WO2023155529A1 - Dispositif d'affichage, système domestique intelligent et procédé de commande multi-écran pour dispositif d'affichage - Google Patents

Dispositif d'affichage, système domestique intelligent et procédé de commande multi-écran pour dispositif d'affichage Download PDF

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Publication number
WO2023155529A1
WO2023155529A1 PCT/CN2022/134668 CN2022134668W WO2023155529A1 WO 2023155529 A1 WO2023155529 A1 WO 2023155529A1 CN 2022134668 W CN2022134668 W CN 2022134668W WO 2023155529 A1 WO2023155529 A1 WO 2023155529A1
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WIPO (PCT)
Prior art keywords
card
control
screen
display device
focus
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PCT/CN2022/134668
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English (en)
Chinese (zh)
Inventor
马乐
宋子全
贾亚洲
周晓磊
Original Assignee
海信视像科技股份有限公司
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Publication of WO2023155529A1 publication Critical patent/WO2023155529A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2803—Home automation networks
    • H04L12/2816—Controlling appliance services of a home automation network by calling their functionalities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the present application relates to the field of smart home technology, in particular to a display device, a smart home system and a multi-screen control method for the display device.
  • the smart home system is a multi-device network system based on the Internet of Things technology, which can realize the coordinated operation of multiple devices through network communication to meet the needs of users.
  • a smart home system can be composed of smart devices such as smart TVs, smart refrigerators, smart terminals, and Rubik’s Cube screens. Users can control smart TVs to play specific media by performing interactive actions on smart terminals, or by executing interactive actions on Rubik’s Cube screens. Interactive action, control the refrigerating temperature of the smart refrigerator, and realize the coordinated operation of multiple devices.
  • the user needs to designate at least one smart device in the smart home system as the main control device, and install a control application in the main control device, so as to control the operation of other devices through the control application.
  • a control application such as " ⁇ ” and "Universal Remote Control” on the smart terminal
  • run the control application select the controlled device option presented in the control application
  • enter the control menu so as to execute in the control menu Control interaction actions to generate control instructions.
  • the smart terminal then sends the control command to the corresponding controlled device through the smart home system network to realize control interaction.
  • a smart home system may include multiple smart devices with display screens, and various smart scene functions of the smart devices are presented and interacted with the user through the display screens.
  • smart TVs can provide users with a wealth of audio-visual entertainment resources; smart refrigerator screens can view and automatically identify ingredients in the refrigerator, and recommend recipes to users accordingly; oven screens can be used to check the cooking status of food; Set the operating status of the stove and hood, etc.
  • An embodiment of the present application provides a display device, including: a display, a communicator, and a controller.
  • the display is configured to display a multi-screen control interface, the multi-screen control interface includes a plurality of card controls, and each card control has an association relationship with the controlled device; the communicator is configured to communicate with at least one controlled device.
  • the control device establishes a communication connection; the controller is configured to execute: acquire a control instruction input by the user for displaying the focus card, the focus card is a card control located in the focus area in the multi-screen control interface; respond Based on the control instruction, the controlled device associated with the focus card establishes a data transmission channel; receives the shared screen data stream sent by the controlled device through the data transmission channel, and the shared screen is controlled by the controlled device Execute screen recording and generation on the displayed screen; display the shared screen in the focus card.
  • An embodiment of the present application provides a smart home system, including a display device and a controlled device, and the display device and the controlled device establish a communication connection by connecting to the same network.
  • the display device is configured to: obtain a control instruction input by the user for displaying the focus card, and in response to the control instruction, establish a data transmission channel for the controlled device associated with the focus card;
  • the multi-screen The control interface includes a plurality of card controls, and each card control has an association relationship with the controlled device;
  • the focus card is a card control located in the focus area in the multi-screen control interface;
  • the controlled device is configured to: After establishing a data transmission channel with the display device, perform screen recording on the currently displayed screen to generate a shared screen data stream; and send the shared screen data stream to the display device;
  • the display device is also configured to : receiving the shared screen data stream, and displaying the shared screen in the focus card.
  • An embodiment of the present application provides a multi-screen control method for a display device.
  • the multi-screen control method includes: acquiring a control command input by a user for displaying a focus card, the focus card being located in the multi-screen control interface The card control in the focus area; the multi-screen control interface includes a plurality of card controls, and each card control has an association relationship with the controlled device; in response to the control instruction, the controlled device associated with the focus card is established Data transmission channel; receiving the shared screen data stream sent by the controlled device through the data transmission channel, the shared screen is generated by the controlled device performing screen recording on the displayed screen; displaying the shared screen in the focus card to share the screen.
  • FIG. 1 is a usage scenario diagram of a display device according to some embodiments.
  • FIG. 2 is a configuration diagram of a display device according to some embodiments.
  • Fig. 3 is a schematic structural diagram of a smart home system according to some embodiments.
  • Fig. 4 is a schematic diagram of a multi-screen control interface according to some embodiments.
  • Fig. 5 is a schematic flow diagram of starting a multi-screen control interface according to some embodiments.
  • Fig. 6 is a schematic structural diagram of a display device according to some embodiments.
  • Fig. 7 is a schematic diagram of an initial position of a switching card control according to some embodiments.
