CN111405329A

Movatterモバイル変換

Info

Publication number: CN111405329A
Application number: CN202010152894.1A
Authority: CN
Inventors: 王真; 周立辉; 赵同庆
Original assignee: Qingdao Hisense Media Network Technology Co Ltd
Current assignee: Vidaa Netherlands International Holdings BV
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-07-10
Anticipated expiration: 2040-03-06
Also published as: CN111405329B

Abstract

The embodiment of the invention relates to the technical field of display, in particular to display equipment. The display device includes: a display; tuning the demodulator; a user interface; a controller for performing: when the HBBTV application is switched to the EPG in response to the user input, keeping the HBBTV application running, and displaying the EPG user interface, wherein a program preview area of the EPG user interface displays programs provided by the HBBTV application, so that the black screen of the program preview area of the EPG user interface is avoided.

Description

Display device and control method for EPG user interface display

Technical Field

The invention relates to the technical field of display, in particular to a display device and a control method for EPG user interface display.

Background

A Hybrid Broadcast bandwidth TV (abbreviated as HBBTV) is a content distribution platform compatible with Digital Video Broadcasting (abbreviated as DVB) and can provide signaling, transmission and presentation mechanisms for enhanced and interactive TV services.

With the continuous improvement of the HBBTV standard, HBBTV-based applications are increasing. The HBBTV application is designed for both broadcast network and internet and can run on a display device with both broadcast network and internet connectivity. The user can watch traditional television programs and also can watch network videos through the display device provided with the HBBTV application.

An Electronic Program Guide (EPG) may provide users with indexes and navigation of various services. The EPG user interface comprises various menus, buttons and links for users to click on, and also can comprise various dynamic or static multimedia contents for users to browse.

When the user wants to view the program GUIDE, the display device may be caused to pop up the EPG user interface in response to a designated key on the control device, such as an EPG/GUIDE key, being pressed. However, in the running process of the HBBTV application, when the EPG user interface is displayed, a program preview window on the user interface may be blank, which brings a bad use experience to the user.

Disclosure of Invention

The invention provides a display device and a control method for EPG user interface display, which are used for avoiding the black screen of a program preview window on an EPG user interface.

To achieve the above object, the present invention provides a display device comprising:

a display;

a tuning demodulator for tuning and demodulating a program in the digital broadcasting signal;

a user interface for receiving user input;

a controller for performing:

switching a first program to a second program provided by the HBBTV application in response to a user input to switch the program while displaying the first program in the digital broadcast signal on the display;

responding to user input for indicating to display the EPG, when the second program is determined to be a network video and the channel corresponding to the second program is a network channel, keeping running the HBBTV application, and displaying an EPG user interface;

the EPG user interface comprises a program menu area and a program preview area, wherein the program menu area is arranged according to the playing time sequence of channels and broadcast programs, and the second program is displayed in the program preview area.

The present invention also provides a display device including:

a display;

a user interface for receiving user input;

a controller for performing:

the EPG user interface comprises a program menu area and a program preview area, wherein the program menu area is arranged according to the playing time sequence of channels and broadcast programs, and the second program is displayed in the program preview area;

in response to a user input indicating to close the EPG, closing the EPG user interface and displaying a second program provided by the HBBTV application.

The invention also provides a control method for EPG user interface display, which comprises the following steps:

In the above embodiment, the display device keeps the HBBTV application running when switching from the HBBTV application to the EPG in response to the user input, and displays the EPG user interface, wherein the program preview area of the EPG user interface displays the programs provided by the HBBTV application, thereby avoiding the program preview area of the EPG user interface from being blacked out.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1A is a schematic diagram illustrating an operation scenario between a display device and a control apparatus;

fig. 1B is a block diagram schematically illustrating a configuration of thecontrol apparatus 100 in fig. 1A;

fig. 1C is a block diagram schematically illustrating a configuration of thedisplay device 200 in fig. 1A;

