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Electrochromic element, method of driving the same, an optical filter, lens unit, image pick-up device and window material

  • US 9,798,213 B2
  • Filed: 06/01/2016
  • Issued: 10/24/2017
  • Est. Priority Date: 06/03/2015
  • Status: Active Grant
First Claim
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1. An electrochromic element, comprising:

  • a first electrode and a second electrode, at least one of the first electrode and the second electrode being transparent;

    a third electrode; and

    an electrolyte, an anodic organic electrochromic material, and a cathodic organic electrochromic material that are arranged between the first electrode and the second electrode,wherein the third electrode is electrically connectable to at least one of the first electrode and the second electrode via the electrolyte, andwherein the third electrode has an effective area that is larger than an effective area of the first electrode and an effective area of the second electrode.

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