Reflective surface treatments for optical sensors

  • US 10,247,670 B2
  • Filed: 08/27/2018
  • Issued: 04/02/2019
  • Est. Priority Date: 08/28/2014
  • Status: Active Grant
First Claim
Patent Images

1. An electronic device comprising:

  • a housing with a surface;

    a reflective layer that is formed on the surface, wherein the reflective layer has first and second openings;

    a light emitter that emits light through the first opening; and

    a light detector that receives the light emitted by the light emitter through the second opening.

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