CN103000160A - Display system - Google Patents

Abstract

The invention discloses a display system, which includes at least one main control terminal and at least one display terminal. The main control terminal includes a main board and a wireless signal transmission module. The main board is used to receive signals input by external devices and transmit them in real time after processing. Send to the wireless signal sending module; the wireless signal sending module is connected to the main board; the display terminal includes a wireless signal receiving module, a signal processing module and a display terminal panel, and the wireless signal receiving module is connected to the signal processing module; the signal processing module is used for The image display driving signal is obtained through processing, and the display terminal panel performs screen display. The display system disclosed by the present invention can facilitate the user to realize the display control of multiple display terminals based on one display terminal when it is necessary to use multiple display terminals for synchronous display, reduce the production cost of display terminals, and provide users with daily Bring convenience to work and life and improve the quality of life of users.

Description

a display system

technical field

The present invention relates to the field of electronic technology, in particular to a display system.

Background technique

With the continuous development of science and technology in our country, home appliances such as monitors, projectors, all-in-one machines, computers, televisions, video cameras, and cameras are becoming more and more popular in people's daily life, and have become an indispensable part of people's lives.

For the current display, it is composed of a display main board and a display panel (PANEL), and a data line (such as a low-voltage differential signal LVDS line) is used for signal transmission between the display main board and the display panel. Each display must have a display motherboard and a display panel, so that the signal transmission and display functions can be completed together.

In view of the above, each display must have a display main board and a display panel, and a display main board is only connected to a single display panel. Display, and the production cost of each display is higher, which greatly increases the economic expenditure of the user, and also needs to consume more electric energy at the same time, which obviously improves the use cost of the display, which is not conducive to the wide application of the display.

Therefore, there is an urgent need to develop a technology that can facilitate users to control multiple displays in situations where multiple displays need to be used for synchronous display, while reducing the production cost of the display and bringing convenience to the daily work and life of the user. , improve the user's quality of life.

Contents of the invention

In view of this, the purpose of the present invention is to provide a display system, which can facilitate the user to control multiple display terminals and reduce the production cost of each display terminal, Bring convenience to users' daily work and life, improve users' quality of life, and help enhance users' product experience, which has great practical significance in production.

To this end, the present invention provides a display system, including at least one main control terminal and at least one display terminal, wherein:

The main control terminal includes a main board and a wireless signal sending module, wherein the main board is used to receive a signal input by an external device, and after encryption and compression processing, send it to the wireless signal sending module in real time; the wireless signal sending module, and The main boards are connected to each other, and after receiving the processed signal sent by the main board, wirelessly send it to the wireless signal receiving module in the display terminal in real time;

The display terminal includes a wireless signal receiving module, a signal processing module and a display terminal panel, wherein the wireless signal receiving module is connected to the signal processing module for real-time wireless receiving of the processed signal sent by the wireless signal sending module of the main control terminal, Then forward it to the signal processing module; the signal processing module is used to decrypt and decompress the signal sent by the wireless signal sending module, and process to obtain the image display drive signal, and then send it to the display terminal panel in real time, and the display terminal panel performs the screen display in real time .

Wherein, the signals input by the external device include RGB signals and control signals, and the main board encrypts and compresses the RGB signals and the control signals separately to form a transmission minimized differential signal TMDS and send it to the wireless signal sending module.

Wherein, the signal processing module decrypts and decompresses the received signal, restores the RGB signal and the control signal, converts the RGB signal into a low-voltage differential signal LVDS, and sends it to the display terminal panel, Realize the output function of the image screen; send the backlight control signal to the control circuit of the display terminal panel to realize the control of the working state of the display panel.

Wherein, the RGB signal includes a timing control signal, and the timing control signal is sent to the timing controller TCON of the display terminal panel to control the output of the image screen; the backlight control signal is sent to the backlight control circuit of the display terminal panel in real time , controlling the display terminal panel to adjust to a working state with content required by the backlight control signal.

Wherein, the main control terminal also includes a main control terminal panel, and the main control terminal panel is connected to the main board;

The main board is also used to process the signal input by the external device to form an image display driving signal, which is sent to the main control terminal panel in real time for real-time image display.

