CN219642228U

CN219642228U - Display and multi-screen display system

Info

Publication number: CN219642228U
Application number: CN202320413426.4U
Authority: CN
Inventors: 杨田启
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-09-05
Anticipated expiration: 2033-03-07

Abstract

The utility model provides a display and a multi-screen display system, wherein the display comprises a processing chip, a first data port, a second data port and a touch control component, wherein: the processing chip is connected with the first data port, the second data port and the touch control component and is used for sending first display data to the first data port and sending first touch data to the second data port; the first data port is used for being connected with the first external device, and is used for sending first display data to the first external device, receiving second touch data sent by the first external device and sending the second touch data to the processing chip; the second data port is used for being connected with second external equipment, the second data port is used for receiving second display data sent by the second external equipment and sending the second display data to the processing chip, the first touch data are sent to the second external equipment, and the touch device is used for collecting the first touch data. The technical scheme enables a user to interact with the multi-screen display system through the auxiliary screen.

Description

Display and multi-screen display system

Technical Field

The present utility model relates to the field of displays, and more particularly to displays and multi-screen display systems.

Background

In some current display scenes, multi-screen linkage display is realized through a plurality of displays, namely, a plurality of display screens are connected to form a multi-screen display system, one display in the multi-screen display system is used as a main screen, the picture content displayed on the main screen is synchronized to other displays, so that the plurality of displays all display the same picture content, or other picture contents different from the picture content displayed on the main screen are projected onto the other displays, and the plurality of displays display different picture contents. Multiple displays displaying the same picture content is referred to as multi-screen co-display, and multiple displays displaying different picture content is referred to as multi-screen co-display. Other displays in a multi-screen display system than the primary screen are referred to as secondary screens.

In a multi-screen display system, a secondary screen generally passively receives and displays data sent by a main screen, user interaction and display control of picture content are generally realized through the main screen, and a user cannot interact with the multi-screen display system through the secondary screen.

Disclosure of Invention

The utility model provides a display to solve the problem of user interaction between a multi-screen display system and a user.

In a first aspect, the present utility model provides a display, including a processing chip, a first data port, a second data port, and a touch component, wherein:

the processing chip is connected with the first data port, the second data port and the touch control component, and is used for sending first display data to the first data port and sending first touch data to the second data port, wherein the first display data is display data generated by the display, and the first touch data is touch data acquired by the touch control component;

the first data port is used for being connected with first external equipment, the first data port is used for sending the first display data to the first external equipment, receiving second touch data sent by the first external equipment and sending the second touch data to the processing chip, and the second touch data is touch data acquired by the first external equipment;

the second data port is used for being connected with second external equipment, and is used for receiving second display data sent by the second external equipment and sending the second display data to the processing chip, and sending the first touch data to the second external equipment, wherein the second display data is generated by the second external equipment;

the touch device is used for collecting the first touch data and sending the first touch data to the processing chip.

In one possible design, the display further includes a third data port connected between the touch component and the processing chip, the third data port being configured to acquire the first touch data and send the first touch data to the processing chip.

In one possible design, the number of first data ports is a plurality, the plurality of first data ports including at least two types of first data ports.

In one possible design, the at least two types of first data ports include at least one high definition multimedia interface (high definition multimedia interface, HDMI) output port and at least one universal serial bus (universal serial bus, USB) input port, and at least one Type C output port; wherein: the number of the at least one HDMI output port is the same as that of the at least one USB input port, one HDMI output port and one USB input port form a first data port, the HDMI output port is used for sending the first display data to the first external device, and the USB input port is used for receiving second touch data sent by the first external device and sending the second touch data to the processing chip; the Type C output port is used for sending the first display data to the first external device, receiving second touch data sent by the first external device and sending the second touch data to the processing chip.

In one possible design, the number of second data ports is a plurality, the plurality of second data ports including at least two types of second data ports.

In one possible design, the at least two types of second data ports include at least one HDMI input port and at least one USB output port, and at least one Type C input port; wherein: the number of the at least one HDMI input port is the same as that of the at least one USB output port, one HDMI input port and one USB output port form a second data port, the HDMI input port is used for receiving second display data sent by the second external device and sending the second display data to the processing chip, and the USB output port is used for sending the first touch data to the second external device; the Type C input port is configured to receive second display data sent by the second external device, send the second display data to the processing chip, and send the first touch data to the second external device.

