Blind zone indicator module for exterior rearview mirror assembly

  • US 10,170,001 B2
  • Filed: 12/18/2017
  • Issued: 01/01/2019
  • Est. Priority Date: 09/28/2015
  • Status: Active Grant
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First Claim
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1. An indicator module for an exterior rearview mirror assembly for a vehicle, the indicator module comprising:

  • a hollow housing formed by injection molding of white plastic material;

    wherein the hollow housing comprises (i) a front end configured for attaching the indicator module at the rear of a mirror reflective element configured for use by an exterior rearview mirror assembly, (ii) a rear end opposite the front end, and (iii) an intermediate portion between the front end and the rear end;

    wherein the hollow housing comprises an inner surface that is white and is diffusely reflective of light incident thereat;

    a circuit board having a first side and a second side opposite the first side, wherein at least one light emitting diode is disposed at the first side of the circuit board;

    wherein the circuit board is disposed between the rear end of the hollow housing and the front end of the hollow housing such that the first side of the circuit board faces the front end of the hollow housing and the second side of the circuit board faces away from the front end of the hollow housing;

    a diffuser element attached at the front end of the hollow housing, wherein the diffuser element closes the front end of the hollow housing;

    potting material disposed at and over the second side of the circuit board to seal the rear side of the circuit board;

    wherein, when the at least one light emitting diode is activated, light emitted by the at least one light emitting diode reflects off the white inner surface of the hollow housing and passes through the diffuser element to exit the indicator module; and

    wherein the indicator module comprises a blind zone indication module.

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