CN117834961A - Display equipment and method for starting digital image-text application - Google Patents

Abstract

The embodiment of the application discloses a display device and a method for starting a digital image-text application, which accurately judge whether a scene of a current user is watching a program and whether the digital image-text application and a standard image-text application exist currently, and present more information and selection for the user by adding first prompt information, so that the user can make more accurate selection according to the needs, and the experience of the user is improved. The method comprises the following steps: detecting whether the display equipment is playing the program or not when a key value of a preset key is received; if the program is being played, detecting whether digital image-text application and standard image-text exist; if the digital image-text application and/or the standard image-text application exist, the display is controlled to display first prompt information, and the first prompt information comprises prompt texts and a continuous control; detecting whether the display equipment is connected with a network or not when receiving an instruction for selecting a continuation control; if the display device is connected to the network, the program is stopped and the digital image-text application is started.

Description

Display equipment and method for starting digital image-text application

Technical Field

The present disclosure relates to the field of display devices, and in particular, to a display device and a method for starting a digital graphics and text application.

Background

With the rapid development of display devices, functions that the display devices can provide to users are becoming more and more rich. Currently, display devices include televisions, set-top boxes, products with display screens, and the like. Taking a television as an example, the television has more and more scenes, and not only can be used as equipment for watching television programs in families, but also can play games, play electronic photo albums, display information and the like.

When the display device plays a program through a HbbTV (Hybrid Broadcast/Broadcast TV) application, digital graphics can be displayed by using a digital graphics application in the HbbTV application, and the digital graphics can be weather conditions and the like. In the process of playing the program, a user can operate according to own will, so that the display equipment starts the digital image-text application and displays the interface of the digital image-text application. But at this time, the digital image-text application is started, so that the program playing can be directly stopped, bad feeling is brought to the user, and the use experience of the user is reduced.

Disclosure of Invention

The application provides a display device and a method for starting a digital image-text application, which accurately judge whether a scene of a current user is watching a program and whether the digital image-text application and a standard image-text application exist currently, and present more information and selection for the user by adding first prompt information, so that the user can make more accurate selection according to the needs, and the experience of the user is improved.

In a first aspect, some embodiments of the present application provide a display device, including:

a display for displaying a user interface;

a user interface for receiving an input signal;

a controller coupled to the display and the user interface, respectively, configured to: when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started; if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected; detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

In some embodiments, the controller is further configured to: and if the display equipment is not connected with the network, stopping playing the program and playing the standard image-text.

In some embodiments, the controller is further configured to: and if the digital image-text application and the standard image-text do not exist, controlling the display to display second prompt information, wherein the second prompt information is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

In some embodiments, the first hint message further includes a cancel control; the controller is further configured to: and when receiving an instruction of selecting the cancel control, continuing to play the program.

In some embodiments, the controller is further configured to: if the program is not played, detecting whether a digital image-text application exists; if the digital image-text application exists, detecting whether the display equipment is connected with a network or not; and if the display device is connected with the network, starting the digital image-text application.

In some embodiments, the controller is further configured to: if the display device is not connected with the network, detecting whether a standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display third prompt information, wherein the third prompt information is used for prompting a user to check the network state.

In some embodiments, the controller is further configured to: if the digital image-text application does not exist, detecting whether the standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display second prompt information.

In some embodiments, the display device includes a memory for storing audio data and video data of a program; the controller, executing the step of detecting whether the display device is playing a program, is further configured to: detecting whether audio data and/or video data corresponding to a program being played exist in the memory; if so, determining that the display device is playing the program; if not, it is determined that the display device is not playing the program.

In some embodiments, the controller performs the step of detecting whether a digital teletext application is present, and is further configured to: acquiring an application program information list from a code stream of a broadcast television signal; searching a value of a use type from the application information list; if the value of the usage type is a specific value, it is determined that a digital teletext application exists.

In a second aspect, some embodiments of the present application provide a method for starting a digital graphics application, including:

when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started; if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected; detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

In some embodiments, the method further comprises: and if the display equipment is not connected with the network, stopping playing the program and playing the standard image-text.

In some embodiments, the method further comprises: and if the digital image-text application and the standard image-text do not exist, controlling the display to display second prompt information, wherein the second prompt information is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

In some embodiments, the first hint message further includes a cancel control; the method further comprises the steps of: and when receiving an instruction of selecting the cancel control, continuing to play the program.

