CN115883625A

CN115883625A - Display device and screen projection processing method

Info

Publication number: CN115883625A
Application number: CN202111146963.9A
Authority: CN
Inventors: 郑鹏; 高琳洁
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2023-03-31

Abstract

The embodiment of the application provides a display device and a screen projection processing method, wherein the display device comprises: a controller configured to: responding to screen projection operation triggered by a user, and entering a first working mode in which a wireless local area network and a peer-to-peer network are switched with each other; in any first working mode, when the wireless local area network is switched to a peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen-casting request through a wireless local area network channel connected with the peer-to-peer network so as to find a mobile terminal to be subjected to screen casting; and the display connected with the controller is used for displaying the screen projection content of the mobile terminal after the screen projection connection is established with the mobile terminal, so that the finding speed of the screen projection equipment is increased, the screen projection performance is improved, and the user experience is further improved.

Description

Display device and screen projection processing method

Technical Field

The embodiment of the application relates to a communication technology. And more particularly, to a display apparatus and a screen projection processing method.

Background

With the development of screen projection technology, users have made more demands on the screen projection function of the display device. The Wireless Fidelity (Wi-Fi) Peer-to-Peer (P2P) technology is the basis of Wireless screen-casting Miracast, and the P2P technology enables a plurality of Wi-Fi devices to form a P2P Group and communicate with each other under the condition of not connecting with the network. In the Miracast application scenario, after a P2P-capable mobile terminal and a P2P-capable display device are successfully paired, the screen or media resource of the mobile terminal can be transmitted to a television for display or playing.

At present, screen projection equipment in a Miracast scene is discovered mainly through two modes, one mode is a Network disconnection screen projection mode, after the screen projection equipment enters a Miracast application, normal Network connection is disconnected, a mobile terminal and display equipment achieve discovery and connection of the screen projection equipment through a P2P specific channel in the Miracast scene in a Network disconnection state, the other mode is a Network disconnection screen projection mode, a P2P + Wireless Local Area Network (WLAN) time division multiplexing mechanism is adopted, and coexistence of Network connection and a screen projection process is achieved through time division multiplexing and switching of the channel in a screen projection equipment searching process.

However, in the screen-off and screen-throwing mode in the related art, normal network communication cannot be realized in the screen-throwing device discovery process, and in the time-division multiplexing screen-throwing mode without network interruption, P2P and WLAN coexist in the device discovery process, frequent channel switching is required, which causes technical problems of slow screen-throwing device discovery speed and poor performance, and poor user experience.

Disclosure of Invention

An exemplary embodiment of the present application provides a display device and a screen projection processing method, so as to solve technical problems that a screen projection device discovery speed is slow, performance is poor, and user experience is poor due to the coexistence of P2P and WLAN and frequent channel switching required in a device discovery process in a network-off screen projection manner in the related art, and normal network communication cannot be realized in the screen projection device discovery process, and a time-division multiplexing network-off screen projection manner.

In a first aspect, an embodiment of the present application provides a display device, including:

a controller configured to:

responding to screen-casting operation triggered by a user, and entering a first working mode of mutual switching between a wireless local area network and a peer-to-peer network;

in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel;

after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find the mobile terminal to be projected.

And the display is connected with the controller and used for displaying the screen projection content of the mobile terminal after the screen projection connection with the mobile terminal is established.

Here, an embodiment of the present application provides a display device, including a controller and a display connected to the controller, where the controller of the display device may implement a screen-casting function without a network interruption by switching between a Wireless Local Area Network (WLAN) and a Peer-to-Peer network after a user triggers a screen-casting operation, and for the first time, when the WLAN is switched to the Peer-to-Peer network (P2P), a Wireless Local Area network channel currently accessed by a WLAN port is obtained, and the P2P port is accessed to the Wireless Local Area network channel, so that the P2P can follow a network channel of the WLAN, and thus when the display device implements switching from the WLAN port to the P2P port, a channel switching by an internal controller of the display device is not required, a Radio Frequency (RF) unit controlling a 5G channel of the WLAN is prevented from being switched to a 2.4G unit controlling an original P2P channel, a discovery speed of the screen-casting device is improved, a screen-casting performance of the display device is improved, and a time consumption of the user is further improved.

In one possible design, after the listening of the screen-casting request through the wireless local area network channel connected through the peer-to-peer network to discover the mobile terminal to be screened, the controller is further configured to:

entering a second working mode of mutual switching between the wireless local area network and the peer-to-peer network every a preset number of first working modes;

accessing the peer-to-peer network to a 2.4 gigahertz channel within any second mode of operation;

after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a 2.4GHz channel connected with the peer-to-peer network so as to discover the mobile terminal to be projected.

In one possible design, the controller is further configured to:

if a screen projection request sent by the mobile terminal is monitored, sending a screen projection reply according to the screen projection request, so that the mobile terminal establishes screen projection connection according to the screen projection reply.

In one possible design, the controller is further configured to:

and if the screen projection request sent by the mobile terminal is not monitored within the first preset time, stopping executing the process of switching the wireless local area network to the peer-to-peer network.

In a second aspect, an embodiment of the present application provides a mobile terminal, including:

a transmitting part for transmitting a screen projection request;

the monitoring part is used for monitoring screen projection answers, wherein the screen projection answers are that the display equipment responds to screen projection operation triggered by a user and enters a first working mode in which a wireless local area network and a peer-to-peer network are mutually switched; in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen-casting request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply sent according to the screen projection request is sent.

The mobile terminal is used for sending the screen projection request after the screen projection function is started, so that the display device sends a screen projection reply after receiving the screen projection request, and therefore the screen projection connection between the mobile terminal and the display device is achieved.

In a third aspect, an embodiment of the present application provides a screen projection processing method, which is applied to a display device, and includes:

responding to screen projection operation triggered by a user, and entering a first working mode in which a wireless local area network and a peer-to-peer network are switched with each other;

In one possible design, after the listening of the screen-casting request is performed through the wireless local area network channel connected through the peer-to-peer network to discover the mobile terminal to be screen-cast, the method further includes:

entering a second working mode of mutual switching between the wireless local area network and the peer-to-peer network every a preset number of first working modes; accessing the peer-to-peer network to a 2.4 gigahertz channel within any second mode of operation;

and after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a 2.4GHz channel connected with the peer-to-peer network so as to discover the mobile terminal to be projected.

In one possible design, the method further includes:

In a fourth aspect, an embodiment of the present application provides a screen projection processing method, which is applied to a mobile terminal, and includes:

sending a screen projection request;

monitoring a screen projection reply, wherein the screen projection reply is a first working mode that a display device responds to a screen projection operation triggered by a user and enters a wireless local area network and a peer-to-peer network for mutual switching; in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to a peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply sent according to the screen projection request is sent.

According to the display device and the screen projecting processing method provided by the embodiment of the application, the display device can realize the screen projecting function under the condition of no network interruption through mutual switching of the Wireless Local Area network and the Peer-to-Peer network after a user triggers the screen projecting operation, firstly, when the Wireless Local Area Network (WLAN) is switched to the Peer-to-Peer network (P2P), the Wireless Local Area network channel currently accessed by the WLAN port is obtained, and the P2P port is accessed to the Wireless Local Area network channel, so that the P2P can follow the network channel of the WLAN, and therefore, when the display device realizes the switching from the WLAN port to the P2P port, the channel switching of an internal controller of the display device is not needed, the phenomenon that the controller switches to the time consumed time caused by controlling a Radio Frequency (RF) unit of a 5G channel of the WLAN to an RF unit of an original P2P is avoided, the discovery speed of the screen projecting device is improved, the screen projecting performance is improved, and the user experience is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the implementation manner in the related art, a brief description will be given below of the drawings required for the description of the embodiments or the related art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic diagram illustrating an operational scenario between a display device and a control device according to some embodiments;

a block diagram of a hardware configuration of a display device 200 according to some embodiments is illustrated in fig. 2;

a block diagram of the hardware configuration of the control device 100 according to some embodiments is illustrated in fig. 3;

a schematic diagram of a software configuration in a display device 200 according to some embodiments is illustrated in fig. 4;

FIG. 5 illustrates an icon control interface display diagram of an application in the display device 200, according to some embodiments;

FIG. 6 illustrates a first flowchart of a screen projection processing method according to some embodiments;

fig. 7 is a first diagram illustrating a network and channel switching structure of a display device during a screen projection discovery phase according to some embodiments;

fig. 8 is a diagram illustrating a network and channel switching structure of a display device during a screen-on discovery phase according to some embodiments;

FIG. 9 illustrates a second flowchart of a screen projection processing method according to some embodiments;

an interaction flow diagram one of a screen projection processing method according to some embodiments is illustrated in fig. 10.

