Title:
WIRELESS POWER TRANSMISSION DEVICE, WIRELESS POWER RECEPTION DEVICE, AND WIRELESS CHARGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/070614
Kind Code:
A1
Abstract:
The present invention relates to a wireless power transmission device formed so as to wirelessly transmit power to a wireless power reception device, wherein the wireless power transmission device comprises: a first coil formed so as to transform a current into a magnetic field; and a first metal member formed so as to cover at least a portion of the first coil, and, in the present invention, the first metal member changes an emission direction of a magnetic field formed in the first coil so as to allow the power to reach the wireless power reception device which is positioned on a side surface of the wireless power transmission device.
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Inventors:
HAN KIWON (KR)
SEO DONGHYUN (KR)
PARK JUN (KR)
HWANG WONJI (KR)
SEO DONGHYUN (KR)
PARK JUN (KR)
HWANG WONJI (KR)
Application Number:
PCT/KR2016/015111
Publication Date:
April 19, 2018
Filing Date:
December 22, 2016
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02J50/12; H01F38/14; H02J7/02
Domestic Patent References:
| WO2015125295A1 | 2015-08-27 | |||
| WO2012086280A1 | 2012-06-28 |
Foreign References:
| KR20160039778A | 2016-04-12 | |||
| KR20160016551A | 2016-02-15 | |||
| KR20140129930A | 2014-11-07 |
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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