公开(公告)号：US09831030B2

公开(公告)日：2017-11-28

申请号：US14318299

申请日：2014-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Bongsik Kwak ,  Jeongkyo Seo ,  Jeongeon Park

IPC: H02J7/00 ,  H01F27/42 ,  H01F38/14 ,  H02J7/02 ,  H02J5/00

CPC classification number: H01F38/14 ,  H02J7/025 ,  H02J50/10

Abstract: The present disclosure relates to a wireless power transmitter capable of reducing standby power in the wireless power transmitter, and a method thereof, and the wireless power transmitter according to the present disclosure may include a power supply unit configured to supply a voltage; a receiving unit configured to receive a power-on signal or power-off signal from a remote controller; a power transmission controller configured to generate a drive signal to supply power for the operation of the electronic device based on the power-on signal; and a power transmission unit configured to form a wireless power signal based on the supplied voltage and the drive signal to transmit wireless power to the wireless power receiver.

公开(公告)号：US09821672B2

公开(公告)日：2017-11-21

申请号：US14770041

申请日：2014-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Beomseok Chae ,  Jeongeon Park ,  Kihyun Jung ,  Jeongkyo Seo ,  Byungsang Jung

IPC: B60L1/00 ,  B60L11/18 ,  H01F38/14 ,  H01F27/24 ,  H02J5/00 ,  H02J50/12 ,  H02J17/00 ,  H02J7/02

CPC classification number: B60L11/182 ,  B60L1/006 ,  H01F27/24 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/122 ,  Y02T90/14

Abstract: An electronic device according to an embodiment of the present invention is configured to wirelessly receive electric power from a wireless electric power transfer device. A power reception unit of the electronic device comprises: a core having a predetermined length and having magnetic flux concentration portions formed at lengthwise side portions thereof; and a coil wound along an outer periphery of the core to form magnetic flux density in the magnetic flux concentration portions, the magnetic flux density having a magnitude equal to or larger than a predetermined value.