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Thermoelectric devices and systems

  • US 10,580,955 B2
  • Filed: 03/15/2019
  • Issued: 03/03/2020
  • Est. Priority Date: 05/03/2016
  • Status: Active Grant
First Claim
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1. A wearable electronic device, comprising:

  • an electronic display; and

    a power management unit operatively coupled to said electronic display, said power management unit comprising;

    one or more solar cells configured to generate power upon exposure to light;

    a thermoelectric device comprising (i) a heat collecting unit configured to collect thermal energy from a body surface of a user, (ii) a heat sink in thermal communication with said heat collecting unit, and (iii) a thermoelectric power generator disposed between said heat collecting unit and said heat sink, wherein said thermoelectric power generator is configured to generate power upon flow of at least a portion of said thermal energy from said heat collecting unit to said heat sink; and

    an energy storage device configured to store power generated by said one or more solar cells or said thermoelectric power generator when said power is not used to power said electronic display.

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