公开(公告)号：US20160064997A1

公开(公告)日：2016-03-03

申请号：US14570875

申请日：2014-12-15

Applicant: HYUNDAI MOTOR COMPANY ,  Kia Motors Corporation ,  LG INNOTEK CO., LTD.

Inventor： Nam Woong HUR ,  Sin Gu KIM ,  Seul Ki JEON ,  Jeong Nam SON ,  Woo Kil JUNG ,  Yun Bok LEE ,  Yong Suk CHAE

IPC: H02J7/04 ,  H04B5/00 ,  H02J7/02

CPC classification number: H02J7/04 ,  H02J7/007 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H02J2007/0096 ,  H02J2007/0098 ,  H04B5/0037 ,  H04B5/0081

Abstract: A wireless charging system for a variable charging mode includes: an information receiver configured to receive information about a wireless power receiver including a wireless charging mode that is supported by the wireless power receiver through a wireless communication connected to the wireless power receiver; wireless power transmitting units configured to wirelessly transmit power by a plurality of different wireless charging modes; and a controller configured to control the wireless power transmitting units to wireless transmit power by the wireless charging mode corresponding to the received information.

Abstract translation: 一种用于可变充电模式的无线充电系统包括：信息接收器，被配置为通过连接到无线电力接收器的无线通信来接收包括由无线电力接收器支持的无线充电模式的无线电力接收器的信息; 无线电力发送单元，被配置为通过多种不同的无线充电模式无线发送功率; 以及控制器，被配置为通过与所接收的信息相对应的无线充电模式来控制无线电力发送单元的无线发送功率。

公开(公告)号：US20180351406A1

公开(公告)日：2018-12-06

申请号：US15780979

申请日：2016-09-08

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE ,  Min Young JO ,  Hyung Jun LIM

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/60 ,  H02J7/00 ,  H02J7/02

CPC classification number: H02J7/02 ,  H02J7/04

Abstract: A wireless power transmitter according to an embodiment comprises: a power conversion unit for converting the strength of supplied power and outputs the same as a power signal; a transmission control unit for inspecting whether a wireless power receiver proceeds with charging in a no-load state without completing the charging, and according to the result of inspection, temporarily stopping the supply of the power signal to the wireless power receiver and resuming the supply; and a transmission coil end which has at least one transmission coil for transmitting the power signal to the wireless power receiver.

公开(公告)号：US20170222472A1

公开(公告)日：2017-08-03

申请号：US15515022

申请日：2015-09-08

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE ,  Young Kil SONG ,  Soon Young HYUN

IPC: H02J7/02 ,  H01F27/28 ,  H01F38/14 ,  H01F27/255 ,  H01F1/147 ,  H01F1/20 ,  H02J50/12 ,  H01F27/245

CPC classification number: H02J7/025 ,  H01F1/14733 ,  H01F1/14775 ,  H01F1/14791 ,  H01F1/20 ,  H01F1/26 ,  H01F27/245 ,  H01F27/255 ,  H01F27/2804 ,  H01F27/2871 ,  H01F27/365 ,  H01F38/14 ,  H02J50/12 ,  H02J50/50

Abstract: According to an aspect of the present invention, a wireless power transmitting apparatus of a wireless charging system includes a substrate, a first bonding layer formed on the substrate, a soft magnetic layer formed on the first bonding layer, a second bonding layer formed on the soft magnetic layer and a transmitting coil formed on the second bonding layer, wherein at least one of the first bonding layer and the second bonding layer includes a magnetic substance.

公开(公告)号：US20170155288A1

公开(公告)日：2017-06-01

申请号：US15294271

申请日：2016-10-14

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE ,  Sang Won LEE ,  Hyung Jun LIM

IPC: H02J50/70 ,  H02J50/23 ,  H02J7/02 ,  G01R31/12 ,  H05K9/00 ,  H01F41/02 ,  G01R33/12 ,  H02J50/40 ,  H01F1/03

CPC classification number: H02J50/70 ,  G01R31/1227 ,  G01R33/0076 ,  G01R33/025 ,  G01R33/1223 ,  H01F1/0306 ,  H01F1/26 ,  H01F27/365 ,  H01F38/14 ,  H01F41/02 ,  H02J7/025 ,  H02J50/12 ,  H02J50/23 ,  H02J50/40 ,  H05K9/0075

