公开(公告)号：US11405873B2

公开(公告)日：2022-08-02

申请号：US16494982

申请日：2018-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol Park ,  Jaeyeol Kim ,  Joonho Park ,  Jeongkyo Seo ,  Gyunghwan Yook ,  Jaesung Lee

IPC: H02J50/80 ,  H02J7/00 ,  G06F21/44 ,  H04W52/28 ,  H04W52/22 ,  H04W52/34

Abstract: The present invention relates to a device and a method for performing authentication in a wireless power transmission system. Disclosed in the present specification is an authentication method in a wireless power transmission system, comprising the steps of: receiving, from a target device, a first packet including indication information related to whether the target device supports an authentication function; transmitting an authentication request message to the target device if the target device supports the authentication function; receiving, from the target device, an authentication response message including a certificate for wireless charging in response to the authentication request message; and confirming the authentication of the target device on the basis of the authentication response message.

公开(公告)号：US11108280B2

公开(公告)日：2021-08-31

申请号：US16859519

申请日：2020-04-27

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol Park ,  Jeongkyo Seo ,  Seonghun Lee ,  Bongsik Kwak ,  Jaesung Lee

IPC: H02J7/00 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02 ,  H02J5/00 ,  H04B5/00 ,  H04L1/00 ,  H04L27/10 ,  H04L5/14 ,  H04L1/18

Abstract: A communication method of a wireless power receiver for receiving power in a wireless manner, includes generating information of the wireless power receiver based on a load modulation within a slot being allocated to the wireless power receiver while wireless power is received from a wireless power transmitter; receiving the wireless power from to the wireless power transmitter; generating first information of the wireless power receiver based on the load modulation within a first unallocated slot among the plurality of slots, wherein the first information is in collision with second information generated by another wireless power receiver; demodulating a collision related signal of the wireless power transmitter based on a frequency shift keying (FSK); and executing a collision resolution mechanism.

公开(公告)号：US11005299B2

公开(公告)日：2021-05-11

申请号：US16450263

申请日：2019-06-24

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo Park ,  Jeongkyo Seo ,  Beomseok Chae ,  Jaesung Lee ,  Jihyun Lee

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J5/00 ,  H01F38/14 ,  B60L53/38 ,  B60L53/122 ,  B60L53/124 ,  B60L53/126 ,  H02J7/02 ,  H02J50/90

Abstract: A wireless power transmitter that transfers power to a wireless power receiver includes a coil assembly comprising first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; a series capacitance; a shielding extending to at least 2 mm beyond an outer boundary of the coil assembly, has a thickness of at least 1.5 mm and being composed of Mn—Zn; and a full-bridge inverter driving each of coils included in the coil assembly individually.

公开(公告)号：US10673286B2

公开(公告)日：2020-06-02

申请号：US16184604

申请日：2018-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol Park ,  Jeongkyo Seo ,  Seonghun Lee ,  Bongsik Kwak ,  Jaesung Lee

IPC: H02J7/00 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02 ,  H02J5/00 ,  H04B5/00 ,  H04L1/00 ,  H04L27/10 ,  H04L5/14 ,  H04L1/18

Abstract: A communication method of a wireless power transmitter for transferring power in a wireless manner, includes allocating a slot among a plurality of slots to a first wireless power receiver, the slot being allocated to the first wireless power receiver for acquiring information of the first wireless power receiver while wireless power is transferred to the first wireless power receiver; transferring the wireless power to the first wireless power receiver by the wireless power transmitter; detecting a second wireless power receiver by the wireless power transmitter during the wireless power transfer to the first wireless power receiver; and generating a collision related signal based on a frequency shift keying (FSK) such that a collision resolution mechanism is executed by each of the first and second wireless power receivers respectively when first information generated by the first wireless power and second information generated by the second wireless power are in a collision within a first unallocated slot among the plurality of slots, the first information and the second information being generated based on a load modulation.

公开(公告)号：US10327119B2

公开(公告)日：2019-06-18

申请号：US15739021

申请日：2015-12-02

Applicant: LG ELECTRONICS INC.

