Exterior mirror reflective element with auxiliary reflector

  • US 9,855,895 B2
  • Filed: 07/10/2017
  • Issued: 01/02/2018
  • Est. Priority Date: 05/23/2007
  • Status: Active Grant
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First Claim
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1. A mirror reflective element suitable for use in an exterior rearview mirror assembly of a vehicle, said mirror reflective element comprising:

  • a glass substrate having a first side and an opposing second side;

    wherein said glass substrate has a thickness between said first side and said second side of less than 3 millimeters;

    wherein said mirror reflective element has a principal reflector portion and an auxiliary reflector portion;

    wherein said auxiliary reflector portion comprises a curved recess established at said second side of said glass substrate;

    wherein said curved recess has a cross-dimension size less than 80 millimeters;

    wherein said curved recess comprises a radius of curvature less than 1,000 millimeters;

    wherein said curved recess has a recess depth less than 2.26 millimeters;

    an auxiliary mirror metallic reflector coated at said curved recess at said second side of said glass substrate;

    a principal mirror metallic reflector coated at said principal reflector portion;

    wherein said mirror reflective element comprises a fixed reflectance non-electro-optic mirror reflective element; and

    wherein said mirror reflective element is configured so that, when an exterior rearview mirror assembly equipped with said mirror reflective element is normally mounted at a side of a vehicle, said curved recess is disposed at an outboard upper region of said mirror reflective element relative to the side of the equipped vehicle.

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