公开(公告)号：US20240297533A1

公开(公告)日：2024-09-05

申请号：US18662026

申请日：2024-05-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Beomwoo GU ,  Jaehyun PARK ,  Chongmin LEE ,  Bohwan CHOI

IPC: H02J50/12 ,  H01F27/42

CPC classification number: H02J50/12 ,  H01F27/42 ,  H02J2310/22

Abstract: A wireless power receiver receiving power from a wireless power transmitter is provided. The receiver includes a resonance circuit, a rectifier circuit, and a driver circuit. The resonance circuit includes first and second coils and a first capacitor. The rectifier circuit includes first and second rectifier circuits. The first rectifier circuit includes first through fourth MOSFETs. Sources of the first and second MOSFETs are connected to ends of a resonator including the first coil and the first capacitor. Sources of the third and fourth MOSFETs are connected to ground. The driver circuit is connected to gates of the first through fourth MOSFETs, When the driver circuit switches off the first and second MOSFETs and switches on the third and fourth MOSFETs, as currents are induced in the resonator and the second coil, the resonance circuit receives the wireless power, and the current induced in the second coil is rectified by the second rectifier circuit.

公开(公告)号：US20220311285A1

公开(公告)日：2022-09-29

申请号：US17580186

申请日：2022-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chongmin LEE ,  Sungku YEO ,  Kangho BYUN ,  Jaesun SHIN ,  Jeongman LEE ,  Hyoseok HAN

IPC: H02J50/90 ,  H04W4/80 ,  H04B5/00 ,  H02J50/12

Abstract: An electronic device includes a power transmitter; a first communication interface configured to support an Ultra-Wideband (UWB) communication scheme; a second communication interface configured to support a Bluetooth communication scheme; and a processor configured to: control the first communication interface to transmit a first signal and receive a second signal corresponding to the first signal via the first communication interface, identify, based on a difference between a transmission time of the first signal and a reception time of the second signal, first location information of a first external device, control the power transmitter to transmit a first driving power having a first magnitude, based on a first distance between the first external device and the electronic device being within a first range, the first distance being identified based on the first location information, establish a Bluetooth communication connection with the first external device, based on receiving, via the second communication interface, a first packet transmitted from the first external device using the first driving power, after transmitting the first driving power, and control the power transmitter to transmit a first charging power having a second magnitude, after establishing the Bluetooth communication connection.

公开(公告)号：US20220215992A1

公开(公告)日：2022-07-07

申请号：US17704663

申请日：2022-03-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Artem Rudolfovitch VILENSKIY ,  Mikhail Nikolaevich MAKURIN ,  Chongmin LEE

IPC: H01F1/34 ,  H01F17/00 ,  H01F3/14 ,  H02J50/12

Abstract: A multilayer inductor is provided. The multilayer inductor includes a multilayer winding portion comprising a plurality of coil layers that are vertically stacked, and having an inner surface that defines a hollow of the plurality of coil layers and having an outer surface that defines an outer side and a magnetic compensator made of a soft magnetic material and comprising a magnetic wall located at at least one of the inner surface or the outer surface of the multilayer winding portion.

公开(公告)号：US20220006333A1

公开(公告)日：2022-01-06

申请号：US17448256

申请日：2021-09-21

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Sungku YEO ,  Jaeseok PARK ,  Kangyoon LEE ,  Chongmin LEE ,  Imran ALI ,  Kwantae KIM ,  Dongin KIM ,  Seongjin OH ,  Solhee IN

IPC: H02J50/90 ,  G06N20/00 ,  H02J50/80 ,  G06N3/04

Abstract: The present disclosure relates to an artificial intelligence (AI) system which simulates functions such as cognition, judgment, and the like of the human brain by utilizing machine learning algorithms such as deep learning and the like, and to an application thereof. According to various embodiments, an electronic device may comprise: a first impedance matching circuit configured to perform a first impedance matching on a power signal wirelessly received from a wireless power transmission device; a second impedance matching circuit configured to perform a second impedance matching on the first impedance-matched power signal using any one impedance value among a plurality of impedance values; a control circuit configured to perform control to change an impedance value of the second impedance matching circuit to an impedance value learned using an impedance matching network model, corresponding to a power and a frequency of the second impedance-matched power signal; and a power conversion circuit configured to convert a second impedance-matched power signal in an AC form into a power in a DC form for charging a battery according to the changed impedance value.

