Display apparatus and method of supplying power to USB device thereof
First Claim
1. A display apparatus processing a video signal from a main body so as to display a picture, comprising at least one USB port having a power pin through which a USB driving power is supplied from at least one USB port provided in the main body.
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Abstract
A display apparatus processing a video signal from a main body to display a picture, including a USB hub with at least one LCD USB port having a power pin through which a USB driving power is supplied from at least one USB port provided in the main body. With this configuration, a display apparatus and a method of supplying power to a USB device thereof are provided, in which power from a main body is supplied to the USB device attached to the USB hub of the display apparatus regardless of a power saving mode (the S3 mode of the ACPI).
63 Citations
31 Claims
- 1. A display apparatus processing a video signal from a main body so as to display a picture, comprising at least one USB port having a power pin through which a USB driving power is supplied from at least one USB port provided in the main body.
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6. A method of supplying power to a USB device of a display apparatus having at least one USB port to which the USB device is attached, the at least one USB port provided in the display apparatus being provided with a power pin, the method comprising:
supplying a driving power from a main body to the at least one USB port of the display apparatus. - View Dependent Claims (7, 8)
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9. A display apparatus processing a video signal from a main body to display a picture, comprising:
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at least one USB port receiving a user input signal; and
a controller controlling communication between the main body and the display apparatus in response to the user input signal through the at least one USB port of the display apparatus, the controller receiving a driving power from a USB port provided in the main body. - View Dependent Claims (10, 11, 12, 13)
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14. A display apparatus processing a video signal from a main body so as to display a picture, comprising:
a first USB port having a plurality of connector pins including a power pin, the power pin being connected to a power supply supplying power to a controller controlling the first USB port. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A connecting cable connecting a main body and a display apparatus, comprising:
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a main body connector including at least one among a power connector, a USB connector, and a video connector; and
a display apparatus connector transmitting signals from the power connector, the USB connector, and the video connector to a display apparatus.
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21. An LCD monitor used with a computer main body, comprising:
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a power input port to receive power from a power supply of the computer main body and output the received power to a USB device when the computer body is in a wake mode; and
a reverse current preventing circuit to receive a driving power outputted from a USB port and to output the driving power to a USB device when the computer main body is in a power saving mode, and prevent power from being transmitted to the USB port. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A computer comprising:
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a main body to supply power; and
a display unit having a USB port to receive power from the main body, wherein the USB port receives power from the main body regardless of whether or not the computer is in a power saving mode.
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31. A method of supplying power to a display apparatus comprising:
supplying power from a main body to a USB device provided in a USB hub of the display apparatus regardless of whether or not the display device is in a power saving mode.
Specification