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Receiving antenna and wireless power receiving device including the same

  • US 9,997,950 B2
  • Filed: 06/16/2014
  • Issued: 06/12/2018
  • Est. Priority Date: 06/20/2013
  • Status: Active Grant
First Claim
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1. A wireless power receiving device wirelessly charging electric power, comprising:

  • a magnetic layer;

    a wireless power receiving coil including a first coil layer disposed on the magnetic layer, and a second coil layer disposed on the first coil layer of the wireless power receiving coil;

    a near field communication coil including a first coil layer disposed on the magnetic layer, and a second coil layer disposed on the first coil layer of the near field communication coil;

    a support film disposed between the first coil layer of the wireless power receiving coil and the second coil layer of the wireless power receiving coil, and between the first coil layer of the near field communication coil and the second coil layer of the near field communication coil;

    a terminal connected to the wireless power receiving coil and the terminal also connected to the near field communication coil,a circuit unit connected to the wireless power receiving coil through the terminal, and configured to convert electromagnetic energy into electrical energy; and

    a storage unit configured to store the electrical energy,wherein the wireless power receiving coil is surrounded by the near field communication coil,wherein the support film includes a plurality of holes,wherein the first coil layer of the wireless power receiving coil is connected to the second coil layer of the wireless power receiving coil through a first hole of the plurality of holes,wherein the first coil layer of the near field communication coil is connected to the second coil layer of the near field communication coil through a second hole of the plurality of holes,wherein the first coil layer of the wireless power receiving coil includes a first connection portion and a second connection portion,wherein the second coil layer of the wireless power receiving coil includes a first connection portion and a second connection portion,wherein the first connection portion of the first coil layer of the wireless power receiving coil is connected to the first connection portion of the second coil layer of the wireless power receiving coil through the first hole of the plurality of holes.

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