FIG. 1D is a block diagram illustrating an architectural configuration of an operating system in memory ofdisplay device 200;

fig. 2A schematically shows a broadcast program screen provided by thedisplay apparatus 200;

an EPG user interface provided bydisplay device 200 is illustrated in FIG. 2B;

fig. 2C is a schematic diagram illustrating an HBBTV application self-launching configuration interface provided by thedisplay device 200;

fig. 3A to 3D are diagrams exemplarily showing that thedisplay device 200 provides a GUI by operating thecontrol apparatus 100;

an implementation flow of the HBBTV application and EPG switching is exemplarily shown in fig. 4;

the implementation flow of the HBBTV application and EPG switching is exemplarily shown in fig. 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1A is a schematic diagram illustrating an operation scenario between a display device and a control apparatus. As shown in fig. 1A, thecontrol apparatus 100 and thedisplay device 200 may communicate with each other in a wired or wireless manner.

Among them, thecontrol apparatus 100 is configured to control thedisplay device 200, which may receive an operation instruction input by a user and convert the operation instruction into an instruction recognizable and responsive by thedisplay device 200, serving as an intermediary for interaction between the user and thedisplay device 200. Such as: the user operates the channel up/down key on thecontrol device 100, and thedisplay device 200 responds to the channel up/down operation.

Thecontrol device 100 may be aremote controller 100A, which includes infrared protocol communication or bluetooth protocol communication, and other short-distance communication methods, etc. to control thedisplay apparatus 200 in a wireless or other wired manner. The user may input a user instruction through a key on a remote controller, voice input, control panel input, etc., to control thedisplay apparatus 200. Such as: the user can input a corresponding control command through a volume up/down key, a channel control key, up/down/left/right moving keys, a voice input key, a menu key, a power on/off key, etc. on the remote controller, to implement the function of controlling thedisplay device 200.

Thecontrol device 100 may also be an intelligent device, such as amobile terminal 100B, a tablet computer, a notebook computer, and the like. For example, thedisplay device 200 is controlled using an application program running on the smart device. The application program may provide various controls to a user through an intuitive User Interface (UI) on a screen associated with the smart device through configuration.

For example, themobile terminal 100B may install a software application with thedisplay device 200 to implement connection communication through a network communication protocol for the purpose of one-to-one control operation and data communication. Such as: themobile terminal 100B may be caused to establish a control instruction protocol with thedisplay device 200 to implement the functions of the physical keys as arranged in theremote control 100A by operating various function keys or virtual buttons of the user interface provided on themobile terminal 100B. The audio and video content displayed on themobile terminal 100B may also be transmitted to thedisplay device 200, so as to implement a synchronous display function.

Thedisplay apparatus 200 may provide a network television function of a broadcast receiving function and a computer support function. The display device may be implemented as a digital television, a web television, an Internet Protocol Television (IPTV), or the like.

Thedisplay device 200 may be a liquid crystal display, an organic light emitting display, a projection device. The specific display device type, size, resolution, etc. are not limited.

Thedisplay device 200 may also be in data communication with theserver 300 via a variety of communication means, such as a local area network (L AN), a wireless local area network (W L AN), and other networks, where theserver 300 may provide various content and interactions to thedisplay device 200, thedisplay device 200 may send and receive information, such as receiving Electronic Program Guide (EPG) data, receiving software program updates, or accessing a remotely stored digital media library, for example, theserver 300 may be a group or groups of servers, one or more types of servers, and other network service content such as video-on-demand and advertising services provided via theserver 300.

Fig. 1B is a block diagram illustrating the configuration of thecontrol device 100. As shown in fig. 1B, thecontrol device 100 includes acontroller 110, amemory 120, acommunicator 130, auser input interface 140, anoutput interface 150, and apower supply 160.

Thecontroller 110 includes a Random Access Memory (RAM)111, a Read Only Memory (ROM)112, aprocessor 113, a communication interface, and a communication bus. Thecontroller 110 is used to control the operation of thecontrol device 100, as well as the internal components of the communication cooperation, external and internal data processing functions.

Illustratively, when an interaction of a user pressing a key disposed on theremote controller 100A or an interaction of touching a touch panel disposed on theremote controller 100A is detected, thecontroller 110 may control to generate a signal corresponding to the detected interaction and transmit the signal to thedisplay device 200.

