Electro-optic reflective element assembly

  • US 7,310,177 B2
  • Filed: 02/22/2007
  • Issued: 12/18/2007
  • Est. Priority Date: 09/20/2002
  • Status: Active Grant
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First Claim
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1. A rearview mirror assembly for a vehicle, said rearview mirror assembly comprising:

  • an electro-optic reflective element, said reflective element providing a rearward field of view to a driver of a vehicle when a vehicle is equipped with said rearview mirror assembly;

    said electro-optic reflective element comprising an electro-optic medium disposed between a first substrate and a second substrate;

    said first substrate being closer to the driver of the vehicle than said second substrate when the vehicle is equipped with said rearview mirror assembly;

    said first substrate having a first surface and a second surface;

    said first surface being closer to the driver of the vehicle than said second surface when the vehicle is equipped with said rearview mirror assembly;

    said second substrate having a third surface and a fourth surface;

    said third surface being closer to the driver of the vehicle than said fourth surface when the vehicle is equipped with said rearview mirror assembly;

    an overhang region at an edge region of said first substrate that extends beyond a corresponding edge region of said second substrate;

    a transparent electrical conductor disposed at said second surface of said first substrate;

    an electrically conductive mirror reflector disposed at said third surface of said second substrate;

    said mirror reflector including a tab portion that at least partially encompasses an edge dimension of said second substrate;

    said second substrate having a non-conductive perimeter region at said third surface and devoid of said mirror reflector except at said tab portion;

    a non-conductive seal disposed between said first and second substrates and encompassing at least a portion of said mirror reflector and at least a portion of said non-conductive perimeter region;

    at least one hiding layer disposed around a perimeter region of said second surface of said first substrate;

    said at least one hiding layer being substantially non-transparent so as to render the presence of said non-conductive seal substantially not noticeable to a viewer directly viewing said rearview mirror assembly when the vehicle is normally equipped with said rearview mirror assembly;

    a first electrical connector in electrical connection with said transparent electrical conductor, said first electrical connector connecting to said transparent electrical conductor via said overhang region; and

    a second electrical connector in electrical connection with said tab portion of said mirror reflector.

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