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    DISPLAY DEVICE AND CONTROL METHOD THEREFOR
    1.
    发明申请
    DISPLAY DEVICE AND CONTROL METHOD THEREFOR 有权

    公开(公告)号：US20220180826A1

    公开(公告)日：2022-06-09

    申请号：US17436508

    申请日：2020-03-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jeongil KANG

    IPC: G09G3/34

    Abstract: A display device and controlling method are provided. The display device includes a display including a display panel and a backlight unit arranged on the rear surface of the display panel, a light emitting frame including a plurality of light emitting elements, the light emitting frame being arranged on at least one edge of the display, a backlight driver, and a processor configured to control the backlight driver so as to supply power to the backlight unit based on an event for turning on the display occurring, and supply power to the light emitting frame based on an event for turning off the display occurring.

    DISPLAY APPARATUS
    2.
    发明申请
    DISPLAY APPARATUS 有权

    公开(公告)号：US20220158548A1

    公开(公告)日：2022-05-19

    申请号：US17588601

    申请日：2022-01-31

    Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION

    Inventor： Duhee JANG ,  Sangkyoo HAN ,  Jeongil KANG ,  Hyosoon CHOI ,  Kasan HA

    IPC: H02M1/42 ,  G09G3/20 ,  H02M3/335

    Abstract: Disclosed is a display apparatus including: a display; a transformer configured to boost an input alternating current (AC) first voltage and output a second voltage; a switch configured to allow an electric current to flow or stop in the transformer based on a control signal; a power factor correction (PFC) converter configured to correct a power factor of the output second voltage, and output a direct current (DC) third voltage to the display; and a controller configured to modulate a frequency of the control signal so that the second voltage has a target level, and increase or decrease the frequency of the control signal within a specified range to synchronize with an AC period of the first voltage.

    ELECTRONIC DEVICE HAVING PLURALITY OF CONVERTERS AND METHOD FOR MANUFACTURING SAME
    4.
    发明申请
    ELECTRONIC DEVICE HAVING PLURALITY OF CONVERTERS AND METHOD FOR MANUFACTURING SAME 有权

    公开(公告)号：US20250149969A1

    公开(公告)日：2025-05-08

    申请号：US19011898

    申请日：2025-01-07

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Keonwoo KIM ,  Moonyoung KIM ,  Jeongil KANG

    IPC: H02M1/00 ,  H02M3/00 ,  H02M3/335

    Abstract: An electronic device and a method of forming the electronic device is disclosed. The electronic device includes a first converter including a first transformer and a second transformer of which a primary winding is connected in parallel with a primary winding of the first transformer; and a second converter of which a primary input is connected in parallel with the first converter, and which includes a third transformer and a fourth transformer of which a primary winding is connected in parallel with a primary winding of the third transformer, wherein a secondary winding included in the first converter may be connected in series with a secondary winding included in the second converter.

    OVERVOLTAGE PROTECTION CIRCUIT AND OPERATION METHOD THEREOF
    6.
    发明申请
    OVERVOLTAGE PROTECTION CIRCUIT AND OPERATION METHOD THEREOF 有权

    公开(公告)号：US20210044199A1

    公开(公告)日：2021-02-11

    申请号：US16986822

    申请日：2020-08-06

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Moonyoung KIM ,  Jeongil KANG

    IPC: H02M1/32 ,  H02H1/00 ,  H02M1/08

    Abstract: Disclosed is an overvoltage protection circuit and method thereof. The overvoltage protection circuit includes a charge/discharge circuit configured to be charged or discharged based on a source voltage of a first transistor included in a non-isolated converter and a comparison circuit, based on a voltage charged in the charge/discharge circuit exceeding a threshold voltage, turn off a power supply circuit supplying power to the non-isolated converter.

    ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND DISPLAY APPARATUS
    7.
    发明申请
    ELECTRONIC APPARATUS, CONTROL METHOD THEREOF AND DISPLAY APPARATUS 有权

    公开(公告)号：US20210020096A1

    公开(公告)日：2021-01-21

    申请号：US16898828

    申请日：2020-06-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Moonyoung KIM ,  Jeongil KANG

    IPC: G09G3/32

    Abstract: An electronic apparatus is disclosed. The electronic apparatus includes: a power interface comprising circuitry connected with a display apparatus, a first converter comprising circuitry configured to convert an external power to a first driving power based on a first ground, a second converter comprising circuitry configured to convert the external power to a second driving power, based on a second ground, the second driving power having a voltage level lower than a voltage level of the first driving power, and a switch having a first end connected to an output end of the first converter, and the switch is connected to a power interface by one of the first end and a second end, wherein the switch is configured to be switched to supply one of the first driving power and the second driving power to the display apparatus through the power interface based on an operating state of the display apparatus.

    ELECTRONIC APPARATUS FOR PROVIDING MULTI-OUTPUT AND MANUFACTURING METHOD THEREOF
    9.
    发明公开
    ELECTRONIC APPARATUS FOR PROVIDING MULTI-OUTPUT AND MANUFACTURING METHOD THEREOF 审中-公开

    公开(公告)号：US20240107643A1

    公开(公告)日：2024-03-28

    申请号：US18228936

    申请日：2023-08-01

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Keonwoo KIM ,  Moonyoung KIM ,  Jeongil KANG

    IPC: H05B45/382 ,  H02M3/335

    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
    10.
    发明公开
    POWER SUPPLY AND METHOD FOR BALANCING POWER IN POWER SUPPLY 审中-公开

    公开(公告)号：US20240061483A1

    公开(公告)日：2024-02-22

    申请号：US18497247

    申请日：2023-10-30

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Moonyoung KIM ,  Jeongil KANG

    IPC: G06F1/26 ,  H01R13/70

    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.

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