TWI537905B - Display device and display device - Google Patents

Description

Display device and control method of display device

The present invention relates to a control method, and more particularly to a control method of a display device.

Referring to FIG. 1, the existing network multimedia display device 900 is generally configured with a plurality of transmission interfaces (such as USB, not shown), and can be coupled to a first peripheral device (such as a mouse or a keyboard) 910 to provide use. The first peripheral device 910 controls the display device 900 to perform functions such as surfing the Internet or playing multimedia. However, sometimes the user also connects an external host (such as a personal computer) 920 to the display device 900, and the external host 920 usually has the same function. There is a second peripheral device 930 such as a mouse or a keyboard, so in the case of connecting two sets of peripheral devices, the display device 900 only allows one of the peripheral devices to operate, that is, the second peripheral device 920, so that the first peripheral device The 910 will be inactive and idle, and such a design is not user friendly.

Accordingly, it is an object of the present invention to provide a display device that can solve the problem that only one of the existing display devices can operate when two sets of peripheral devices are connected.

Therefore, the display device of the present invention comprises: a video input interface, a first transmission interface, a second transmission interface, a switching module, a processing module and a control module.

The video input interface is configured to be coupled to an external host and receive an image signal sent by the external host; the first transmission interface is for coupling to an external host; the second transmission interface is for coupling to a peripheral device; The module is coupled to the first transmission interface and the second transmission interface; the processing module is coupled to the switching module; the control module is coupled to the switching module and the video input interface. The control module detects whether the video input interface receives the image signal, and if so, the control switching module couples the first transmission interface with the second transmission interface, so that the peripheral device can communicate with the external host, so that the user can pass through the peripheral device. To control the external host to perform corresponding actions, such as: mouse cursor movement, keyboard input, execution program, etc.; if not, the control switching module couples the second transmission interface with the processing module to make the processing module Corresponding actions are performed in conjunction with the control of peripheral devices, such as surfing the Internet or playing multimedia. In this way, regardless of whether the display device is coupled to the external host, the same group of peripheral devices can be controlled, which is more convenient and user-friendly.

In addition, the display device further includes another second transmission interface, which is coupled to the other peripheral device, and further includes a hub coupled between the second transmission interface and the switching module.

The external host includes a video signal line and a data transmission line. The video input interface is electrically connected to the video signal line to receive the video signal. The first transmission interface is electrically connected to the data transmission line to enable the peripheral device to communicate with the external host.

In addition, another object of the present invention is to provide a control method capable of controlling the operation of the above display device.

The control method of the display device of the present invention is implemented in a display device, and the display device is coupled to a peripheral device. The control method includes the following steps:

(A) detecting whether an image signal sent by an external host is received, and if so, performing step (B), otherwise performing step (C);

(B) coupling the peripheral device to the external host to enable the peripheral device to communicate with the external host through the display device;

(C) The corresponding action is performed in accordance with the control of the peripheral device.

The effect of the invention is that no matter whether the display device is coupled to the external host, the same set of peripheral devices can be controlled, and compared with the existing display device, the settings of a set of peripheral devices can be saved, and the use will be more Convenient and user-friendly.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

2 is a display device of the present invention. The display device 100 is a display capable of direct Internet access and multimedia playback, and can be coupled to an external host 200 such as a personal computer or a notebook computer. In the present embodiment, the display device 100 includes a video input interface 1, a first transmission interface 2, at least a second transmission interface 3 (two in this embodiment), and a hub (HUB) 4. A switching module 5, a processing module 6 and a control module 7.

The video input interface 1 is electrically connected to a video signal line 210 of the external host 200, which can be a video graphics array (VGA), a digital video interface (DVI), or a high-definition multimedia interface (High). The Definition Multimedia Interface (HDMI) or the like is configured to receive an image signal transmitted by the external host 200.

The first transmission interface 2 is configured to provide electrical connection with a data transmission line 220 of the external host 200, so that the display device 100 can transmit data and signals to and from the external host 200. The second transmission interfaces 3 are respectively provided for providing a peripheral device 300. The signal transmission line 310 is electrically connected, so that the display device 100 can perform corresponding actions in conjunction with the control of the peripheral device 300. In this embodiment, the two peripheral devices 300 are a mouse and a keyboard, respectively. The first transmission interface 2 and the second transmission interface 3 are both Universal Serial Bus (USB), but are not limited to this embodiment.

The hub 4 is coupled to the second transmission interface 3 for providing a plurality of second transmission interface 3 connection settings, so that the peripheral devices 300 can interact with the display device 100. The switching module 5 is a 1-to-2 demultiplexer (DEMUX), the input end of which is coupled to the hub 4, and the two output ends are respectively coupled to the first transmission interface 2 and the processing module 6 for switching peripheral devices. The signal transmission path of 300, but the switching module 5 is not limited to the solution multiplexer. The processing module 6 is coupled to the switching module 5 for processing signals transmitted by the peripheral device 300 and displayed on a display module (not shown). The control module 7 is coupled to the switching module 5 and the video input interface 1 for controlling the switching module 5 to switch the signal transmission path of the peripheral device 300. Specifically, in another embodiment, the display device 100 may also be provided with only one second transmission interface 3 electrically connected to the single peripheral device 300. In this design, the display device 100 may not require the hub 4, as long as the first The two transmission interface 3 can be directly coupled to the switching module 5.

Next, how the display device 100 of the present embodiment switches the signal transmission path of the peripheral device 300 to fully utilize the peripheral device 300, reduces the idle time thereof, and increases the convenience of use, with reference to FIG.