In some embodiments, the method further comprises: if the program is not played, detecting whether a digital image-text application exists; if the digital image-text application exists, detecting whether the display equipment is connected with a network or not; and if the display device is connected with the network, starting the digital image-text application.

In some embodiments, the method further comprises: if the display device is not connected with the network, detecting whether a standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display third prompt information, wherein the third prompt information is used for prompting a user to check the network state.

In some embodiments, the method further comprises: if the digital image-text application does not exist, detecting whether the standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display second prompt information.

In some embodiments, the display device includes a memory for storing audio data and video data of a program; the step of detecting whether the display device is playing the program comprises: detecting whether audio data and/or video data corresponding to a program being played exist in the memory; if so, determining that the display device is playing the program; if not, it is determined that the display device is not playing the program.

In some embodiments, the method further comprises: the step of detecting whether the digital image-text application exists comprises the following steps: acquiring an application program information list from a code stream of a broadcast television signal; searching a value of a use type from the application information list; if the value of the usage type is a specific value, it is determined that a digital teletext application exists.

In the above embodiment, a display device and a method for starting a digital image-text application are provided, which accurately determine whether a current user scene is watching a program and whether a digital image-text application and a standard image-text application exist currently, and present more information and options for the user by adding first prompt information, so that the user can make more accurate choices as required, and the user experience is improved. The method comprises the following steps: when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started; if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected; detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

Drawings

FIG. 1 illustrates an operational scenario between a display device and a control apparatus according to some embodiments;

fig. 2 shows a hardware configuration block diagram of the control device 100 according to some embodiments;

fig. 3 illustrates a hardware configuration block diagram of a display device 200 according to some embodiments;

FIG. 4 illustrates a software configuration diagram in a display device 200 according to some embodiments;

FIG. 5 illustrates a flow chart of a method of starting a digital teletext application provided in accordance with some embodiments;

FIG. 6 schematically illustrates a schematic diagram of a user interface provided in accordance with some embodiments;

FIG. 7 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 8 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 9 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 10 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 11 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 12 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments;

FIG. 13 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments.

Detailed Description

For purposes of clarity and implementation of the present application, the following description will make clear and complete descriptions of exemplary implementations of the present application with reference to the accompanying drawings in which exemplary implementations of the present application are illustrated, it being apparent that the exemplary implementations described are only some, but not all, of the examples of the present application.

It should be noted that the brief description of the terms in the present application is only for convenience in understanding the embodiments described below, and is not intended to limit the embodiments of the present application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.

The terms "first," second, "" third and the like in the description and in the claims and in the above-described figures are used for distinguishing between similar or similar objects or entities and not necessarily for limiting a particular order or sequence, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.

The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.

The display device provided in the embodiment of the application may have various implementation forms, for example, may be a television, an intelligent television, a laser projection device, a display (monitor), an electronic whiteboard (electronic bulletin board), an electronic desktop (electronic table), and the like. Fig. 1 and 2 are specific embodiments of a display device of the present application.

Fig. 1 is a schematic diagram of an operation scenario between a display device and a control apparatus according to an embodiment. As shown in fig. 1, a user may operate the display device 200 through the smart device 300 or the control apparatus 100.

In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes infrared protocol communication or bluetooth protocol communication, and other short-range communication modes, and the display device 200 is controlled by a wireless or wired mode. The user may control the display device 200 by inputting user instructions through keys on a remote control, voice input, control panel input, etc.

In some embodiments, a smart device 300 (e.g., mobile terminal, tablet, computer, notebook, etc.) may also be used to control the display device 200. For example, the display device 200 is controlled using an application running on a smart device.

In some embodiments, the display device may receive instructions not using the smart device or control device described above, but rather receive control of the user by touch or gesture, or the like.

In some embodiments, the display device 200 may also perform control in a manner other than the control apparatus 100 and the smart device 300, for example, the voice command control of the user may be directly received through a module configured inside the display device 200 device for acquiring voice commands, or the voice command control of the user may be received through a voice control device configured outside the display device 200 device.

In some embodiments, the display device 200 is also in data communication with a server 400. The display device 200 may be permitted to make communication connections 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 a cluster, or may be multiple clusters, and may include one or more types of servers.