And amemory 120 for storing various operation programs, data and applications for driving and controlling thecontrol apparatus 100 under the control of thecontroller 110. Thememory 120 may store various control signal commands input by a user.

Thecommunicator 130 enables communication of control signals and data signals with thedisplay apparatus 200 under the control of thecontroller 110. Such as: thecontrol apparatus 100 transmits a control signal (e.g., a touch signal or a button signal) to thedisplay device 200 via thecommunicator 130, and thecontrol apparatus 100 may receive the signal transmitted by thedisplay device 200 via thecommunicator 130. Thecommunicator 130 may include an infrared signal interface 131 and a radiofrequency signal interface 132. For example: when the infrared signal interface is used, the user input instruction needs to be converted into an infrared control signal according to an infrared control protocol, and the infrared control signal is sent to thedisplay device 200 through the infrared sending module. The following steps are repeated: when the rf signal interface is used, a user input command needs to be converted into a digital signal, and then the digital signal is modulated according to the rf control signal modulation protocol and then transmitted to thedisplay device 200 through the rf transmitting terminal.

Theuser input interface 140 may include at least one of amicrophone 141, atouch pad 142, asensor 143, a key 144, and the like, so that a user can input a user instruction regarding controlling thedisplay apparatus 200 to thecontrol apparatus 100 through voice, touch, gesture, press, and the like.

Here, theoutput interface 150 may includeL ED interface 151,vibration interface 152 generating vibration,sound output interface 153 outputting sound,display 154 outputting images, and the like, for example, theremote controller 100A may receive an output signal such as audio, video, or data from theoutput interface 150, and display the output signal as an image on thedisplay 154, as an audio on thesound output interface 153, or as a vibration on thevibration interface 152.

And apower supply 160 for providing operation power support for each element of thecontrol device 100 under the control of thecontroller 110. In the form of a battery and associated control circuitry.

A hardware configuration block diagram of thedisplay device 200 is exemplarily illustrated in fig. 1C. As shown in fig. 1C, thedisplay apparatus 200 may include atuner demodulator 210, acommunicator 220, adetector 230, anexternal device interface 240, acontroller 250, amemory 260, auser interface 265, avideo processor 270, adisplay 275, anaudio processor 280, anaudio output interface 285, and apower supply 290.

Thetuner demodulator 210 receives the broadcast television signal in a wired or wireless manner, may perform modulation and demodulation processing such as amplification, mixing, and resonance, and is configured to demodulate, from a plurality of wireless or wired broadcast television signals, an audio/video signal carried in a frequency of a television channel selected by a user, and additional information (e.g., EPG data).

Thetuner demodulator 210 is responsive to the user selected frequency of the television channel and the television signal carried by the frequency, as selected by the user and controlled by thecontroller 250.

Thetuner demodulator 210 can receive a television signal in various ways according to the broadcasting system of the television signal, such as: terrestrial broadcasting, cable broadcasting, satellite broadcasting, internet broadcasting, or the like; and according to different modulation types, a digital modulation mode or an analog modulation mode can be adopted; and can demodulate the analog signal and the digital signal according to the different kinds of the received television signals.

In other exemplary embodiments, thetuning demodulator 210 may also be in an external device, such as an external set-top box. In this way, the set-top box outputs a television signal after modulation and demodulation, and inputs the television signal into thedisplay apparatus 200 through theexternal device interface 240.

Thecommunicator 220 is a component for communicating with an external device or an external server according to various communication protocol types. For example, thedisplay apparatus 200 may transmit content data to an external apparatus connected via thecommunicator 220, or browse and download content data from an external apparatus connected via thecommunicator 220. Thecommunicator 220 may include a network communication protocol module or a near field communication protocol module, such as aWIFI module 221, a bluetoothcommunication protocol module 222, and a wired ethernet communication protocol module 223, so that thecommunicator 220 may receive a control signal of thecontrol device 100 according to the control of thecontroller 250 and implement the control signal as a WIFI signal, a bluetooth signal, a radio frequency signal, and the like.

