active layer onto a first transparent conductive layer, the first transparent conductive layer disposed on a portion of a transparent substrate; depositing a second transparent conductive layer onto the optically active layer; and patterning a conductive material into an array on the second transparent conductive layer to partition the electrochromic device into a plurality of electrochromic cells; wherein the optically active layer is configured to alter an optical property in response to an applied electric field. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification