Mirror reflective element sub-assembly for exterior rearview mirror of a vehicle

  • US 9,045,091 B2
  • Filed: 09/15/2014
  • Issued: 06/02/2015
  • Est. Priority Date: 09/14/2005
  • Status: Active Grant
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First Claim
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1. A mirror reflective element sub-assembly for an exterior rearview mirror assembly of a vehicle, said mirror reflective element sub-assembly comprising:

  • a mirror reflective element comprising a transparent substrate having a front surface and a rear surface;

    a mirror reflector disposed at one of said front surface of said transparent substrate and said rear surface of said transparent substrate;

    a heater pad disposed at said rear surface of said transparent substrate, wherein said heater pad comprises a substantially non-light transmitting portion and a light transmitting portion;

    a mirror back plate disposed at said heater pad, said mirror back plate comprising a plate portion having a front plate surface facing said heater pad and a rear plate surface rearward of and spaced from said front plate surface by a thickness dimension of said plate portion of said mirror back plate;

    wherein said mirror back plate comprises a first structure formed at said rear plate surface, wherein said first structure is configured to attach at an actuator of an exterior rearview mirror assembly;

    wherein said mirror back plate comprises a second structure formed at said rear plate surface;

    wherein said mirror back plate is formed by injection molding and wherein said first structure, said second structure and said plate portion of said mirror back plate are formed during injection molding of said mirror back plate;

    a blind spot indicator element having a light source that is activatable to emit light;

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

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

    wherein said blind spot indicator element is disposed at said second structure of said mirror back plate;

    an icon that is illuminated when said light source is activated;

    wherein said blind spot indicator element, when said light source is activated, emits light through said light transmitting portion of said heater pad and through said mirror reflective element; and

    wherein said blind spot indicator element and said second structure are configured so that light emitted by said blind spot indicator element, when said light source is activated and when said mirror reflective element sub-assembly is disposed at an exterior rearview mirror of the equipped vehicle, illuminates said icon so that the illuminated icon is principally viewed by a driver of the equipped vehicle when the driver views said mirror reflective element of said mirror reflective element sub-assembly.

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