Samsung Electronics Co., Ltd.

Industrial Education Cooperation Organization, Daegu Health College

Hyo-Seok Han

Chong-Min Lee

Kyung-Woo Lee

Jae-Hyun Park

Sung-Ku Yeo

Sang-Wook Lee

Jae-Hyuck Shin

Yu-Su Kim

Jae-Seok Park

Hyung-Koo Chung

Kang-Ho Byun

Dae-Hyun Kim

Jin-ho Kim

Ki-Young Kim

Ji-Hoon Jung

Jun-Young Jang

Young-Joon Kim

Eun-Song Um

Lae-kyoung Kim

A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct current waveform, wherein the alternating current ground and the direct current ground can be disposed on different PCB layers, respectively.

Wireless power transmitter and wireless power receiver including multiple grounds for reducing electro-magnetic interference

An electronic device and method are provided for wirelessly receiving power. The electronic device includes a first core including a first portion extending in a first direction and a second portion extending in a second direction different from the first direction, a first coil wound around the first portion and extending in the first direction, a second coil wound around the second portion and extending in the second direction, and a power processing circuit configured to process power wirelessly received, from a wireless power transmitter, through at least one of the first coil or the second coil.

Wireless power transmitter, wireless power receiving electronic device, and method for operating the same

A wireless power transmitting device is provided. The wireless power transmitting device includes a patch antenna, and a transmission/reception processing circuit configured to output a first signal to the patch antenna during a first period, and process a second signal output from the patch antenna during a second period, wherein the patch antenna is configured to transmit a transmission wave using the first signal, and output the second signal to the transmission/reception processing circuit using a reception wave.

Wireless power transmitter and control method therefor

According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction.

Wireless power transmitting device and method for controlling the same

Wireless power transmitter and wireless power receiver

A wearable electronic device is provided. The wearable electronic device includes a frame, a body section connected with the frame, a display module mounted on the body section and configured to output an image, and a guide section configured to change a position of the display module in relation to the frame. The wearable electronic device may be variously implemented according to various embodiments.

Wearable electronic device

Growing community of inventors

Suwon-si, South Korea

Hyo-Seok Han