Detailed Description

To make the objects, embodiments and advantages of the present application clearer, the following description of exemplary embodiments of the present application will clearly and completely describe the exemplary embodiments of the present application with reference to the accompanying drawings in the exemplary embodiments of the present application, and it is to be understood that the described exemplary embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

All other embodiments, which can be derived by a person skilled in the art from the exemplary embodiments described herein without inventive step, are intended to be within the scope of the claims appended hereto. In addition, while the disclosure herein has been presented in terms of one or more exemplary examples, it should be appreciated that aspects of the disclosure may be implemented solely as a complete embodiment.

It should be noted that the brief descriptions of the terms in the present application are only for convenience of understanding of the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.

The terms "first", "second", "third", and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar or analogous objects or entities and are not necessarily meant to define a particular order or sequence Unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Furthermore, the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.

The term "module" as used herein refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.

The term "remote control" as used in this application refers to a component of an electronic device, such as the display device disclosed in this application, that is typically wirelessly controllable over a short range of distances. Typically using infrared and/or Radio Frequency (RF) signals and/or bluetooth to connect with the electronic device, and may also include WiFi, wireless USB, bluetooth, motion sensor, etc. For example: the hand-held touch remote controller replaces most of the physical built-in hard keys in the common remote control device with the user interface in the touch screen.

The term "gesture" as used in this application refers to a user's behavior through a change in hand shape or an action such as hand motion to convey a desired idea, action, purpose, or result.

Fig. 1 is a schematic diagram of an operation scenario between a display device and a control device according to one or more embodiments of the present application, as shown in fig. 1, a user may operate the display device 200 through a mobile terminal 300 and the control device 100. The control device 100 may be a remote controller, and the communication between the remote controller and the display device includes infrared protocol communication, bluetooth protocol communication, wireless or other wired means to control the display device 200. The user may input a user command through a key on a remote controller, voice input, control panel input, etc. to control the display apparatus 200. In some embodiments, mobile terminals, tablets, computers, laptops, and other smart devices may also be used to control the display device 200.

In some embodiments, the mobile terminal 300 may install a software application with the display device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. The audio and video contents displayed on the mobile terminal 300 may also be transmitted to the display device 200, so that the display device 200 with the synchronous display function may also perform data communication with the server 400 through multiple communication modes. The display device 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display apparatus 200. The display device 200 may be a liquid crystal display, an OLED display, or a projection display device. The display apparatus 200 may additionally provide an intelligent network tv function that provides a computer support function in addition to the broadcast receiving tv function.

Fig. 2 exemplarily shows a block diagram of a configuration of the control apparatus 100 according to an exemplary embodiment. As shown in fig. 2, the control apparatus 100 includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply source. The control apparatus 100 may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive to the display apparatus 200, serving as an interaction intermediary between the user and the display apparatus 200. The communication interface 130 is used for communicating with the outside, and includes at least one of a WIFI chip, a bluetooth module, NFC, or an alternative module. The user input/output interface 140 includes at least one of a microphone, a touch pad, a sensor, a key, or an alternative module.

Fig. 3 shows a hardware configuration block diagram of the display apparatus 200 according to an exemplary embodiment. The display apparatus 200 as shown in fig. 3 includes at least one of a tuner demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, and a user interface 280. The controller includes a central processor, a video processor, an audio processor, a graphic processor, a RAM, a ROM, and first to nth interfaces for input/output. The display 260 may be at least one of a liquid crystal display, an OLED display, a touch display, and a projection display, and may also be a projection device and a projection screen. The tuner demodulator 210 receives a broadcast television signal through a wired or wireless reception manner, and demodulates an audio/video signal, such as an EPG data signal, from a plurality of wireless or wired broadcast television signals. The detector 230 is used to collect signals of the external environment or interaction with the outside. The controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box.

In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 controls the overall operation of the display apparatus 200. The user may input a user command through a Graphical User Interface (GUI) displayed on the display 260, and the user input interface receives the user input command through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.

In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form acceptable to the user. A common presentation form of a User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the electronic device, where the control may include at least one of an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc. visual interface elements.

Fig. 4 is a schematic diagram of software configuration in a display device 200 according to one or more embodiments of the present Application, and as shown in fig. 4, the system is divided into four layers, which are, from top to bottom, an Application (Applications) layer (referred to as an "Application layer"), an Application Framework (referred to as a "Framework layer"), an Android runtime (Android runtime) layer and a system library layer (referred to as a "system runtime library layer"), respectively, and a kernel layer. The inner core layer comprises at least one of the following drivers: audio drive, display driver, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (like fingerprint sensor, temperature sensor, pressure sensor etc.) and power drive etc..

