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1.发明申请公开(公告)号：US20200280211A1
公开(公告)日：2020-09-03
申请号：US16879194
申请日：2020-05-20
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: A method of supplying power in a wireless power receiver can include receiving an AC power via a reception coil in the wireless power receiver; rectifying the AC power to a DC power; transferring the DC power to a load during a charging mode when a voltage of the DC power is equal to or greater than a first threshold voltage corresponding to a target charging power for charging the load; and when the DC power being transferred to the load is less than the target charging power, maintaining the load in the charging mode while the voltage of the DC power is equal to or greater than a second threshold voltage in a state of the charging mode, in which the first threshold voltage is greater than the second threshold voltage.
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公开(公告)号：US20190058358A1
公开(公告)日：2019-02-21
申请号：US16068802
申请日：2016-12-21
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: The present invention relates to a wireless power supply apparatus comprising: n transmission coil(s) for transmitting a magnetic field; a frequency generation unit for supplying an AC signal having a predetermined operation frequency; n inverter buffer(s) for a transition of the phase of the AC signal, a master control unit for activating or inactivating the inverter buffer(s); n+1 amplifier(s) for amplifying the AC signal; and n+1 gate driver(s) for controlling the amplifier(s) on the basis of the phase of the inputted AC signal.
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公开(公告)号：US20180226829A1
公开(公告)日：2018-08-09
申请号：US15749851
申请日：2016-08-01
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J7/025 , H02J7/02 , H02J7/04 , H02J50/12 , H02J50/40 , H02J50/60 , H02J50/80
Abstract: The present invention provides a method of driving a wireless power transfer system including a power transfer unit and a plurality of power receiver units. The power transfer unit receives a parameter including information about output voltages of AC/DC converters of the power receiver units and output power of the power receiver units and creates power receiver unit control information including an optimum output control voltage on the basis of the parameter. Further, at least one of the power receive units adjusts an output voltage of a AC/DC converter thereof on the basis the optimum output control voltage.
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公开(公告)号：US20170207636A1
公开(公告)日：2017-07-20
申请号：US15479753
申请日：2017-04-05
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J7/008 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/10 , H02J50/12 , H02J50/90 , H02M7/2176
Abstract: A method of controlling power in a wireless power receiver to wirelessly receive power from a wireless power transmitter and transmit the power to a load, the method comprising of receiving AC power from the wireless power transmitter that receives power from a power supply device, rectifying the AC power to DC power and controlling DC power applied to the load by comparing the DC power with a threshold voltage.
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公开(公告)号：US20160204658A1
公开(公告)日：2016-07-14
申请号：US14913634
申请日：2014-08-19
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: A wireless power reception device that wirelessly receives power from a wireless power transmission device according to an embodiment of the present invention includes a reception coil receiving power from the wireless power transmission device wirelessly through a magnetic field, and a switch connected to one end and the other end of the reception coil, wherein the wireless power reception device controls the operation of the switch according to the frequency band of the power transmitted by the wireless power transmission device.
Abstract translation: 根据本发明的实施例的从无线电力传输装置无线接收电力的无线电力接收装置包括：通过磁场无线地从无线电力传输装置接收电力的接收线圈和连接到一端的开关， 接收线圈的另一端，其中无线电力接收装置根据由无线电力传输装置发送的电力的频带来控制开关的操作。
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Patent Agency Ranking
公开(公告)号：US20150022149A1
公开(公告)日：2015-01-22
申请号：US14507239
申请日：2014-10-06
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02J50/12 , H01F38/14 , H02J1/02 , H02J7/025 , H02J17/00 , H02J50/00 , H02J50/80 , H02M1/14 , H02M7/06 , H02M7/46 , H04B5/00 , H04B5/0037 , H04B5/0087 , H04B5/0093
Abstract: A receiver to wirelessly receive power from a transmitter, and including a receiving unit to receive AC power from the transmitter; a rectifying unit to rectify the received AC power to DC power, a power management unit to manage power to be transferred to a load based on the rectified DC power and a DC-DC converter to supply a DC voltage required by the load, or to the load with the rectified DC power. The power management unit generates and transmits a control signal to adjust the power transferred to the load based on the rectified DC power.