Thedetector 230 is a component of thedisplay apparatus 200 for collecting signals of an external environment or interaction with the outside. Thedetector 230 may include a sound collector 231, such as a microphone, which may be used to receive a user's sound, such as a voice signal of a control instruction of the user to control thedisplay device 200; alternatively, ambient sounds may be collected that identify the type of ambient scene, enabling thedisplay device 200 to adapt to ambient noise.

In some other exemplary embodiments, thedetector 230, which may further include animage collector 232, such as a camera, a video camera, etc., may be configured to collect external environment scenes to adaptively change the display parameters of thedisplay device 200; and the function of acquiring the attribute of the user or interacting gestures with the user so as to realize the interaction between the display equipment and the user.

In some other exemplary embodiments, thedetector 230 may further include a light receiver for collecting the intensity of the ambient light to adapt to the display parameter variation of thedisplay device 200.

In some other exemplary embodiments, thedetector 230 may further include a temperature sensor, such as by sensing an ambient temperature, and thedisplay device 200 may adaptively adjust a display color temperature of the image. For example, when the temperature is higher, thedisplay apparatus 200 may be adjusted to display a color temperature of an image that is cooler; when the temperature is lower, thedisplay device 200 may be adjusted to display a warmer color temperature of the image.

Theexternal device interface 240 is a component for providing thecontroller 250 to control data transmission between thedisplay apparatus 200 and an external apparatus. Theexternal device interface 240 may be connected to an external apparatus such as a set-top box, a game device, a notebook computer, etc. in a wired/wireless manner, and may receive data such as a video signal (e.g., moving image), an audio signal (e.g., music), additional information (e.g., EPG), etc. of the external apparatus.

Theexternal device interface 240 may include: a High Definition Multimedia Interface (HDMI) terminal 241, a Composite Video Blanking Sync (CVBS) terminal 242, an analog ordigital Component terminal 243, a Universal Serial Bus (USB) terminal 244, a Component terminal (not shown), a red, green, blue (RGB) terminal (not shown), and the like.

Thecontroller 250 controls the operation of thedisplay device 200 and responds to the operation of the user by running various software control programs (such as an operating system and various application programs) stored on thememory 260.

As shown in fig. 1C, thecontroller 250 includes a Random Access Memory (RAM)251, a Read Only Memory (ROM)252, agraphics processor 253, aCPU processor 254, acommunication interface 255, and acommunication bus 256. The RAM251, the ROM252, thegraphic processor 253, and theCPU processor 254 are connected to each other through acommunication bus 256 through acommunication interface 255.

The ROM252 stores various system boot instructions. When thedisplay apparatus 200 starts power-on upon receiving the power-on signal, theCPU processor 254 executes a system boot instruction in the ROM252, copies the operating system stored in thememory 260 to the RAM251, and starts running the boot operating system. After the start of the operating system is completed, theCPU processor 254 copies the various application programs in thememory 260 to the RAM251 and then starts running and starting the various application programs.

And agraphic processor 253 for generating various graphic objects such as icons, operation menus, and user input instruction display graphics, etc. Thegraphic processor 253 may include an operator for performing an operation by receiving various interactive instructions input by a user, and further displaying various objects according to display attributes; and a renderer for generating various objects based on the operator and displaying the rendered result on thedisplay 275.

ACPU processor 254 for executing operating system and application program instructions stored inmemory 260. And according to the received user input instruction, processing of various application programs, data and contents is executed so as to finally display and play various audio-video contents.

In some example embodiments, theCPU processor 254 may comprise a plurality of processors. The plurality of processors may include one main processor and a plurality of or one sub-processor. A main processor for performing some initialization operations of thedisplay apparatus 200 in the display apparatus preload mode and/or operations of displaying a screen in the normal mode. A plurality of or one sub-processor for performing an operation in a state of a standby mode or the like of the display apparatus.

Thecommunication interface 255 may include a first interface to an nth interface. These interfaces may be network interfaces that are connected to external devices via a network.