Wherein, the wireless signal receiving module and the signal processing module are integrated on the display terminal panel of the display terminal; the wireless signal sending module is integrated on the main board of the main control terminal.

Wherein, the wireless signal sending module and the wireless signal receiving module are all wifi modules, bluetooth modules or infrared modules. the

Wherein, at least one antenna is installed on the wireless signal sending module and the wireless signal receiving module.

Wherein, the signal processing module is a graphics processor GPU, a central processing unit CPU, a digital signal processor DSP or a single-chip microcomputer MCU.

It can be seen from the above technical solutions provided by the present invention that compared with the prior art, the display system provided by the present invention is provided with a wireless signal sending module and a wireless signal receiving module on the main control terminal and the display terminal respectively, allowing The main board of the main control terminal controls the display terminal panels of multiple display terminals to display synchronously through wireless means, so that the main board can be used in classrooms, conference rooms and other occasions where multiple display terminals are required to be used for synchronous display. Realize the display control of multiple display terminals, reduce the production cost of each display terminal at the same time, bring convenience to users' daily work and life, improve the quality of life of users, and help enhance users' product experience. It has significant production practice significance.

Description of drawings

Fig. 1 is a schematic structural diagram of a display system provided by the present invention;

FIG. 2 is a schematic structural diagram of Embodiment 1 of a display system provided by the present invention.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1, the present invention provides a display system, including at least one main control terminal 100 and at least one display terminal 200, wherein:

The main control terminal 100 includes a main board 101 and a wireless signal sending module 102, wherein the main board 101 is used to receive signals input by an external device (such as a computer) (for example, multimedia signals including video and audio signals and control signal), and after encryption and compression processing, it is sent to the wireless signal sending module in real time; the wireless signal sending module 102 is connected to the main board 101 (VGA cable, DVI cable or HDMI cable), and is used for receiving After the processed signal sent by the main board 101 is wirelessly sent to the wireless signal receiving module in the display terminal in real time;

The display terminal 200 includes a wireless signal receiving module 103, a signal processing module 104, and a display terminal panel 105, wherein the wireless signal receiving module 103 is connected to the signal processing module 102 for real-time wireless receiving The processed signal is then forwarded to the signal processing module 104; the signal processing module 104 is used to decrypt and decompress the signal sent by the wireless signal sending module, and process to obtain an image display driving signal (such as a low-voltage differential signal LVDS), and then Send to the display terminal panel 105 in real time, display the screen in real time by the display terminal panel, and send it to the display terminal panel in real time after obtaining the control signal, and control the display terminal panel to adjust to the working state with the content required by the control signal ( For example, control and adjust the screen display brightness, contrast and other display states of the display terminal panel).

Therefore, for the display system provided by the present invention, which includes multiple display terminals, that is, at least one main control terminal 100 and at least one display terminal 200, the main board can transmit the wireless signal through the wireless signal transmission module on the main control terminal and the wireless signal transmission module on the display terminal. The signal receiving module enables the main board 101 of the main control terminal 100 to realize the wireless signal connection with the signal processing modules of multiple display terminals, that is, the signal input by the external device can be wirelessly sent to the display terminal, and the signal processing of the display terminal After the module decrypts and decompresses the signal, it obtains the image display driving signal, and finally displays the image screen by the display terminal panels of multiple display terminals. Therefore, the present invention provides a display system that can be used in classrooms, meeting rooms, and other occasions where multiple display terminals are required to be used for synchronous display. By allowing one main board to wirelessly control multiple display terminal panels, it is convenient for users to use one display terminal. The terminal realizes the display control of multiple display terminals, which brings convenience to the daily work and life of the user and improves the quality of life of the user.

In the present invention, in specific implementation, the wireless signal receiving module and the signal processing module can be integrated on the display terminal panel of the display terminal; in addition, the wireless signal sending module can also be integrated on the main control on the motherboard of the terminal.

In the present invention, the display terminal may include any device with a screen display function such as a mobile phone, a PDA (handheld computer), a mobile PC, a tablet computer, or a computer monitor.

