公开(公告)号：US20210091601A1

公开(公告)日：2021-03-25

申请号：US17028733

申请日：2020-09-22

Applicant: LG ELECTRONICS INC.

Inventor： Sungkyu KIM ,  Bongsik KWAK ,  Hyunggeol KWAK ,  Seonghun LEE

IPC: H02J50/12 ,  H02J50/40 ,  H04B5/00

Abstract: A wireless power transmitter can include a power transmitter including a plurality of first transmitting coils and a second transmitting coil; and a controller, in which the plurality of first transmitting coils are disposed on a same plane, the second transmitting coil is disposed on a different plane than the plurality of first transmitting coils, the second transmitting coil is disposed at a center of a region corresponding to the plurality of first transmitting coils, an area of a region corresponding to the second transmitting coil is smaller than an area of the region corresponding to the plurality of first transmitting coils, and the controller is configured to transmit power to a wireless power receiver through the plurality of first transmitting coils and the second transmitting coil when a receiving coil in the wireless power receiver is of a first type, and transmit power to the wireless power receiver through the second transmitting coil when the type of the receiving coil is of a second type.

公开(公告)号：US20220158493A1

公开(公告)日：2022-05-19

申请号：US17593261

申请日：2020-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyengcheul CHOI ,  Bongsik KWAK ,  Hyunggeol KWAK ,  Sungkyu KIM ,  Jonggu KIM ,  Jinhong KIM ,  Sooyong PARK ,  Yongcheol PARK ,  Joonho PARK ,  Seonghun LEE

IPC: H02J50/12 ,  H04B5/00 ,  H02J50/80

Abstract: The present specification relates to a wireless power receiving device, receiving method, and receiving system, the device comprising individual rectifiers for each receiving coil, wherein the individual rectifiers comprise isolators for isolating a receiving coil for PC0 from a receiving coil for PC1.