A display device and its operating method
A display device and display screen technology, which is applied in the fields of instruments and electrical digital data processing, etc., can solve the problems of limited power provided by mobile devices, limited power of mobile devices, and inability to control mobile devices, so as to facilitate the control of desktops and avoid the limitation of power. Effect
Active Publication Date: 2017-06-16
QISDA SUZHOU +1
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Problems solved by technology
When the mobile device uses its USB OTG function, when the mobile device is used as the OTG master device, the mobile device needs to provide power to the slave devices (such as keyboard, mouse, flash drive, etc.), but because the power stored in the mobile device itself is limited, so , the power provided by the mobile device to the slave device is also limited
And in the prior art, after the mobile device is equipped with a display, the mobile device cannot control the desktop of the mobile device, causing inconvenience in use
Method used
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[0036] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.
[0037] Such as figure 1 As shown, a schematic diagram of a display device provided by an embodiment of the present invention is disclosed, and the display device may be a liquid crystal display. The display device 1 includes: a screen 11 , a first interface 12 , a data switching unit 13 and a processing unit 14 . Wherein, the screen 11 is used for displaying a picture, and the picture includes a man-machine interface. The first interface 12 has a first power supply pin, and the first interface 12 is used for connecting the first device. The processing unit 14 is used to receive the switching instruction sent by the man-machine interface, and control the data switching unit 13 and the first power supply pin according to the switching instruction to selectively switch...
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The present invention provides a display device, which includes: a screen for displaying a picture, the picture includes a man-machine interface; a first interface with a first power supply pin, the first interface is used for connecting a first device; A switching unit; a processing unit, configured to receive a switching instruction sent by the man-machine interface, and control the data switching unit and the first power supply pin according to the switching instruction to selectively switch the first device as a master device or a slave device , and when the first device is the master device, the first power supply pin is controlled to provide power for the first device.
Description
technical field [0001] The invention relates to the field of display devices, in particular to a display device capable of charging a connected mobile device. Background technique [0002] With the development of science and technology, mobile devices such as mobile phones or tablet computers with OTG (On-The-Go) function and output image function are widely used by people. Ordinary users often use a display with a mobile device. The USB (Universal Serial Bus, Universal Serial Bus) OTG on the mobile device enables the USB device to connect and communicate with more than two USB devices without using a calculator. When the mobile device uses its USB OTG function, when the mobile device is used as the OTG master device, the mobile device needs to provide power to the slave devices (such as keyboard, mouse, flash drive, etc.), but because the power stored in the mobile device itself is limited, so , the power provided by the mobile device to the slave device is also limited. ...
Claims
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IPC IPC(8): G06F13/40
Inventor 范泽崴
Owner QISDA SUZHOU