In one possible design, the display further includes a first conversion chip connected between the Type C input port and the processing chip for converting the Type C input signal into an HDMI input signal.

In one possible design, the number of processing chips is multiple, with different processing systems running on different processing chips.

In a second aspect, a multi-screen display system is provided, including a first display and a second display, where the first display and the second display are both the displays of the first aspect; wherein:

the first data port of the first display is connected with the second data port of the second display;

the first display is used for sending third display data generated by the first display to the second display through a first data port of the first display;

the second display is used for receiving and displaying the third display data through a second data port of the second display;

the second display is further used for sending third touch data corresponding to the third display data to the first display through a second data port of the second display;

the first display is used for responding to the third touch data and updating the third display data.

In one possible design, the first display is further configured to display fourth display data generated by the first display, the fourth display data being different from the third display data. .

The utility model can realize the following technical effects: the display comprises a processing chip, a first data port, a second data port and a touch control component, wherein the processing chip is connected with the first data port, the second data port and the touch control component, the processing chip is used for sending first display data to the first data port and sending first touch data to the second data port, the first display data is display data generated by the display, and the first touch data is touch data obtained by the touch control component; the first data port is used for being connected with first external equipment, the first data port is used for sending the first display data to the first external equipment, receiving second touch data sent by the first external equipment and sending the second touch data to the processing chip, and the second touch data is touch data acquired by the first external equipment; the second data port is used for being connected with second external equipment, and is used for receiving second display data sent by the second external equipment and sending the second display data to the processing chip, and sending the first touch data to the second external equipment, wherein the second display data is generated by the second external equipment; the touch device is used for collecting the first touch data and sending the first touch data to the processing chip. When the display is used as a main screen in a multi-screen display system, as the display comprises the first data port and the processing chip, touch data sent by a first external auxiliary screen can be received through the first data port and processed through the processing chip, so that a user can interact with the multi-screen display system through the auxiliary screen; when the display is used as the auxiliary screen in the multi-screen display system, the display comprises the second data port and the touch control component, so that the touch data of a user can be acquired through the touch component and sent to the main screen through the second data port, and the user can realize the user interaction with the multi-screen display system through interaction with the auxiliary screen. Therefore, the display of the utility model enables a user to interact with the multi-screen display system through the secondary screen, so that the interaction experience of the display can be submitted.

Drawings

FIG. 1 is a block diagram of a display according to an embodiment of the present utility model;

FIG. 2 is a block diagram of a display according to an embodiment of the present utility model;

FIG. 3 is a block diagram of a multi-screen display system according to an embodiment of the present utility model;

FIG. 4 is a block diagram of a multi-screen display system according to an embodiment of the present utility model;

fig. 5A-5B are schematic diagrams illustrating a multi-screen display system according to an embodiment of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

The display device can be applied to a multi-screen display system, wherein the multi-screen display system is a display system which is formed by connecting a plurality of display screens through a data connecting line and is used for realizing multi-screen simultaneous display or multi-screen different display, the multi-screen simultaneous display is that the plurality of display screens display the same picture content, and the multi-screen different display is that the plurality of display screens respectively display different picture contents.

Referring first to fig. 1, fig. 1 is a block diagram of a display according to an embodiment of the present utility model, and as shown in fig. 1, a display 10 includes a processing chip 101, a first data port 102, a second data port 103, and a touch component 104, where:

the processing chip 101 is connected with the first data port 102, the second data port 103 and the touch control component 104;

the processing chip 101 is configured to send first display data to the first data port 102, and send first touch data to the second data port 103, where the first display data is display data generated by the display 10, and the first touch data is touch data acquired by the touch control unit 104;

the first data port 102 is configured to be connected to a first external device, where the first data port 102 is configured to send first display data to the first external device, receive second touch data sent by the first external device, and send the second touch data to the processing chip 101, where the second touch data is touch data acquired by the first external device;

the second data port 103 is configured to be connected to a second external device, and the second data port 103 is configured to receive second display data sent by the second external device and send the second display data to the processing chip 101, and send the first touch data to the second external device, where the second display data is display data generated by the second external device.

The processing chip 101 may be any chip capable of performing various data processing. The processing chip 101 may be used for generation and processing of display data, processing and response of touch data, and the like. The display data refers to data used to present a screen, and the touch data refers to data formed based on a touch.

