公开(公告)号：US20240305137A1

公开(公告)日：2024-09-12

申请号：US18582066

申请日：2024-02-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Beomwoo GU ,  Minbeom KO ,  Jaeseok PARK ,  Jaehyun PARK ,  Kangho BYUN ,  Sungku YEO

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

CPC classification number: H02J50/12 ,  H02J50/005 ,  H02J50/40 ,  H02J50/80

Abstract: According to an embodiment, a wireless power reception device may include: a housing, a first coil, and a power processing circuit configured to process power wirelessly received from the outside through the first coil. The housing may include a first surface facing a first direction, a second surface facing a second direction opposite the first direction, and a third surface surrounding a space between the first surface and the second the surface. The width of the third surface may be smaller than the width of the first surface. The first coil may be disposed in a region including a region substantially parallel to the third surface.

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：US20240267138A1

公开(公告)日：2024-08-08

申请号：US18431087

申请日：2024-02-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yungeun NAM ,  Hobin SONG ,  Hyogyuem RHEW ,  Jaehyun PARK ,  Jongshin SHIN

IPC: H04B17/29 ,  H04B17/19

CPC classification number: H04B17/297 ,  H04B17/19 ,  H04B17/295

Abstract: A transceiver according to an aspect of the inventive concepts may include a transmitter, a first receiver pad configured to receive a first external voltage, a second receiver pad configured to receive a second external voltage, a receiver configured to generate a test target signal based on the first external voltage and the second external voltage, and a digital logic configured to perform a loopback test on a reception path of a data signal by transmitting the data signal and receiving the test target signal.

公开(公告)号：US20230170743A1

公开(公告)日：2023-06-01

申请号：US18070854

申请日：2022-11-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Beomwoo GU ,  Jaeseok PARK ,  Jaehyun PARK ,  Sungku YEO ,  Jungkyu HAN

IPC: H02J50/70 ,  H02J50/12

CPC classification number: H02J50/70 ,  H02J50/12

Abstract: A wireless power transmitter may include a power amplifier configured to output an amplified signal based on an input signal and a driving voltage, a first LC resonant circuit connected in parallel to the power amplifier, a matching circuit, and a transmission coil connected to the matching circuit. The matching circuit may include a second LC resonant circuit including a first inductor and a first capacitor connected in series to the first inductor, and having one end connected to an output terminal of the power amplifier and one end of the first LC resonant circuit, and a second capacitor and a third capacitor respectively connected to the other end of the second LC resonant circuit. The first inductor may be configured to have an inductance value leading to an impedance of the second LC resonant circuit equal to or greater than a first predetermined magnitude at at least one second or higher harmonic frequency of an operating frequency of the input signal.

公开(公告)号：US20230053209A1

公开(公告)日：2023-02-16

申请号：US17886029

申请日：2022-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaehyun PARK ,  Beomwoo GU ,  Jaeseok PARK ,  Sungku YEO ,  Youngho RYU ,  Kyungwoo LEE ,  Jeongman LEE

IPC: H02J50/12 ,  H02J50/00

Abstract: An annular resonator and a wireless power transmitter are provided. The annular resonator includes upper and lower surfaces, outer and inner surfaces arranged along an annular shape, a plurality of conductors, and a plurality of capacitors connected to the plurality of conductors, respectively. Each conductor includes a first section arranged on the upper surface, a second section extending from the first section and arranged on the outer surface, a third section extending from the second section and arranged on the lower surface, and a fourth section extending from the third section and arranged on the inner surface. A first section of each of a first conductor, a second conductor, a third conductor, and a fourth conductor are sequentially arranged along the upper surface. A second section of each of the second conductor, the third conductor, the fourth conductor, and the first conductor are sequentially arranged along the outer surface.

公开(公告)号：US20230006470A1

公开(公告)日：2023-01-05

申请号：US17751105

申请日：2022-05-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wonkyung JANG ,  Kawon CHEON ,  Jaeseok PARK ,  Jaehyun PARK ,  Joayoung LEE ,  Hoon HAN

IPC: H02J50/00 ,  H02J50/12 ,  H02J7/00 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power receiving device includes a first housing, a second housing coupled to the first housing to be changed in relative position with respect to the first housing, a first resonance circuit disposed in the first housing, and at least one processor. The at least one processor may be configured to control the wireless power receiving device to wirelessly receive power from a wireless power transmitting device through the first resonance circuit, identify a charging efficiency corresponding to the received wireless power, and in case the identified charging efficiency is less than a threshold, provide content for changing an angle between the first housing and the second housing.

