Title:
WIRELESS CHARGING DEVICE CAPABLE OF HOLDING USER TERMINAL IN VARIOUS DIRECTIONS AND AT VARIOUS ANGLES
Document Type and Number:
WIPO Patent Application WO/2021/137311
Kind Code:
A1
Abstract:
The present invention relates to a wireless charging device which can change the direction of a magnetic field, generated in a transmission coil, through a vertically and horizontally rotatable repeater, and can hold a user terminal in parallel with the repeater, thereby transmitting wireless power in various directions and at various angles. A wireless charging device according to an embodiment of the present invention comprises: a case; a flat plate core disposed in the case; multiple transmission coils arranged parallel to each other on the flat plate core; a terminal holder including a repeater therein and disposed on the top surface of the case while sloping with respect to the top surface of the case; and a moving member for moving the terminal holder in the direction in which the transmission coils are arranged.
Inventors:
KIM KYUNGHWAN (KR)
LEE SEONG HUN (KR)
YUK GYUNGHWAN (KR)
KIM HYOUNG SEOK (KR)
KIM HWANYONG (KR)
LEE SEONG HUN (KR)
YUK GYUNGHWAN (KR)
KIM HYOUNG SEOK (KR)
KIM HWANYONG (KR)
Application Number:
PCT/KR2019/018736
Publication Date:
July 08, 2021
Filing Date:
December 30, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02J50/40; H01F38/14; H02J7/00; H02J50/50; H04M1/04
Foreign References:
| KR20180074372A | 2018-07-03 | |||
| KR101944856B1 | 2019-02-07 | |||
| KR20180107603A | 2018-10-02 | |||
| US20180358826A1 | 2018-12-13 | |||
| US20150077927A1 | 2015-03-19 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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