Exterior mirror with blind zone indicator

  • US 10,614,719 B2
  • Filed: 09/11/2017
  • Issued: 04/07/2020
  • Est. Priority Date: 09/11/2014
  • Status: Active Grant
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First Claim
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1. A mirror reflective element sub-assembly suitable for use for an exterior rearview mirror assembly of a vehicle, said mirror reflective element sub-assembly comprising:

  • a mirror reflective element;

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

    wherein said mirror back plate comprises an aperture formed therethrough;

    said mirror back plate comprising a front side and an opposing rear side;

    wherein said front side of said mirror back plate is attached at a rear side of said mirror reflective element;

    a blind zone indication module comprising a circuit element with circuitry disposed thereat, wherein said circuitry comprises at least one light emitting diode that is electrically activatable to emit light;

    said blind zone indication module comprising a diffuser element;

    said rear side of said mirror back plate comprising an indicator receiving portion;

    wherein said indicator receiving portion is located at said aperture of said mirror back plate;

    wherein said blind zone indication module attaches at the rear side of said mirror reflective element via said aperture of said mirror back plate;

    wherein said blind zone indication module includes a housing that houses said circuit element and said at least one light emitting diode therein;

    wherein said rear side of said mirror back plate comprises structure at said indicator receiving portion that at least partially receives said housing;

    wherein said housing comprises side walls that, with said housing at least partially received at said structure at said indicator receiving portion, protrude from the rear side of said mirror reflective element;

    wherein said circuit element comprises a plurality of electrically conductive terminals in electrical connection with circuitry of said circuit element;

    wherein said plurality of electrically conductive terminals are received at a connector portion of said housing;

    wherein said connector portion extends from a side wall of said housing;

    wherein said connector portion of said housing and said plurality of electrically conductive terminals extend over the rear side of said mirror reflective element;

    wherein said connector portion of said housing is configured to connect to a wire harness of an exterior rearview mirror assembly to electrically power circuitry of said circuit element when said mirror reflective element sub-assembly is disposed at the exterior rearview mirror assembly and when the exterior rearview mirror assembly is mounted and used on a vehicle; and

    wherein a portion of said blind zone indication module partially but not fully occludes light emitted by said at least one light emitting diode to reduce a bright spot at said mirror reflective element when said mirror reflective element sub-assembly is disposed at the exterior rearview mirror assembly and when the exterior rearview mirror assembly is mounted and used on the vehicle and when said mirror reflective element sub-assembly is viewed by a driver of the vehicle when said at least one light emitting diode of said blind zone indication module is activated.

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