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：US20240364147A1

公开(公告)日：2024-10-31

申请号：US18765065

申请日：2024-07-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Beomwoo GU ,  Daehyun KIM ,  Jaehyun PARK ,  Kangho BYUN ,  Sungku YEO ,  Youngho RYU

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

CPC classification number: H02J50/90 ,  H02J50/12 ,  H02J50/80

Abstract: A wireless power transmission device is provided. The wireless power transmission device includes a transmission coil including a first member, which has one end and the other end forming a first angle with a plane, and a second member, which is arranged on the plane and is connected to each of the one end and the other end of the first member, an impedance sensor for outputting a voltage value corresponding to an impedance change amount of a resonance circuit, which includes the transmission coil, a magnetic body having a side surface that is dented, the dented side surface facing a portion of the transmission coil, a motor for moving the magnetic body, memory storing one or more computer programs, and one or more processors communicatively coupled to the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the wireless power transmission device to receive the output voltage value from the impedance sensor, calculate the difference value between a reference voltage value and the received voltage value, determine control information about the motor on the basis of the calculated difference value, and drive the motor through the determined control information so as to control the distance between the magnetic body and the portion of the transmission coil.

公开(公告)号：US20240322602A1

公开(公告)日：2024-09-26

申请号：US18680176

申请日：2024-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Beomwoo GU ,  Jaeseok PARK ,  Jaehyun PARK ,  Jaesun SHIN ,  Sungku YEO

IPC: H02J50/12

CPC classification number: H02J50/12

Abstract: An electronic device is provided. The electronic device includes a processor, a battery, and a wireless power transmission device, wherein the wireless power transmission device includes a power amplifier circuit including a switch circuit, a filter circuit, and a series resonant circuit, the power amplifier circuit being configured to convert direct current (DC) power received from the battery or a DC adapter into alternative current (AC) and to implement zero-voltage switching (ZVS), a power transmission circuit including a power transmission coil configured to transmit power received from the power amplifier circuit to outside, a matching circuit located between and connected to the power amplifier circuit and the power transmission circuit, the matching circuit being configured to match an impedance of the power amplifier circuit and the power transmission circuit, and a negative voltage detection circuit connected to the filter circuit of the power amplifier circuit and configured to detect a negative voltage generated in the filter circuit, and wherein the negative voltage detection circuit includes a voltage dividing circuit including a positive voltage power supply and a plurality of resistors, the voltage dividing circuit being configured to convert the negative voltage generated in the filter circuit of the power amplifier circuit into a positive voltage in a predetermined range, a voltage sensor configured to detect the positive voltage, and a low-pass filter located between and connected to the voltage dividing circuit and the voltage sensor.

公开(公告)号：US20240178307A1

公开(公告)日：2024-05-30

申请号：US18518729

申请日：2023-11-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minsu SEOL ,  Sungil PARK ,  Jaehyun PARK ,  Kyung-Eun BYUN ,  Eunkyu LEE ,  Junyoung KWON ,  Minseok YOO

IPC: H01L29/76 ,  H01L29/24 ,  H01L29/78

CPC classification number: H01L29/7606 ,  H01L29/24 ,  H01L29/78391

Abstract: A semiconductor device may include a multi-layer gate dielectric layer and an electronic apparatus including the semiconductor device. The semiconductor device may include a channel layer including a two-dimensional semiconductor material, a gate dielectric layer on a first area of the channel layer, a gate electrode on the gate dielectric layer, and source and drain electrodes in a second area of the channel layer. The gate dielectric layer may include a high-k dielectric layer and an intermediate dielectric layer. The intermediate dielectric layer may be between the high-k dielectric layer and the channel layer. A dielectric constant of the intermediate dielectric layer may be less than a dielectric constant of the high-k dielectric layer.