Thecontroller 250 may control the overall operation of thedisplay apparatus 200. For example: in response to receiving a User input command for selecting a Graphical User Interface (GUI) object displayed on thedisplay 275, thecontroller 250 may perform an operation related to the object selected by the User input command.

The GUI is a user interface related to computer operation, which is displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the display 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.

Where the object may be any one of the selectable objects, such as a hyperlink or an icon. The operation related to the selected object is, for example, an operation of displaying a link to a hyperlink page, document, image, or the like, or an operation of executing a program corresponding to the object. The user input command for selecting the GUI object may be a command input through various input means (e.g., a mouse, a keyboard, a touch panel, etc.) connected to thedisplay apparatus 200 or a voice command corresponding to a voice spoken by the user.

Amemory 260 for storing various types of data, software programs, or applications for driving and controlling the operation of thedisplay device 200. Thememory 260 may include volatile and/or nonvolatile memory. And the term "memory" includes thememory 260, the RAM251 and the ROM252 of thecontroller 250, or a memory card in thedisplay device 200.

In some embodiments, thememory 260 is specifically used for storing an operating program for driving thecontroller 250 of thedisplay device 200; storing various application programs built in thedisplay apparatus 200 and downloaded by a user from an external apparatus; data such as a visual effect image for configuring a GUI provided by thedisplay 275, various objects related to the GUI, and a selector for selecting the GUI object is stored.

In some embodiments,memory 260 is specifically configured to store drivers fortuner demodulator 210,communicator 220,detector 230,external device interface 240,video processor 270,display 275,audio processor 280, etc., and related data, such as external data (e.g., audio-visual data) received from the external device interface or user data (e.g., key information, voice information, touch information, etc.) received by the user interface.

In some embodiments,memory 260 specifically stores software and/or programs representing an Operating System (OS), which may include, for example: a kernel, middleware, an Application Programming Interface (API), and/or an application program. Illustratively, the kernel may control or manage system resources, as well as functions implemented by other programs (e.g., the middleware, APIs, or applications); at the same time, the kernel may provide an interface to allow middleware, APIs, or applications to access the controller to enable control or management of system resources.

A block diagram of the architectural configuration of the operating system in the memory of thedisplay device 200 is illustrated in fig. 1D. The operating system architecture comprises an application layer, a middleware layer and a kernel layer from top to bottom.

The application layer may include a plurality of applications, such as a setup application, a post application, a media center application, etc. these applications may be implemented as Web applications that are executed based on a WebKit engine, and in particular may be developed and executed based on HTM L5, Cascading Style Sheets (CSS), and JavaScript.

Here, the HTM L, which is called HyperText Markup language (HyperText Markup L anguage) is a standard Markup language for creating web pages, and describes the web pages by Markup tags, the HTM L tags are used to describe characters, graphics, animation, sound, tables, links, etc., and the browser reads the HTM L document, interprets the contents of the tags in the document, and displays them in the form of web pages.

CSS, known as Cascading Style Sheets (Cascading Style Sheets), is a computer language used to represent the Style of HTM L files, and can be used to define the Style structure, such as the language of font, color, location, etc.

JavaScript, which is a language applied to Web page programming, can be inserted into the HTM L page and interpreted and executed by a browser, wherein the interaction logic of the Web application is realized by the JavaScript, the JavaScript can be used for encapsulating a JavaScript extension interface by the browser to realize the communication with a kernel layer,

for example, the middleware layer may be implemented as multimedia and hypermedia information coding experts group (MHEG) middleware associated with data broadcasting, D L NA middleware that is middleware associated with communication with external devices, middleware that provides a browser environment in which applications run within the display device, and the like.

The kernel layer can be implemented as a kernel based on various operating systems, for example, a kernel based on L inux operating system.

The kernel layer also provides communication between system software and hardware, and provides device driver services for various hardware, such as: provide display driver for the display, provide camera driver for the camera, provide button driver for the remote controller, provide wiFi driver for the WIFI module, provide audio driver for audio output interface, provide power management drive for Power Management (PM) module etc..

