DISPLAY DEVICE COMPRISING TRANSFORMER COMPRISING CORE HAVING STRUCTURE RELATED WITH COUPLING FACTOR OF INDUCTOR

    公开(公告)号:US20230065839A1

    公开(公告)日:2023-03-02

    申请号:US17861342

    申请日:2022-07-11

    Abstract: A display device includes: a transformer including a core including a first surface and a protrusion protruding from the first surface along a direction which the first surface faces, wherein a cross-section of a first portion of the protrusion perpendicular to the direction which the first surface faces has a first area and a cross-section of a second portion of the protrusion between the first portion and the first surface has a second area that is larger than the first area; a first inductor sub-assembly including a first bobbin having a first opening corresponding to the first area, to be in contact with an outer circumference of a first portion of the core, and an inductor wound around the first bobbin; and a second inductor sub-assembly including a second bobbin having a second opening corresponding to the second area, to be in contact with an outer circumference of a second portion of the core, and an inductor wound around in the second bobbin.

    ELECTRONIC DEVICE
    14.
    发明申请

    公开(公告)号:US20210249950A1

    公开(公告)日:2021-08-12

    申请号:US16973334

    申请日:2019-07-11

    Abstract: An electronic apparatus includes: an operator; and a power circuit configured to supply power to the operator, wherein the power circuit includes a first voltage converter configured to output a first voltage based on input power, and a power factor corrector (PFC) configured to output a second voltage by performing power factor correction for the first voltage, and supplies power based on the first voltage or the second voltage to the operator, wherein the power circuit stops an operation of the PFC, lowers the first voltage to have a level corresponding to the second voltage, and supplies power based on the lowered first voltage to the operator, based on power consumption of the operator lower than or equal to a predetermined value.

    ELECTRONIC APPARATUS AND CONTROL METHOD THEREOF

    公开(公告)号:US20210072808A1

    公开(公告)日:2021-03-11

    申请号:US17013982

    申请日:2020-09-08

    Abstract: An electronic apparatus includes: a plurality of input ports to which a plurality of first external devices are connected; a converter; an output port to which a second external device is connected; and a processor that controls the converter to convert a plurality of input voltages of the plurality of first external devices connected to the plurality of input ports into an output voltage, identifies whether power is capable of being supplied by each of the input voltages, and controls the converter to output the converted output voltage to the second external device to the output port, based on whether the power is capable of being supplied.

    POWER DELIVERY APPARATUS
    16.
    发明申请

    公开(公告)号:US20240405585A1

    公开(公告)日:2024-12-05

    申请号:US18608390

    申请日:2024-03-18

    Abstract: Disclosed is a power delivery apparatus for transmitting power through a universal serial bus (USB). The power delivery apparatus may include a driving circuit configured to output an internal operating voltage by an induced electromotive force due to a current flowing through a primary coil. The driving circuit may include secondary coils having different winding directions and may be configured such that a plurality of rectification circuits are coupled in series.

    ELECTRONIC APPARATUS FOR PROVIDING MULTI-OUTPUT AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20240107643A1

    公开(公告)日:2024-03-28

    申请号:US18228936

    申请日:2023-08-01

    CPC classification number: H05B45/382 H02M3/33569

    Abstract: An electronic apparatus including a converter including a first transformer, the first transformer including a primary-side winding and a secondary-side winding; a first rectifier connected to the secondary-side winding of the first transformer, and including a diode; and a second transformer including a primary-side winding and a secondary-side winding, wherein the secondary-side winding of the first transformer is a single winding, and the primary-side winding of the second transformer is connected to a node to which the secondary-side winding of the first transformer and the diode included in the first rectifier are connected.

    POWER SUPPLY AND METHOD FOR BALANCING POWER IN POWER SUPPLY

    公开(公告)号:US20240061483A1

    公开(公告)日:2024-02-22

    申请号:US18497247

    申请日:2023-10-30

    CPC classification number: G06F1/263 H01R13/70

    Abstract: Various embodiments of the present disclosure relate to balancing power in a power supply. To this end, a power supply may comprise: a plurality of power supply lines configured to respectively transmit power of a plurality of voltages; a power balancing control unit comprising circuitry configured to obtain each amount of power usage for each of the plurality of power supply lines, and generate a control signal based on each of the obtained amounts of power usages; and a power balancing unit comprising circuitry configured to transform a voltage of a current drawn from a first power supply line from among the plurality of power supply lines and provide the transformed voltage to a second power supply line from among the plurality of power supply lines.

    DISPLAY APPARATUS AND CONTROL METHOD THEREOF
    19.
    发明公开

    公开(公告)号:US20230307947A1

    公开(公告)日:2023-09-28

    申请号:US18130609

    申请日:2023-04-04

    CPC classification number: H02J9/065

    Abstract: A display apparatus is disclosed. The display apparatus includes: a backlight; a main circuit; a power supply configured to output a first power to drive the backlight and a second power to drive the main circuit; a first battery configured to be charged by the first power and supply power to the backlight; a second battery which is connected to the first battery in series, and configured to be charged by the first power and supply power to the backlight and the main circuit; and a control circuit configured to control the first battery and the second battery to be charged with the first power for a first time period, and drive the backlight with first battery power of the first battery and second battery power of the second battery for a second time period.

    TRANSFORMER DEVICE AND ELECTRONIC DEVICE COMPRISING SAME

    公开(公告)号:US20230035452A1

    公开(公告)日:2023-02-02

    申请号:US17961244

    申请日:2022-10-06

    Abstract: A transformer device includes a transformer circuit having a shape arranged to be connected to another transformer device, and a connector provided on one side of the transformer circuit such that the transformer circuit is connected to a cable connected with another transformer device where the transformer circuit is configured to be connected to a transformer circuit of another transformer device through the cable to increase a voltage or current provided to a load.

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