Fig. 2 exemplarily shows a block diagram of a configuration of the control apparatus 100 in accordance with an exemplary embodiment. As shown in fig. 2, the control device 100 includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply. 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 device 200, and function as an interaction between the user and the display device 200.

As shown in fig. 3, the display apparatus 200 includes at least one of a modem 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.

In some embodiments the controller comprises a processor, a video processor, an audio processor, a graphics processor (GPU, graphics processing unit), RAM, ROM, first to nth interfaces for input/output.

The display 260 includes a display screen component for presenting a picture, and a driving component for driving an image display, a component for receiving an image signal from the controller output, displaying video content, image content, and a menu manipulation interface, and a user manipulation UI interface.

The display 260 may be a liquid crystal display, an OLED display, a projection device, or a projection screen.

The communicator 220 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, or other network communication protocol chip or a near field communication protocol chip, 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.

A user interface, which may be used to receive control signals from the control device 100 (e.g., an infrared remote control, etc.).

The detector 230 is used to collect signals of the external environment or interaction with the outside. For example, detector 230 includes a light receiver, a sensor for capturing the intensity of ambient light; alternatively, the detector 230 includes an image collector such as a camera, which may be used to collect external environmental scenes, user attributes, or user interaction gestures, or alternatively, the detector 230 includes a sound collector such as a microphone, or the like, which is used to receive external sounds.

The external device interface 240 may include, but is not limited to, 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, or the like. The input/output interface may be a composite input/output interface formed by a plurality of interfaces.

The modem 210 receives broadcast television signals through a wired or wireless reception manner, and demodulates audio and video signals, such as EPG data signals, from a plurality of wireless or wired broadcast television signals.

In some embodiments, the controller 250 and the modem 210 may be located in separate devices, i.e., the modem 210 may also be located in an external device to the main device in which the controller 250 is located, such as an external set-top box or the like.

The controller 250 controls the operation of the display device and responds to the user's operations through various software control programs stored on the memory. The controller 250 controls the overall operation of the display apparatus 200. For example: in response to receiving a user command to select 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.

In some embodiments the controller includes at least one of a central processing unit (Central Processing Unit, CPU), video processor, audio processor, graphics processor (Graphics Processing Unit, GPU), RAM Random Access Memory, RAM), ROM (Read-Only Memory, ROM), first to nth interfaces for input/output, a communication Bus (Bus), and the like.

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 recognizes the sound or gesture through the sensor to receive the user input command.

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

As shown in fig. 4, the system of the display device is divided into three layers, an application layer, a middleware layer, and a hardware layer, from top to bottom.

The application layer mainly comprises common applications on the television, and an application framework (Application Framework), wherein the common applications are mainly applications developed based on Browser, such as: HTML5 APPs; native applications (Native APPs);

the application framework (Application Framework) is a complete program model with all the basic functions required by standard application software, such as: file access, data exchange, and the interface for the use of these functions (toolbar, status column, menu, dialog box).

Native applications (Native APPs) may support online or offline, message pushing, or local resource access.

The middleware layer includes middleware such as various television protocols, multimedia protocols, and system components. The middleware can use basic services (functions) provided by the system software to connect various parts of the application system or different applications on the network, so that the purposes of resource sharing and function sharing can be achieved.

The hardware layer mainly comprises a HAL interface, hardware and a driver, wherein the HAL interface is a unified interface for all the television chips to be docked, and specific logic is realized by each chip. The driving mainly comprises: audio drive, display drive, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (e.g., fingerprint sensor, temperature sensor, pressure sensor, etc.), and power supply drive, etc.

The HBBTV application provides a form of combining digital television programs and networks for users, and brings great convenience for the users. The HBBTV application is a content distribution platform compatible with DVB (Digital television, digital television programming) and can provide signaling, transmission and presentation mechanisms for enhanced and interactive television services. HbbTV application is not a common application and can control the playing, stopping, size displaying and channel switching of digital television programs.

When the display device plays the program through the HbbTV application, the digital image-text application in the HbbTV application can be used for displaying the digital image-text, and the digital image-text can be weather conditions and the like. In the process of playing the program, a user can operate according to own will, so that the display equipment starts the digital image-text application and displays the interface of the digital image-text application. But at this time, the digital image-text application is started, so that the program playing can be directly stopped, bad feeling is brought to the user, and the use experience of the user is reduced.