The processing chip 101 may have one or more processing systems running thereon for performing various data processing in the display 10. The number of processing chips 101 may be one or more. When the number of processing chips 101 is plural, one processing system may be run on one processing chip, and different processing systems may be run on different processing chips.

In one particular implementation, the processing chip 101 may include a Television (TV) chip and an Open Pluggable Specification (OPS) module. The TV chip can be used for running an android system, and a plurality of paths of video output processors (video output processor, VOP) can be integrated in the TV chip so as to support the TV chip to output a plurality of paths of different pictures; the OPS module may be used to run Windows systems. As shown in fig. 2, the connection between the TV chip and the OPS module may be schematically illustrated, the TV chip 201 is used as a main processing chip of the display 10, the OPS module 202 is connected to the TV chip through an HDMI line, and the OPS module 202 may transmit a screen running on a Windows system to the TV chip through an HDMI signal. By configuring the display with a plurality of processing systems, the display can be compatible with processing pictures under various processing systems, so that better processing and display of the pictures can be realized.

The first data port 102 may be any data port capable of implementing display data transmission and/or touch data reception. The first data port 102 may have one or more. In the case where there are a plurality of first data ports 102, the plurality of first data ports 102 may include at least two types of first data ports, and different types of first data ports may differ in port structure, transmission rate, output power, and the like.

In one particular implementation, the at least two types of first data ports may include at least one HDMI output port and at least one USB input port, and at least one Type C output port. Wherein: the number of the HDMI output ports is the same as that of the USB input ports, one HDMI output port and one USB input port form a first data port, the HDMI output port is used for sending first display data to first external equipment, and the USB input port is used for receiving second touch data sent by the first external equipment and sending the second touch data to the processing chip; the Type C output port is used for sending first display data to the first external device, receiving second touch data sent by the first external device and sending the second touch data to the processing chip.

Specifically, the USB input port may be a USB2.0 input port.

Illustratively, the first data port 102 may include a Type C output port 203, a USB input port 204, and an HDMI output port 205, as shown in fig. 2. Type C output port 203 is used for outputting the first display data of Type C signal format. Type C output port 203 may also be used to receive and identify second touch data in a USB signal format. For example, a usb disk is inserted at Type C output port 203, which can be recognized by TV chip 201; or, the external touch frame device is connected to the Type C output port 203, and the tv main chip 201 can identify the touch frame device. The USB input port 204 is configured to receive the second touch data in the USB signal format, and the same as the Type C output port 203 receives and identifies the USB touch data, and a USB disk is inserted into the USB input port 204, where the USB disk may be identified by the TV chip 201; or, the external touch frame device is connected to the USB input port, and the TV main chip 201 can also recognize the touch frame device. The HDMI output port 205 is for outputting first display data in an HDMI signal format.

In one particular application, display 10 may be used as a primary screen in a multi-screen display system. When the display 10 is used as a primary screen in a multi-screen display system, the first external device may be a secondary screen in a multi-screen display. The display 10 may be connected to a sub-screen (hereinafter referred to as a first sub-screen) having an HDMI input port and a USB output port through an HDMI connection line and a USB2.0A-B connection line. The processing chip of the display 10 outputs the first display data to the first auxiliary screen through the HDMI output port so that the first auxiliary screen displays a picture corresponding to the first display data; and receiving touch data of a picture corresponding to the first display data sent by the first auxiliary screen through the USB input port, and forming a mapping between the display picture and the touch data based on the first display data and the touch data corresponding to the first display data, thereby realizing linkage display of the picture. Optionally, the display 10 may also be connected to a secondary screen (hereinafter referred to as a second secondary screen) having a Type C input port through a Type C connection line. The display 10 may output the first display data to the second sub-screen through the Type C output port, so that the second sub-screen displays a picture corresponding to the first display data, and receives, through the Type C output port, touch data for the picture corresponding to the first display data sent by the second sub-screen, and form a mapping between the display picture and the touch data based on the first display data and the touch data corresponding to the first display data, so as to implement linkage display of the picture.

