Samsung Electronics Co., Ltd.

Industry-university Cooperation Foundation Hanyang University

Sungkyunkwan University

Korea Advanced Institute of Science and Technology

Lclink Co., Ltd.

Yonsei University

Korea University Industrial & Academic Collaboration Foundation

Hongik University Industry-academia Cooperation Foundation

Yun Kwon Park

Sang Wook Kwon

Nam Yun Kim

Young Ho Ryu

Dong Zo Kim

Ki Young Kim

Jin Sung Choi

Young Tack Hong

Chang Wook Yoon

Eun Seok Park

Keum Su Song

Chi Hyung Ahn

Jae Hyun Park

Bong Chul Kim

Byoung Hee Lee

Jea Shik Shin

Chul Kyu Kim

Duck Hwan Kim

In Sang Song

Chang Sik Yoo

Young Jin Moon

Hyung Rak Kim

Young-tack Hong

Byung Chul Park

Hyuk Choon Kwon

Jeong Hae Lee

Dal Ahn

Jin Sung Chol

Ki Jun Kim

Chang Ho Lee

Young Il Kim

Yong Seong Roh

In Bok Song

Jong Won Yu

Wang Sang Lee

Young Goo Yang

Jae Hoon Choi

Hyeong Seok Jang

Seong Joong Kim

Dong Su Kim

Jun Chul Kim

Sung Woo Hwang

Byeong Kwon Ju

Youngoo Yang

Keumsu Song

Seong Chan Jun

Jae Chun Lee

Hee Tae Kim

Jun Seok Lee

Jae Sung Rieh

Ju Hui Kim

Sang Gyu Ha

Kyung Young Jung

Bong Chui Kim

Young Kim, Ii

A wireless power transmission apparatus includes a source resonator configured to transmit an output power from which a harmonic component has been cancelled to a wireless power reception apparatus by resonating with a target resonator of the wireless power transmission apparatus, and a resonant power generator configured to differentially input a first input signal and a second input signal to the source resonator, and cancel the harmonic component of the output power.

Method and apparatus for wireless power transmission with harmonic noise cancellation

A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.

Wireless power transmission apparatus and wireless power transmission method

An electronic device and method for transmitting and receiving a wireless power are provided. An electronic device for transmitting and receiving wireless power may include a resonator configured to operate, based on a plurality of operating modes of the electronic device including a power reception mode, a relay mode, and a power transmission mode, wherein: (i) in the power reception mode, the resonator is configured to receive power from a wireless power transmitter, (ii) in the relay mode, the resonator is configured to relay power received from the wireless power transmitter to a wireless power receiver, and (iii) in the power transmission mode, the resonator is configured to transmit power to the wireless power receiver; and a path controller configured to control at least one electrical pathway of electronic device based on the operating mode.

Electronic device and method for transmitting and receiving wireless power

A wireless power transmitter for wirelessly transmitting power is provided. The wireless power transmitter includes four cells configured to wirelessly transmit power to a wireless power receiver; a power source configured to provide power to one of the four cells; and a connection unit configured to connect the four cells to each other, wherein the connection unit is further configured to connect the four cells in a cross configuration.

Magnetic field adjusting three-dimensional flexible resonator for wireless power transmission system

A resonance power transmission system for controlling a supply voltage of a power converter based on power transmission efficiency is provided. According to an aspect, a resonance power transmitter configured to transmit resonance power to one or more resonance power receivers may include: a voltage controller configured to receive an input signal and to output voltage of a predetermined level; a source controller configured to control a signal level of the DC voltage based the number of resonance power receivers.

Resonance power transmission system based on power transmission efficiency

A stereoscopic flexible resonator is provided. The stereoscopic flexible stereoscopic resonator includes at least one cell, at least one resonator including a capacitor, and a connection unit configured to connect the cell and the resonator in a stereoscopic structure.

A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.

Wireless power transmission system and wireless power relay apparatus

A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.

Wireless power transmission system, and method for controlling wireless power transmission and wireless power reception

A source device and a method for controlling a magnetic field using two source resonators in a wireless power transmission system are provided. A device configured to control a magnetic field, includes resonators configured to form the magnetic field to transmit power to another device. The device further includes a magnetic field shape determining unit configured to determine a shape of the magnetic field. The device further includes a phase changing unit configured to change a phase of at least one of the resonators to form the magnetic field in the determined shape.

Source device and method for controlling magnetic field using two source resonators in wireless power transmission system

A resonant apparatus in a wireless power transmission system, includes a main resonant unit configured to form magnetic resonant coupling between the resonant apparatus and a resonator. The resonant apparatus further includes a field guiding resonant unit configured to focus a magnetic field on an internal portion of the main resonant unit, and a field additive resonant unit configured to adjust a magnitude of a magnetic field formed between the main resonant unit and the field guiding resonant unit.

Apparatus and method for resonance in wireless power transmission system

A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus.

Method and apparatus for wirelessly transmitting power and power transmission information

Growing community of inventors

Dongducheon-si, South Korea

Yun Kwon Park