Fig. 5 is a schematic diagram illustrating an icon control interface display of an application program in the display device 200 according to one or more embodiments of the present application, as shown in fig. 5, an application layer includes at least one application program that can display a corresponding icon control in a display, for example: the system comprises a live television application icon control, a video on demand application icon control, a media center application icon control, an application center icon control, a game application icon control and the like. The live television application program can provide live television through different signal sources. A video-on-demand application may provide video from different storage sources. Unlike live television applications, video on demand provides a video display from some storage source. The media center application program can provide various applications for playing multimedia contents. The application center can provide and store various applications.

In the Miracast application scenario, after a P2P-capable mobile terminal and a P2P-capable display device are successfully paired, the screen or media resource of the mobile terminal can be transmitted to a television for display or playing. With the help of the P2P technology, the direct connection between the Wi-Fi devices greatly expands the use scene of the Wi-Fi technology. At present, screen projection connection can be achieved between devices through a Miracast application, after the devices enter the Miracast application, normal network connection is disconnected, related network tasks are suspended, and display devices achieve receiving and sending of screen projection signals of mobile terminals through P2P ports.

In order to guarantee to throw the screen, do not break network connection, proposed among the related art and constantly netted the screen technique of throwing, can make the user accomplish at any time and throw the screen under the condition of using the network, but this has very high requirement to the performance of wifi module. The current continuous network screen projection technology needs frequent channel switching, which causes the technical problems of slow speed and poor performance of screen projection equipment, and poor user experience.

In order to solve the above problem, an embodiment of the present application provides a display device and a screen projection processing method, where the method mainly reduces frequent switching of channels by a mode that a P2P channel follows a WLAN in a discovery phase of the screen projection device, so as to increase the occupied time of a P2P port in a phase-changing manner, thereby improving the discovery speed and the screen projection performance of the screen projection device.

The technical solution of the present application will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

First, some terms appearing in the embodiments of the present application are explained:

Peer-to-Peer (Peer-to-Peer, P2P): a Peer-to-Peer network, i.e., a Peer-to-Peer computer network, is a distributed application architecture for distributing tasks and workloads among peers (peers), and is a networking or networking form formed by Peer-to-Peer computing models in an application layer.

Wireless Local Area Network (WLAN): is a quite convenient data transmission system, which utilizes Radio Frequency (RF) technology and uses electromagnetic waves for network transmission.

5GHz wireless technology: the wireless communication device is a new wireless protocol, the frequency, the speed and the interference resistance are much stronger than those of 2.4GHz, and although wireless signals are different, devices supporting 2.4GHz are generally searched nowadays.

2.45GHz wireless technology: the wireless transmission technology is a short-distance wireless transmission technology, 2.4GHz refers to an operating frequency band, 2.4GHz is a publicly and commonly used wireless frequency band, and the wireless transmission technology is used for short-distance wireless transmission and conduction.

The screen projection of the mobile terminal and the display equipment needs to go through two processes of equipment discovery and equipment connection, and a user can project the display content of the mobile terminal to the display equipment through the mobile terminal or the control equipment so as to obtain better user experience. Taking the P2P screen projection technology as an example, when a user opens a screen projection application in the display device, the P2P port of the display device starts scanning and monitoring alternately. The user opens the function of the searching screen projection equipment in the mobile terminal at the moment, and the mobile terminal starts scanning and monitoring alternately. When the mobile terminal is scanning, the display device happens to monitor in the same channel, the display device can respond to the request of the mobile terminal, the mobile phone interface of the user can have the identifier of the display device, the user clicks the connection, the screen projection connection between the mobile terminal and the display device can be realized, and the content of the mobile terminal of the user can be correspondingly displayed in the display device. In the equipment discovery phase, a mechanism of time division multiplexing of the P2P + WLAN is adopted in the related technology, and in the process of searching the mobile terminal which can be connected by screen projection once equipment is discovered, the P2P port and the WLAN port occupy module resources in a time division mode according to a certain proportion within a period of time, so that the related work of the P2P can be carried out in the background in the process of using the normal WLAN, the normal wireless network connection is disconnected without using a specific Miracast screen projection APP as a screen projection inlet, the network can still keep connection while carrying out Miracast screen projection, the background can continue operations such as network downloading and the like.

