公开(公告)号：US11283307B2

公开(公告)日：2022-03-22

申请号：US16686041

申请日：2019-11-15

申请人： LG Electronics Inc.

发明人： Hyengcheul Choi ,  Eunsoo Lee ,  Jaesoon Kwon ,  Hwanyong Kim ,  Sooyong Park ,  Seong Hun Lee ,  Beom Seok Chae

IPC分类号： H02J7/00 ,  H02J50/80 ,  H02J7/02

摘要： Disclosed herein is a wireless power transmitting device that includes a charging module which is configured to transmit a foreign object sensing signal for sensing at least one of a wireless power receiving device and a foreign object on a charging pad, and which is configured to transmit a wireless power signal for charging the wireless power receiving device, and a control module which is configured to control the charging module such that the wireless power signal and the foreign object sensing signal are transmitted, and which is configured to sense at least one of the foreign object and the wireless power receiving device, based on an output voltage sensed by the charging module, after the foreign object sensing signal is transmitted.

公开(公告)号：US11469621B2

公开(公告)日：2022-10-11

申请号：US16707207

申请日：2019-12-09

申请人： LG ELECTRONICS INC.

发明人： Eunsoo Lee ,  Jaesoon Kwon ,  Hwanyong Kim ,  Sooyong Park ,  Beom Seok Chae ,  Hyengcheul Choi ,  Seong Hun Lee

IPC分类号： H02J7/00 ,  H02J50/40 ,  H01F38/14 ,  H02J7/02

摘要： Provided are a wireless charging apparatus in which multiple coils overlaps with one another on separated cores, and a wireless charging system including such wireless charging apparatus. According to an embodiment of the present disclosure, the wireless charging apparatus includes a plurality of plate coils spaced apart from one another, a first coil disposed on the plurality plate coils, and a second coil disposed on the first coil to partially overlap with the first coil.

公开(公告)号：US11437860B2

公开(公告)日：2022-09-06

申请号：US16727040

申请日：2019-12-26

申请人： LG ELECTRONICS INC.

发明人： Jaesoon Kwon ,  Hwanyong Kim ,  Beom Seok Chae ,  Sooyong Park ,  Seong Hun Lee ,  Eunsoo Lee ,  Hyengcheul Choi

IPC分类号： H02J50/00 ,  H02J50/40 ,  H02J50/90 ,  H01F27/32 ,  H01F38/14 ,  H02J7/02

摘要： The present disclosure provides a wireless charging device in which multiple coils are overlapped with one another on separated cores. According to an embodiment of the present disclosure, the wireless charging device includes two flat cores spaced apart from each other, and a first layer coil to a fourth layer coil disposed above the two plate cores and disposed on different layers from one another and overlapped with one another, so that the multiple cores are overlapped with one another on the separated cores.