  • Fig. 8 is a schematic diagram of the termination position of the switching card control according to some embodiments.
  • FIG. 9 is a schematic diagram of a background area according to some embodiments.
  • Figure 10 is a schematic diagram of a card background image according to some embodiments.
  • Fig. 11 is a schematic diagram of remote touch operation control effects according to some embodiments.
  • Fig. 12 is a schematic diagram of remote button operation control effects according to some embodiments.
  • Figure 13 is a flow diagram of a smart home system control according to some embodiments.
  • the display device provided in the embodiments of the present application may have various implementation forms, for example, it may be a TV, a smart TV, a laser projection device, a monitor, an electronic bulletin board, an electronic table, etc.
  • Fig. 1 is a schematic diagram of a usage scenario of a display device according to some embodiments. As shown in FIG. 1 , the user can operate the display device 200 through the smart device 300 or the control device 100 .
  • 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, and other short-distance communication methods, and the display device 200 is controlled wirelessly or wiredly.
  • the user can control the display device 200 by inputting user commands through buttons on the remote control, voice input, control panel input, and the like.
  • the smart device 300 (such as a mobile terminal, a tablet computer, a computer, a notebook computer, etc.) can also be used to control the display device 200 .
  • the display device 200 is controlled using an application program running on the smart device.
  • the display device may not use the aforementioned smart device or control device to receive instructions, but may receive user control through touch or gesture.
  • the display device 200 can also be controlled in a manner other than the control device 100 and the smart device 300.
  • the module for obtaining voice commands configured inside the display device 200 can directly receive the user's voice command control , the user's voice command control can also be received through the voice control device installed outside the display device 200.
  • the display device 200 also performs data communication with the server 400 .
  • the display device 200 may be allowed to communicate via 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 device 200 .
  • the server 400 may be one cluster, or multiple clusters, and may include one or more types of servers.
  • Figure 2 is a configuration diagram of a display device according to some embodiments, the display device 200 may include a tuner and demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, and a display 260 , at least one of an audio output interface 270, a memory, a power supply, and a user interface.
  • a tuner and demodulator 210 may include a tuner and demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, and a display 260 , at least one of an audio output interface 270, a memory, a power supply, and a user interface.
  • the controller 250 may include a processor, a video processor, an audio processor, a graphics processor, a RAM, a ROM, a first interface to an nth interface for input/output.
  • the display 260 may include the following components, namely: a display screen component for presenting a picture; a drive component for driving image display; for receiving an image signal output from the controller 250, and displaying video content, image content and menu manipulation interface Components and components that the user manipulates the UI interface, etc.
  • the display 260 can be a liquid crystal display, an OLED display, and a projection display, and can also be a projection device and a projection screen.
  • the communicator 220 is a component for communicating with external devices or servers according to various communication protocol types.
  • the communicator may include at least one of a Wifi module, a Bluetooth module, a wired Ethernet module and other network communication protocol chips or near field communication protocol chips, and an infrared receiver.
  • the display device 200 may establish transmission and reception of control signals and data signals with the external control device 100 or the server 400 through the communicator 220 .
  • the user interface can be used to receive control signals from the control device 100 (such as: an infrared remote controller, etc.).
  • the detector 230 is used to collect signals of the external environment or interaction with the outside.
  • the detector 230 includes a light receiver, which is a sensor for collecting ambient light intensity; or, the detector 230 includes an image collector, such as a camera, which can be used to collect external environmental scenes, user attributes or user interaction gestures, or , the detector 230 includes a sound collector, such as a microphone, for receiving external sound.
  • the external device interface 240 may include, but is not limited to, any of the following: high-definition multimedia interface (HDMI), analog or data high-definition component input interface (component), composite video input interface (CVBS), USB input interface (USB), RGB port, etc. or multiple interfaces. It may also be a composite input/output interface formed by the above-mentioned multiple interfaces.
  • HDMI high-definition multimedia interface
  • component analog or data high-definition component input interface
  • CVBS composite video input interface
  • USB USB input interface
  • RGB port etc.
  • It may also be a composite input/output interface formed by the above-mentioned multiple interfaces.
  • the tuner demodulator 210 receives broadcast TV signals through wired or wireless reception, and demodulates audio and video signals, such as EPG data signals, from multiple wireless or cable broadcast TV signals.
  • the controller 250 and the tuner-demodulator 210 may be located in different split devices, that is, the tuner-demodulator 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 wait.
  • the controller 250 controls the work of the display device and responds to user operations through various software control programs stored in the memory.
  • the controller 250 controls the overall operations of the display device 200 . For example, in response to receiving a user command for selecting a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user command.
  • the controller 250 includes a central processing unit (Central Processing Unit, CPU), a video processor, an audio processor, a graphics processor (Graphics Processing Unit, GPU), RAM (Random Access Memory, RAM), ROM ( Read-Only Memory, ROM), at least one of the first interface to the nth interface for input/output, a communication bus (Bus), and the like.
  • CPU Central Processing Unit
  • video processor video processor
  • audio processor audio processor
  • graphics processor GPU
  • RAM Random Access Memory
  • ROM Read-Only Memory
  • the display device 200 can establish a communication connection relationship with multiple smart devices. Moreover, multiple smart devices and display devices 200 that have established a communication connection relationship can be grouped according to factors such as user, area, and connection network to form a local area network system.