By setting the first data port in the display, the display can be used as a main screen in the multi-screen display system, display data can be sent to a secondary screen in the multi-screen display system, and touch data corresponding to the display data sent by the secondary screen can be received for response processing, so that a user can interact with the multi-screen display system through the secondary screen. By arranging the first data ports of multiple types in the display, the display can be compatible with the auxiliary screen equipment with different data ports when used as a main screen in the multi-screen display system, and the display can be applied to multiple multi-screen display scenes.

The second data port 103 may be any data port capable of receiving display data and/or transmitting touch data. The second data port 103 may have one or more. In case of a plurality of second data ports 103, the plurality of second data ports 103 may include at least two types of second data ports, different types of second data ports differing in port structure, transmission rate, output power, etc.

In one specific implementation, the at least two types of second data ports include at least one HDMI input port and at least one USB output port, and at least one Type C input port; wherein: the number of the at least one HDMI input port is the same as that of the at least one USB output port, the at least one HDMI input port and the at least one USB output port form a second data port, the HDMI input port is used for receiving second display data sent by second external equipment and sending the second display data to the processing chip, and the USB output port is used for sending first touch data to the second external equipment; the Type C input port is used for receiving second display data sent by the second external device, sending the second display data to the processing chip and sending the first touch data to the second external device.

Specifically, the USB output port may be a USB2.0 output port. The USB output port may also be referred to as a touch output port.

Illustratively, the second data port 103 may include a Type C input port 206, a USB output port 207, and an HDMI input port 208, as shown in fig. 2. The Type C input port 206 is configured to receive second display data in a Type C signal format. For example, the Type C input port 206 may be connected to a Type C output interface of the notebook computer through a Type C connection line, and the Type C input port 206 may be used to receive second display data in a Type C signal format sent by the notebook computer; the Type C output port 206 may also send second touch data corresponding to the second display data to the notebook computer, so as to touch and operate a screen of the notebook computer on the display 10. The USB output port 207 is used to transmit the first touch data in the USB signal format to the second external device. The HDMI input port 208 is for receiving second display data in an HDMI signal format. The first touch data sent to the outside by the Type C input port 206 and the USB output port 207 may be obtained as follows: after the TV main chip 201 recognizes the external USB touch signal, the external USB touch signal may be output to the USB output port 207 and the Type C input port 206 after touch conversion.

Optionally, as shown in fig. 2, the display may further include a first conversion chip 209, where the first conversion chip 209 is connected between the Type C input port 206 and the TV chip 201, for converting the Type C input signal into an HDMI input signal and providing the HDMI input signal to the TV chip 201.

In one particular application, display 10 may be used as a secondary screen in a multi-screen display system. When the display 10 is used as a secondary screen in a multi-screen display system, the second external device may be a primary screen in a multi-screen display. The display 10 may be connected to a main screen (hereinafter referred to as a first main screen) having an HDMI output port and a USB input port through an HDMI connection line and a USB2.0A-B connection line. The processing chip of the display 10 receives second display data output by the first main screen through the HDMI input port and displays a picture corresponding to the second display data; and touch data corresponding to the second display data can be sent to the first main screen through the USB output port, so that the first main screen forms a mapping between a display picture and the touch data based on the second display data and the touch data corresponding to the second display data, and linkage display of the picture is realized. Optionally, the display 10 may also be connected to a main screen (hereinafter referred to as a second main screen) having a Type C output port through a Type C connection line. The display 10 can receive second display data output by the second main screen through the Type C input port and display a picture corresponding to the second display data; and touch data corresponding to the second display data can be sent to the second main screen through the Type C input port, so that the second main screen forms a mapping between a display picture and the touch data based on the second display data and the touch data corresponding to the second display data, and linkage display of the picture is realized.

In another specific application, the display 10 may also be used as a projection device, and the second external device may be a notebook computer, a desktop computer, or the like.

By arranging the second data port in the display, the display can be used as a secondary screen in the multi-screen display system, display data sent by a main screen in the multi-screen display system can be received, touch data corresponding to the display data is sent to the main screen to be subjected to response processing, and therefore a user can interact with the multi-screen display system through the secondary screen. By providing multiple types of second data ports in the display, the display can be compatible with a main screen device with different data ports, so that the display can be applied to multiple multi-screen display scenes.

The touch component 104 may be any component capable of implementing touch detection. Specifically, the touch component 104 may implement touch detection based on infrared touch; alternatively, the touch control component may also implement touch control detection based on capacitive touch control.

