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公开(公告)号：US10910878B2
公开(公告)日：2021-02-02
申请号：US16215080
申请日：2018-12-10
Applicant: LG ELECTRONICS INC.
Inventor： Jaesung Lee , Jinmoo Park , Jihyun Lee
Abstract: A wireless power transfer device includes an inverter configured to convert DC input to an AC waveform that drives a resonant circuit, a primary coil configured to generate a magnetic field, a shield material placed below the primary coil, a current sensor configured to monitor current in the primary coil, and a communications and control unit configured to communicate with a wireless power receiver device and control power transfer, wherein the primary coil consists of a single layer of which a number of turns is 12, and consists of 105 strands Litz wire of which the diameter is 0.08 mm, wherein the shield material is at least 1.5 mm thick and extends at least 2.5 mm beyond the outside of the primary coil, and wherein the primary coil and the shield material has a self-inductance 10.0 μH.
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公开(公告)号：US10135260B2
公开(公告)日：2018-11-20
申请号：US15047441
申请日：2016-02-18
Applicant: LG ELECTRONICS INC.
Inventor： Jaesung Lee , Yongcheol Park , Jun Lee
IPC: H01F27/42 , H01F38/00 , H01F37/00 , H02J5/00 , H02J50/80 , H02J50/90 , H02J7/00 , H02J7/02 , H02J50/12
Abstract: A wireless power transmitter is provided that includes a power conversion unit configured to form a wireless power signal for power transmission, and a power transmission control unit. The power transmission control unit is configured to control the power conversion unit to receive a first packet from a first wireless power receiver and a second packet from a second wireless power receiver in the same time slot, detect a collision between the first packet and the second packet, and control the power conversion unit to receive at least one of the first packet from the first wireless power receiver and the second packet from the second wireless power receiver in at least one time slot if the collision is detected at the same time slot.
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公开(公告)号：US09919611B2
公开(公告)日：2018-03-20
申请号：US14671674
申请日：2015-03-27
Applicant: LG ELECTRONICS INC.
Inventor： Sungmin Kim , Jaesung Lee , Jonghun Song , Younsun Kim
CPC classification number: B60L11/1835 , B60L11/182 , B60L2250/16 , B62D15/028 , Y02T10/7005 , Y02T10/7072 , Y02T90/12 , Y02T90/121 , Y02T90/122 , Y02T90/125 , Y02T90/14 , Y10S903/903
Abstract: A vehicle charge assistance device and a vehicle including the same are disclosed. The vehicle charge assistance device includes at least one camera mounted on a vehicle, an antenna to detect a magnetic field from a charging device, and a processor to control movement of the vehicle. The processor may generate a vehicle movement direction signal based on an object associated with the charging device in an image from the at least one camera and generate a guide signal to adjust a position of the vehicle based on the magnetic field after movement of the vehicle according to the vehicle movement direction signal. Consequently, it is possible to easily and conveniently move the vehicle to the charge system.
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公开(公告)号：US09660486B2
公开(公告)日：2017-05-23
申请号：US14400265
申请日：2013-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jaesung Lee , Seonghun Lee , Yongcheol Park , Bongsik Kwak , Jeongkyo Seo , Hyunbeom Lee
CPC classification number: H02J50/12 , H01F38/14 , H02J5/005 , H02J7/0004 , H02J7/025 , H02J17/00 , H02J50/40 , H02J50/80 , H02J50/90
Abstract: The present specification provides a wireless power transfer device formed to transmit power to a wireless power reception device, and a power transfer unit in the wireless power transfer device comprises: a first coil formed to generate a magnetic field so as to transmit power in an induction scheme; and a second coil wound around the first coil and formed to generate a magnetic field vibrating at a resonance frequency so as to transmit power in a resonance scheme.
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5.发明授权Wireless power transfer method, apparatus and system for low and medium power 有权无线电力传输方法，中低功率的装置和系统公开(公告)号：US09287039B2
公开(公告)日：2016-03-15
申请号：US13936897
申请日：2013-07-08
Applicant: LG ELECTRONICS INC.
Inventor： Jihyun Lee , Hyunbeom Lee , Yongcheol Park , Jaesung Lee
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.