In step S10, the control module 7 detects whether the video input interface 1 receives the image signal sent by the external host 200, and if so, the video input interface 1 is electrically connected to the video signal line 210 of the external host 200. The display device 100 displays a screen of the external host 200, such as a desktop, a movie, etc., and at this time, the control module 7 executes step S20.

In step S20, the control module 7 controls the switching module 5 to couple the first transmission interface 2 with the second transmission interface 3, so that the peripheral device 300 can communicate with the external host 200. In this case, the peripheral device 300 acts as a control. The peripheral device of the external host 200, that is, the mouse and the keyboard for controlling the personal computer, the related control signals of the peripheral device 300 are transmitted to the external host 200 through the second transmission interface 3, the switching module 5, and the first transmission interface 2, The user can control the external host 200 to perform corresponding actions through the peripheral device 300, for example, the movement of the mouse cursor, the input of the keyboard, the execution program, etc., and the external host 200 can process the control signals. The display is transmitted back to the display device 100 by the video signal line 210.

If the control module 7 detects that the video input interface 1 has not received the video signal in step S10, step S30 is performed.

In step S30, the control module 7 controls the switching module 5 to couple the second transmission interface 3 with the processing module 6. At this time, the peripheral device 300 is changed to be a peripheral device for controlling the display device 100, and the relevant control signal is transmitted through the The transmission interface 3 and the switching module 5 are transmitted to the processing module 6, so that the processing module 6 can perform corresponding actions in conjunction with the control of the peripheral device 300, for example, surfing the Internet or playing multimedia.

In other words, when the external host 200 is not electrically connected to the display device 100, the peripheral device 300 may be a peripheral device for controlling the display device 100, and the user may control the display device 100 to perform a corresponding action through the peripheral device 300, once the external host is used. When the switch 200 is electrically connected to the display device 100, the peripheral device 300 is changed to be a peripheral device for controlling the external host 200, so that the user can control the external host 200 to perform a corresponding action through the peripheral device 300. In this way, the user does not need to additionally connect a set of peripheral devices to the external host 200, so that the peripheral device 300 that is originally electrically connected to the display device 100 is idle, which is more convenient and user-friendly in use.

In particular, the signal transmission between the display device 100, the external host 200, and the peripheral device 300 is not limited to the wired mode, and may be performed by means of wireless transmission, and is not limited to the embodiment.

In summary, the display device 100 of the present invention detects whether the video input interface 1 receives the image signal sent by the external host 200, and switches the signal transmission path of the peripheral device 300 through the switching module 5. The peripheral device 300 can be used as a peripheral device for controlling the display device 100 when the external host 200 is not coupled to the display device 100, and is used as a peripheral device for controlling the external host 200 when the external host 200 is coupled to the display device 100. It can save a group of peripheral devices, and it will be more convenient and user-friendly to use, so it can achieve the object of the present invention.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

100. . . Display device

200. . . External host

210. . . Video signal line

220. . . Data transmission line

300. . . Peripheral device

310. . . Signal transmission line

1. . . Video input interface

2. . . First transmission interface

3. . . Second transmission interface

4. . . Hub

5. . . Switching module

6. . . Processing module

7. . . Control module

1 is a block diagram showing a conventional display device electrically connected to an external host;

Figure 2 is a view showing a preferred embodiment of the display device of the present invention;

Fig. 3 is a view showing a control method of the display device of the present invention.

100. . . Display device

200. . . External host

210. . . Video signal line

220. . . Data transmission line

300. . . Peripheral device

310. . . Signal transmission line

1. . . Video input interface

2. . . First transmission interface

3. . . Second transmission interface

4. . . Hub

5. . . Switching module

6. . . Processing module

7. . . Control module

Claims (6)

A display device includes: a video input interface for coupling an external host, and receiving an image signal sent by the external host; a first transmission interface for coupling the external host; a second a switching interface for coupling to a peripheral device; a switching module coupled to the first transmission interface and the second transmission interface; a processing module coupled to the switching module; a display module, And the control module is coupled to the switching module and the video input interface, and the control module detects whether the video input interface receives the image signal. If yes, the switching module automatically controls the first transmission interface to be coupled to the second transmission interface, so that the peripheral device can communicate with the external host, and if not, automatically control the switching module to transmit the second transmission. The interface is coupled to the processing module, and the processing module performs a corresponding action in conjunction with the control of the peripheral device. The display device of claim 1, further comprising another second transmission interface, which is coupled to another peripheral device, the display device further comprising a second transmission interface coupled to the switch A hub between modules. The display device of claim 2, wherein the external host comprises a video signal line and a data transmission line, the video input The interface is electrically connected to the video signal line to receive the image signal, and the first transmission interface is electrically connected to the data transmission line to enable the peripheral device to communicate with the external host. The display device according to claim 1, wherein the first transmission interface and the second transmission interface are universal serial bus bars. The display device of claim 1, wherein the switching module is a 1-to-2 demultiplexer, the input end of which is coupled to the second transmission interface, and the two output ends are respectively coupled to The first transmission interface and the processing module. A display device is controlled by the display device according to any one of claims 1 to 5, wherein the display device is coupled to a peripheral device, and the control method comprises the following steps: (A) detecting Whether to receive an image signal sent by an external host, if yes, perform step (B), otherwise perform step (C); (B) couple the peripheral device with the external host, so that the peripheral device transmits the display The device communicates with the external host; and (C) performs a corresponding action in conjunction with the control of the peripheral device.