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公开(公告)号：US09793763B2
公开(公告)日：2017-10-17
申请号：US15381361
申请日：2016-12-16
申请人： LG ELECTRONICS INC.
发明人： Seonghun Lee , Byungsang Jung , Hwanyong Kim , Seungje Park , Sangdoo Ha , Yongjun Son , Seonwook Park , Jaesung Yang , Wonbok Lee , Gyoocheol Choi , Joonggil Jeong
CPC分类号： H02J50/12 , F25D11/00 , F25D25/02 , F25D25/024 , F25D27/005 , F25D29/008 , F25D2325/022 , F25D2400/40 , F25D2700/02 , H01F27/2804 , H01F27/365 , H01F38/14
摘要： Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
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公开(公告)号：US11108270B2
公开(公告)日：2021-08-31
申请号：US15775269
申请日：2016-02-18
申请人： LG ELECTRONICS INC.
发明人： Seonghun Lee , Byungsang Jung
摘要： A control method for an inductive power supply (IPS), according to one embodiment of the present invention, can comprise the steps of: applying a ping for sensing an object; measuring a coil current; sensing the object on the basis of the coil current measurement result; transmitting, to the object, the minimum power for waking up a communication unit of the object, wherein the communication unit performs communication by using an out-of band communication protocol; receiving, from the object, pairing information through the out-of band communication protocol so as to perform pairing with the object; and transmitting main power to the paired object.
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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
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.
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公开(公告)号：US10097041B2
公开(公告)日：2018-10-09
申请号：US15029741
申请日：2014-09-23
申请人： LG ELECTRONICS INC.
发明人： Byungsang Jung , Beomseok Chae , Yongcheol Park , Kyunghwan Kim
摘要： The present specification which relates to a wireless power transmission device and a control method, capable of transmitting and receiving power wirelessly comprises a power supply unit for supplying power to a receiving device to transmit power wirelessly; and a power transmission control unit for, periodically generating a waveform with a particular frequency, measuring an attenuation coefficient of the waveform at each cycle, measuring a variation in the attenuation coefficient at each cycle, and determining the type of an external material. The present invention has a technical feature wherein the power transmission control unit determines whether to transmit power wirelessly to the receiving device on the basis of the type of the external material.
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公开(公告)号：US09821672B2
公开(公告)日：2017-11-21
申请号：US14770041
申请日：2014-02-28
申请人： LG ELECTRONICS INC.
发明人： Beomseok Chae , Jeongeon Park , Kihyun Jung , Jeongkyo Seo , Byungsang Jung
CPC分类号： B60L11/182 , B60L1/006 , H01F27/24 , H01F38/14 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/12 , H02J50/40 , H02J50/80 , H02J50/90 , Y02T10/7005 , Y02T10/7072 , Y02T90/122 , Y02T90/14
摘要： An electronic device according to an embodiment of the present invention is configured to wirelessly receive electric power from a wireless electric power transfer device. A power reception unit of the electronic device comprises: a core having a predetermined length and having magnetic flux concentration portions formed at lengthwise side portions thereof; and a coil wound along an outer periphery of the core to form magnetic flux density in the magnetic flux concentration portions, the magnetic flux density having a magnitude equal to or larger than a predetermined value.
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公开(公告)号：US11924949B2
公开(公告)日：2024-03-05
申请号：US17257115
申请日：2019-06-11
申请人： LG ELECTRONICS INC.
发明人： Byungsang Jung , Gyunghwan Yuk , Seong Hun Lee
CPC分类号： H05B6/062 , F24C7/083 , H05B1/0266 , H05B6/12
摘要： The present disclosure relates to an induction heating device comprising: a heating coil provided in a main body; a knob switch, detachable from and attachable to a knob area formed on one surface of the main body, for adjusting a heating power of the heating coil by rotation when attached to the knob area; a resonance detecting unit for outputting a frequency pulse corresponding to an impedance inflection point that varies according to a degree of rotation of the knob switch; and a controller for controlling the heating power of the heating coil according to the frequency pulse.
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公开(公告)号：US10312737B2
公开(公告)日：2019-06-04
申请号：US15460567
申请日：2017-03-16
申请人： LG ELECTRONICS INC.
发明人： Byungsang Jung , Seonghun Lee , Hwanyong Kim , Seonwook Park , Seungje Park , Yongjun Son , Jaesung Yang , Gyoocheol Choi
摘要： A wireless power transmission system using multiple coils comprises a transmitter; and a receiver, wherein the transmitter includes a module for receiving a predetermined voltage, and a primary coil for generating a primary resonance frequency in accordance with the received voltage. The receiver spaced apart from the transmitter includes a load for emitting light, capacitors connected in series or in parallel in accordance with an equivalent resistance of the load, and a secondary coil for generating a secondary resonance frequency greater than the primary resonance frequency.
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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
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.
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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.
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公开(公告)号：US11532954B2
公开(公告)日：2022-12-20
申请号：US17576168
申请日：2022-01-14
申请人： LG Electronics Inc.
发明人： Seonghun Lee , Byungsang Jung , Hwanyong Kim , Seungje Park , Sangdoo Ha , Yongjun Son , Seonwook Park , Jaesung Yang , Wonbok Lee , Gyoocheol Choi , Joonggil Jeong
IPC分类号： H02J50/12 , H01F27/36 , F25D11/00 , F25D25/02 , F25D27/00 , F25D29/00 , H01F38/14 , H01F27/28
摘要： Disclosed is a refrigerator for uniformly illuminating an inner space thereof. The refrigerator includes a cabinet including a storage compartment having a predetermined size, a shelf installed in the storage compartment, the shelf including a light source unit for illuminating an inside of the storage compartment, a transmitter connected to an external power supply for wirelessly transmitting power, the transmitter having a primary resonance frequency within a predetermined range, and a receiver for wirelessly receiving the power from the transmitter so as to supply the power to the light source unit of the shelf, the transmitter transmitting the power to the receiver using a secondary resonance frequency generated when the receiver is located close to the transmitter.
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