In order to solve the technical problems, the embodiment of the application provides a method for starting a digital image-text application, which accurately judges whether a current user scene is watching a program and whether the digital image-text application and a standard image-text application exist currently, and presents more information and selection for the user by adding first prompt information, so that the user can make more accurate selection according to needs, and the user experience is improved.

Fig. 5 schematically illustrates a method for starting a digital teletext application according to some embodiments. The method includes S100-S1600.

And S100, when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application.

In this embodiment, a preset key is disposed on the control device. In some embodiments, the control device is provided with a plurality of keys, and different keys correspond to different key values. The display device recognizes the input instruction by the key value.

In some embodiments, the preset key is independent of other keys on the control device. The TXT key on the control device is a preset key. Fig. 6 schematically illustrates a structural diagram of a control device provided according to some embodiments. The control device in fig. 6 is provided with an up key, a down key, a left key, a right key, a confirm key, a return key, a home key, a menu key, an mute key, an up volume key, a down volume key, and a TXT key. The TXT key may be provided in the middle of the control device. In other embodiments the TXT key may be located elsewhere on the control device, and illustratively the TXT key may be located on an upper or lower portion of the control device.

In other embodiments, a key on the control device may be multiplexed, which may be a preset key when the display device initiates the HbbTV application. When the display device does not launch the HbbTV application, the key may be used to perform other operations. For example, the multiplexed key may be a menu key, and when the HbbTV application is started, the user presses the menu key to start the step of detecting whether the display device is playing a program. When the HbbTV application is not started, the user presses a menu key to control the display device to display a menu. For example, the menu may include a setting control, and after the user selects the setting control through the control device, the display device displays a list of setting items, where the setting items may include content such as display brightness and network settings of the display device.

In the embodiment of the application, the display device may play the program through a preset application. In some embodiments, the preset application is an HbbTV application.

By way of example, FIG. 7 illustrates a schematic diagram of a user interface provided in accordance with some embodiments. In fig. 7, a program picture of a program played through the HbbTV application is shown. In some embodiments, the user may call out the digital television program listings by the control device. FIG. 8 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments. In fig. 8, a digital television program list may be displayed that includes a plurality of selectable digital television program controls. Because of the size limitation of the user interface of the display device, only the digital television program controls corresponding to digital television programs 1-5 are displayed on the current display device. The user can move the focus to the digital television program control in the digital television program list through the control device, and press the confirmation key on the control device, and the display equipment jumps to the program picture of the digital television program corresponding to the corresponding digital television program control.

In some embodiments, the form of identification of the focal point is generally varied. For example, the position of the focus object may be achieved or identified by zooming in on the item, and also by setting the background color of the item, or may be identified by changing the border line, size, color, transparency, outline, and/or font of the text or image of the focus item.

In other embodiments, the channel number of the digital television program may also be displayed at a location in the digital television program list corresponding to the digital television program control. When the control device includes a number key, the user can input the channel number of the program desired to be viewed using the number key on the control device. Illustratively, the user may input 2001 with the control device, and the display device jumps to play the program corresponding to 2001.

In some embodiments, the display device includes a memory for storing audio data and video data of the program. The step of detecting whether the display device is playing the program comprises:

detecting whether audio data and/or video data corresponding to a program being played exists in the memory. If audio data and/or video data corresponding to the program being played is present, it is determined that the display device is playing the program. If there is no audio data and/or video data corresponding to the program being played, it is determined that the display device is not playing the program.

In the embodiment of the application, when the display device plays the program, the audio data and the video data corresponding to the program are cached in the memory.

In some embodiments, the audio data or the video data of the program being played is stored in the memory, and at the same time, the labels corresponding to the audio data and the video data are also stored. The audio data is stored in the memory when the tag of the audio data is stored. The video data is stored in the memory when the tag of the video data is stored. For example, the Audio data corresponding to the program played through the HbbTV application has a corresponding tag in memory of Media/Audio. Video data corresponding to a program played through the HbbTV application has a corresponding tag in memory of Media/Video. When at least one tag of Media/Audio and Media/Video is detected to be stored in the memory, it is determined that the display device is currently playing the program. When no Media/Audio tag and no Media/Video tag are detected in the memory, it is determined that the display device is not currently playing the program.

