Electrochromic nonglaring mirror

  • US 4,741,603 A
  • Filed: 05/05/1986
  • Issued: 05/03/1988
  • Est. Priority Date: 05/08/1985
  • Status: Expired due to Fees
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First Claim
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1. An electrochromic nonglaring mirror, comprising:

  • a transparent front substrate which is coated with a transparent first electrode film, and a back substrate which is coated with a second electrode film, said back substrate positioned parallel to said front substrate such that the first and second electrode films are opposite to and spaced from each other;

    a first electrochromic layer formed on said first electrode film and a second electrochromic layer formed on said second electrode film;

    means for providing a reflecting surface to said back substrate; and

    an electrolyte liquid provided in the space between said front and back substrates;

    one of said first and second electrochromic layers being formed from a conjugated polymer which undergoes electrochemical oxidation and reduction and becomes lower in light transmittance when it is in an oxidized state, said conjugated polymer being a polymer prepared from a compound represented by the following general formula;

    ##STR2## wherein X, Y and Z each represent a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group, an alkoxyl group, an acyl group, an allyl group, a vinyl group or a vinylidene group, the other electrochromic layer being formed of a transition metal oxide which becomes lower in light transmittance when it is in an electrochemically reduced state.

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