In the related art, when the display device is in a normal network connection state and the WLAN is connected at 5GHz, if the display device triggers the screen projection function, the display device enters a screen projection device Discovery phase, discovery of the screen projection device needs to be achieved through a P2P port, and a protocol requirement of P2P is a device Discovery phase (Discovery phase), and a network monitors and scans channels 1, 6, and 11 at 2.4 GHz. When the display device realizes the switching from the WLAN to the P2P, the channel switching is needed to be realized, the controller of the display device is switched from the RF unit for controlling the 5G channel to the RF unit for controlling the 2.4G channel, and in the network time-sharing multiplexing stage, the frequent channel switching of the display device increases the device discovery time and reduces the P2P performance.

Specifically, for example, if the WLAN is connected to a 5GHz channel (here, a 149 channel in the 5GHz channel is taken as an example, and in an actual application scenario, the 149 channel may be any one of 5GHz channels), when the WLAN is switched to the P2P, the network channel needs to be switched from the 149 channel to a P2P listening channel of 2.4GHz (here, a 6 channel in the 2.4GHz channel is taken as an example, and in an actual application scenario, any one of 2.4GHz channels may be used), the module needs to switch the controller from the RF unit controlling the 149 channel to the RF unit controlling the 6 channel, in this process, the display device needs to perform channel switching once, and when the network is switched from the P2P to the WLAN, and so on, frequent channel switching is needed in a P2P + WLAN time division multiplexing phase, and therefore, the embodiment of the present application solves the time loss caused by continuous screen projection by avoiding frequent channel switching.

Fig. 6 is a flowchart illustrating a first screen projection processing method according to some embodiments, where an execution subject of this embodiment may be the display device 200 or the controller of the display device 200 in the embodiment shown in fig. 1. As shown in fig. 6, the method includes:

s601: and responding to a screen projection operation triggered by a user, and entering a first working mode in which the wireless local area network and the peer-to-peer network are switched with each other.

In some embodiments, the user may trigger the screen projection operation through a display interface of the display device, or trigger the screen projection function through a control device connected to the display device, such as a remote controller, or trigger the screen projection operation through a language wake-up mode.

According to the embodiment of the application, after a user triggers a screen projection operation, the display device can enter a first working mode in which the WLAN and the P2P are mutually switched, in the first working mode, the display device achieves normal network connection in the WLAN through network switching so as to achieve uninterrupted network connection of the display device, and in the case that the network is switched to the P2P, monitoring of a screen projection request is achieved through a P2P channel so as to achieve a screen projection function.

S602: in any first working mode, when the wireless local area network is switched to the peer-to-peer network, the wireless local area network channel connected with the wireless local area network is obtained, and the peer-to-peer network is accessed to the wireless local area network channel.

Here, the WLAN channel is a channel in a 5GHz band, which is 149 taken as an example, and if the current WLAN channel is a 149 channel, when switching networks, first, the P2P is accessed to the 149 channel. Under the condition that the P2P accesses the 149 channels, when the display device switches the network from the WLAN to the P2P, only the network switching is needed, the channel switching is not needed, and the time consumption is reduced.

When the WIAN is switched to the P2P network, the display device provided by the embodiment of the application firstly acquires a wireless local area network channel connected with the WLAN, and directly accesses the P2P to the wireless local area network channel to realize the switching of the network of the display device.

Exemplarily, fig. 7 illustrates a first network and channel switching structure of a display device in a screen projection discovery phase, as shown in fig. 7, taking three first operating modes of the display device performing screen projection discovery as an example, in one first operating mode, a WLAN network accesses a wireless local area network channel, when the WLAN network is switched to a P2P network, the P2P network also accesses the wireless local area network channel and monitors a screen projection request in the wireless local area network channel, after one first operating mode is finished, the P2P network is switched to the WLAN network, and in a next first operating mode, a process of switching the WLAN network to the P2P network is still performed, as shown in fig. 7, even though the networks of the display device are switched between the WLAN and the P2P, the channel of the display device is always connected to the wireless local area network channel, and a controller of the display device is not required to perform radio frequency adjustment and channel switching, so that time loss caused by frequent channel switching is reduced, occupied time of a P2P port is increased, and a screen projection device discovery speed is increased.

In some embodiments, in the first operation mode, the display device may switch the network from the WLAN to the P2P every first preset occupation time and switch the network from the P2P to the WLAN every second preset occupation time.

In some embodiments, to further ensure the network quality, the first predetermined occupation time is greater than the second predetermined occupation time, so as to increase the occupation time of the WLAN.