S200, if the display device is playing the program, detecting whether a digital image-text application (digital teletext app) and a standard image-text (standard teletext) exist, wherein the digital image-text application is started and then the display displays the digital image-text.

In the embodiment of the application, the display device can provide digital image-text application and standard image-text, and enriches the content which can be watched by the user. In this embodiment of the present application, the digital teletext application may display brief news, weather forecast, sports news, market information, traffic notification, movie tv programs, and the like, and may also be subtitles and foreign language translations related to tv programs, where it is noted that the tv programs refer to tv programs in a broadcast tv signal, and the broadcast tv signal is an exemplary DTV signal, and is not a program currently played by using a preset application. In the embodiment of the application, the standard graphics context only displays the corresponding content in a text form. In contrast to standard graphics, digital graphics applications can display the above in a variety of forms.

By way of example, fig. 9 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments, with the interface of the digital teletext application being displayed in fig. 9. The interface of the digital image-text application displays the picture of the television program currently played through the broadcast television signal and the weather condition. Illustratively, weather conditions include city, air temperature, dressing advice, and the like, and in other examples, weather conditions also include wind, humidity, and the like.

In some embodiments, the screen of the television program played through the broadcast television signal may be located at the lower right of the user interface of the display, where the setting of the area occupied by the screen of the television program played through the broadcast television signal is based on the content of the television program being viewable. In other embodiments, the picture of the television program played through the broadcast television signal may also be at other edges of the user interface of the display, and exemplary, the picture of the television program may be at the bottom left.

FIG. 10 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments. In fig. 10, a standard graphic is shown, which shows the weather situation only in text form.

In some embodiments, the step of the display device detecting whether a digital teletext application is present comprises:

an application information list (AIT, application Information Table) is acquired from a code stream of a broadcast television signal. Searching a value (usage_type) of a usage type from the application information list; if the value of the usage type is a specific value, it is determined that a digital teletext application exists.

In this embodiment of the present application, the digital image-text application is one application in the preset applications, and whether the preset applications and the digital image-text application exist can be confirmed through an application program information list.

In this embodiment of the present application, the application information list includes an application usage descriptor (application_use_descriptor). The application usage descriptor includes a usage type. Illustratively, the specific value is 1. When the value of the usage type is 1, then it is determined that a digital teletext application exists. If the value of the usage type is not equal to or the usage type does not exist in the application usage descriptor, it is determined that the digital teletext application does not exist.

In this embodiment of the present application, before the display device plays the program by using the preset application, the television program may be played by using a broadcast television signal. Illustratively, the display device plays the television program via a broadcast television signal, and then the user launches a preset application and selects the program for play. At this point the display device no longer displays the program pictures of the television program, but the broadcast television signal is always present.

In some embodiments, the step of the display device detecting whether the standard graphic exists comprises:

detecting whether a picture-text identifier corresponding to a standard picture-text exists in a code stream of a broadcast television signal; if the image-text identification exists, the existence of the standard image-text is determined. If the image-text identification does not exist, determining that the standard image-text does not exist. In the embodiment of the application, the labeling graphics context corresponds to the graphics context identifiers one by one. The graphic identifier can be formed by utilizing a combination of numbers and/or letters. Illustratively, the teletext identification may be abc.

And S300, if the digital image-text application and/or the standard image-text application exist, displaying first prompt information by the display, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected.

By way of example, FIG. 11 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments. In fig. 11, the prompt text is "currently playing a program, and after the continue control is selected, the program stops playing, and the graphics context is displayed". In some embodiments, the user may move the focus onto the continue control and press a confirm key on the control device, entering an instruction to select the continue control. In other embodiments, the user may also enter instructions in voice, and illustratively, the user may speak "continue" which the display device may recognize as an instruction to select the continue control.

In some embodiments, the first hint message further includes a cancel control; and when receiving an instruction of selecting the cancel control, continuing to play the program. Illustratively, referring again to FIG. 11, a cancel control is shown in FIG. 11. After the cancel control is selected, the first prompt message is not displayed any more.

In some embodiments, the user may utilize the control device to move focus onto the cancel control and press a confirm key on the control device to input an instruction to select the cancel control.

