Display panel module and electronic device including multiple display panel modules

    公开(公告)号:US11474571B2

    公开(公告)日:2022-10-18

    申请号:US17177542

    申请日:2021-02-17

    Abstract: A display panel module and an electronic device is provided, the display pane module including a plurality of display panel modules. According to the disclosure, an electronic device comprises: a housing, a cover glass, a plurality of display panels disposed adjacent to a rear surface of the cover glass in the housing, a plurality of first heat dissipation plates disposed adjacent to rear surfaces of the plurality of display panels in the housing, a plurality of power/data reception circuit boards disposed adjacent to rear surfaces of the plurality of first heat dissipation plates in the housing, a support configured to support at least a portion of the plurality of power/data reception circuit boards, and a power/data transmission circuit board having at least a portion contacting and supported by the support and spaced apart by a predetermined distance from the plurality of power/data reception circuit boards in a space provided by the support. The power/data transmission circuit board includes a plurality of first antennas corresponding to a plurality of second antennas included in each of the plurality of power/data reception circuit boards and a transmission resonator corresponding to a plurality of reception resonators included in each of the plurality of power/data reception circuit boards.

    Wireless power transmission device, and electronic device for wirelessly receiving power and operating method therefor

    公开(公告)号:US11355970B2

    公开(公告)日:2022-06-07

    申请号:US16969091

    申请日:2018-12-24

    Abstract: According to various embodiments, a wireless power transmission device comprises: a first-scheme communication circuit; a power source for generating a source signal; a power transmission circuit for forming an RF wave on the basis of the source signal; and a control circuit, wherein the control circuit can be configured to receive, from an electronic device supporting first-scheme communication and second-scheme communication, a communication signal including information on a communication environment according to the second-scheme communication through the first-scheme communication circuit, and to control, on the basis of the information on the communication environment according to the second-scheme communication, the frequency of the source signal generated by the power source and/or the transmission strength of the RF wave. Other various embodiments are possible.

    Electronic device to perform power management and operating method thereof

    公开(公告)号:US11347253B2

    公开(公告)日:2022-05-31

    申请号:US17022540

    申请日:2020-09-16

    Abstract: An electronic device according to an embodiment may include: a plurality of loads, a processor, and a power management circuit configured to provide the plurality of loads with a power, wherein the power management circuit may include a plurality of regulators configured to adjust a voltage of a power received from a power source and output a voltage-adjusted power, a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads, a plurality of power sensors each power sensor being configured to measure a magnitude of a power input to each of the plurality of loads, and a controller. The controller may be configured to obtain information related to an operation of each of the plurality of loads from the processor, obtain the magnitude of the power input to each of the plurality of loads from each of the plurality of power sensors, and identify a load which operates abnormally among the plurality of loads based on the magnitude of the power input to each of the plurality of loads and the information related to the operation of each of the plurality of loads.

    WIRELESS POWER TRANSMISSION DEVICE FOR DETECTING HUMAN BODY, AND OPERATING METHOD

    公开(公告)号:US20250088041A1

    公开(公告)日:2025-03-13

    申请号:US18958760

    申请日:2024-11-25

    Abstract: A wireless power transmission device includes: a power transmission coil; a first circuit electrically connected to the power transmission coil and configured to provide first power of a first frequency to the power transmission coil; a sensing antenna configured to detect a human body; a second circuit electrically connected to the sensing antenna; and a controller, where the controller is configured to: control the first circuit to provide the first power of the first frequency to the power transmission coil; control the second circuit to provide a second power of a second frequency, which is different from the first frequency, to the sensing antenna in a state in which the first power is provided to the power transmission coil; and obtain at least one parameter based on at least one sensing result for at least one point of the second circuit from the second circuit.

    Electronic device including matching circuit for reducing harmonics

    公开(公告)号:US12155235B2

    公开(公告)日:2024-11-26

    申请号:US18070854

    申请日:2022-11-29

    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.

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

    公开(公告)号:US12107442B2

    公开(公告)日:2024-10-01

    申请号:US17667964

    申请日:2022-02-09

    CPC classification number: H02J50/70 H01F27/263 H02J7/02 H02J50/12

    Abstract: 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.

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