Auser interface 265 receives various user interactions. Specifically, it is used to transmit an input signal of a user to thecontroller 250 or transmit an output signal from thecontroller 250 to the user. For example, theremote controller 100A may transmit an input signal, such as a power switch signal, a channel selection signal, a volume adjustment signal, etc., input by the user to theuser interface 265, and then the input signal is transferred to thecontroller 250 through theuser interface 265; alternatively, theremote controller 100A may receive an output signal such as audio, video, or data output from theuser interface 265 via thecontroller 250, and display the received output signal or output the received output signal in audio or vibration form.

In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on thedisplay 275, and theuser interface 265 receives the user input commands through the GUI. Specifically, theuser interface 265 may receive user input commands for controlling the position of a selector in the GUI to select different objects or items.

Alternatively, the user may input a user command by inputting a specific sound or gesture, and theuser interface 265 receives the user input command by recognizing the sound or gesture through the sensor.

Thevideo processor 270 is configured to receive an external video signal, and perform video data processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a video signal that is directly displayed or played on thedisplay 275.

Illustratively, thevideo processor 270 includes a demultiplexing module, a video decoding module, an image synthesizing module, a frame rate conversion module, a display formatting module, and the like.

The demultiplexing module is configured to demultiplex an input audio/video data stream, where, for example, an input MPEG-2 stream (based on a compression standard of a digital storage media moving image and voice), the demultiplexing module demultiplexes the input audio/video data stream into a video signal and an audio signal.

And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like.

And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display.

The frame rate conversion module is configured to convert a frame rate of an input video, for example, convert a frame rate of an input 60Hz video into a frame rate of 120Hz or 240Hz, where a common format is implemented by using, for example, an interpolation frame method.

And a display formatting module for converting the signal output by the frame rate conversion module into a signal conforming to a display format of a display, such as converting the format of the signal output by the frame rate conversion module to output an RGB data signal.

Adisplay 275 for receiving the image signal from thevideo processor 270 and displaying the video content, the image and the menu manipulation interface. The display video content may be from the video content in the broadcast signal received by the tuner-demodulator 210, or from the video content input by thecommunicator 220 or theexternal device interface 240. Thedisplay 275, while displaying a user manipulation interface UI generated in thedisplay apparatus 200 and used to control thedisplay apparatus 200.

And, thedisplay 275 may include a display screen assembly for presenting a picture and a driving assembly for driving the display of an image. Alternatively, a projection device and projection screen may be included, provideddisplay 275 is a projection display.

Theaudio processor 280 is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform audio data processing such as noise reduction, digital-to-analog conversion, and amplification processing to obtain an audio signal that can be played by thespeaker 286.

Illustratively,audio processor 280 may support various audio formats. Such as MPEG-2, MPEG-4, Advanced Audio Coding (AAC), high efficiency AAC (HE-AAC), and the like.

Theaudio output interface 285 is used for receiving an audio signal output by theaudio processor 280 under the control of thecontroller 250, and theaudio output interface 285 may include aspeaker 286 or an externalsound output terminal 287, such as an earphone output terminal, for outputting to a generating device of an external device.

In other exemplary embodiments,video processor 270 may comprise one or more chips.Audio processor 280 may also comprise one or more chips.

And, in other exemplary embodiments, thevideo processor 270 and theaudio processor 280 may be separate chips or may be integrated with thecontroller 250 in one or more chips.

And apower supply 290 for supplying power supply support to thedisplay apparatus 200 from the power input from the external power source under the control of thecontroller 250. Thepower supply 290 may be a built-in power supply circuit installed inside thedisplay apparatus 200 or may be a power supply installed outside thedisplay apparatus 200.

Further, it should be noted that the items in the embodiments of the present invention refer to visual objects displayed in the GUI provided by the display device to represent corresponding contents such as icons, thumbnails, links, and the like. The presentation forms of items are often diverse. For example, the items may include text content and/or images for displaying thumbnails related to the text content. As another example, the item may be text and/or an icon of an application.