In other embodiments, the display of the first reminder message is automatically canceled if the display device does not receive an instruction to select the continue control for a long period of time. When the user does not input the instruction of selecting the continue control for a long time, it may indicate that the user wishes to continue watching the program. Therefore, the display of the first prompt message is directly canceled, and the use experience of the user can be improved.

In the embodiment of the application, if the digital image-text application and/or the standard image-text application exist, the user is prompted by the first prompt information to select the continuous control and then the image-text can be displayed, but the currently played program can be stopped. The user can select whether to select the continuation control according to the self requirement. If the user wishes to continue viewing the text, a continue control may be selected. If the user does not wish to interrupt the play of the program, a cancel control may be selected.

And S400, detecting whether the display equipment is connected with a network or not when receiving an instruction for selecting a continuation control.

In some embodiments, the digital teletext application requires networking to be displayed. If the display device is connected to the network, the digital teletext application can be started normally. If the display device is not connected to the network, the digital teletext application cannot be started normally.

It should be noted that if other conditions for limiting the normal start of the digital teletext application exist, the detection may also be performed before the start of the digital teletext application is executed.

S500, if the display equipment is connected with a network, the display equipment stops playing the program and starts the digital image-text application.

In the embodiment of the application, when the instruction of selecting the continuing control is received and the display device is connected with the network, the program is not continuously played any more, and the interface of the digital image-text application is displayed on the display device. The program that is not played back again here is a program played back by the HbbTV application. However, according to the interface setting of the digital teletext application, an interface of a television program to be played by using a broadcast television signal may be displayed on the interface of the digital teletext application, for example, as shown in fig. 9, and an interface of a television program is displayed on the interface of the digital teletext application in fig. 9.

And S600, if the display equipment is not connected with the network and standard graphics and texts exist, stopping playing the program by the display equipment and playing the standard graphics and texts.

In the embodiment of the application, when the instruction of selecting the continue control is received and the display device is not connected with the network, in order to improve the use experience of the user, when the standard image-text exists, the display device displays the standard image-text while stopping playing the program. In the embodiment of the application, when the digital image-text application cannot be displayed, standard image-text is displayed, so that image-text information can be provided for a user to the greatest extent possible, and the use experience of the user is improved.

In some embodiments, if the display device is not connected to the network and there is no standard graphic, a third prompt is displayed. The third prompting information is used for prompting a user to check the network state.

Thus, when the digital image-text application and the standard image-text cannot be displayed, the display device can display the third prompt information. The user can check the network state according to the third prompt information. Display devices are networked through commissioning. When the display device is playing the program in the preset application, the key value of the preset key is pressed again to start the digital image-text application.

By way of example, fig. 12 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments. In fig. 12, a third hint message is shown, which shows that the current network is not available, please check the network status. In some embodiments, the third prompting message further includes a determination control, and the third prompting message is displayed in a canceled mode after the user selects the determination control through the control device.

And S700, if the digital image-text application and the standard image-text do not exist, controlling the display to display second prompt information, wherein the second prompt information is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

In the embodiment of the application, if the digital image-text application and the standard image-text application do not exist, the program is not stopped. In order to improve the user experience, the display displays second prompt information, so that the user knows the current digital image-text application and the standard image-text condition.

By way of example, fig. 13 illustrates a schematic diagram of yet another user interface provided in accordance with some embodiments. The second prompt in fig. 13 is displayed as "no teletext information" to prompt the user that no digital teletext application and standard teletext is currently present. In some embodiments, the second prompt information is displayed on a floating layer above the interface of the currently playing program, occupies a part of the content of the interface of the playing program, and the user can watch the content of the program through the interface of the program which is not blocked by the second prompt information.

S800, if the display device does not play the program, detecting whether a digital image-text application exists.

An application information list is acquired from a code stream of a broadcast television signal. Searching a value of a use type from the application information list; if the value of the usage type is a specific value, it is determined that a digital teletext application exists.

In this embodiment of the present application, the digital image-text application is one application in the preset applications, and whether the preset applications and the digital image-text application exist can be confirmed through an application program information list.

In this embodiment of the present application, the application information list includes an application usage descriptor. The application usage descriptor includes a usage type.

S900, if the digital image-text application exists, whether the display device is connected with a network or not is detected.

