Rearview mirror assembly for vehicle

  • US 10,589,684 B2
  • Filed: 10/29/2018
  • Issued: 03/17/2020
  • Est. Priority Date: 04/22/2013
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. A rearview mirror assembly for a vehicle, said rearview mirror assembly comprising:

  • a mirror head, said mirror head comprising a mirror casing and an electro-optic mirror reflective element adhesively attached thereat;

    wherein said mirror casing is formed in a plastic molding operation, said mirror casing comprising a plastic-molded sidewall and an open end;

    wherein said sidewall of said mirror casing has wall thickness spanning between an inner surface of said sidewall and an outer surface of said sidewall;

    wherein said sidewall comprises a terminal end region that circumscribes said open end of said mirror casing and terminates at a terminal end edge of said mirror casing;

    wherein said terminal end region of said sidewall comprises a rounded end region surface curving between said terminal end edge of said mirror casing and said outer surface of said sidewall;

    wherein said electro-optic mirror reflective element is disposed at said open end of said mirror casing;

    wherein said electro-optic mirror reflective element comprises a first glass substrate and a second glass substrate;

    wherein said first glass substrate has a front surface and a rear surface;

    wherein said rear surface of said first glass substrate has a transparent conductive coating established thereat;

    wherein said second glass substrate comprises a front surface and a rear surface, and wherein said second glass substrate has a mirror reflector disposed at said front surface of said second glass substrate;

    wherein an electro-optic medium is sandwiched between and contacts said transparent conductive coating of said first glass substrate and said mirror reflector of said second glass substrate, and wherein said electro-optic medium is bounded by a perimeter seal;

    wherein no part of said second glass substrate extends beyond any part of said first glass substrate;

    wherein said first glass substrate comprises a rounded circumferential perimeter region extending at least partially between said front surface of said first glass substrate and said rear surface of said first glass substrate;

    wherein said first glass substrate has a substrate thickness spanning between said front surface of said first glass substrate and said rear surface of said first glass substrate at a central region thereof;

    wherein said rounded circumferential perimeter region of said first glass substrate has a first radius of curvature and said rounded end region surface of said terminal end region of said mirror casing has a second radius of curvature;

    wherein the substrate thickness of said first glass substrate is less than said first radius of curvature;

    wherein said rounded end region surface of said terminal end region of said mirror casing and said rounded circumferential perimeter region of said first glass substrate combine to provide a curved transition between said front surface and said outer surface of said sidewall of said mirror casing; and

    wherein the combined curved transition has a radius of curvature of at least 2.5 mm.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×