In the present invention, the wireless signal sending module and the wireless signal receiving module may both be wifi modules, bluetooth modules, infrared modules or other wireless modules, such as near field communication (Near Field Communication, NFC) chips.

In the present invention, in specific implementation, at least one antenna is installed on the wireless signal sending module 102 and the wireless signal receiving module 103, so that the wireless signal sending and receiving strength of the wireless signal sending module and the wireless signal receiving module can be enhanced , to provide better wireless signal transmission quality.

In the present invention, it should be noted that the signals input by the external device may be multimedia signals including video and audio signals and control signals. In terms of specific implementation, the multimedia signal may include: various forms of video and audio signals such as analog (Analog), digital video interface (DVI) signals, and high-definition multimedia interface (HDMI) signals; the control signal may include screen brightness Various control signals such as the adjustment signal and the picture contrast adjustment signal, of course, can also be other types of control signals according to the needs of the user.

In the present invention, the signal processing module 104 correspondingly controls the working state of the display terminal panel according to the specific content of the control signal input by the external device. For example, when the signal processing module receives the screen brightness adjustment signal and the screen contrast adjustment signal, it correspondingly adjusts the brightness and contrast of the display terminal panel until the display terminal panel meets the content requirements of the received control signal.

In the present invention, in specific implementation, the signal processing module 104 is preferably a graphics processing unit GPU (i.e. a display chip), and of course it can also be other modules with signal processing functions, such as central processing unit CPU, digital signal Processor DSP or single-chip MCU.

In a specific implementation, the image display driving signal is, for example, a low-voltage differential signal LVDS or a low-amplitude signal RSDS, and may also be other video signals used to drive the display panel for image display.

In the present invention, referring to FIG. 2 , in specific implementation, the main control terminal 100 may also include a main control terminal panel 106, which is connected to the main board 101, so that the main control terminal 100 can simultaneously With image display function, it can be used as a display terminal at the same time. At this time, the display terminal main board is also used to process the video signal input by the external device to form an image display driving signal, which is sent to the main control terminal panel 106 in real time, and the main control terminal panel 106 performs screen display in real time. For example, it should be noted that the main board of the main control terminal 100 can be used to receive signals input by external devices (such as transmission minimized differential signals TMDS), and then the signals are scaled to form image display driving signals (such as low-voltage Differential signal LVDS), and then output to the display terminal panel of the display terminal (such as LCD liquid crystal display) for display. Of course, the main board can also process other forms of video signals input by external devices to form image display driving signals, and then output to the main control terminal panel 106 of the main control terminal 100 .

In the present invention, in terms of specific implementation, the external device can input RGB signals and control signals to the main board 101 of the main control terminal 100, and the main board 101 of the main control terminal 100 continues to encrypt and compress the RGB signals and control signals (specifically compress In order to separate the RGB DATA and the control signal for compression), form a minimum transmission differential signal TMDS (specifically compressed into TMDS Stream, and then send it to the wireless signal receiving module 103 of the display terminal through the wireless signal sending module 102, and then the wireless signal receiving module 103 is forwarded to the signal processing module 104 of the display terminal. After the signal processing module decrypts and decompresses the signal, it restores the original RGB signal and control signal respectively, converts the RGB signal into a low-voltage differential signal LVDS, and then sends To the display terminal panel 105 (specifically, it can be a timing control signal to the timing controller TCON of the display terminal panel) to realize the output function of the image screen, and at the same time send the backlight control signal to the control circuit on the display panel (such as backlight control circuit), and finally realize the working state control of the display panel. Specifically, for the present invention, the display terminal is preferably a display, and the main board is preferably a display terminal main board, so that by using the technical solution of the present invention, the The user only needs to use an external device (such as a computer), connect the host computer of this computer to a main control terminal with a main board, and the main control terminal will wirelessly forward the signal input by the external device to other displays to realize Perform display control and operation control on other monitors, which is convenient for users to control and use computers daily.

For example, for a user, if the display system provided by the present invention is used in a meeting room or a classroom, the display in a room only needs to use a main board to send a signal to each display, and the picture display and work of all the displays can be realized. The effect of state synchronization does not require the help of other software.