It should also be noted that the display form of the selector may be the focus object. The item may be selected or controlled by controlling the movement of the focus object displayed in the display apparatus according to an input of a user through the control means. Such as: the user may select and control items by controlling the movement of the focus object between items through a directional key on the control device. The identification form of the focus object is not limited. The location of the focal object may be achieved or identified by setting the background color of the item, or may be identified by changing the outline, size, transparency, and outline of the text or image of the focused item, and/or the font, etc.

On the basis of the above-mentioned fig. 1A to 1D, it should be noted that: thedisplay device 200 typically displays an EPG thereon, so that a user can view programs (e.g., program content introduction, introduction of actors and directors, etc.) of various channels or reserve a recording of future programs, etc. by using a program menu provided by the EPG. The EPG user interface horizontally arranges and displays broadcasting programs in a matrix form, which generally displays channels and times in a two-dimensional mode, and displays the broadcasting programs constituting the EPG in a size proportional to the broadcasting time length of the broadcasting programs.

The EPG display process comprises the following steps: referring to fig. 1C, thetuner demodulator 210 of the display apparatus receives a broadcast signal, and a decoder (not shown in the drawing) extracts EPG information from the received broadcast signal and outputs the extracted EPG information to an internal bus; thereby causing thecontroller 250 to store the EPG information output to the internal bus in thememory 260 in preparation for displaying the EPG user interface.

Here, the broadcast signal is also called a Transport Stream (TS) signal, and a data portion other than an audio/video portion in the TS signal is reconstructed to construct a program information table. The program information table includes information of broadcast programs such as a Program Association Table (PAT), a Program Map Table (PMT), a Network Information Table (NIT), and an Event Information Table (EIT). The EIT stores therein the above-mentioned extracted EPG information, which may include a start play time and an end play time of a broadcast program, and a plurality of descriptor fields, such as a short event descriptor field identifying a program name of the broadcast program, an extended event descriptor field identifying a lead actor, a drama, a vignette, etc. of the broadcast program, a component descriptor field identifying a program type of the broadcast program, a short event descriptor and an extended event descriptor identifying which language the broadcast program is displayed in, etc.

When a broadcast program screen as shown in fig. 2A is currently displayed on thedisplay 275 of the display apparatus, an EPG display request signal transmitted by the user through theuser interface 265 is input to thecontroller 250, for example: pressing an EPG or GUIDE key On a remote controller, that is, in response to an EPG display request issued by a user, thecontroller 250 controls the EPG information to be read from thememory 260 so that an EPG generator (not shown in the figure) can construct an EPG based On the read EPG information and an EPG image generated by an On Screen Display (OSD) generator using pre-stored image data (e.g., EPG interface identification: vertical line, color), and then the EPG user interface shown in fig. 2B is displayed On thedisplay 275 through thevideo processor 270.

Fig. 2B is a schematic diagram of an EPG user interface. As shown in fig. 2B, the vertical direction is the channel axis direction, and different channels are displayed in a multi-line form; the horizontal direction is a time axis direction, the respective broadcast programs are arranged in the order of broadcast time within each line, and the size of the display area of the respective broadcast programs indicates the length of the broadcast time thereof, the start position of the display area indicates the start broadcast time thereof, the end position of the display area indicates the end broadcast time thereof, and the program names thereof are displayed within the display area.

Five channels (DC a-DC e) are shown in the EPG user interface in fig. 2B, and the broadcast programs of each channel are displayed in a line in the program play time order. For example: fig. 2B shows a menu of broadcast programs between 3:00 and 5:00, broadcast programs a0-a3 for the DC a channel, broadcast programs B0-B4 for the DC B channel, broadcast programs c0-c2 for the DC c channel, broadcast programs d1-d3 for the DC d channel, and broadcast programs e1-e3 for the DC e channel.

As shown in fig. 2B, the EPG user interface may include aprogram preview area 31, achannel list area 32, aprogram detail area 33, and a broadcastprogram display area 34.

