Exterior mirror reflective element sub-assembly

  • US 9,162,624 B2
  • Filed: 04/20/2015
  • Issued: 10/20/2015
  • Est. Priority Date: 10/24/2006
  • Status: Active Grant
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First Claim
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1. A mirror reflective element sub-assembly suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element sub-assembly comprising:

  • a mirror reflective element;

    said mirror reflective element comprising a transparent glass substrate with a mirror reflector disposed at a surface thereof;

    a mirror back plate comprising a plastic molding formed in a plastic injection molding operation;

    said mirror back plate comprising a first side and a second side;

    said mirror reflective element attached at said second side of said mirror back plate;

    said mirror back plate comprising a mirror actuator attaching portion that is established at said first side by said plastic injection molding operation;

    wherein said mirror actuator attaching portion comprises structure for attaching said mirror back plate to a mirror actuator of an exterior rearview mirror assembly, and wherein said mirror actuator comprises an electrically operable mirror actuator;

    wherein said mirror back plate comprises an aperture;

    a heater pad disposed between said mirror reflective element and said second side of said mirror back plate;

    wherein said heater pad has a light transmitting portion that is generally aligned with said aperture of said mirror back plate;

    wherein said mirror reflector comprises a light-transmitting window at a portion thereof that is generally aligned with said light transmitting portion of said heater pad;

    an indicator having a light source that is activatable to emit light;

    wherein said light source comprise at least one light emitting diode;

    wherein said indicator is associated with a blind spot detection system of a vehicle equipped with an exterior rearview mirror assembly equipped with said mirror reflective element sub-assembly; and

    wherein, when the exterior rearview mirror assembly equipped with said mirror reflective element sub-assembly is mounted at a side of the equipped vehicle and with said light source activated, light emitted by said light source passes through a light diffuser and through said aperture of said mirror back plate and through said light transmitting portion of said heater pad and through said light-transmitting window of said mirror reflector and exits said mirror reflective element to provide a visual icon visible to a driver of the equipped vehicle who is driving the equipped vehicle and who is viewing said mirror reflective element.

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