Abstract translation: 一种使用全半桥逆变器拓扑结构的无线功率传输装置的无线功率传输方法，包括：检测在无线传输方式的功率范围内是否存在无线电力接收机，向无线电力发送检测信号 接收器，从无线电力接收器接收识别信息和设置信息中的至少一个，从无线电力接收器接收控制错误分组，以及通过使用驱动频率，占空比的组合来控制要传送的功率量 或电源信号相位到全桥或半桥逆变器。
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Patent Agency Ranking
公开(公告)号：US20150137746A1
公开(公告)日：2015-05-21
申请号：US14400265
申请日：2013-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Jaesung Lee , Seonghun Lee , Yongcheol Park , Bongsik Kwak , Jeongkyo Seo , Hyunbeom Lee
CPC classification number: H02J50/12 , H01F38/14 , H02J5/005 , H02J7/0004 , H02J7/025 , H02J17/00 , H02J50/40 , H02J50/80 , H02J50/90
Abstract: The present specification provides a wireless power transfer device formed to transmit power to a wireless power reception device, and a power transfer unit in the wireless power transfer device comprises: a first coil formed to generate a magnetic field so as to transmit power in an induction scheme; and a second coil wound around the first coil and formed to generate a magnetic field vibrating at a resonance frequency so as to transmit power in a resonance scheme.
Abstract translation: 本说明书提供了一种形成为向无线电力接收装置发送功率的无线电力传送装置，无线电力传送装置中的电力传送装置包括：第一线圈，其被形成为产生磁场，以便在感应中发射功率 方案; 以及缠绕在第一线圈上并形成为产生以共振频率振动以便以谐振方案发送功率的磁场的第二线圈。
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公开(公告)号：US11664852B2
公开(公告)日：2023-05-30
申请号：US17853137
申请日：2022-06-29
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park , Jaeyeol Kim , Joonho Park , Jeongkyo Seo , Gyunghwan Yook , Jaesung Lee
IPC: H02J50/80 , H02J7/00 , G06F21/44 , H04W52/22 , H04W52/28 , H04W52/34 , H04B5/00 , H02J50/00 , H02J50/40 , H02J50/50 , H02J50/10 , H02J50/12 , H02J50/60
CPC classification number: H04B5/0037 , G06F21/445 , H02J7/00034 , H02J7/00045 , H02J50/80 , H04W52/223 , H04W52/286 , H04W52/34 , H02J7/00032 , H02J50/005 , H02J50/10 , H02J50/12 , H02J50/40 , H02J50/50 , H02J50/60
Abstract: A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.
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公开(公告)号：US11271436B2
公开(公告)日：2022-03-08
申请号：US16627200
申请日：2018-06-28
Applicant: LG Electronics Inc.
Inventor： Sungkyu Kim , Jeongkyo Seo , Jinmoo Park , Seonghun Lee , Bongsik Kwak , Jaesung Lee , Jihyun Lee , Gyunghwan Yook , Joonho Park , Youngchan Cho
IPC: H02J50/80 , H02J50/12 , H01F38/14 , H02J50/40 , H02J50/60 , H02J7/02 , H04B5/00 , H02J50/90 , H04L27/02
Abstract: A multi-coil based wireless power transmission device is disclosed that includes a primary coil array forming a magnetic coupling with a secondary coil provided in a wireless power reception device to transmit wireless power to the wireless power reception device; a plurality of inverters connected to a plurality of primary coils one-to-one to selectively drive each of the plurality of primary coils; a communication and control unit controlling the plurality of inverters and communication with the wireless power reception device such that at least one primary coil is driven based on the degree of magnetic coupling formed by each primary coil and the secondary coil, thereby determining output, which can be provided by the primary coil array, within a value obtained by summing all the maximum outputs individually set to the respective primary coils.
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公开(公告)号：US10892648B2
公开(公告)日：2021-01-12
申请号：US16519447
申请日：2019-07-23
Applicant: LG ELECTRONICS INC.
Inventor： Jihyun Lee , Hyunbeom Lee , Yongcheol Park , Jaesung Lee
IPC: H02J50/12 , H02J7/02 , H02J50/80 , H02J50/10 , H02J7/04 , H02J50/90 , H01F38/14 , H02J5/00 , H02J7/00 , H04B5/00
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.
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公开(公告)号：US10805888B2
公开(公告)日：2020-10-13
申请号：US16857895
申请日：2020-04-24
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park , Jaeyeol Kim , Joonho Park , Jeongkyo Seo , Gyunghwan Yook , Jaesung Lee
Abstract: A method for performing authentication of a target device in a wireless power transmission system, includes receiving, from the target device, a first packet including indication information related to whether or not the target device supports an authentication function; in case the target device supports the authentication function, transmitting an authentication request message to the target device; and receiving, from the target device, an authentication response message including a certificate related to wireless charging as a response to the authentication request message, wherein a format of the certificate includes a certificate type that informs whether the certificate is one of a plurality of certificates including a root certificate, an intermediate certificate and a final certificate for a wireless power transmitter (PTX).
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