Display apparatus and power supply thereof

    公开(公告)号:US12100370B1

    公开(公告)日:2024-09-24

    申请号:US18120791

    申请日:2023-03-13

    CPC classification number: G09G5/10 G09G2320/0626 G09G2330/021 G09G2330/027

    Abstract: A display apparatus includes: a display, a processor configured to process image data to be displayed on the display, a transformer including a primary coil and a plurality of secondary coils, a first rectifier connected with a first coil of the plurality of secondary coils and configured to output a first output voltage corresponding to a number of turns of the first coil, a direct current-direct current (DC-DC) converter configured to receive the first output voltage from the first rectifier and output a second output voltage that is different from the first output voltage, and a second rectifier connected with a second coil of the plurality of secondary coils and configured to output a first load voltage which is a sum of the second output voltage and a third output voltage corresponding to a number of turns of the second coil to the display.

    Display apparatus and control method thereof

    公开(公告)号:US12255490B2

    公开(公告)日:2025-03-18

    申请号:US18130609

    申请日:2023-04-04

    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.

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