公开(公告)号：US20190097450A1

公开(公告)日：2019-03-28

申请号：US16204244

申请日：2018-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Hyunbeom LEE ,  Jaesung LEE ,  Byungsang JUNG ,  Jinmoo PARK ,  Seonghun LEE ,  Jihyun LEE ,  Jeongkyo SEO

IPC: H02J7/02 ,  H02J50/80 ,  H02J50/40 ,  H02J50/10 ,  H02J50/12

Abstract: 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.

公开(公告)号：US20190074867A1

公开(公告)日：2019-03-07

申请号：US16180961

申请日：2018-11-05

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Hyunbeom LEE

IPC: H04B5/00 ,  H02J7/02 ,  H02J50/80 ,  H02J50/12 ,  H02J5/00

Abstract: A wireless power receiver capable of receiving power, the wireless power receiver includes a wireless conversion unit configured to transmit first information to a wireless power transmitter based on a first communication protocol and to receive from the wireless power transmitter based on the first communication protocol, the first information including information about whether the wireless power receiver supports a second communication protocol different from the first communication protocol, the second information including information about whether the wireless power transmitter supports the second communication protocol; and a control unit configured to communicate over at least one of the first communication protocol and the second communication protocol with the wireless power transmitter, further the control unit is configured to establish the second communication protocol between the wireless power transmitter and the wireless power receiver based on the first information and the second information.

公开(公告)号：US20190058332A1

公开(公告)日：2019-02-21

申请号：US16167094

申请日：2018-10-22

Applicant: LG ELECTRONICS INC.

Inventor： Jaesung LEE ,  Yongcheol PARK ,  Jun LEE

IPC: H02J5/00 ,  H02J50/90 ,  H02J50/80 ,  H02J7/02 ,  H02J7/00 ,  H02J50/12

Abstract: A wireless power transmitter, includes a power conversion unit configured to form a wireless power for power transmission; and a power transmission control unit configured to control the power conversion unit to detect a collision between a first packet generated by a first wireless power receiver and a second packet generated by a second wireless power receiver in a same time slot, and control the power conversion unit to transmit information indicating the collision to the first wireless power receiver and the second wireless power receiver.

公开(公告)号：US20180262057A1

公开(公告)日：2018-09-13

申请号：US15977103

申请日：2018-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun LEE ,  Hyunbeom LEE ,  Yongcheol PARK ,  Jaesung LEE

IPC: H02J50/12

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J7/042 ,  H02J50/10 ,  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.

公开(公告)号：US20180048189A1

公开(公告)日：2018-02-15

申请号：US15554876

申请日：2016-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK

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

CPC classification number: H02J50/40 ,  H02J7/0013 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0081 ,  Y02T10/7055

Abstract: According to one embodiment of the present invention, a method for wirelessly transmitting power by a power transmitter including a plurality of coils comprises the steps of: detecting a second power receiver while transmitting power to a first power receiver; determining at least one primary coil appropriate for transmitting power; determining, by using the determined at least one primary coil, whether the second power receiver supports a shared mode protocol; and when the second power receiver supports the shared mode protocol, transmitting power to the first and second power receivers according to the shared mode protocol, wherein the shared mode protocol may be a protocol which simultaneously manages an information exchange between the power transmitter and a plurality of power receivers.

公开(公告)号：US20170264144A1

公开(公告)日：2017-09-14

申请号：US15453589

申请日：2017-03-08

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Joonho PARK ,  Jihyun LEE

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H02J7/02 ,  H02J50/60

CPC classification number: H02J50/12 ,  H02J7/025 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80 ,  H02J50/90

Abstract: Disclosed is a method for wirelessly transmitting, by a power transmitter including a primary coil, power. The method may include detecting the placement of objects on a surface of an interface included in the power transmitter and selecting a power receiver which belongs to the detected objects and to which power is to be transmitted, performing digital ping for applying a power signal for detecting and identifying the power receiver to the power receiver and receiving a response to the digital ping from the power receiver, obtaining information about the configuration of the power receiver and establishing a power transfer contract with the power receiver using the configuration information, and wirelessly transmitting the power to the power receiver based on the established power transfer contract.