  • the local area network system is applied to a home environment, that is, when the display device 200 and the smart device are home appliances, the formed local area network system can be called a smart home system.
  • the display device 200 may be a smart TV
  • the smart devices establishing a communication relationship with the smart TV may be smart refrigerators, smart ovens, smart hoods, smart air conditioners, lamps, and smart speakers.
  • the display device 200 can be connected with multiple smart devices through the same router device to form a local area network, that is, as a smart home system.
  • the display device 200 and the smart devices constituting the smart home system can transmit data and instructions to each other, so as to realize the coordinated control of the home system.
  • a smart refrigerator can send data such as temperature, humidity, and food storage time monitored internally to the display device 200 through the smart home system network, so that the display device 200 can display data such as temperature, humidity, and food storage time inside the smart refrigerator. content.
  • FIG. 3 is a schematic structural diagram of a smart home system according to some embodiments.
  • an artificial intelligence Internet of Things (Artificial Intelligence&Internet of Things, AIoT) can be built in a home LAN , the display device 200 and the smart device can establish a communication connection relationship through the AIoT system. Then, during the operation of the smart home system, any device can send shared data to the AIoT system, and any device can obtain data shared by other devices through the AIoT system to realize collaborative operation in the smart home system.
  • AIoT Artificial Intelligence&Internet of Things
  • the user can also control the operation of another device through one device.
  • the user can perform an interactive action on the display device 200 to control the start/stop of the smart cigarette machine. That is, the user can control the display device 200 to display the smart home application interface, and select the "smart hood" option in the application interface, and control the display device 200 to display the control interface for the smart hood. Then select the switch option in the control interface, and now the display device 200 will generate a switch command for the smart cigarette machine, and send it to the smart cigarette machine through the AIoT system. The smart cigarette machine starts or stops running in response to the received switch command.
  • the display device 200 on which the user performs interaction may serve as the master control device, and the controlled smart cigarette machine may serve as the controlled device.
  • the master device and the controlled device are relative, that is, the same smart device can be used as the master device and the controlled device in different control processes.
  • there is generally only one master device while there can be multiple controlled devices.
  • the lamps in each room can be used as separate controlled devices, and the number is multiple.
  • the controlled device it can have different hardware composition according to the actual function.
  • the master control device can implement control in different ways. For example, for controlled devices such as lamps and lanterns with simple structure and single function, the user can send switch commands and brightness adjustment commands to it through the main control device, so that the lamps can be turned on, off and brightness adjusted according to the sent commands.
  • the smart home system For such controlled devices, users can usually use the smart home system to realize all control functions.
  • an independent operating system can be built in and support the interaction mode corresponding to the operating system.
  • smart TV devices provide users with rich audio-visual entertainment resources; the refrigerator screen can view and automatically identify the ingredients in the refrigerator, and recommend recipes to users accordingly; the oven screen can check the cooking status of food; operating status, etc.
  • a smart refrigerator can only upload information such as temperature, humidity, and storage time to the AIoT system, allowing users to watch these parameters on a smart TV.
  • the functions it supports such as ingredient identification and recipe recommendation, require the user to perform operations based on the display screen. At this time, the user cannot directly complete the operation through the smart TV, and needs to walk to the refrigerator device It is not convenient for users to view and operate.
  • some embodiments of the present application provide a multi-screen control method, which is used to perform interactions on the screens of other controlled devices on the screen of the master device, so as to control the controlled devices.
  • the multi-screen control method can be applied to the display device 200 , and in order to meet the implementation process of the method, the display device 200 should at least include a display 260 , a communicator 220 and a controller 250 .
  • FIG. 4 is a schematic diagram of a multi-screen control interface according to some embodiments.
  • the multi-screen control interface may include multiple card controls, and each card control has an association relationship with a controlled device, and is used to present The contents of the current display screen of the controlled device of the association relationship.
  • card 1 is associated with a smart TV
  • card 2 is associated with a smart refrigerator
  • card 3 is associated with a smart oven, etc.
  • Multiple card controls can be arranged sequentially in the multi-screen control interface for users to select and operate.
  • the user may control the display device 200 to display the multi-screen control interface by inputting an activation command. That is, as shown in FIG. 5, FIG. 5 is a schematic diagram of a flow chart for starting a multi-screen control interface according to some embodiments.
  • the display device 200 acquires a start instruction input by a user for displaying a multi-screen control interface, and after receiving the start instruction, , in response to the start command, displaying a multi-screen control interface.
  • the multi-screen control interface may be a system control interface of the display device 200.
  • the user may control the display device 200 to switch to display the multi-screen control interface by performing a series of interactions on the control menu. For example, the user may sequentially select the option "My-Network-Smart Home-Remote Screen Control" in the control homepage of the display device 200 to control the display device 200 to switch to displaying a multi-screen control interface.