In some embodiments, to increase the speed of discovery of the screen projection device, the first predetermined occupancy time is less than the second predetermined occupancy time to increase the occupancy time of the P2P.

It is understood that the first preset occupation time and the second preset occupation time may be determined according to actual situations, and the embodiment of the present application is not particularly limited.

S603: after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find the mobile terminal to be projected.

In the embodiment of the application, the display device monitors the screen projection request when each P2P port occupies the network, so as to find the screen projection request.

In some embodiments, the display device sends monitoring of the screen projection request when each P2P port occupies the network, so that the mobile terminal can find the display device through the screen projection request, thereby further improving the screen projection success rate.

In some embodiments, the method further comprises:

entering a second working mode of mutual switching between the wireless local area network and the peer-to-peer network every a preset number of first working modes; in any second mode of operation, accessing the peer-to-peer network to a 2.4 gigahertz channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a 2.4GHz channel connected with the peer-to-peer network so as to find the mobile terminal to be projected.

Here, the embodiment of the present application further provides a second mode for network switching of a display device, where when a network is switched from a WLAN to a P2P in a second working mode, the P2P is accessed to a 2.4GHz channel according to a P2P original channel, so that a mobile terminal that does not support a 5GHz band can be compatible, a screen projection request sent by a mobile terminal that does not support a 5G band can be received, and a problem that the mobile terminal cannot find the display device due to the fact that a part of mobile terminals do not support the 5GHz band, the WLAN of the display device is connected to the 5G channel, and the P2P follows the WLAN channel is solved, thereby further improving compatibility and reliability of a screen projection function of the display device, and improving user experience.

The preset number can be determined according to actual conditions, for example, every other first working mode can enter a second working mode; or the second working mode can be entered once every 5 first working modes. This is not particularly limited by the examples of the present application.

In some embodiments, the display device may first enter the first operating mode after the screen projection function is turned on, and enter the second operating mode if a screen projection request is not received within a preset scanning time. The preset scanning time may be determined according to an actual situation, and the embodiment of the present application is not particularly limited.

In some embodiments, the display device may alternatively enter the first working mode and the second working mode after the screen projection function is turned on, for example, after the first working mode is executed for a first time, the second working mode is executed for a second time, the first working mode is executed for a third time, the second working mode is executed for a fourth time, and so on, where the first time, the second time, the third time, and the fourth time may be determined according to actual situations, and the first time, the second time, the third time, and the fourth time may be the same or different, which is not limited in comparison in this embodiment of the present application.

Exemplarily, fig. 8 illustrates a second network and channel switching structure diagram of a display device in a screen-casting discovery phase according to some embodiments, as shown in fig. 8, taking a screen-casting device that executes 3 switching cycles as an example, in a first switching cycle, a process of a first working mode is executed, a WLAN network accesses a wireless local area network channel, when the WLAN network is switched to a P2P network, the P2P network also accesses the wireless local area network channel, and monitors a screen-casting request in the wireless local area network channel, after one first working mode is finished, the P2P network is switched to the WLAN network, in a next switching cycle, a process of a second working mode is executed, if the WLAN network is switched from the WLAN to the P2P channel in the wireless local area network channel at this time, the P2P network accesses a 2.4GHz channel, and monitors a screen-casting request in the 2.4GHz band, so that it can be recognized that a screen-casting request sent by a mobile terminal that does not support a 5GHz band is switched to the WLAN network after the second switching cycle is finished, the P2P network is switched to the WLAN network, and monitoring of the screen-casting request in the next switching cycle is still executed, thereby improving compatibility of the first working mode and the switching efficiency is also improved.

The screen-casting processing method provided by the embodiment of the application can realize the screen-casting function under the condition of no network interruption through the mutual switching of the Wireless Local Area network and the Peer-to-Peer network after the screen-casting operation is triggered by a user, and for the first time, when the Wireless Local Area Network (WLAN) is switched to the Peer-to-Peer network (P2P), the Wireless Local Area network channel currently accessed by the WLAN port is obtained, and the P2P port is accessed to the Wireless Local Area network channel, so that the P2P can follow the network channel of the WLAN, and therefore, when the switching from the WLAN port to the P2P port is realized by the display device, the switching of the channel by an internal controller of the display device is not needed, the time consumed by switching the controller to a Radio Frequency (RF) unit controlling the 5G channel of the WLAN to a 2.4G RF unit controlling the original P2P is avoided, the discovery speed of the screen-casting device is increased, the screen-casting performance is improved, and the user experience is further improved.

