公开(公告)号：US10804729B2

公开(公告)日：2020-10-13

申请号：US16204244

申请日：2018-11-29

申请人： LG ELECTRONICS INC.

发明人： Yongcheol Park ,  Hyunbeom Lee ,  Jaesung Lee ,  Byungsang Jung ,  Jinmoo Park ,  Seonghun Lee ,  Jihyun Lee ,  Jeongkyo Seo

IPC分类号： H02J7/02 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H02J50/12 ,  H02J50/90 ,  H02J50/60

摘要： A wireless power transmitter which is capable of charging a plurality of wireless power receivers is discussed. The wireless power transmitter includes a plurality of coil cells, a main half-bridge inverter to which a main pulse signal is applied, a plurality of sub half-bridge inverters to which a first sub pulse signal or a second sub pulse signal is applied, at least one current sensor configured to monitor a current, and a communications and control unit configured to control the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and communicate with the wireless power receivers.

公开(公告)号：US10411517B2

公开(公告)日：2019-09-10

申请号：US15977103

申请日：2018-05-11

申请人： LG ELECTRONICS INC.

发明人： Jihyun Lee ,  Hyunbeom Lee ,  Yongcheol Park ,  Jaesung Lee

IPC分类号： H02J50/12 ,  H01F38/14 ,  H02J50/90 ,  H02J50/10 ,  H02J7/00 ,  H02J5/00 ,  H02J7/04 ,  H02J50/80 ,  H02J7/02 ,  H04B5/00

摘要： A wireless power transfer method for a wireless power transfer apparatus using full and half-bridge inverter topologies includes detecting whether or not a wireless power receiver is present within a range of power being transferrable in a wireless manner, transmitting a detection signal to the wireless power receiver, receiving at least one of identification information and setting information from the wireless power receiver, receiving a control error packet from the wireless power receiver, and controlling an amount of power to be transferred by using the combination of a driving frequency, a duty cycle or a power signal phase to the full or half-bridge inverter.

公开(公告)号：US10256666B2

公开(公告)日：2019-04-09

申请号：US15101826

申请日：2015-02-06

申请人： LG ELECTRONICS INC.

发明人： Byungsang Jung ,  Hyunbeom Lee ,  Seonghun Lee ,  Yongcheol Park

IPC分类号： H02J50/12 ,  H02J7/02 ,  H02J7/04

摘要： The present disclosure relates to a wireless power reception method, a wireless power reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the wireless power reception apparatus may include a power receiving unit configured to change a magnetic flux to a current to receive power in a wireless manner, and a power controller connected to the power receiving unit to change a resonant frequency to control power received from the power receiving unit, wherein the power controller includes a first capacitor, a second capacitor connected to the first capacitor in parallel, a first switch connected to the second capacitor in series to flow a current in a first direction, a second switch configured to flow a current in a second direction opposite to the first direction, and a switch controller configured to control the first and the second switch.

公开(公告)号：US10177592B2

公开(公告)日：2019-01-08

申请号：US15303413

申请日：2015-04-10

申请人： LG ELECTRONICS INC.

发明人： Yongcheol Park ,  Hyunbeom Lee ,  Jaesung Lee ,  Byungsang Jung ,  Jinmoo Park ,  Seonghun Lee ,  Jihyun Lee ,  Jeongkyo Seo

IPC分类号： H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J7/02 ,  H02J17/00 ,  H02J50/80 ,  H02J50/90 ,  H02J50/12 ,  H02J50/60 ,  H02J50/10 ,  H02J50/40

摘要： A wireless power transmitter is disclosed. The wireless power transmitter, which is capable of charging a plurality of wireless power receivers, includes: a plurality of coil cells; a main half-bridge inverter to which a main pulse signal is applied; a plurality of sub half-bridge inverters to which a first sub pulse signal or second sub pulse signal is applied; a current sensor that monitors the current through the coil cells; and a communications and control unit that controls the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and that communicates with the wireless power receivers, wherein the sub half-bridge inverters may be respectively connected to the coil cells.

公开(公告)号：US10079513B2

公开(公告)日：2018-09-18

申请号：US15325367

申请日：2015-06-29

申请人： LG ELECTRONICS INC.

发明人： Yongcheol Park ,  Hyunbeom Lee

IPC分类号： H02J50/12 ,  H02J7/02 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

摘要： The present disclosure relates to a wireless power transfer method, a wireless power transfer apparatus, and a wireless charging system in a wireless power transfer field, and there is provided a communication method of a wireless power transmitter performing communication with at least one wireless power receiver through a plurality of slots, and the method may include allocating any one of the plurality of slots to any one of the at least one wireless power receiver, providing at least one of the plurality of slots to the any one wireless power receiver as locked slots subsequent to the allocation, and receiving information associated with a configuration phase and information associated with a negotiation phase from the any one wireless power receiver within the locked slots.