In some embodiments, the digital teletext application requires networking to be displayed. If the display device is connected to the network, the digital teletext application can be started normally. If the display device is not connected to the network, the digital teletext application cannot be started normally.

And S1000, if the display equipment is connected with a network, starting the digital image-text application. In the embodiment of the application, when the display device is connected with the network, the display displays an interface of the digital image-text application. In the embodiment of the application, since the display device does not play the program currently, the situation that the program is interrupted to play because the digital image-text application is started or the standard image-text is displayed does not exist, so that in the embodiment of the application, when the display device is connected with a network, the digital image-text application is directly started, and the first prompt information does not need to be displayed.

S1100, if the display device is not connected with the network, detecting whether standard graphics and texts exist.

In some embodiments, the step of the display device detecting whether the standard graphic exists comprises: detecting whether a picture-text identifier corresponding to a standard picture-text exists in a code stream of a broadcast television signal; if the image-text identification exists, the existence of the standard image-text is determined. If the image-text identification does not exist, determining that the standard image-text does not exist.

In the embodiment of the application, in order to improve the use experience of the user, when the display device is not connected with the network, whether the standard image-text exists or not is judged, and if the standard image-text exists, the standard image-text can be displayed on the display device.

S1200, if the standard image-text exists, the display device plays the standard image-text.

And S1300, if the standard image-text does not exist, displaying third prompt information by the display device, wherein the third prompt information is used for prompting a user to check the network state.

Thus, when the digital image-text application and the standard image-text cannot be displayed, the display device can display the third prompt information. The user can check the network state according to the third prompt information. Display devices are networked through commissioning. When the display device is playing the program in the preset application, the key value of the preset key is pressed again to start the digital image-text application.

S1400, if the digital image-text application does not exist, the display device detects whether the standard image-text exists. In the embodiment of the application, if the digital image-text application does not exist, whether the standard image-text exists or not is detected. S1500, if the standard image-text exists, playing the standard image-text so as to improve the use experience of the user. And S1600, if the standard image-text does not exist, controlling the display to display second prompt information. And prompting the user that the digital image-text application and the standard image-text do not exist by using the second prompting information.

In some embodiments, the display device may also receive instructions to display standard graphics directly. The receiving of the instruction for displaying the standard graphics context can be accomplished by the user pressing the preset button on the control device twice in succession. The display device detects whether a program is being played or not when receiving an instruction to directly display a standard picture and text. If the program is being played, a first alert message is displayed, the first alert message including alert text and a continue control. And prompting the user through the first prompting message, and stopping playing of the current program by the display equipment if the user wants to watch the standard image-text, namely selecting the continue control. In some embodiments, when an instruction to select a continue control is received, it is detected whether a standard graphic exists. If the standard image and text exists, the display device stops playing the program and displays the standard image and text. If no standard image is present, it is detected whether a digital image application is present. If the digital image-text application exists, continuously detecting whether the display equipment is connected with the network, if the display equipment is connected with the network, stopping playing the program by the display equipment, and displaying an interface of the digital image-text application. If the display device is not connected with the network, the display device displays a fourth prompting message, and the fourth prompting message is used for prompting the user that the standard image-text cannot be played. If the digital image-text application does not exist, the display device displays a second prompt message, and the second prompt message is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

In the embodiment of the application, whether the current user's scene is watching the video or not and whether the current digital image-text application and the standard image-text application exist or not is accurately judged, and more information and choices are presented for the user by adding the first prompt information, so that the user can make more accurate choices according to the needs, and the user experience is improved.

The embodiment of the application also provides a display device, which comprises: a display for displaying a user interface; a user interface for receiving an input signal; a controller coupled to the display and the user interface, respectively, configured to: when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started; if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected; detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

In some embodiments, the controller is further configured to: and if the display equipment is not connected with the network, stopping playing the program and playing the standard image-text.

In some embodiments, the controller is further configured to: and if the digital image-text application and the standard image-text do not exist, controlling the display to display second prompt information, wherein the second prompt information is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

In some embodiments, the first hint message further includes a cancel control; the controller is further configured to: and when receiving an instruction of selecting the cancel control, continuing to play the program.

In some embodiments, the controller is further configured to: if the program is not played, detecting whether a digital image-text application exists; if the digital image-text application exists, detecting whether the display equipment is connected with a network or not; and if the display device is connected with the network, starting the digital image-text application.