公开(公告)号：US20210376668A1

公开(公告)日：2021-12-02

申请号：US17330932

申请日：2021-05-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeongman LEE ,  Beomwoo GU ,  Jaeseok PARK ,  Jaehyun PARK ,  Sungku YEO ,  Chongmin LEE ,  Hyoseok HAN

IPC: H02J50/90 ,  H02J50/40 ,  H02J50/12 ,  H02J50/80

Abstract: The disclosure provides an electronic device and a method for controlling wireless charging in the electronic device. An electronic device includes: a sensor, a battery, a resonance circuit configured to wirelessly receive power, a rectification circuit configured to rectify an alternating current (AC) power provided from the resonance circuit into a direct current (DC) power, a DC/DC converter configured to convert the DC power provided from the rectification circuit to output a converted power, a charging control circuit configured to charge the battery using the converted power provided from the DC/DC converter, and a controller, and the controller may be configured to: identify movement information of the electronic device corresponding to a value sensed via the sensor, identify a voltage value of the DC power rectified via the rectification circuit, and control an output of the DC/DC converter based on the movement information and the voltage value.

公开(公告)号：US20210320530A1

公开(公告)日：2021-10-14

申请号：US17267996

申请日：2019-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sangwook LEE ,  Chongmin LEE ,  Daehyun KIM ,  Jaeseok PARK ,  Hyoseok HAN ,  Seunghyun LEE

IPC: H02J50/20 ,  H02J50/80 ,  H02J50/90 ,  H02J50/40

Abstract: A wireless power receiving device, according to the disclosure, comprises: at least one power receiving antenna for sequentially receiving a plurality of different RF waves formed by a wireless power transmitting device; a communication circuit; and at least one processor, wherein the at least one processor is configured to confirm a plurality of pieces of strength information that indicates the strength of each of the plurality of different RF waves, confirm a plurality of pieces of phase information corresponding to each of the plurality of different RF waves, confirm, on the basis of the plurality of pieces of strength information and the plurality of pieces of phase information, an optimum phase value such that a received RF wave has a maximum strength, and transmit a communication signal including information about the optimum phase value to the wireless power transmitting device through the communication circuit. Additional various embodiments are possible.

公开(公告)号：US20210313843A1

公开(公告)日：2021-10-07

申请号：US17262529

申请日：2019-09-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seunghyun LEE ,  Jaeseok PARK ,  Chongmin LEE ,  Sungbum PARK ,  Sanghyuk WI ,  Youngho RYU

IPC: H02J50/80 ,  H02J50/20 ,  H04B1/12 ,  H04B5/00 ,  H02J50/40

Abstract: According to various embodiments, an electronic device comprises: a communication circuit for receiving a data communication signal including an interference signal by means of a power signal generated by a wireless power transmission device; and at least one processor, wherein the at least one processor can be configured to receive information related to the power signal from the wireless power transmission device through the communication circuit, estimate information about a channel with the wireless power transmission device, and use the communication circuit so as to remove, before decoding the data communication signal, the interference signal from the data communication signal on the basis of the information related to the power signal and the information about the channel Other various embodiments are possible.

公开(公告)号：US20210288201A1

公开(公告)日：2021-09-16

申请号：US17262484

申请日：2019-07-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daehyun KIM ,  Youngjun PARK ,  Jeongman LEE ,  Kyungwoo LEE ,  Chongmin LEE

IPC: H01L31/055 ,  H01L31/054 ,  H02S10/20 ,  H02S40/30

Abstract: According to various embodiments, an electronic device comprises: a polymer including a plurality of quantum dots; at least one first solar cell disposed on a lower portion of the polymer; and at least one second solar cell disposed on a side portion of the polymer; and a battery configured to be charged with electrical energy from at least one of the first solar battery or the second solar battery, wherein: the first solar battery, in a first wavelength band, has a conversion efficiency greater than or equal to a threshold value; the second solar battery, in a second wavelength band different from the first wavelength band, has a conversion efficiency greater than or equal to the threshold value; and the wavelength of light that passes through the polymer may be within the first wavelength band, and the wavelength of light that is absorbed by at least some of the plurality of quantum dots and then remitted may be within the second wavelength bandwidth. Other various embodiments are possible.

公开(公告)号：US20210265862A1

公开(公告)日：2021-08-26

申请号：US17036940

申请日：2020-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sungku YEO ,  Chongmin LEE ,  Jaeseok PARK ,  Youngho RYU ,  Jeongman LEE

IPC: H02J50/10 ,  H02K7/14 ,  H05K5/02 ,  B25J13/00 ,  B25J9/12

Abstract: An electronic device and a method of controlling the electronic device are provided. The electronic device includes: a first housing, a second housing configured to detachably and rotatably engage with the first housing upon a first rotation axis, and defining an inner space when engaged with the first housing, a first waveguide supported by the first housing and extending toward the second housing along the first rotation axis in the inner space, a second waveguide supported by the second housing, extending toward the first housing along the first rotation axis in the inner space, and aligned to be spaced apart from the first waveguide by a predetermined distance, a first coil disposed in the first housing and outside the first waveguide, and a second coil disposed in the second housing, outside the second waveguide, and at a position corresponding to the first coil.