Electrochromic element, optical filter, lens unit, image pickup apparatus, and window member
First Claim
1. An electrochromic element, comprising:
- a first electrode;
a second electrode;
a third electrode; and
an electrolyte, an anodic organic electrochromic compound, and a cathodic redox substance that are arranged between the first electrode and the second electrode,at least one of the first electrode and the second electrode being transparent, wherein;
the third electrode is electrically connectable to at least one of the first electrode and the second electrode through the electrolyte;
the third electrode further has a redox substance; and
a reduced form of the redox substance of the third electrode is more easily oxidized than a reduced form of the anodic organic electrochromic compound.
1 Assignment
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Accused Products
Abstract
Provided is an electrochromic element, which is capable of correcting possible charge imbalance, and is suppressed in color remaining, the electrochromic element including: a first electrode; a second electrode; a third electrode; and an electrolyte, an anodic organic electrochromic compound, and a cathodic redox substance that are arranged between the first electrode and the second electrode, at least one of the first electrode and the second electrode being transparent, in which: the third electrode is electrically connectable to at least one of the first electrode and the second electrode through the electrolyte; the third electrode further has a redox substance; and a reduced form of the redox substance of the third electrode is more easily oxidized than a reduced form of the anodic organic electrochromic compound.
4 Citations
20 Claims
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1. An electrochromic element, comprising:
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a first electrode; a second electrode; a third electrode; and an electrolyte, an anodic organic electrochromic compound, and a cathodic redox substance that are arranged between the first electrode and the second electrode, at least one of the first electrode and the second electrode being transparent, wherein; the third electrode is electrically connectable to at least one of the first electrode and the second electrode through the electrolyte; the third electrode further has a redox substance; and a reduced form of the redox substance of the third electrode is more easily oxidized than a reduced form of the anodic organic electrochromic compound. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An electrochromic element, comprising:
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a first electrode; a second electrode; a third electrode; and an electrolyte, a cathodic organic electrochromic compound, and a cathodic redox substance that are arranged between the first electrode and the second electrode, at least one of the first electrode and the second electrode being transparent, wherein; the third electrode is electrically connectable to at least one of the first electrode and the second electrode through the electrolyte; the third electrode further has a redox substance; and an oxidized form of the redox substance of the third electrode is more easily reduced than an oxidized form of the cathodic organic electrochromic compound. - View Dependent Claims (18)
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19. An electrochromic element, comprising:
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a first electrode; a second electrode; a third electrode; and an electrolyte, an anodic organic electrochromic compound, and a cathodic organic electrochromic compound that are arranged between the first electrode and the second electrode, at least one of the first electrode and the second electrode being transparent, wherein; the third electrode is electrically connectable to at least one of the first electrode and the second electrode through the electrolyte; the third electrode has a redox substance; a reduced form of the redox substance of the third electrode is more easily oxidized than a reduced form of the anodic organic electrochromic compound; and an oxidized form of the redox substance of the third electrode is more easily reduced than an oxidized form of the cathodic organic electrochromic compound. - View Dependent Claims (20)
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Specification