Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Korea University Research and Business Foundation

Siemens Aktiengesellschaft

Korea Advanced Institute of Science and Technology

Hyundai Motor Company

Sungkyunkwan University

Hynix Semiconductor Inc.

Kia Corporation

Yonsei University

Shanghai United Imaging Healthcare Co., Ltd.

Stmicroelectronics Asia Pacific Pte Limited

Jaeseok Park

Sungku Yeo

Chongmin Lee

Youngho Ryu

Jaehyun Park

Beomwoo Gu

Hyoseok Han

Jeongman Lee

Jaesun Shin

Seunghyun Lee

Sungbum Park

Gyoowan Han

Kangho Byun

Sanghyuk Wi

Sangwook Lee

Daehyun Kim

Taewan Kim

Dongin Kim

Alexander Voronov

Songcheol Hong

Hoonjae Lee

Jin-Young Hwang

Kangyoon Lee

SeongOok Park

Taekil Oh

Seungho Myoung

Su-hyung Park

Jungkyu Han

Wonyong Kim

Jinhong Jeun

Seunghun Wang

Seungjae Lee

Hoon Hee Han

Eunha Choi

Jeonghan Song

Jiwon Park

Seongjin Park

Sungho Kang

Guobin Li

Seokho Yoon

Joayoung Lee

Jinseok Park

Jekil Ryu

Chaohong Wang

Hyojin Kim

Kawon Cheon

Sangyun Kim

Hyunseok Shin

Mina Kim

Kyongho Hong

Taeyong Kim

Bohwan Choi

Soonkyu Jang

Wonkyung Jang

Jooseob Ahn

Seongchae Jeong

Inae Han

Kyu-Bum Kim

Imran Ali

Byungchul Lee

Dae Sik Song

Kyubum Kim

Inho Lee

Hamed Abbasizadeh

Dong Sul Kim

Rao Shahid Aziz

Hyunkyung Maeng

Kwangtae Kim

Eunji Lim

Seongjin Oh

Solhee In

Jungseob Lee

Yeeun Chi

Bosuck Jeon

Gwanghyeon Jeong

Junhan Lim

Hyunyeol Lee

Jungsuk Hahn

Jonghee Lim

Suhyung Park

Jinhan Park

An electronic device may include: a battery, a resonant circuit including a receiving coil, at least one capacitor and at least one switch, a rectifier circuit; a DC/DC converter, a charge control circuit; and a controller, wherein the controller may be configured to check the voltage outputted from the rectifier circuit, control the at least one switch so that the receiving coil and the at least one capacitor form a serial resonant circuit, if the voltage output from the rectifier circuit is greater than or equal to a threshold voltage, and control the at least one switch so that the receiving coil and the at least one capacitor form a parallel resonant circuit, if the voltage output from the rectifier circuit is less than the threshold voltage.

Electronic device wirelessly receiving power, and operating method therefor

According to the disclosure, an electronic device and a method for displaying charging information for the electronic device are provided. According to the disclosure, an electronic device comprises: a first resonator including at least one coil, a second resonator including at least one coil, at least one light emitting device including light emitting circuitry, at least one phase shifter including phase shifting circuitry, and a processor. The processor may be configured to: control the electronic device to receive a signal for changing a wirelessly chargeable area, control the at least one light emitting device to display a second wirelessly chargeable area changed from a first wirelessly chargeable area of the electronic device on a plane where the electronic device is placed in response to receiving the signal for changing the wirelessly chargeable area, and control the at least one phase shifter to supply phase-shifted power to the first resonator or the second resonator to output wireless power in a direction corresponding to the second wirelessly chargeable area.

Electronic device transmitting wireless power and method for displaying charging information for electronic device

An apparatus for manufacturing a deposition mask including a stage on which a mask substrate is mounted, a light source configured to irradiate a laser beam, a beam splitter configured to split the irradiated laser beam into a plurality of laser beams, a scanner configured to simultaneously scan the plurality of laser beams onto the mask substrate, and a tuner configured to finely change irradiation states of the plurality of laser beams to correspond to shapes of a plurality of pattern holes, while the plurality of laser beams are scanned.

Deposition mask manufacturing apparatus

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.

Electronic device and method for controlling wireless charging in electronic device

An electronic device for wirelessly transmitting power may include a first resonator including a first coil, a second resonator including a second coil having a different size from the first coil, an impedance matching circuit including at least one capacitor connected through a switch, and a controller. The controller may be configured to identify which one of a first electronic device not mounted on the electronic device and a second electronic device mounted on the electronic device power is to be transmitted to. The controller may be configured to, when power is to be transmitted to the first electronic device, transmit power through the first resonator by opening the switch. The controller may be configured to, when power is to be transmitted to the second electronic device, transmit power through the second resonator by closing the switch.

Electronic device for wirelessly transmitting power including a plurality of coils, and method of operating the same

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.