Illustratively, as shown in fig. 2, the touch components 104 may include an infrared touch component 210 and a capacitive touch component 211.

Optionally, the display 10 may further include a third data port connected between the touch component 104 and the processing chip 101, where the third data port is used to acquire the first touch data and send the first touch data to the processing chip 101.

Illustratively, as shown in FIG. 2, the third data port may be the USB expansion interface 212 of FIG. 2.

As can be seen from the above, the display in fig. 1-2 includes a processing chip, a first data port, a second data port, and a touch device. When the display is used as a main screen in a multi-screen display system, as the display comprises the first data port and the processing chip, touch data sent by a first external auxiliary screen can be received through the first data port and processed through the processing chip, so that a user can interact with the multi-screen display system through the auxiliary screen; when the display is used as the auxiliary screen in the multi-screen display system, the display comprises the second data port and the touch control component, so that the touch data of a user can be acquired through the touch component and sent to the main screen through the second data port, and the user can realize the user interaction with the multi-screen display system through interaction with the auxiliary screen. Therefore, the display of the utility model enables a user to interact with the multi-screen display system through the secondary screen, so that the interaction experience of the display can be submitted.

Based on the displays shown in fig. 1-2 described above, a multi-screen display system may be constructed.

Referring to fig. 3, fig. 3 is a block diagram of a multi-screen display system according to an embodiment of the present utility model, where, as shown in fig. 3, the multi-screen display system 3 includes a first display 31 and a second display 32, and the structure of the first display 31 and the second display 32 may refer to fig. 1 or fig. 2, where:

the first data port of the first display 31 is connected to the second data port of the second display 32;

the first display 31 is configured to send third display data generated by the first display to the second display through a first data port of the first display;

the second display 32 is configured to receive and display third display data through a second data port of the second display;

the second display 32 is further configured to send third touch data corresponding to the third display data to the first display through the second data port of the second display;

the first display 31 is further configured to update the third display data in response to the third touch data.

The first display 31 is a main screen in a multi-screen display system, and the second display 32 is a sub-screen in the multi-screen display system. The number of second displays 32 may be one or more. For the description of the first data port and the second data port, reference may be made to the foregoing descriptions of fig. 1 and fig. 2, and details thereof are not repeated herein.

Optionally, the first display 31 is further configured to display fourth display data generated by the first display 31, where the fourth display data may be the same as or different from the third display data. When the fourth display data is the same as the third display data, forming multi-screen co-display interaction; and when the fourth display data is different from the third display data, forming multi-screen different display interaction.

The multi-screen display system comprises 3 display screens (1 main screen and 2 auxiliary screens) to introduce the multi-screen simultaneous display interaction principle and the multi-screen simultaneous display interaction principle.

Referring to fig. 4, fig. 4 is a schematic diagram of a specific connection of a multi-screen display system according to an embodiment of the present utility model, and as shown in fig. 4, the multi-screen display system 4 includes a main screen 41, a sub-screen 42, and a sub-screen 43, where:

the Type C output port of the main screen 41 is connected with the Type C input port of the auxiliary screen 42 through a Type C connecting wire, the HDMI output port of the main screen 41 is connected with the HDMI input port of the auxiliary screen 43 through an HDMI connecting wire, and the USB input port of the main screen 41 is connected with the USB output port of the second auxiliary screen 43 through a USB connecting wire.

The schematic diagram of the multi-screen display system shown in fig. 4 for implementing multi-screen co-display interaction is shown in fig. 5A:

(a1) The main screen 41 generates display data 1, and the main screen 41 displays a picture 1 corresponding to the display data 1; the main screen 41 sends the display data 1 to the auxiliary screen 42 through the Type C output port, and the auxiliary screen 42 displays a picture 1 corresponding to the display data 1; the main screen 41 transmits the display data 1 to the sub-screen 43 through the HDMI output port, and the sub-screen 43 displays the screen 1 corresponding to the display data 1.

(a2) The sub screen 42 acquires the touch data 1 for the screen 1, and the sub screen 42 transmits the touch data 1 to the main screen 41 through the Type C input port.

(a3) The main screen 41 generates display data 2 according to the touch data 1, and the main screen 41 displays a picture 2 corresponding to the display data 2; the main screen 41 sends the display data 2 to the auxiliary screen 42 through the Type C output port, and the auxiliary screen 42 displays the picture 2 corresponding to the display data 2; the main screen 41 transmits the display data 1 to the sub-screen 43 through the HDMI output port, and the sub-screen 43 displays the screen 2 corresponding to the display data 2.

