Electrochromic Devices and Manufacturing Methods Thereof
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Abstract
A method for enhancing the reliability of contacting the conductive layers in a laminated electrochromic device structure is disclosed (FIG. 7). The laminate structure (10), typically fabricated in the form of a sheet, comprises: two polymer substrates (21, 22); two conductive layers (31, 32)—one arranged on each substate—and facing each other; an electrochromic layer (41) and a counter-electrode layer (42) each arranged on different conductive layers; and an electrolyte layer (50) interposed between the electrochromic layer and the counter-electrode layer. Either an incision with an undulating cutting depth or perforations of predetermined sizes, depths (through at least most of one substrate) and separations are prefabricated along a desired tear line in the structure (step 220)—once the final shape of the device is defined—to facilitate the tearing away of the one polymer substrate to reveal the conductive layer to be contacted on the underlying substrate.
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Citations
41 Claims
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1-21. -21. (canceled)
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22. A method for producing an electrochromic device, comprising the steps of:
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providing an electrochromic layered structure having a first substrate sheet, a second substrate sheet, said first substrate sheet and said second substrate sheet being polymer substrates, a first electron conducting layer at least partially covering said first substrate sheet, a second electron conducting layer at least partially covering said second substrate sheet, a first electrochromic layer at least partially covering said first electron conducting layer, a counter electrode layer at least partially covering said second electron conducting layer, and an electrolyte layer laminated between and at least partially covering said first electrochromic layer and said counter electrode layer; and creating fracture indications along a line into one of said first substrate sheet and said second substrate sheet, wherein at least a part of said fracture indications cut through at least a major part of said first substrate sheet or said second substrate sheet, respectively. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. An electrochromic layered structure, comprising:
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a first substrate sheet; a second substrate sheet; said first substrate sheet and said second substrate sheet being polymer substrates; a first electron conducting layer at least partially covering said first substrate sheet; a second electron conducting layer at least partially covering said second substrate sheet; an electrochromic layer at least partially covering said first electron conducting layer; a counter electrode layer at least partially covering said second electron conducting layer; and an electrolyte layer laminated between and at least partially covering said first electrochromic layer and said counter electrode layer, said electrochromic layered structure having fracture indications along a line into one of said first substrate sheet and said second substrate sheet wherein at least a part of said fracture indications cut through at least a major part of said first substrate sheet or said second substrate sheet respectively. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41)
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Specification