Wireless power receiving device, wireless power transmitting device, and method for operating the same

The disclosure provides a wireless power transmitting apparatus and a method for wirelessly transmitting power by the wireless power transmitting apparatus. The wireless power transmitting apparatus according to an example embodiment comprises: a power amplifier; a coil connected to the power amplifier and configured to generate an electromagnetic field based on power received from the power amplifier; an impedance sensing circuit connected between the power amplifier and the coil; at least one auxiliary coil electromagnetically coupled to the coil; and a controller, wherein the controller may be configured to: identify a change in impedance, from a signal sensed through the impedance sensing circuit, and adjust an operation setting of the at least one auxiliary coil based on the identified change in impedance.

Wireless power transmitting apparatus and method for wirelessly transmitting power by wireless power transmitting apparatus

An electronic device includes a plurality of loads, at least one processor, a plurality of regulators configured to adjust a voltage of power received from a power source and output the adjusted power, and a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads. The at least one processor is configured to identify a load to which power is to be supplied among the plurality of loads, select at least one regulator among the plurality of regulators connectable to the identified load, and control the switching circuit to connect the at least one selected regulator to the identified load.

Electronic device for performing power management and method for operating the same

A laser processing apparatus includes a stage configured to transfer a target substrate and including an opening, an electrostatic chuck disposed on the stage and including a plurality of holes, and a laser irradiation unit disposed above the stage and spaced apart from the stage and configured to irradiate a laser beam on the target substrate. A surface of the electrostatic chuck is in contact with the target substrate, the target substrate includes a plurality of etching regions to be etched by the laser beam and a non-etching region surrounding the plurality of etching regions of the target substrate, and the plurality of holes of the electrostatic chuck overlap the opening of the stage and the plurality of etching regions of the target substrate.

Laser processing apparatus

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.

Electronic device including matching circuit for reducing harmonics

An electronic circuit according to various embodiments may comprise: a switch circuit, wherein the switch circuit may comprise: a first switch connected to a first port and a second switch connected to a second port, the first and second switches being connected in series with each other; a first parallel switch connected to a node between the first switch and the second switch; and a first shunt inductor connected to the node between the first switch and the second switch and configured to cancel a parasitic capacitance component of the first parallel switch.

Electronic circuit and power amplifier comprising same

The present disclosure is related to a vehicle capable of outputting a sensible response voice in response to an utterance command of a user. The vehicle includes a voice processor configured to convert an utterance command of a user into text information and recognize a domain and an named entity corresponding to the utterance command based on the text information; a database configured to store answer text corresponding to the domain and the named entity; a speaker; and a controller configured to receive information corresponding to the domain and the named entity, correct the answer text stored in the database based on the information corresponding to the domain and the named entity, and control the speaker to output the corrected answer text.

Vehicle and method of controlling the same

An electronic device is provided. The electronic device includes a display, a communication module, at least one processor operatively connected to the display and the communication module, and a memory operatively connected to the at least one processor, and the memory may store instructions which, when executed, cause the at least one processor to display, on the display, one or more keywords for searching for a content, to arrange and display, according to a designated criterion, one or more first categories among subordinate categories associated with the first keyword and one or more first contents associated with the first keyword, in response to identifying that a first keyword is selected among the one or more keywords, to arrange and display, according to the designated criterion, one or more second categories among subordinate categories associated with a selected category and one or more second contents associated with the selected category in the case that a selection input to one of the one or more first categories is identified, and to provide the selected content in the case that a selection input to one of the one or more first contents is identified.

Electronic device for searching for content and method thereof

Disclosed is a coil including a first conductor disposed on a first plane, a second conductor disposed on a second plane different from the first plane, and including a first end electrically connected to a first end of the first conductor, and a second end positioned near a second end of the first conductor, and a third conductor disposed on the first plane, and including a first end electrically connected to the second end of the second conductor, and a second end positioned near the first end of the second conductor, wherein a pattern of the first conductor connecting the first end of the first conductor from the second end of the first conductor is in a clockwise or counterclockwise direction when the first plane is viewed from a first side, and wherein a pattern of the third conductor connecting the second end of the third conductor from the first end of the third conductor is in a direction opposite to the direction of the pattern of the first conductor when the first plane is viewed from the first side.

Coil including structure for minimizing influence thereon by metal material and resonant circuit including same

The disclosure provides a variable wireless power transmitter including a plurality of resonators and a method of controlling the variable wireless power transmitter. A wireless power transmitter of the disclosure may include: a housing; a power amplifier disposed inside the housing; a first resonator including at least one coil and fixed to a first portion of the housing; a second resonator including at least one coil, rotatably disposed at a second portion of the housing, and configured to form a variable angle with the first resonator; a sensor configured to sense a shape change based on rotation of the second resonator; a controller configured to: identify a shape change of the first resonator and the second resonator based on a signal sensed by the sensor, identify whether impedance is matched for the first resonator or the second resonator based on the identification of the shape change, and generate a control signal for impedance matching for the first resonator or the second resonator based on identifying that the impedance is not matched; and a matching circuit including at least one coil and at least one capacitor, electrically coupled between the power amplifier and the first resonator, and configured to perform impedance matching based on the control signal received from the controller.

Variable wireless power transmitter including plural resonators and method of controlling the wireless power transmitter

Growing community of inventors

Seoul, South Korea

Jaeseok Park