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1. 发明授权

US11626758B2 Wireless power transmitter and receiver for vehicle 有权
公开(公告)号：US11626758B2
公开(公告)日：2023-04-11
申请号：US17244562
申请日：2021-04-29
申请人： LG ELECTRONICS INC.
发明人： Jinmoo Park , Jeongkyo Seo , Beomseok Chae , Jaesung Lee , Jihyun Lee
IPC分类号： H02J50/12 , H01F38/14 , B60L53/38 , B60L53/122 , B60L53/124 , B60L53/126 , H02J7/00 , H02J50/90
摘要： A wireless power transmitter configured to transfer power to a wireless power receiver, including 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; and a full-bridge inverter. The first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, wherein the top coil lies on a plane surface in the middle between the first and second bottom coils, a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 21 mm to 25 mm, the first and second bottom coils have a height of 48 mm to 50 mm and a width of 43 mm to 45 mm, and the through hole in the first and second bottom coils has a height of 25 mm to 27 mm and a width of 21 mm to 23 mm, the top coil has a height of 45 mm to 47 mm and a width of 48.5 mm to 50.5 mm, and the through hole in the top coil has a height of 20 mm to 22 mm and a width of 24.5 mm to 26.5 mm, the first and second bottom coils and the top coil have a thickness of 0.9 mm to 1.3 mm, the wireless power transmitter uses an input voltage of the full-bridge inverter to control an amount of power which is transferred, the input voltage has a range of 1 V to 18 V, wherein an operating frequency to control the amount of the power is within a range of 140 kHz to 150 kHz, and the first and second bottom coils and the top coil have a inductance value within a range of 10.6 μH to 12.0 μH.

2. 发明授权

US11546865B2 Method for transmitting synchronisation reference signal for device-to-device (D2D) communication in wireless communication system and apparatus therefor 有权
公开(公告)号：US11546865B2
公开(公告)日：2023-01-03
申请号：US17109920
申请日：2020-12-02
申请人： LG ELECTRONICS INC.
发明人： Seungmin Lee , Hanbyul Seo , Jihyun Lee
IPC分类号： H04W56/00 , H04L5/00 , H04W72/04
摘要： The present invention relates to a method for receiving a synchronisation reference signal for device-to-device (D2D) communication by a first terminal in a wireless communication system and an apparatus therefor. More specifically, the present invention comprises a step of receiving a plurality of synchronisation reference signals including a first synchronisation reference signal and a second synchronisation reference signal over a D2D synchronisation reference signal transmission cycle, wherein the first synchronisation reference signal is transmitted by a cluster head for D2D communication and the second synchronisation reference signal is transmitted by a second terminal that belongs to a cluster for the D2D communication.

3. 外观设计

USD961638S1 Refrigerator 有权
公开(公告)号：USD961638S1
公开(公告)日：2022-08-23
申请号：US29800419
申请日：2021-07-21
申请人： LG ELECTRONICS INC.
设计人： Jihyun Lee , Kyukwan Choi , Hangbok Lee , Minsub Kim , Yong Kim

4. 外观设计

USD961636S1 Refrigerator 有权
公开(公告)号：USD961636S1
公开(公告)日：2022-08-23
申请号：US29787130
申请日：2021-06-04
申请人： LG ELECTRONICS INC.
设计人： Sungkyong Han , Kyukwan Choi , Hangbok Lee , Minsub Kim , Yong Kim , Jihyun Lee , Yezo Yun

5. 发明授权

US11349320B2 Wireless power transmitting device 有权
公开(公告)号：US11349320B2
公开(公告)日：2022-05-31
申请号：US16742374
申请日：2020-01-14
申请人： LG ELECTRONICS INC.
发明人： Sungkyu Kim , Seonghun Lee , Bongsik Kwak , Jihyun Lee , Joonho Park
IPC分类号： H02J7/00 , H02J50/80 , H02J50/12 , H02J50/40
摘要： The present invention relates to a wireless power transmitting device. The wireless power transmitting device comprises a transmitter coil section with a plurality of partially overlapping transmitter coils; a fan for cooling heat generated by the transmitter coil section; and a controller for sending out a detection signal through the transmitter coil section, calculating the number of operating coils based on the strength of a response signal to the detection signal, and controlling the fan based on the calculated number of operating coils. Accordingly, heat generated by the transmitter coils can be reduced more efficiently.

6. 发明授权

US11296558B2 Wireless power transmission apparatus 有权
公开(公告)号：US11296558B2
公开(公告)日：2022-04-05
申请号：US16687325
申请日：2019-11-18
申请人： LG ELECTRONICS INC.
发明人： Jihyun Lee , Seonghun Lee , Bongsik Kwak , Joonho Park , Sungkyu Kim
IPC分类号： H02J50/60 , H02J50/80 , H02J50/12 , G01V3/10 , H01F38/14 , H02J7/02
摘要： A wireless power transmission apparatus can include a resonant circuit including a plurality of coils and a plurality of capacitor elements respectively connected to the plurality of coils; a first sensor configured to sense a change in inductance of each of the plurality of coils; a second sensor configured to sense a change in a quality factor of each of the plurality of coils; and a controller configured to calculate feature values based on an inductance variation and a quality factor variation for detecting a foreign object, and determine the foreign object is present on a charging surface of the wireless power transmission apparatus based on whether a feature value combination selected from among the feature values falls within a reference region on a coordinate plane formed by an intersection of a first axis and a second axis, in which the first axis is based on inductance variation and the second axis is based on quality factor variation.

7. 发明授权

US10949002B2 Conductive film and touch panel including the same 有权
公开(公告)号：US10949002B2
公开(公告)日：2021-03-16
申请号：US14334373
申请日：2014-07-17
申请人： LG ELECTRONICS INC.
发明人： Jihyun Lee , Yeontae Choi , Jonggoo Park
IPC分类号： G06F3/041 , H05K1/18 , H05K3/32
摘要： A conductive film for use in a touch panel is provided. The conductive film includes a base member including a sensor area and a wire area, a sensor electrode located on the base member in the sensor area and a wire electrode located on the base member in the wire area, the wire electrode being connected to the sensor electrode. At least one of the sensor electrode and the wire electrode includes a nano material conductor having a network shape.

8. 发明授权

US10863462B2 Method for transmitting synchronisation reference signal for device-to-device (D2D) communication in wireless communication system and apparatus therefor 有权
公开(公告)号：US10863462B2
公开(公告)日：2020-12-08
申请号：US16248362
申请日：2019-01-15
申请人： LG ELECTRONICS INC.
发明人： Seungmin Lee , Hanbyul Seo , Jihyun Lee
IPC分类号： H04W56/00 , H04L5/00 , H04W72/04
摘要： The present invention relates to a method for receiving a synchronisation reference signal for device-to-device (D2D) communication by a first terminal in a wireless communication system and an apparatus therefor. More specifically, the present invention comprises a step of receiving a plurality of synchronisation reference signals including a first synchronisation reference signal and a second synchronisation reference signal over a D2D synchronisation reference signal transmission cycle, wherein the first synchronisation reference signal is transmitted by a cluster head for D2D communication and the second synchronisation reference signal is transmitted by a second terminal that belongs to a cluster for the D2D communication.

9. 发明授权

US10804729B2 Wireless power transmitter and wireless power transmission method 有权
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.

10. 发明授权

US10411517B2 Wireless power transfer method, apparatus and system for low and medium power 有权
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.

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