In some embodiments, if the display device monitors a screen projection request sent by the mobile terminal, the display device sends a screen projection reply according to the screen projection request, so that the mobile terminal establishes a screen projection connection according to the screen projection reply.

In order to enable the mobile terminal requesting screen projection to find the display device, the display device sends a screen projection reply according to the received screen projection request, and the mobile terminal can establish screen projection connection with the display device after receiving the screen projection reply, so that the screen projection process is completed.

In some embodiments, if the screen projection request sent by the mobile terminal is not monitored within the first preset time, the process of switching the wireless local area network to the peer-to-peer network is stopped.

It is understood that the first preset time can be determined according to practical situations, and the comparison in the embodiments of the present application is not particularly limited.

In order to save the energy consumption of the display device and ensure the quality of the display device network, if the screen projection request cannot be monitored within a certain time, the display device can automatically close the screen projection function and fixedly connect the network to the WLAN port, so that the power consumption and the network delay caused by the fact that screen projection cannot be realized or no mobile terminal projects a screen are avoided, and the user experience is further improved.

Fig. 9 is a flowchart illustrating a second screen projection processing method according to some embodiments, where an execution subject of this embodiment may be the mobile terminal 300 or the processor of the mobile terminal 300 in the embodiment shown in fig. 1. As shown in fig. 9, the method includes:

s901: and sending a screen projection request.

S902: and monitoring screen projection responses.

The screen projection response is that the display equipment responds to screen projection operation triggered by a user and enters a first working mode of mutual switching between the wireless local area network and the peer-to-peer network; in any first working mode, when the wireless local area network is switched to a peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply is sent according to the screen projection request.

Fig. 10 is an interaction flow diagram illustrating a first screen projection processing method according to some embodiments, as shown in fig. 10, the method including:

s1001: the display device responds to screen projection operation triggered by a user and enters a first working mode of mutual switching between the wireless local area network and the peer-to-peer network.

S1002: and in any first working mode, the display equipment acquires a wireless local area network channel connected with the wireless local area network when the wireless local area network is switched to the peer-to-peer network, and accesses the peer-to-peer network into the wireless local area network channel.

S1003: and the mobile terminal sends a screen projection request.

S1004: after the wireless local area network is switched to the peer-to-peer network, the display device monitors the screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find the mobile terminal to be projected with the screen.

S1005: the mobile terminal monitors screen-casting responses.

After step S1005, the method further includes:

and if the display equipment monitors the screen projection request sent by the mobile terminal, sending a screen projection reply according to the screen projection request.

And the mobile terminal receives the screen projection reply and establishes screen projection connection according to the screen projection reply.

In some embodiments, the sequence of the steps S1003, S1004 and S1005 may be replaced, and the mobile terminal may send a screen-casting request and monitor a screen-casting reply at any time, which is not limited in this embodiment of the present application.

An embodiment of the present application further provides a display device, including: a controller and a display connected with the controller.

Wherein the controller is configured to: responding to screen projection operation triggered by a user, and entering a first working mode in which a wireless local area network and a peer-to-peer network are switched with each other; in any first working mode, when the wireless local area network is switched to a peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find the mobile terminal to be projected.

In some embodiments, the controller, after listening for the screen-casting request through a wireless local area network channel connected through a peer-to-peer network to discover the mobile terminal to be screen-cast, is further configured to: entering a second working mode in which the wireless local area network and the peer-to-peer network are switched with each other every a preset number of first working modes; in any second operating mode, accessing the peer-to-peer network to a 2.4 gigahertz channel; : after the wireless local area network is switched to the peer-to-peer network, the screen projection request is monitored through a 2.4GHz channel connected with the peer-to-peer network, so that the mobile terminal to be projected is found.

In some embodiments, the controller is further configured to send a screen projection reply according to the screen projection request if the screen projection request sent by the mobile terminal is monitored, so that the mobile terminal establishes a screen projection connection according to the screen projection reply.

In some embodiments, the controller is further configured to stop performing the handover procedure from the wireless local area network to the peer-to-peer network if the screen-casting request sent by the mobile terminal is not monitored within the first preset time.

An embodiment of the present application further provides a mobile terminal, including: a transmitting part and a monitoring part.

The sending part is used for sending a screen projection request.

And the monitoring part is used for monitoring screen projection responses.

