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1. (WO2018101677) WIRELESS POWER RECEIVING DEVICE

Pub. No.:    WO/2018/101677    International Application No.:    PCT/KR2017/013466
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Sat Nov 25 00:59:59 CET 2017
IPC: H04M 1/02
H02J 50/10
H04B 5/00
Applicants: LG INNOTEK CO., LTD.
엘지이노텍(주)
Inventors: LEE, Ki Min
이기민
Title: WIRELESS POWER RECEIVING DEVICE
Abstract:
The present invention relates to a wireless power receiving device, and a wireless power receiving device having a metal body, according to one embodiment of the present invention, comprises: a hole formed on one side of the metal body; a first opening part respectively connected to the hole and a second opening part which divides an upper part or a lower part of the metal body; and a receiving coil which receives electromagnetic fields from a wireless power transmitting device for transmitting wireless power to the wireless power receiving device, wherein an outer diameter of the receiving coil can be larger than an outer diameter of the hole. Therefore, the present invention has an advantage of minimizing heat emission in the wireless power receiving device having a metal body and improving wireless power transmission efficiency.