Video mirror system for a vehicle

  • US 7,619,508 B2
  • Filed: 04/02/2008
  • Issued: 11/17/2009
  • Est. Priority Date: 01/23/2001
  • Status: Active Grant
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First Claim
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1. A video mirror system for a vehicle, said video mirror system comprising:

  • an interior electrochromic rearview mirror assembly mountable at an interior portion of a vehicle, said interior rearview mirror assembly comprising a reflective element, said reflective element having a front portion that faces generally towards the driver of the vehicle when said interior rearview mirror assembly is mounted in the vehicle, and having a rear portion that is generally opposite said front portion;

    said electrochromic reflective element comprising an electrochromic 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;

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

    a transflective mirror reflector disposed at said third surface of said second substrate;

    wherein said transflective mirror reflector is at least about 15 percent transmitting to visible light incident thereon;

    a video display disposed to the rear of said rear portion of said reflective element, said video display emitting light when actuated that passes through said transflective mirror reflector of said reflective element to be visible to a driver of the vehicle viewing said front portion of said reflective mirror element;

    wherein said video display is back lit by at least one light source; and

    wherein said video display is operable to exhibit a display intensity as viewed by the driver of at least about 400 candelas per square meter when said interior rearview mirror assembly is mounted and is viewed in the vehicle.

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