  • the multi-screen control interface may also be an application interface displayed by the display device 200 by running smart home application programs. For example, the user may download and install the "XX Smart Home” application through the "App Store” interface provided by the operator of the display device 200 . And after the installation is completed, the user can select and run the “ ⁇ Smart Home” application in the application list interface of the display device 200, and then the display device 200 can display the application interface after running the application, that is, display the multi-screen control via the display 260 interface.
  • the display device 200 may traverse the controlled devices in the local area network connected to the communicator 220 and obtain device information of the controlled devices. That is, after receiving the startup command, the display device 200 can broadcast a search request to the connected local area network through the communicator 220, and the controlled device in the local area network can make feedback after receiving the search request and send it to the display
  • the device 200 feeds back device information, including information such as the device's network address, device type, and device screen size.
  • the display device 200 can analyze the traversal result, and add a card control in the multi-screen control interface according to the number of the controlled devices traversed.
  • the number of card controls added to the multi-screen control interface may be the same as the number of controlled devices found in the traversal result. For example, within the set detection period after the display device 200 broadcasts the search request, the display device 200 traverses a total of 5 controlled devices, namely smart TV, smart refrigerator, smart hood, smart oven, and smart cube screen. Then five card controls can be added to the multi-screen control interface, and each card control is associated with a controlled device.
  • the multi-screen control interface is used to display content on the screens of the controlled devices to achieve remote operation. Therefore, in some embodiments, after the traversal is completed, the display device 200 can filter the devices found in the traversal results based on the device information, remove smart devices without display screens in the traversal results, and then increase the number of devices according to the number of screened devices. Add a card control to the screen control interface. For example, the display device 200 traverses a total of 5 controlled devices, which are smart TV, smart refrigerator, smart hood, lamp (bedroom), and lamp (living room). Since the lamps (bedroom) and lamps (living room) have no display screens, they can be removed from the traversal results, and only three card controls are added to the multi-screen control interface, which are respectively connected to the smart TV, smart refrigerator, and smart hood. Create an association.
  • Each card control added in the multi-screen control interface has a unique card ID.
  • the card ID of the first card control is card001
  • the card ID of the second card control is card002
  • Multiple card controls can be distinguished by the card ID, and the association relationship between the card control and the controlled device can be represented by the card ID. That is, the display device 200 can create a device list according to the card ID and device information of the card control. In the device list, the device information of each controlled device and the association relationship between the controlled device and the card control can be included.
  • the display device 200 may load the device list into the memory space for calling during the process of displaying the multi-screen control interface. For example, the display device 200 may query the screen size of the controlled device according to the device list, so as to set the shape of the card control according to the screen size. It is also possible to query the controlled device associated with a certain card control according to the device list, so as to send data or instructions to the controlled device.
  • the establishment of the association relationship between the card control and the controlled device can be established sequentially according to the sequence in which the controlled devices are discovered in the local area network and the card ID sequence of the card control. That is, in some embodiments, the display device 200 may establish an association relationship between the smart TV and the card control whose card ID is card001 when discovering the first controlled device, the smart TV. Similarly, when the display device 200 discovers the second controlled device, the smart refrigerator, it establishes an association relationship between the smart refrigerator and the card002 card control.
  • the display device 200 can also establish the association relationship in other order, for example, according to the device name, device network address, device use frequency and device function And other factors are sorted, and then according to the sequence obtained by sorting, the association relationship is established in turn.
  • the display device 200 may display multiple controlled devices through multiple card controls for the user to perform interactive control.
  • multiple cards can be added in the multi-screen control interface according to a specific interface layout.
  • multiple card controls can be arranged in a multi-screen control interface in a rectangular array or a linear array.
  • One of several card controls that can be used as the focus card to allow users to perform interactive actions within its area For example, when the user controls the smart TV associated with the card control 1, the card control 1 is the focus card. Since the user can usually only control one controlled device in one interaction, there is usually only one focus card. When the user performs switching control among multiple controlled devices, the focus card needs to be switched as well.
  • the focus card in the multi-screen control interface may occupy most of the area of the current interface. That is, in the multi-screen control interface, a focus area can be defined, and the card controls located in the focus area can occupy most of the area of the current interface, that is, serve as the focus area.
  • the focus area may be the middle area of the multi-screen control interface.
  • the focus card can be determined by the user through a selection operation. For example, the user can select card control 2 among card control 1, card control 2, and card control 3 in the multi-screen control interface, then the display device 200 can use card control 2 as the focus card control, so that the user can associate card control 2
  • the smart refrigerator performs interactive operations.
  • FIG. 6 is a schematic structural diagram of a display device according to some embodiments.
  • the display device 200 may first obtain a control instruction input by the user for displaying a focus card, wherein the focus card is in Card controls in the focus area of the multi-screen control interface. Then in response to the control instruction, the controlled device associated with the focus card establishes a data transmission channel.
  • Control instructions can be generated according to different interactive actions. Since the multi-screen control interface will focus on a specific card control by default when the multi-screen control interface is displayed, in some embodiments, the display device 200 may acquire the information for displaying the focused card when the user triggers an instruction to display the multi-screen control interface. Control instruction. That is, the control instruction may include an activation instruction, and the activation instruction is used to make the display device 200 present a multi-screen control interface.