Abstract translation: 一种接收机，用于从发射机无线地接收电力，并且包括接收单元以从所述发射机接收AC电力; 整流单元，用于将接收到的交流电力整流到直流电力;功率管理单元，用于管理基于经整流的直流电力传递到负载的功率;以及DC-DC转换器，用于提供负载所需的直流电压; 负载与整流直流电源。 功率管理单元生成并发送控制信号，以根据整流的直流电力来调整传送到负载的功率。
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公开(公告)号：US20130313911A1
公开(公告)日：2013-11-28
申请号：US13902141
申请日：2013-05-24
Applicant: LG INNOTEK CO., LTD
Inventor： Su Ho BAE
IPC: H01F38/14
Abstract: Disclosed is a power supply apparatus of a wireless power transmitting apparatus wirelessly transmitting power to a wireless power receiving apparatus. The power supply apparatus includes a power supply to supply DC power, an oscillator to generate an AC signal having a predetermined frequency and an AC power generator to generate AC power using the AC signal and the DC power. The power supply apparatus controls an operating time of the AC power generator to adjust the power supplied to the wireless power transmitting apparatus.
Abstract translation: 公开了一种向无线电力接收装置无线发送电力的无线电力发送装置的电力供给装置。 电力供给装置具备供给直流电力的电源，产生具有预定频率的交流信号的振荡器和交流发电机，利用交流信号和直流电力产生交流电力。 电力供给装置控制交流发电机的运转时间，调整供给无线电力发送装置的电力。
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公开(公告)号：US20130106197A1
公开(公告)日：2013-05-02
申请号：US13663995
申请日：2012-10-30
Applicant: LG Innotek Co., Ltd.
Inventor： Su Ho BAE , Ki Min LEE
IPC: H02J17/00
CPC classification number: H02J50/12 , H02J50/40 , H02J50/90 , H04B5/0037 , H04B5/0087
Abstract: Disclosed are a wireless power transmitter and a power transmission method thereof. The wireless power transmitter includes a plurality of transmission resonance units, a detection power applying unit applying detection power to the transmission resonance units to detect a location of the wireless power receiver, and a current measuring unit measuring current generating from an inner part of the wireless power transmitter based on the applied detection power. The wireless power transmitter transmits the power through at least one transmitting resonance unit corresponding to the location of the wireless power receiver based on the measured current.
Abstract translation: 公开了一种无线电力发射机及其电力传输方法。 无线电力发射机包括多个发送谐振单元，检测功率施加单元，向发送谐振单元应用检测功率，以检测无线电力接收机的位置;以及电流测量单元，测量从无线的内部产生的电流 功率变送器基于应用检测功率。 无线电力发射机基于测量的电流，通过与无线电力接收机的位置对应的至少一个发射谐振单元发射电力。
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公开(公告)号：US20230291300A1
公开(公告)日：2023-09-14
申请号：US17918719
申请日：2021-04-08
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
CPC classification number: H02M1/083 , H02M3/33573 , H02M3/33576 , H02M1/0058 , H02M1/0009
Abstract: According to one embodiment of the present invention, a zero voltage switching circuit comprises: a zero voltage switching unit which forms a full-bridge circuit at the primary side of a converter and comprises a plurality of switches for zero voltage switching; an adjustable inductor which performs zero voltage switching in resonance with a parasitic capacitor of the zero voltage switching unit, and is adjusted according to control of a control unit; and the control unit which controls inductance of the adjustable inductor according to an input voltage of the zero voltage switching unit or an electric current flowing in the adjustable inductor.
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公开(公告)号：US20190148971A1
公开(公告)日：2019-05-16
申请号：US16312902
申请日：2017-05-24
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE
Abstract: An electromagnetic resonance-type wireless power transmitter according to one embodiment of the present invention may comprise: a power conversion unit including a converter capable of converting a voltage received from a power supply unit into a particular voltage; a power transmission unit including a wireless power transmission coil for receiving the particular voltage from the power conversion unit and wirelessly transmitting power, using a particular resonance frequency; a communication unit capable of performing data communication with a wireless power receiver; and a control unit for controlling the power conversion unit, the power transmission unit, and the communication unit, wherein the wireless power transmission coil may comprise an outer coil part having a first loop shape, and an inner coil part disposed within the first loop shape and having a second loop shape, the direction of a current flowing through the outer coil part may be opposite to that of a current flowing through the inner coil part adjacent to the outer coil part, and the direction of a magnetic field generated by the outer coil part may be identical to that of a magnetic field generated by the inner coil part in a first area between the outer coil part and the inner coil part adjacent to the outer coil part.
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