It should be noted that, for the display system provided by the present invention, it can overcome the problem that the existing technology can only perform short-distance wired data transmission by allowing the main board and the display terminal panel to perform long-distance wireless signal communication, and can Allowing multiple display terminals to share a mainboard to realize the synchronization of screen display and working status can save the production cost of the display terminals.

In terms of specific implementation, in the present invention, the motherboard of the main control terminal may have at least three data interfaces (such as VGA interfaces), and each of the data interfaces is connected to an external device for receiving input from the external device. Signal. By connecting different interfaces to different external devices, multiple different users can control the use of the main control terminal, and use the same motherboard to control the display panels of multiple different display terminals, that is, multiple Under the condition that the user shares a mainboard, the signals of the host computer where the user is located are displayed on the display panels of different display terminals without interfering with each other.

In summary, compared with the prior art, the present invention provides a display system, which is provided with a wireless signal sending module and a wireless signal receiving module on the main control terminal and the display terminal respectively, so that the main board of the main control terminal By wirelessly controlling the display terminal panels of multiple display terminals to display synchronous screens, it is possible to use multiple display terminals for synchronous display in classrooms, conference rooms, etc., and it is convenient for users to realize multiple display terminals based on one display terminal. Display control, while reducing the production cost of each display terminal, bring convenience to users' daily work and life, improve the quality of life of users, and help enhance users' product experience, which has great practical significance in production.

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention.

Claims (9)

1. A display system, characterized in that it comprises at least one main control terminal and at least one display terminal, wherein: The main control terminal includes a main board and a wireless signal sending module, wherein the main board is used to receive a signal input by an external device, and after encryption and compression processing, send it to the wireless signal sending module in real time; the wireless signal sending module, and The main boards are connected to each other, and after receiving the processed signal sent by the main board, wirelessly send it to the wireless signal receiving module in the display terminal in real time; The display terminal includes a wireless signal receiving module, a signal processing module and a display terminal panel, wherein the wireless signal receiving module is connected to the signal processing module for real-time wireless receiving of the processed signal sent by the wireless signal sending module of the main control terminal, Then forward it to the signal processing module; the signal processing module is used to decrypt and decompress the signal sent by the wireless signal sending module, and process to obtain the image display drive signal, and then send it to the display terminal panel in real time, and the display terminal panel performs the screen display in real time . 2. The display system according to claim 1, wherein the signals input by the external device include RGB signals and control signals, and the main board encrypts and compresses the RGB signals and the control signals separately to form a minimum transmission difference The signal TMDS is sent to the wireless signal sending module. 3. The display system according to claim 2, wherein the signal processing module decrypts and decompresses the received signal, restores the RGB signal and the control signal, and processes and converts the RGB signal The low-voltage differential signal LVDS is sent to the display terminal panel to realize the output function of the image screen; the backlight control signal is sent to the control circuit of the display terminal panel to realize the control of the working state of the display panel. 4. The display system according to claim 3, wherein the RGB signal includes a timing control signal, and the timing control signal is sent to the timing controller TCON of the display terminal panel to control the output of the image screen; The backlight control signal is sent to the backlight control circuit of the display terminal panel in real time, and the display terminal panel is controlled to adjust to a working state with content required by the backlight control signal. 5. The display system according to claim 1, wherein the main control terminal further includes a main control terminal panel, and the main control terminal panel is connected to the main board; The main board is also used to process the signal input by the external device to form an image display driving signal, and send it to the main control terminal panel for real-time display. 6. The display system according to claim 1, wherein the wireless signal receiving module and the signal processing module are integrated on the display terminal panel of the display terminal; the wireless signal sending module is integrated on the on the motherboard of the main control terminal. 7. The display system according to claim 1, wherein the wireless signal sending module and the wireless signal receiving module are all wifi modules, bluetooth modules or infrared modules. 8. The display system according to any one of claims 1 to 7, wherein at least one antenna is installed on the wireless signal sending module and the wireless signal receiving module. 9. The display system according to claim 1, wherein the signal processing module is a graphics processor (GPU), a central processing unit (CPU), a digital signal processor (DSP) or a single-chip microcomputer (MCU).

Images