WIRELESS CHARGING DEVICE

WIPO Patent Application WO/2019/088505

A1

Disclosed in an embodiment are a wireless charging coil, a manufacturing method therefor, and a wireless charging device having the same. The wireless charging device according to the embodiment comprises: a first insulation layer; a coil unit arranged on the first insulation layer, and including a coil wound a plurality of times from the inner side end to the outer side end thereof; a first terminal arranged on the first insulation layer; a first lead unit for connecting the outer side end of the coil unit with the first terminal; a second terminal arranged on the first insulation layer; a second insulation layer arranged on the coil unit; and a connecting unit arranged on the second insulation layer and connecting the inner side end of the coil unit with the second terminal, wherein the second insulation layer includes a first through-hole unit and a second through-hole unit, the connecting unit is connected with the inner side end of the coil unit through the first through-hole unit, the connecting unit is connected with the second terminal through the second through-hole unit, and the connecting unit can comprise a first conductive pattern including silver and a second conductive pattern including copper on the first conductive pattern.

OH SAE WON (KR)
KIM YOUNG HWAN (KR)

PCT/KR2018/012172

May 09, 2019

October 16, 2018

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LG INNOTEK CO LTD (KR)

H01F38/14; H01F27/28; H01F27/29; H02J50/12

JP2016539516A	2016-12-15
KR101431983B1	2014-08-20
KR20130088858A	2013-08-08
KR20140111799A	2014-09-22
KR20150011604A	2015-02-02

HAW, Yong Noke (KR)

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