Abstract: Embodiments provide a magnetic shield for wireless power chargers and a method of manufacturing the same. The method includes forming flake powder having flake-type particles, forming an oxide film by performing oxygen heat treatment on the surface of the flake powder, performing insulation treatment on the surface of the flake powder provided with the oxide film formed thereon, and producing a sendust block by mixing and melting the insulation-treated flake powder and insulative resin powder. Therefore, a magnetic shield having high insulation characteristics and magnetic permeability may be provided.

公开(公告)号：US20180323634A1

公开(公告)日：2018-11-08

申请号：US15773646

申请日：2016-08-23

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE

IPC: H02J7/02 ,  H01F27/29 ,  H02J50/12

CPC classification number: H02J7/025 ,  H01F27/29 ,  H01F38/14 ,  H02J7/02 ,  H02J50/12

Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a primary detection signal for detecting the existence of a wireless power receiver is simultaneously transmitted by using frequencies that are different from each other that were allocated to each of the transmission coils in advance; and a demodulation unit which, if a first signal strength indicator associated with the primary detection signal is received from the wireless power receiver, transmits, to the control unit, the received first signal strength indicator and a preset transmission coil identifier for identifying the transmission coil through which the first signal strength indicator was received, wherein the control unit may control so that a secondary detection signal is transmitted through the transmission coil through which the first signal strength indicator was received. Thus, the present invention has a merit of enabling a quicker and more accurate detection of a wireless power receiver.

公开(公告)号：US20180301936A1

公开(公告)日：2018-10-18

申请号：US15768169

申请日：2016-09-12

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE ,  Jong Heon LEE

IPC: H02J50/12 ,  H04B5/00 ,  H02J50/40 ,  H02J7/02

Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a predetermined first detection signal for detecting the existence of a wireless power receiver is transmitted through the transmission coils in a predetermined order; and a modulation/demodulation unit which, if a predetermined first signal strength indicator associated with the first detection signal is received from the wireless power receive, transmits the received first signal strength indicator to the control unit, wherein the control unit may control so that a second detection signal is transmitted through the transmission coils through which the first signal strength indicator was received. Thus, the present invention has a merit of enabling a quicker and more accurate detection of a wireless power receiver.

公开(公告)号：US20190058506A1

公开(公告)日：2019-02-21

申请号：US16085343

申请日：2017-02-23

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE

IPC: H04B5/00 ,  H02J7/02 ,  H02J50/10 ,  H02J50/12 ,  H02J50/80

Abstract: The present invention relates to a method and an apparatus capable of recognizing a wireless power reception apparatus. A wireless power transmission control method according to one embodiment of the present invention comprises: a search step for searching for a device through an identifier received using wireless communication; a selection step for selecting an identifier to be used to transmit wireless power among identifiers of the devices obtained by the search; and a control step for determining whether to activate a wireless power transmitter, according to a charging activation indicator configured to correspond to the selected identifier, wherein the identifier of the device may be selected on the basis of pre-collected wireless charging history information or through a user interface.

公开(公告)号：US20180301933A1

公开(公告)日：2018-10-18

申请号：US15767919

申请日：2016-09-20

Applicant: LG INNOTEK CO., LTD.

Inventor： Yun Bok LEE ,  Jeong Nam SON

IPC: H02J50/10 ,  H02J50/80 ,  H02J50/90 ,  H02J50/40

Abstract: The present invention relates to a multi-coil wireless charging method, and an apparatus and a system therefor, and a wireless power transmission system having a plurality of transmission coils, according to one embodiment of the present invention, comprises: first to n-th sub-wireless power transmitters respectively having a plurality of transmission coils and transmitting a first sensing signal; and a main control unit for identifying the sub-wireless power transmitter for transmitting a second sensing signal on the basis of whether a first signal strength indicator corresponding to the first sensing signal is received. Therefore, the present invention has an advantage of providing a multi-coil wireless charging method capable of more rapidly and correctly sensing a wireless power receiver.