公开(公告)号：US09997951B2

公开(公告)日：2018-06-12

申请号：US15018946

申请日：2016-02-09

申请人： LG ELECTRONICS INC.

发明人： Jihyun Lee ,  Hyunbeom Lee ,  Yongcheol Park ,  Jaesung Lee

IPC分类号： H02J7/02 ,  H01F38/14 ,  H02J17/00 ,  H02J7/04 ,  H02J50/12 ,  H02J50/90 ,  H02J50/10 ,  H02J50/80 ,  H02J5/00 ,  H04B5/00

CPC分类号： H02J7/025 ,  H01F38/14 ,  H02J5/005 ,  H02J7/042 ,  H02J17/00 ,  H02J50/10 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037

摘要： A wireless power transfer method for a wireless power transfer apparatus using full and half-bridge inverter topologies includes detecting whether or not a wireless power receiver is present within a range of power being transferrable in a wireless manner, transmitting a detection signal to the wireless power receiver, receiving at least one of identification information and setting information from the wireless power receiver, receiving a control error packet from the wireless power receiver, and controlling an amount of power to be transferred by using the combination of a driving frequency, a duty cycle or a power signal phase to the full or half-bridge inverter.

公开(公告)号：US10193398B2

公开(公告)日：2019-01-29

申请号：US15109098

申请日：2015-02-06

申请人： LG ELECTRONICS INC.

发明人： Yongcheol Park ,  Hyunbeom Lee

IPC分类号： H01F27/42 ,  H02J50/80 ,  H02J7/02

摘要： The present disclosure relates to a wireless power transmission and reception method, a wireless power transmission and reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the method may include sensing whether or not there exists a wireless power receiver within a range capable of transmitting power in a wireless manner, sending a detection signal to the wireless power receiver, allowing the wireless power receiver to receive at least one of an identification packet and a setting packet transmitted in a first mode, determining whether or not to perform communication in either one of the first mode and a second mode different from the first mode based on the setting packet, and transmitting power to the wireless power receiver while performing communication in the determined either one mode, wherein the setting packet comprises an operation mode indicating a communication execution mode of the wireless power receiver.

公开(公告)号：US09979236B2

公开(公告)日：2018-05-22

申请号：US14900770

申请日：2014-06-30

申请人： LG ELECTRONICS INC.

发明人： Hyunbeom Lee ,  Kihyun Jung

IPC分类号： H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H02J17/00 ,  H02J5/00 ,  H02J7/02

CPC分类号： H02J50/12 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

摘要： A wireless power transmitter according to one exemplary embodiment of the present disclosure includes a body having a transmitting coil unit embedded therein, and having one surface with a portable electronic device located thereon, the portable electronic device receiving power from the transmitting coil unit in a wireless manner, and a driving unit that is configured to rotate the transmitting coil unit centering on a shaft penetrating through the transmitting coil unit, such that the transmitting coil unit is moved close to a receiving coil unit of the portable electronic device.

公开(公告)号：US09923408B2

公开(公告)日：2018-03-20

申请号：US15277745

申请日：2016-09-27

申请人： LG ELECTRONICS INC.

发明人： Hyunbeom Lee ,  Jaesung Lee ,  Yongcheol Park ,  Jeongkyo Seo

IPC分类号： H04B7/24 ,  H02J7/02 ,  H04B5/00 ,  H02J50/12 ,  H02J50/80

CPC分类号： H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0081

摘要： This specification provides a method for deciding a communication protocol between a wireless power transmitter and a wireless power receiver. To this end, a method for deciding a communication protocol by the wireless power receiver for data transmission or reception with the wireless power transmitter includes transmitting first communication protocol information indicating communication protocols supportable by the wireless power receiver itself to the wireless power transmitter, and deciding a communication protocol for the data transmission or data reception based on second communication protocol information, which indicates communication protocols selected based on the first communication protocol information, when the second communication protocol information is received from the wireless power transmitter.

公开(公告)号：US09887037B2

公开(公告)日：2018-02-06

申请号：US13649936

申请日：2012-10-11

申请人： LG Electronics Inc.

发明人： Hyunbeom Lee ,  Jaesung Lee ,  Yong-Cheol Park ,  Jeongkyo Seo

IPC分类号： H04B7/24 ,  H01F38/14 ,  H04W88/02 ,  H04B5/00

CPC分类号： H01F38/14 ,  H04B5/0037 ,  H04B5/0081 ,  H04W88/02

摘要： This specification provides a method for deciding a communication protocol between a wireless power transmitter and a wireless power receiver. To this end, a method for deciding a communication protocol by the wireless power receiver for data transmission or reception with the wireless power transmitter includes transmitting first communication protocol information indicating communication protocols supportable by the wireless power receiver itself to the wireless power transmitter, and deciding a communication protocol for the data transmission or data reception based on second communication protocol information, which indicates communication protocols selected based on the first communication protocol information, when the second communication protocol information is received from the wireless power transmitter.