Inventor： Minho Park ,  Jeongkyo Seo ,  Jaesung Lee ,  Juhnho Park

IPC: H04N5/00 ,  H04W4/40 ,  H02J7/02 ,  H04W88/04 ,  H04W88/06 ,  H04W4/80 ,  H04B5/00 ,  H02J7/00

Abstract: The present invention relates to: a vehicle capable of providing a wireless vehicle communication (V2X) service by using a mobile terminal without comprising a wireless communication module; a control method therefor; and a mobile terminal for the same. A method by which a mobile terminal provides V2X, related to one embodiment of the present invention, can comprise the steps of: acquiring, by the mobile terminal, vehicle information from a vehicle through near-field communication (NFC); and relaying V2X data between individuals outside of the vehicle by using a mobile communication module on the basis of the acquired vehicle information.

公开(公告)号：US10193387B2

公开(公告)日：2019-01-29

申请号：US15123836

申请日：2015-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jaesung Lee ,  Jinmoo Park ,  Jihyun Lee

IPC: H02J50/10 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H02J50/12 ,  H02J50/60 ,  H02J7/02

Abstract: A wireless power transmission device is disclosed. The wireless power transmission device, which is a medium-power wireless power transmission device that transmits power to a low-power wireless power reception device or a medium-power wireless power reception device, includes: a power conversion unit that converts electrical energy to a power signal; and a communications and control unit that communicates with the wireless power reception device and controls power transfer, the power conversion unit including: an inverter that converts DC input to an AC waveform that drives a resonant circuit; a primary coil that creates a magnetic field; and a current sensor that monitors the current in the primary coil, wherein the inverter operates in a full-bridge mode that drives a plurality of bridges or in a half-bridge mode that drives a single bridge.

公开(公告)号：US10177592B2

公开(公告)日：2019-01-08

申请号：US15303413

申请日：2015-04-10

Applicant: LG ELECTRONICS INC.

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

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

Abstract: 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：US10164482B2

公开(公告)日：2018-12-25

申请号：US15024243

申请日：2014-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol Park ,  Jeongkyo Seo ,  Seonghun Lee ,  Bongsik Kwak ,  Jaesung Lee

IPC: H02J7/00 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02 ,  H02J5/00 ,  H04B5/00 ,  H04L1/00 ,  H04L27/10 ,  H04L5/14 ,  H04L1/18

Abstract: The present invention relates to a wireless power transmission method, a wireless power transmission apparatus, and a wireless charging system in a wireless power transmission field, and the wireless power transmission method may include receiving first information of a first wireless power receiver and second information of a second wireless power receiver that receive power in a wireless manner within a first slot among a plurality of slots, transmitting a NAK (not-acknowledge) signal to the first and the second wireless power receiver and executing a collision resolution mechanism in the first and the second wireless power receiver.

公开(公告)号：US09997951B2

公开(公告)日：2018-06-12

申请号：US15018946

申请日：2016-02-09

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Hyunbeom Lee ,  Yongcheol Park ,  Jaesung Lee

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

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

Abstract: 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：US09413175B2

公开(公告)日：2016-08-09

申请号：US14293797

申请日：2014-06-02

Applicant: LG ELECTRONICS INC.

Inventor： Jinmoo Park ,  Jaesung Lee ,  Jihyun Lee ,  Jeongkyo Seo ,  Homan Park

IPC: H02J7/00 ,  H02J5/00 ,  H02J7/02 ,  H04B7/24 ,  H04B5/00 ,  H02J7/04 ,  H01F38/14

CPC classification number: H02J50/12 ,  H01F38/14 ,  H01F2038/146 ,  H02J5/005 ,  H02J7/025 ,  H02J7/04 ,  H02J50/40 ,  H02J50/60 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H04B5/0037 ,  H04B7/24

Abstract: The present disclosure relates to a wireless power transfer method, a wireless power transmitter and a wireless charging system in a wireless power transfer field. That is, a wireless power transmitter configured transfer power to a wireless power receiver in a wireless manner, the transmitter configured to a first coil configured to convert a current into a magnetic flux, a second coil configured to be adjacent to the first coil on a plane, a third coil configured to have a different shape from the first and second coils and have at least part thereof which overlaps the first and second coils, respectively, and a controller configured to determine a coil to be activated among the first, second and third coils.

Abstract translation: 本公开涉及无线电力传输方法，无线电力发射机和无线电力传输领域中的无线充电系统。 也就是说，无线电力发射机被配置为以无线方式向无线电力接收机传送电力，发射机被配置成被配置为将电流转换成磁通量的第一线圈，被配置为与第一线圈相邻的第二线圈 平面，第三线圈，其被配置为具有与所述第一和第二线圈不同的形状，并且其至少部分分别与所述第一和第二线圈重叠，以及控制器，被配置为确定在所述第一和第二线圈之间被激活的线圈， 第三圈。