In some embodiments, the controller is further configured to: if the display device is not connected with the network, detecting whether a standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display third prompt information, wherein the third prompt information is used for prompting a user to check the network state.

In some embodiments, the controller is further configured to: if the digital image-text application does not exist, detecting whether the standard image-text exists or not; if the standard image-text exists, playing the standard image-text; and if the standard image-text does not exist, controlling the display to display second prompt information.

In some embodiments, the display device includes a memory for storing audio data and video data of a program; the controller, executing the step of detecting whether the display device is playing a program, is further configured to: detecting whether audio data and/or video data corresponding to a program being played exist in the memory; if so, determining that the display device is playing the program; if not, it is determined that the display device is not playing the program.

In some embodiments, the controller performs the step of detecting whether a digital teletext application is present, and is further configured to: acquiring an application program information list from a code stream of a broadcast television signal; searching a value of a use type from the application information list; if the value of the usage type is a specific value, it is determined that a digital teletext application exists.

In the above embodiment, the method for starting the display device and the digital image-text application accurately judges whether the current user scene is watching the program and whether the digital image-text application and the standard image-text application exist currently, and presents more information and selection for the user by adding the first prompt information, so that the user can make more accurate selection according to the needs, and the user experience is improved. The method comprises the following steps: when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started; if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected; detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions 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 (10)

1. A display device, characterized by comprising:

a display for displaying a user interface;

A user interface for receiving an input signal;

a controller coupled to the display and the user interface, respectively, configured to:

when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started;

if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected;

detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.

2. The display device of claim 1, wherein the controller is further configured to: and if the display equipment is not connected with the network, stopping playing the program and playing the standard image-text.

3. The display device of claim 1, wherein the controller is further configured to:

And if the digital image-text application and the standard image-text do not exist, controlling the display to display second prompt information, wherein the second prompt information is used for prompting the user that the digital image-text application and the standard image-text do not exist currently.

4. The display device of claim 1, wherein the first hint message further comprises a cancel control; the controller is further configured to: and when receiving an instruction of selecting the cancel control, continuing to play the program.

5. The display device of claim 1, wherein the controller is further configured to:

if the program is not played, detecting whether a digital image-text application exists;

if the digital image-text application exists, detecting whether the display equipment is connected with a network or not;

and if the display device is connected with the network, starting the digital image-text application.

6. The display device of claim 5, wherein the controller is further configured to:

if the display device is not connected with the network, detecting whether a standard image-text exists or not;

if the standard image-text exists, playing the standard image-text;

and if the standard image-text does not exist, controlling the display to display third prompt information, wherein the third prompt information is used for prompting a user to check the network state.

7. The display device of claim 6, wherein the controller is further configured to:

if the digital image-text application does not exist, detecting whether the standard image-text exists or not;

if the standard image-text exists, playing the standard image-text;

and if the standard image-text does not exist, controlling the display to display second prompt information.

8. The display device according to claim 1, wherein the display device includes a memory for storing audio data and video data of a program;

the controller, executing the step of detecting whether the display device is playing a program, is further configured to:

detecting whether audio data and/or video data corresponding to a program being played exist in the memory;

if so, determining that the display device is playing the program;

if not, it is determined that the display device is not playing the program.

9. The display device of claim 1 or 5, wherein the controller, executing the step of detecting whether a digital teletext application is present, is further configured to:

acquiring an application program information list from a code stream of a broadcast television signal;

searching a value of a use type from the application information list;

If the value of the usage type is a specific value, it is determined that a digital teletext application exists.

10. A method for starting a digital graphics application, comprising:

when a key value of a preset key is received, detecting whether the display equipment is playing a program, wherein the source of the program is a preset application; if the program is being played, detecting whether a digital image-text application and a standard image-text exist, wherein a display displays the digital image-text after the digital image-text application is started;

if the digital image-text application and/or the standard image-text application exist, controlling a display to display first prompt information, wherein the first prompt information comprises prompt texts and a continuous control, and the prompt texts are used for prompting a user to stop playing the program after the continuous control is selected;

detecting whether the display equipment is connected with a network or not when an instruction for selecting a continuation control is received; and if the display equipment is connected with a network, stopping playing the program and starting the digital image-text application.