| CPC H02J 50/90 (2016.02) [H02J 50/005 (2020.01); H02J 50/10 (2016.02); H01F 27/2885 (2013.01)] | 15 Claims |
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1. An electronic device comprising:
a battery;
a coil antenna configured to transmit power of the battery;
a shield disposed on a lower surface of the coil antenna; and
a plurality of magnet modules formed to surround at least a portion of a side surface of the coil antenna and including a first magnet module and a second magnet module disposed in a different area from the first magnet module,
wherein the first magnet module includes a first inner magnet and a first outer magnet,
wherein the second magnet module includes a second inner magnet and a second outer magnet,
wherein each of the first inner magnet and the second inner magnet includes a first inner area and a second inner area disposed on one side of the first inner area,
wherein each of the first outer magnet and the second outer magnet includes a first outer area and a second outer area disposed on one side of the first outer area,
wherein the first inner area and the second outer area are magnetized with a first polarity
wherein the second inner area and the first outer area are magnetized with a second polarity opposite to the first polarity, and
wherein, when viewed from the lower surface of the coil antenna, a size of the first inner magnet is equal to a size of the second inner magnet and a size of the first outer magnet is different from a size of the second outer magnet.
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