公开(公告)号：US11817717B2

公开(公告)日：2023-11-14

申请号：US17593261

申请日：2020-03-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyengcheul Choi ,  Bongsik Kwak ,  Hyunggeol Kwak ,  Sungkyu Kim ,  Jonggu Kim ,  Jinhong Kim ,  Sooyong Park ,  Yongcheol Park ,  Joonho Park ,  Seonghun Lee

IPC: H02J50/12 ,  H02J50/80 ,  H04B5/00 ,  H02J50/40 ,  H02J50/10

CPC classification number: H02J50/12 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0031 ,  H04B5/0037 ,  H04B5/0081

Abstract: The present specification relates to a wireless power receiving device, receiving method, and receiving system, the device comprising individual rectifiers for each receiving coil, wherein the individual rectifiers comprise isolators for isolating a receiving coil for PC0 from a receiving coil for PC1.

公开(公告)号：US11218028B2

公开(公告)日：2022-01-04

申请号：US16739749

申请日：2020-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyengcheul Choi ,  Bongsik Kwak ,  Seong Hun Lee

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

Abstract: The present disclosure relates to a wireless power receiving apparatus capable of receiving multi-level power transmitted by a wireless power transmitting apparatus. According to an embodiment of the present disclosure, the wireless power receiving apparatus includes a first receiving coil in which induced current is generated by electromagnetic induction, a second receiving coil connected in series with the first receiving coil by a switch, and a processor that is driven based on the induced current generated by the first receiving coil and controls the switch based on power information included in the induction current to selectively connect the first receiving coil and the second receiving coil.

公开(公告)号：US10374662B2

公开(公告)日：2019-08-06

申请号：US15756929

申请日：2015-09-04

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyun Choi ,  Sanghyun Jeong ,  Hyengcheul Choi ,  Sujin Kim ,  Sunghye Yoon ,  Chisang You

IPC: G08B1/08 ,  H04B5/00 ,  G04B37/14 ,  G06F3/01 ,  G06Q30/06 ,  H01Q1/27 ,  H04B1/3827 ,  H01Q1/22 ,  H01Q1/24 ,  H01Q7/04 ,  G06F3/0488 ,  G06F1/16 ,  G04G21/04

Abstract: A mobile terminal comprises: a band connected to a body so as to be worn on a user's wrist; and an antenna having at least one winding such that an NFC signal for acquiring product information from a product proceeds toward a user's hand, and passing through the body and arranged along the circumference of the band.

公开(公告)号：US10014582B2

公开(公告)日：2018-07-03

申请号：US14765262

申请日：2013-10-24

Applicant: LG ELECTRONICS INC.

Inventor： Seungwoo Ryu ,  Hyengcheul Choi ,  Chisang You ,  Soyeon Lee ,  Kyoungsun Hwang ,  Songyi Lee ,  Byungeun Jeon

IPC: H01Q21/00 ,  H01Q9/16 ,  H01Q1/24 ,  H01Q9/42 ,  H01Q5/40 ,  H01Q1/50 ,  H01Q21/30

CPC classification number: H01Q9/16 ,  H01Q1/243 ,  H01Q1/50 ,  H01Q5/40 ,  H01Q9/42 ,  H01Q21/30

Abstract: Disclosed are an antenna module and a mobile terminal having the same. The antenna module includes: a first member and a second member configured to operate as radiators of an antenna for transmitting/receiving radio signals; a first feeding unit configured to feed the first and second members; and a transmission line configured to connect the second member to the first feeding unit so that, when the first member forms a magnetic field in a near field, the second member forms an electric field.

公开(公告)号：US09722300B2

公开(公告)日：2017-08-01

申请号：US14702512

申请日：2015-05-01

Applicant: LG ELECTRONICS INC.

Inventor： Hyengcheul Choi ,  Jaehyun Choi ,  Chisang You

IPC: H01Q1/24 ,  H01Q7/00 ,  H01Q1/52 ,  H01Q9/14 ,  H01Q9/42 ,  H01Q5/35 ,  H01Q3/26 ,  H01Q1/48 ,  H01Q1/38

CPC classification number: H01Q1/243 ,  H01Q1/38 ,  H01Q1/48 ,  H01Q1/52 ,  H01Q1/521 ,  H01Q3/26 ,  H01Q5/35 ,  H01Q7/00 ,  H01Q9/145 ,  H01Q9/42

Abstract: The present disclosure relates to an antenna module and a mobile terminal having the same, and the antenna module may include a conductive member, a first conductive arm formed at one side of the conductive member to form a first loop along with the conductive member so as to implement a first resonant frequency, a second conductive arm formed at the other side of the conductive member to form a second loop along with the conductive member so as to implement a second resonant frequency different from the first resonant frequency, a first feeding portion formed adjacent to the first conductive arm to feed the first conductive arm and conductive member, and a second feeding portion formed adjacent to the second conductive arm to feed the second conductive arm and conductive member.

公开(公告)号：US11283307B2

公开(公告)日：2022-03-22

申请号：US16686041

申请日：2019-11-15

Applicant: LG Electronics Inc.