  • the user can perform interactive operations based on the control homepage, that is, select "My-Network-Smart Home-Remote Screen Control" in sequence to control the display device 200 to display the multi-screen control interface. Since the default focus card of the multi-screen control interface is the card control 1, that is, the card control 1 is displayed in the focus area of the multi-screen control interface. Therefore, the display device 200 can acquire the control instruction input by the user for displaying the focus card (card control 1).
  • the display device 200 may also obtain a control instruction for displaying the focus card when the user controls focus switching among multiple card controls. That is, the control instruction may include a switching instruction. The switch command is used to switch the focus of multiple card controls. After displaying the multi-screen control interface, the display device 200 may acquire a switching instruction input by the user for switching the focus card. According to the interaction modes supported by the display device 200, the user may input switching instructions through various interaction actions.
  • the user can control different card controls to enter or move out of the focus area by inputting a single-finger sliding touch operation outside the card area, so as to realize the switching operation of the card controls.
  • FIG. 7 is a schematic diagram of the starting position of the switch card control according to some embodiments
  • FIG. 8 is a schematic diagram of the end position of the switch card control according to some embodiments.
  • the user can control different card controls to enter or move out of the focus area through the buttons on the control device 100, so as to realize the switching operation of the card controls.
  • the focus card is the card control 2 in the displayed multi-screen control interface
  • the user can control the card control 1 on the left side of the card control 2 to enter the focus area through the "left" arrow key on the control device 100, thereby turning the focus
  • the card switches from card control 2 to card control 1.
  • the display device 200 receives a control instruction for displaying the focus card (card control 1).
  • the display device 200 receives a control instruction for displaying the focus card (card control 3).
  • the user can also input control instructions for displaying focus cards through methods such as voice interaction and mouse interaction.
  • the specific interaction logic can be based on the interaction form and display
  • the adaptive design of the hardware features of the device 200 will not be repeated here.
  • the display device 200 may determine the controlled device associated with the focus card according to the pre-created device list, and establish a data transmission channel with the controlled device. In some embodiments, in order to establish a data transmission channel, the display device 200 can
  • the display device 200 may first obtain the network address of the controlled device associated with the focus card. Then, according to the network address, a connection request is sent to the controlled device, wherein the connection request is used to trigger the controlled device to feed back connection information, and the connection information includes the transmission protocol and data transmission port number supported by the controlled device. Then, based on the network address and the data transmission port number, a data transmission channel conforming to the transmission protocol is established.
  • the display device 200 may first obtain the ip address of the controlled device, and then send a connection command to the controlled device according to the IP address and the specified connection port number port1. After the controlled device obtains the connection command, it can send a request response and return the type of the controlled device and the width and height of the device screen. The display device 200 then sends a request to the controlled device to obtain the transmission protocol supported by the controlled device. The controlled device returns the protocol type according to the request. The display device 200 then requests the controlled device according to the protocol type to obtain the data transmission port number. The controlled device returns the data transmission port number port2 according to the request. After receiving the data transmission port number, the display device 200 will establish a socket channel for data transmission, that is, a data transmission channel, according to the ip address and the port number port2.
  • the controlled device can perform a screen recording operation, convert the currently displayed picture into a video data stream, and then send it to the display device 200 through the established data transmission channel. Since the screen displayed by the controlled device can be shared with the display device 200, in this embodiment of the application, the screen displayed on the display screen of the controlled device is called a shared screen. Then, after establishing a data transmission channel with the display device 200, the controlled device may perform screen recording on the currently displayed screen to generate a shared screen data stream. Then, the shared picture data stream is sent to the display device 200 in real time to realize the picture sharing function. The display device 200 receives the shared screen data stream sent by the controlled device through the data transmission channel.
  • the shared screen is generated by the controlled device performing screen recording on the displayed screen.
  • Screen recording is a process of generating a video image based on the currently displayed image.
  • the controlled device can take screenshots of the displayed screen according to a specific output frame rate after starting the screen recording function. Then, the images generated by each screenshot can form a video stream according to the sequence of screenshots, that is, a shared picture data stream is generated.
  • the frame rate of the shared screen generated by the controlled device when recording the screen should be compatible with the screen refresh rate of the display device 200 as much as possible on the premise of satisfying the smooth animation effect (frame rate ⁇ 24FPS).
  • the display device 200 can also send the current screen refresh rate to the controlled device, so that the controlled device can perform the screen recording operation according to the screen refresh rate, and generate a screen that conforms to the display device 200
  • the shared screen video with screen refresh rate improves the display effect.
  • the controlled device can also encode the screen recording video according to the supported transmission protocol after recording the screen to obtain the video of the shared screen, so that the screen recording data can be sent to the display device 200 through the established data transmission channel.
  • the transmission protocol supported by the controlled device may be a custom protocol or a standard transmission protocol, such as the H264 codec protocol.
  • the protocol supported by the controlled device is also supported by the display device 200, so that the display device 200 can analyze the specific screen content from the shared screen data stream according to the corresponding protocol format.
  • the controlled device starts to record the screen, encodes it into H264 data, and writes it into the output stream of the data transmission channel.
  • the display device 200 can obtain data cyclically from the input stream of the data transmission channel, and send it to the decoder, and the decoder decodes the H264 data to obtain the video width and height for rendering and playing.
