公开(公告)号：US11049648B2

公开(公告)日：2021-06-29

申请号：US16339988

申请日：2017-06-28

Applicant: LG ELECTRONICS INC.

Inventor： Taewook Kwon ,  Bongsik Kwak ,  Jeongkyo Seo ,  Beomseok Chae ,  Jaesoon Kwon ,  Sungkyu Kim

IPC: H01F38/14 ,  H02J50/12 ,  H02J50/80 ,  H01F27/28 ,  H02J50/40

Abstract: According to an embodiment of the present invention, a resonator transmitting power in a resonant mode includes: a first coil having a wire group including three wires arranged in line and alternately extended in first direction and second direction orthogonal to the first direction; and a second coil including three sub-coils and ferrite plates, and the first coil may be stacked adjacent to the second coil, and the first coil may correspond to a resonance coil driven in the resonance mode and the second coil may correspond to an induction coil driven in an induction mode, respectively.

公开(公告)号：US10923939B2

公开(公告)日：2021-02-16

申请号：US16325540

申请日：2016-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyoungseok Kim ,  Jeongkyo Seo ,  Jinmoo Park ,  Beomseok Chae

IPC: H02J7/02 ,  H04B5/00 ,  H02J50/90 ,  H02J50/80 ,  H01F27/38 ,  H02J50/10 ,  H01F38/14 ,  H02J50/40 ,  H02J50/12

Abstract: According to one embodiment of the present invention, a wireless power transmitter for transferring power to a wireless power receiver, the wireless power transmitter includes a coil assembly including a plurality of coils, a power conversion unit configured to convert an input direct current (DC) into an alternating current (AC) for driving the coil assembly, and a communication/control unit configured to communicate with the wireless power receiver and control an amount of power to be transferred to the wireless power receiver using the coil assembly, wherein the plurality of coils are arranged in first and second directions, wherein each of the plurality of coils has a substantially rectangular frame structure having a through hole at a center, and is arranged so that at least portion of the each coil overlaps, in a plane, with a neighboring coil in the first and second directions.

公开(公告)号：US10659718B2

公开(公告)日：2020-05-19

申请号：US16036245

申请日：2018-07-16

Applicant: LG ELECTRONICS INC.

Inventor： Taewook Kwon ,  Bongsik Kwak ,  Sungkyu Kim ,  Jeongkyo Seo ,  Beomseok Chae

IPC: G06F3/038 ,  G09G5/00 ,  H04N5/63 ,  H02J50/05 ,  H02M3/335 ,  H04N5/655 ,  H02M1/00 ,  H02M1/08

Abstract: An image display apparatus are disclosed. The image display apparatus includes a display including a first electrode and a second electrode, for wireless power reception, a signal processor disposed apart from the display, and including a third electrode and a fourth electrode, for wireless power transmission, and a first bridge electrode and a second bridge electrode, including one ends apart from the first electrode and the second electrode, facing the first electrode and the second electrode, and the other ends apart from the first bridge electrode and the second bridge electrode, facing the first bridge electrode and the second bridge electrode.