Inventor： Hyengcheul Choi ,  Eunsoo Lee ,  Jaesoon Kwon ,  Hwanyong Kim ,  Sooyong Park ,  Seong Hun Lee ,  Beom Seok Chae

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

Abstract: Disclosed herein is a wireless power transmitting device that includes a charging module which is configured to transmit a foreign object sensing signal for sensing at least one of a wireless power receiving device and a foreign object on a charging pad, and which is configured to transmit a wireless power signal for charging the wireless power receiving device, and a control module which is configured to control the charging module such that the wireless power signal and the foreign object sensing signal are transmitted, and which is configured to sense at least one of the foreign object and the wireless power receiving device, based on an output voltage sensed by the charging module, after the foreign object sensing signal is transmitted.

公开(公告)号：US10535916B2

公开(公告)日：2020-01-14

申请号：US15763005

申请日：2015-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Yohan Lim ,  Jaehyun Choi ,  Byungwoon Jung ,  Chisang You ,  Hyengcheul Choi

IPC: H01Q1/12 ,  H01Q1/27 ,  G04G17/04 ,  G04G21/04 ,  H01Q1/48 ,  H01Q7/00 ,  H01Q9/42 ,  H01Q5/35 ,  H01Q5/371 ,  H01Q5/40 ,  H01Q1/38 ,  H01Q1/22 ,  H01Q1/24 ,  G04R60/06

Abstract: The present invention relates to a watch-type mobile terminal, comprising: a main body; a first band and a second band which are connected one side and the other side of the main body; a main board located inside the main body; a first antenna module mounted on the first band and connected to the main board to transmit and receive wireless signals; a second antenna module mounted on the second band and connected to the main board to transmit and receive wireless signals; and a control unit for maintaining the connection state between the second antenna and the main board when wireless communication is performed through the first antenna module, thereby using the second antenna module as the ground of the first antenna module. The watch-type mobile terminal can enhance the efficiency of the antennas by minimizing interferences among a plurality of antennas.

公开(公告)号：US10152084B2

公开(公告)日：2018-12-11

申请号：US15152720

申请日：2016-05-12

Applicant: LG ELECTRONICS INC.

Inventor： Kyuho Lee ,  Byungwoon Jung ,  Eunkwang Koh ,  Hyunwoo Kim ,  Junghyen Ha ,  Hyengcheul Choi ,  Ansun Hyun ,  Chisang You

IPC: H01Q1/24 ,  G06F1/16 ,  H04B5/00 ,  H01Q1/27 ,  H01Q7/00

Abstract: A mobile terminal including a display unit including a window glass and a display module; a front case and a rear case configured to support the display unit; an antenna including a first coil formed on an edge region of a rear surface of the window glass or formed on an edge region of a front surface of the front case, a second coil formed at a height different from that of the first coil in a thickness direction of the mobile terminal, and a conductive hole configured to electrically connect the first coil and the second coil; a battery configured to supply power to the mobile terminal; and a battery cover positioned on a back side of the display unit and including a metal.

公开(公告)号：US10128915B2

公开(公告)日：2018-11-13

申请号：US15841093

申请日：2017-12-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyun Choi ,  Hyengcheul Choi ,  Deuksu Choi ,  Dongjin Kim ,  Chisang You

IPC: H04B1/38 ,  H04B5/00 ,  H01Q7/00 ,  H02J5/00 ,  H02J7/00 ,  H02J7/02 ,  H02J50/12 ,  H04W4/80

Abstract: There is disclosed a mobile terminal including a housing comprising a first metal case, a second metal case and a first non-conductive case arranged between the first metal case and the second metal case, a battery embedded in the housing, a first coil arranged in an area covered by the first metal case inside the housing, a main board comprising a charging module implemented to recharge the battery using electric currents which flow in the first coil, and a first resonator arranged in an area covered by the first non-conductive case and comprising a first matching circuit corresponding to a first frequency, such that the examples of the mobile terminal in accordance with the present disclosure may enhance performance of the wireless communication unit and wireless charging performance, without design change of the housing having the metal case.

公开(公告)号：US10038245B2

公开(公告)日：2018-07-31

申请号：US14868138

申请日：2015-09-28

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyun Choi ,  Hyengcheul Choi ,  Chisang You

IPC: H01Q9/04 ,  H01Q1/24 ,  H01Q1/42 ,  H01Q1/48 ,  H01Q7/00 ,  H01Q9/42 ,  H01Q5/364 ,  H01Q1/38

CPC classification number: H01Q9/045 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q1/42 ,  H01Q1/48 ,  H01Q5/364 ,  H01Q7/00 ,  H01Q9/42

Abstract: Disclosed are an antenna module and a mobile terminal having the same. The antenna module includes a ground plate; a metal plate spaced apart from the ground plate by a distance such that a surface of the metal plate faces a surface of the ground plate; a first conductive member spaced apart from an edge of the ground plate by a distance, the first conductive member encompassing the edge; a feeding part formed on the ground plate; a second conductive member formed on the ground plate and coupled to the feeding part, wherein the second conductive member indirectly feeds the first conductive member and the metal plate; and a first connection member and a second connection member that couple the ground plate to the metal plate.