  • the display device 200 may display the shared screen in the focus card through real-time decoding and playing.
  • the display device 200 can query the screen size of the controlled device according to the pre-created device list, and render the play area on the card control according to the screen size.
  • the aspect ratio of the playback area should be consistent with the screen aspect ratio of the controlled device, so as to present the screen content consistent with the display effect of the controlled device.
  • the screen changes on the display screen of the controlled device can also be synchronized to the display device 200 in real time. At this time, if other users interact with the controlled device, the screen changes caused by the interaction may also be synchronized to the display device 200 for display, realizing the effect of remote monitoring of the controlled device.
  • the size of the display screen set on the controlled device is different, and the screen ratio of the shared screen formed by screen recording is also different, and the focus card is usually a rectangle or a rounded rectangle with a fixed size ratio. Therefore, when the shared screen is displayed in the focus card, it cannot be guaranteed that the shared screen corresponding to all controlled devices can fill the entire card area, that is, as shown in FIG. 9 , which is a schematic diagram of the background area according to some embodiments.
  • the focus card The display area and the background area of the screen will be formed.
  • the display device 200 may blur the background area of the focus card to form a fogged glass effect.
  • the display device 200 can first obtain the global background image of the multi-screen control interface, and then perform Gaussian blur processing on the global background image to generate a blurred image, and then detect the vertex coordinates of the card controls displayed in the multi-screen control interface, to follow The vertex coordinates intercept the card background image in the blurred image, and then add the card background image to the card control area as the display background of the card control.
  • the display device 200 may acquire the global background image p1 of the multi-screen control interface. And generate a Gaussian blur image p2 of the same size based on the global background image p1.
  • the display device 200 can respectively obtain the position of the card control in the entire interface, that is, obtain the vertex coordinates of the upper left corner of the card control 1 (x L1 , y T1 ) and The lower right vertex coordinates (x R1 , y B1 ), the upper left vertex coordinates (x L2 , y T2 ) and the lower right vertex coordinates (x R2 , y B2 ) that card control 2 can display in the current interface.
  • the display device 200 can determine a rectangular area according to the coordinates of the upper left corner and the lower right corner, and intercept images of corresponding positions in the blurred image p2 according to the rectangular area, that is, obtain card background images p3 and p4. Then set the card background images p3 and p4 as the background images of the card control 1 and the card control 2 respectively, that is, the frosted glass blocking effect can be realized on the card control 1 and the card control 2.
  • the shared screen can be displayed on the basis of the display background.
  • the background area in the card presents the effect of frosted glass
  • the screen display area presents the specific content of the shared screen.
  • the display device 200 While presenting the shared screen, the display device 200 also supports interactive operations performed by the user based on the shared screen to remotely control the controlled device. Therefore, as shown in FIG. 11 , which is a schematic diagram of a remote touch operation control effect according to some embodiments, in some embodiments, the display device 200 can obtain an interaction command input by a user in the remote interaction area.
  • the remote interaction area covers the display area of the shared screen, that is, all or part of the interactive actions performed based on the shared screen need to be within the display area of the shared screen. For example, for a sliding touch operation, if the starting point of the sliding operation is within the display area of the shared screen and the ending point is outside the display area of the shared screen, the sliding operation is considered to be an interactive operation based on the shared screen.
  • the display device 200 may determine whether the button interactive operation performed by the user is an interactive operation based on a shared screen by setting a selected policy. For example, when the user moves the card control 2 to the focus area through the direction keys of the control device 100 , the focus cursor is located on the card control 2 . At this time, if the user wants to perform interaction based on the shared screen of the smart refrigerator associated with the card control 2, the user can press the "confirm" button after the card control 2 is selected by the focus cursor. Then in the subsequent interaction process, if the user presses the button on the control device 100 again, it means that the button operation is input for the smart refrigerator, that is, an interaction instruction input in the remote interaction area.
  • the display device 200 may respond to the interaction instruction and detect the interaction type of the interaction instruction and the interaction position of the interaction instruction in the remote interaction area.
  • the interaction type may have different forms according to the specific interaction mode of the user and the interaction mode supported by the controlled device.
  • the interaction type may include single-finger (or multiple-finger) click, single-finger (or multiple-finger) slide, double-click, long-press, and the like.
  • Each interaction type can have different functional responses according to the interaction strategy of the controlled device.
  • the interaction mode is button interaction of the control device 100
  • the interaction type corresponds to a specific button operation type. That is, the interaction types include arrow keys (move), confirm, menu, return, power on/off, and so on.
  • the display device 200 may calculate the mapping coordinates according to the relative ratio of the interaction location to the remote interaction area. For example, for touch interaction operations, the display device 200 can display the content of the shared screen through the card control, and then detect the playback area in the display screen to know that the playback area has a width of vw and a height of vh; The middle query shows that the actual width of the screen of the controlled device is dw, and the height is dh. Then when the user's finger touches in the interaction area, the position where the finger falls can be obtained as (x, y). The touch position of the finger and the remote interaction area belong to the same coordinate system, and the actual touch position (dx, dy) of the device can be calculated, that is, the mapping coordinates:
  • the display device 200 then sends the interaction type and the mapping coordinates to the controlled device, so that the controlled device executes the interaction instruction. That is, the display device 200 can send the actual touch position (dx, dy) to the controlled device through a data transmission channel or other communication protocols. The controlled device then sends a simulated touch event to the system based on the location to realize cross-device touch interaction.