公开(公告)号：US20170201123A1

公开(公告)日：2017-07-13

申请号：US15313410

申请日：2015-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK

IPC: H02J50/10 ,  H02J50/40 ,  H02J50/90 ,  H02J7/02

CPC classification number: H02J50/10 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmitter is provided which performs communication with a wireless power receiver through multiple slots. The wireless power transmitter comprises: a power converter consisting of at least one coil to convert a current into a magnetic field; and a power transmission controller that receives information associated with a power transfer phase from the wireless power receiver through at least one of the multiple slots, during the transfer of power to the wireless power receiver through the power converter, wherein the information associated with the power transfer phase contains a slot number assigned to the wireless power receiver.

公开(公告)号：US20170117757A1

公开(公告)日：2017-04-27

申请号：US15312527

申请日：2015-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK

IPC: H02J50/80 ,  H02J7/02 ,  H04W56/00 ,  H04W52/54 ,  H04W72/04 ,  H02J50/12 ,  H04B5/00

CPC classification number: H02J50/80 ,  H02J7/025 ,  H02J50/12 ,  H04B5/0037 ,  H04W52/48 ,  H04W52/54 ,  H04W52/58 ,  H04W56/001 ,  H04W72/0446

Abstract: The present disclosure relates to a wireless power transmission method, a wireless power transmission apparatus, and a wireless charging system in a wireless power transmission field, and there is provided a communication method of a wireless power receiver performing communication with a wireless power transmitter using a plurality of slots, and the communication method may include transmitting control information to the wireless power transmitter within any one of the plurality of slots, receiving an ACK signal from the wireless power transmitter in response to the control information, performing communication with the wireless power transmitter using the any one slot, and determining the position of the any one of the plurality of slots when the ACK signal is received, wherein the position of the any one slot is determined through the counting of the remaining slots existing subsequent to the any one of the plurality of slots.

公开(公告)号：US20170018954A1

公开(公告)日：2017-01-19

申请号：US15277745

申请日：2016-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Hyunbeom LEE ,  Jaesung LEE ,  Yongcheol PARK ,  Jeongkyo SEO

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

CPC classification number: H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0081

Abstract: This specification provides a method for deciding a communication protocol between a wireless power transmitter and a wireless power receiver. To this end, a method for deciding a communication protocol by the wireless power receiver for data transmission or reception with the wireless power transmitter includes transmitting first communication protocol information indicating communication protocols supportable by the wireless power receiver itself to the wireless power transmitter, and deciding a communication protocol for the data transmission or data reception based on second communication protocol information, which indicates communication protocols selected based on the first communication protocol information, when the second communication protocol information is received from the wireless power transmitter.

Abstract translation: 该规范提供了一种用于确定无线电力发射机和无线电力接收机之间的通信协议的方法。 为此，用于通过无线电力接收机确定用于数据发送或接收的无线电力发送器的通信协议的方法包括：向无线电力发送器发送指示由无线电力接收机本身支持的通信协议的第一通信协议信息，并且决定 当从无线电力发射机接收到第二通信协议信息时，基于第二通信协议信息的数据传输或数据接收通信协议，其指示基于第一通信协议信息选择的通信协议。

公开(公告)号：US20250149922A1

公开(公告)日：2025-05-08

申请号：US19016964

申请日：2025-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK

IPC: H02J50/10 ,  H02J50/12 ,  H02J50/60 ,  H02J50/80 ,  H04B5/79 ,  H04L9/40

Abstract: A method for transferring, by a wireless power transmitter, wireless power, the method including performing digital ping in a ping phase; receiving a configuration packet of a wireless power receiver in a configuration phase after the ping phase; performing a negotiation of a power transfer contract in a negotiation phase after the configuration phase; and transferring the wireless power to the power receiver based on the power transfer contract in a power transfer phase after the negotiation phase, wherein the configuration packet includes a negotiation field, wherein the negotiation field related to whether the negotiation phase is supported is composed of 1 bit, wherein the configuration packet includes a out-of-band field, wherein the out-of-band field is composed of 1 bit, and wherein, based on the out-of-band field having a value of 1, the out-of-band field indicates that the wireless power receiver supports out-of-band communication, and based on the out-of-band field having a value of 0, the out-of-band field indicates that the wireless power receiver does not support the out-of-band communication.