Charge conducting medium
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United States of America Patent
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Aug 16, 2011
Grant Date -
Apr 1, 2010
app pub date -
Jun 30, 2006
filing date -
Jul 1, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrochromic assembly 32 is disclosed. The assembly comprises: first and second electrodes 22, 24, at least one electrode being transparent; a porous membrane 10 defining a plurality of pores, the membrane having a first refractive index and located between the electrodes 22, 24; an electrolyte filling the pores, the electrolyte having a second refractive index substantially matching the first refractive index, the electrolyte and membrane together forming a substantially transparent electrolytic layer; and at least one electrochromic layer 18 covering at part of the first electrode 22. The membrane 10 is flexible and the spacing between the electrodes 22, 24 is held substantially constant by the membrane 10. The membrane is sealed with sealant 42.
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