  • the video screen cannot directly respond to interface interaction.
  • FIG. 12 which is a schematic diagram of remote button operation control effects according to some embodiments
  • the focus cursor on the display device 200 cannot directly move to a certain control content in the shared screen. Therefore, when the user uses the control When the apparatus 100 performs an interactive operation, the display device 200 can only transmit the button action to the controlled device, and the controlled device completes the interface interaction response.
  • the display device 200 may acquire the remote control command input by the user based on the shared screen in the focus card.
  • the remote control command is input by the user through the corresponding button operation of the control device 100 matched with the display device 200 .
  • the display device 200 then responds to the remote control command, analyzes the key value of the key in the remote control command, and then simulates the key event according to the key value of the key and the interaction strategy of the controlled device. Finally, the key event is sent to the controlled device, so that the controlled device executes the remote control command to realize the remote control of the controlled device.
  • the user can control the focus cursor of the multi-screen control interface to move through the direction keys on the control device 100 .
  • the user presses the confirmation key of the control device 100 the display device 200 can set the card control 2 as the current focus card.
  • the display device 200 may confirm the subsequent key operation input by the user as a remote control command input based on the shared screen in the focus card.
  • the display device 200 can analyze the key value of the key, that is, one of the "up, down, left, and right" keys, and then simulate the card control according to the interaction strategy of the controlled device 2 Associating the button event of the direction key on the remote control of the smart refrigerator and sending it to the smart refrigerator, it is equivalent to the user performing a key operation on the direction key through the remote control of the smart refrigerator to realize remote control of the smart refrigerator. For example, according to the interaction mode of the direction key, the page turning operation in the smart refrigerator page, the moving operation of the focus cursor, etc. are realized.
  • the user can realize remote control of multiple controlled devices according to the multi-screen control interface of the display device 200 . Therefore, users do not need to go to each controlled device to view and operate, which greatly improves user convenience.
  • each controlled device is associated with a card control
  • the user can switch control of different controlled devices by switching the card control.
  • the display device 200 may re-establish a data transmission channel according to the switching target during the process of switching the focus card. That is, the display device 200 may first obtain a switching instruction input by the user for switching the focus card. Responding to the switching instruction, and detecting the center judgment value, so as to determine a new focus card according to the center judgment value.
  • the center judgment value is the distance between the center coordinates of the card control and the center coordinates of the multi-screen control interface.
  • the card control 1 when the card control 1 is located in the focus area, the user inputs a touch command to slide left. Following the sliding process of the user, the card control 1 can gradually move to the left, and at the same time, the card control 2 on the right side of the card control 1 also gradually moves to the left and enters the focus area. After the user's sliding action is completed, that is, after the finger leaves the display 260 , the distance between the center coordinates of each card control in the current multi-screen control interface and the center coordinates of the interface is detected.
  • the display device 200 can also calculate the distance between the center of the card control 2 and the center of the current interface, that is, the center judgment value L2 of the card control 2 is:
  • the display device 200 may re-determine the focus card and the non-focus card according to the magnitude of the center judgment value corresponding to each card control. If the center judgment value of the card control is less than or equal to the focus threshold, that is, the current card control is closer to the middle of the current display interface, the card control may be marked as a focus card. Similarly, if the center judgment value of the card control is greater than the focus threshold, that is, the current card control is far from the middle of the current display interface, the card control is marked as a non-focus card.
  • the display device 200 may adopt different control modes for their respective associated controlled devices. That is, for the non-focus card, the display device 200 may first send a command for stopping screen recording to the controlled device associated with the non-focus card. Then disconnect the data transmission channel of the controlled device associated with the non-focus card. For example, when the user moves the card control 1 out of the focus area through a touch action of sliding to the left, the display device 200 may send a stop screen recording command to the smart TV associated with the card control 1 . After receiving the screen recording stop command, the smart TV may stop running screen recording-related applications, that is, stop sending shared screen data streams to the display device 200 . At the same time, the display device 200 can also disconnect the data transmission channel of the controlled device associated with the non-focus card, so as to reduce the amount of data received and improve the network transmission efficiency of the display device 200 .
  • the display device 200 may send a connection request to its associated controlled device to establish a new data transmission channel in the manner provided in the above-mentioned embodiments. For example, when the user moves the card control 2 to the focus area by sliding left, the display device 200 may send a connection request to the smart refrigerator associated with the card control 2 and establish a data transmission channel with the smart refrigerator. At this time, the smart refrigerator can perform a screen recording operation, record the content displayed on the display screen, and generate a shared screen data stream and send it to the display device 200, so as to realize the switching operation of the controlled device.
  • the focus card can be used to display the shared screen associated with the controlled device and support users to perform interactive operations. Therefore, for ease of operation, the focus card should be located in the middle area of the entire multi-screen control interface, so as to have enough display space for presenting the shared screen.