The mobile terminal provided by the embodiment of the application is used for sending the screen projection request after the screen projection function is started, so that the display device sends the screen projection reply after receiving the screen projection request, the screen projection connection between the mobile terminal and the display device is realized, when the screen projection function is started, a monitoring channel (listen channel) of p2p for monitoring the screen projection request is controlled to follow a WLAN (wireless local area network) channel, the channel switching is not required to be carried out by a display device controller, the time for mutual discovery between the mobile terminal for starting the screen projection function and the display device is shortened, the discovery efficiency between screen projection devices is further improved, and the user experience is improved.

The mobile terminal provided by the embodiment of the application can be matched with the display device embodiment to realize screen projection processing, the realization principle and the technical effect are similar, and the details are not repeated here.

The embodiment of the present application further provides a screen projection processing method, which is applied to the display device of the above embodiment, and the method includes: responding to screen projection operation triggered by a user, and entering a first working mode in which a wireless local area network and a peer-to-peer network are switched with each other; in any first working mode, when the wireless local area network is switched to a peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find the mobile terminal to be projected.

The screen projection processing method provided by the embodiment of the application can be applied to the embodiment of the display device, the implementation principle and the technical effect are similar, and details are not repeated here.

The embodiment of the present application further provides a screen projection processing method, which is applied to the mobile terminal of the above embodiment, and includes: sending a screen projection request; monitoring screen projection answers, wherein the screen projection answers are that the display equipment responds to screen projection operation triggered by a user and enters a first working mode in which the wireless local area network and the peer-to-peer network are mutually switched; in any first working mode, when the wireless local area network is switched to a peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to the peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply is sent according to the screen projection request.

The screen projection processing method provided by the embodiment of the application can be applied to the embodiment of the mobile terminal, the implementation principle and the technical effect are similar, and details are not repeated here.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A display device, comprising:

a controller configured to:

responding to screen-casting operation triggered by a user, and entering a first working mode of mutual switching between a wireless local area network and a peer-to-peer network; in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to a peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network so as to find a mobile terminal to be projected;

and the display is connected with the controller and used for displaying the screen projection content of the mobile terminal after the screen projection connection is established with the mobile terminal.

2. The display device of claim 1, wherein the controller, after listening for the screen-shot request over the wireless local area network channel connected via the peer-to-peer network to discover the mobile terminal to be screen-shot, is further configured to:

3. The display device according to any one of claims 1 to 2, wherein the controller is further configured to:

and if a screen projection request sent by the mobile terminal is monitored, sending a screen projection reply according to the screen projection request, so that the mobile terminal establishes screen projection connection according to the screen projection reply.

4. The display device according to any one of claims 1 or 2, wherein the controller is further configured to:

and if the screen-casting request sent by the mobile terminal is not monitored within the first preset time, stopping executing the process of switching the wireless local area network to the peer-to-peer network.

5. A mobile terminal, comprising:

a transmitting unit configured to transmit a screen-casting request;

the monitoring part is used for monitoring screen projection answers, wherein the screen projection answers are that the display equipment responds to screen projection operation triggered by a user and enters a first working mode in which a wireless local area network and a peer-to-peer network are mutually switched; in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to a peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply sent according to the screen projection request is sent.

6. A screen projection processing method is applied to display equipment and comprises the following steps:

and after the wireless local area network is switched to the peer-to-peer network, monitoring a screen-casting request through a wireless local area network channel connected with the peer-to-peer network so as to discover the mobile terminal to be subjected to screen casting.

7. The method according to claim 6, wherein after the listening for the screen-casting request through the wireless local area network channel of the peer-to-peer network connection to discover the mobile terminal to be screen-cast, further comprising:

in any second mode of operation, accessing the peer-to-peer network to a 2.4 gigahertz channel;

8. The method according to any one of claims 6 or 7, further comprising:

9. The method of any one of claims 6 or 7, further comprising:

10. A screen projection processing method is applied to a mobile terminal and comprises the following steps:

sending a screen projection request;

monitoring screen projection answers, wherein the screen projection answers are that the display equipment responds to screen projection operation triggered by a user and enters a first working mode in which a wireless local area network and a peer-to-peer network are switched with each other; in any first working mode, when the wireless local area network is switched to the peer-to-peer network, acquiring a wireless local area network channel connected with the wireless local area network, and accessing the peer-to-peer network to the wireless local area network channel; after the wireless local area network is switched to a peer-to-peer network, monitoring a screen projection request through a wireless local area network channel connected with the peer-to-peer network; and if a screen projection request sent by the mobile terminal is monitored, a screen projection reply sent according to the screen projection request is sent.