The schematic diagram of the multi-screen display system shown in fig. 4 for implementing multi-screen different display interaction is shown in fig. 5B:

(b1) The main screen 41 generates display data 3, display data 4, and display data 5; the main screen 41 displays a screen 3 corresponding to the display data 3; the main screen 41 sends the display data 4 to the auxiliary screen 42 through the Type C output port, and the auxiliary screen 42 displays a picture 4 corresponding to the display data 4; the main screen 41 transmits the display data 5 to the sub-screen 43 through the HDMI output port, and the sub-screen 43 displays the screen 5 corresponding to the display data 5.

(b2) The sub-screen 43 acquires the touch data 2 for the screen 5, and the sub-screen 43 transmits the touch data 2 to the main screen 41 through the USB output port.

(b3) The main screen 41 generates display data 6 according to the touch data 2, the main screen 41 transmits the display data 6 to the sub-screen 43 through the HDMI output port, and the sub-screen 43 displays a screen 6 corresponding to the display data 6.

(b4) The sub-screen 42 acquires the touch data 3 for the screen 4, and the sub-screen 42 transmits the touch data 3 to the main screen 41 through the Type C input port.

(b5) The main screen 41 generates display data 7 according to the touch data 3, the main screen 41 sends the display data 7 to the auxiliary screen 42 through the Type C output port, and the auxiliary screen 42 displays a picture 7 corresponding to the display data 7.

It should be understood that the multi-screen display system shown in fig. 4 and fig. 5A and 5B are only illustrative of the present utility model, and not limiting to the present utility model, and in alternative embodiments, the display screen may have more first data ports and second data ports, and the multi-screen display system may have more display screens.

According to the multi-screen display system disclosed by the utility model, the linkage display of the pictures of the multiple display screens and the interaction of the user can be realized, and the user can perform user operation on any one display screen so as to realize the adjustment of the pictures in the display screen, so that the use experience of the user can be improved.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims

1. A display, characterized by comprising a processing chip, a first data port, a second data port and a touch control component, wherein:

the touch control component is used for collecting the first touch data and sending the first touch data to the processing chip.

2. The display of claim 1, further comprising a third data port connected between the touch component and the processing chip, the third data port configured to acquire the first touch data and send the first touch data to the processing chip.

3. The display of claim 1, wherein the number of first data ports is a plurality, the plurality of first data ports comprising at least two types of first data ports.

4. The display of claim 3, wherein the at least two types of first data ports comprise at least one HDMI output port and at least one USB input port, and at least one Type C output port; wherein:

the number of the at least one HDMI output port is the same as that of the at least one USB input port, one HDMI output port and one USB input port form a first data port, the HDMI output port is used for sending the first display data to the first external device, and the USB input port is used for receiving second touch data sent by the first external device and sending the second touch data to the processing chip;

the Type C output port is used for sending the first display data to the first external device, receiving second touch data sent by the first external device and sending the second touch data to the processing chip.

5. The display of claim 1, wherein the number of second data ports is a plurality, the plurality of second data ports comprising at least two types of second data ports.

6. The display of claim 5, wherein the at least two types of second data ports comprise at least one HDMI input port and at least one USB output port, and at least one Type C input port; wherein:

the number of the at least one HDMI input port is the same as that of the at least one USB output port, one HDMI input port and one USB output port form a second data port, the HDMI input port is used for receiving second display data sent by the second external device and sending the second display data to the processing chip, and the USB output port is used for sending the first touch data to the second external device;

the Type C input port is configured to receive second display data sent by the second external device, send the second display data to the processing chip, and send the first touch data to the second external device.

7. The display of claim 6, further comprising a first conversion chip connected between the Type C input port and the processing chip for converting a Type C input signal to an HDMI input signal.

8. The display of any of claims 1-7, wherein the number of processing chips is a plurality, different processing systems running on different processing chips.

9. A multi-screen display system comprising a first display and a second display, the first display and the second display each being a display as claimed in any one of claims 1 to 8, wherein:

10. A multi-screen display system as recited in claim 9, wherein the first display is further configured to display fourth display data generated by the first display, the fourth display data being different from the third display data.