  • the display device 200 may compare the center judgment values corresponding to each card control after calculating and obtaining the center judgment value, and automatically move the card control with the smallest center judgment value to the focus area. , and make its center coordinates coincide with the center coordinates of the current interface to assist the user in the card switching process.
  • the center judgment value L 1 corresponding to card control 1 728px
  • the center judgment value L 2 corresponding to card control 2 525px
  • the display device 200 can also detect the sliding speed or the sliding speed after the user inputs the sliding touch command. distance, if the sliding speed is greater than or equal to the set speed threshold, or the sliding distance is greater than or equal to the set distance threshold, then the card control adjacent to the current card control can be automatically moved to the focus area according to the sliding direction, further reducing the difficulty of operation .
  • the user may respond to a switching instruction and display a switching animation on the multi-screen control interface during the process of card switching.
  • the display device 200 can detect the vertex coordinates of the card controls in the multi-screen control interface in real time, and update the display background of each card control in real time according to the vertex coordinates.
  • the display device 200 can obtain in real time the current position of each card control that can be displayed in the interface, reacquire the coordinates of the vertices corresponding to the upper left corner and the lower right corner, and based on the new The rectangular area of the image is intercepted from the blurred image p2 and set as the card background, that is, the coordinates of the upper left corner (x L1 , y T1 ) and the lower right corner (x R1 , y B1 ) of the card control 1 are repeatedly obtained according to the set frequency.
  • some embodiments of the present application further provide a display device, including: a display 260 , a communicator 220 and a controller 250 .
  • the display 260 is configured to display a multi-screen control interface, the multi-screen control interface includes a plurality of card controls, and each card control has an association relationship with the controlled device;
  • the communicator 220 is configured to communicate with at least A controlled device establishes a communication connection;
  • the controller 250 is configured to perform the following procedural steps: obtain a control instruction input by the user for displaying a focus card, the focus card being located in the focus area in the multi-screen control interface
  • the controlled device associated with the focus card establishes a data transmission channel; receives the shared screen data stream sent by the controlled device through the data transmission channel, and the shared screen
  • the controlled device performs screen recording and generation on the displayed screen; and displays the shared screen in the focus card.
  • Fig. 13 is a control flow diagram of a smart home system according to some embodiments, adapted to the above-mentioned display device 200, and in some embodiments, a smart home system is also provided, including a display device 200 and a controlled device, the display device 200 and the controlled device establish a communication connection by connecting to the same network (such as the same local area network);
  • the user may perform step S130: the user inputs a control instruction for displaying the focus card.
  • the display device 200 is configured to: perform step S131: obtain a control instruction input by the user for displaying the focus card, and in response to the control instruction, establish a data transmission channel for the controlled device associated with the focus card; multi-screen control
  • the interface includes multiple card controls, and each card control has an association relationship with the controlled device; the focus card is a card control located in the focus area in the multi-screen control interface.
  • the controlled device is configured to: execute step S132: after establishing a data transmission channel with the display device, perform screen recording on the currently displayed screen to generate a shared screen data stream; and execute step S133: send shared screen data to the display device flow.
  • the display device is further configured to: execute step S134: receive the data stream of the shared screen, and display the shared screen in the focus card.
  • the display device and the smart home system provided in the above embodiments can establish a data transmission channel for the controlled device associated with the focus card when the user controls the display device 200 to display the focus card in the multi-screen control interface, and at the same time trigger the controlled device to perform screen recording operation to form a shared screen data stream. Then through the established data transmission channel, the shared screen data stream is sent to the display device, thereby displaying the shared screen in the focus card.
  • a data transmission channel to obtain the shared screen of the controlled device it can be realized in the multi-screen control interface of the display device 200 Display the shared screen with the same content as the screen displayed by the controlled device, which is convenient for users to perform remote control through the multi-screen control interface, and improves the interactive convenience of the smart home system.

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Abstract

La présente demande divulgue un dispositif d'affichage, un système domestique intelligent et un procédé de commande multi-écran pour un dispositif d'affichage. Dans un mode de réalisation de la présente demande, lorsqu'un utilisateur commande un dispositif d'affichage pour afficher une carte de mise au point dans une interface de commande à écrans multiples, un canal de transmission de données est établi avec un dispositif commandé associé à la carte de mise au point, le dispositif commandé est déclenché simultanément pour exécuter une opération d'enregistrement d'écran, et un flux de données visuelles partagées est formé ; le flux de données visuelles partagées est ensuite envoyé au dispositif d'affichage au moyen du canal de transmission de données établi, et ainsi un visuel partagé est affiché dans la carte de mise au point. Dans le mode de réalisation de la demande, le visuel partagé du dispositif commandé peut être obtenu par un canal de transmission de données établi, le visuel partagé qui a un contenu visuel identique au contenu affiché par le dispositif commandé est affiché dans l'interface de commande à écrans multiples du dispositif d'affichage, ce qui facilite la réalisation d'une commande à distance par un utilisateur au moyen de l'interface de commande à écrans multiples, et la commodité d'interaction d'un système domestique intelligent est améliorée.
PCT/CN2022/134668 2022-02-16 2022-11-28 Dispositif d'affichage, système domestique intelligent et procédé de commande multi-écran pour dispositif d'affichage WO2023155529A1 (fr)

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