When the selector falls on a broadcast program at a position within the broadcast program display area, for example, as shown in fig. 2B, when the selector falls on broadcast program a1, the service content provided by broadcast program a1 is displayed within the program preview area (for example, the program screen shown in fig. 2A is reduced and displayed within the program preview area), the channel identification DC a of the channel to which broadcast program a1 belongs, the play time 3:21-3:45 of broadcast program a1, the program type of broadcast program a1 is a movie, and the content profile of broadcast program a1 are displayed within the program detail area.

In addition, it should be noted that thedisplay device 200 may further display a HBBTV application self-starting configuration interface thereon, so that a user may configure whether the HBBTV application is automatically started when thedisplay device 200 is powered on through the configuration interface.

Thedisplay apparatus 200 may display an HBBTV application self-starting configuration interface as shown in fig. 2C on thedisplay 275 in response to an HBBTV application configuration request input by a user through thecontrol device 100. As shown in fig. 2C, the configuration interface includes aconfiguration switch 41. Thedisplay device 200 may configure theconfiguration switch 41 to be on or off in response to user input. For example, the user may cause thedisplay device 200 to configure theconfiguration switch 41 on or off in response to user input by pressing left and right direction keys of thecontrol apparatus 100.

Specifically, when theconfiguration switch 41 is configured to be on, the HBBTV application is automatically started when thedisplay apparatus 200 is turned on. When theconfiguration switch 41 is configured to be off, the HBBTV application is not automatically started when thedisplay apparatus 200 is powered on, but is started when the user actively starts.

Fig. 3A to 3D are schematic views exemplarily showing a GUI provided by thedisplay device 200 by operating thecontrol apparatus 100.

As an embodiment, as shown in fig. 3A, the display device may provide a playingpicture 51 of a program in the digital broadcast signal to the display, and the playing picture may be at least one of an image, a text, and a video content. For example, the playback screen shown in fig. 3A is a picture screen.

When the user wants to watch another program, a program switching instruction may be input by operating the control device, and the display apparatus may switch to the other program in response to the user input.

As shown in fig. 3A, the user causes the display device to provide aplay screen 52, as shown in fig. 3B, to the display in response to the key input by pressing a designated key, such as a channel control key, on the control device. In this embodiment, theplaying screen 52 is a playing screen of a program provided by the HBBTV application.

Here, it should be noted that, the user may operate the control device to enable the display device to respond to the user input, and the HBBTV application is configured in advance to be automatically started when the display device is powered on, so that the user may view the program provided by the HBBTV application by operating the control device (for example, pressing the channel control key) after the display device is powered on.

The HBBTV application self-starting configuration process comprises the following steps: the user causes the display device to provide a HBBTV application bootstrapping configuration interface to the display as shown in fig. 2C by pressing a designated key on the control means, such as a configuration key. As shown in fig. 2C, the configuration interface includes aconfiguration switch 41. In fig. 2C, the user may cause the display device to configure theconfiguration switch 41 on or off in response to user input by pressing a designated key on the control device, such as a left or right directional key. For example, the user may open theconfiguration switch 41, i.e., configure the display device to launch the HBBTV application at power-on, by pressing the arrow key to the right.

In fig. 3B, when the user wants to view the EPG, an instruction to display the EPG may be input through the operation control device, thereby displaying an EPG user interface. However, the inventors found that: at this time, since the display device cannot reduce the size of the HBBTV application according to the size of the program preview area, the program provided by the HBBTV application below the HBBTV application can be viewed through the EPG user interface, so that the interfaces of the HBBTV application and the EPG user interface overlap.

Accordingly, the display device may temporarily close the HBBTV application in response to a user input to display an EPG, displaying an EPG user interface including a program preview area for playing programs in the broadcast signal shown in fig. 3A.

For example, as shown in fig. 3B, the user causes the display device to close the HBBTV application (exit theplay screen 52 shown in fig. 3B) in response to a specified key on the control device, such as the EPG/GUIDE key, and provide an EPG user interface as shown in fig. 3C to the display. Theprogram preview area 31 of the EPG user interface displays theplay screen 51 shown in fig. 3A.

Here, it should be noted that theplay screen 51 displayed in theprogram preview area 31 is displayed by the display device in response to a key input for displaying the EPG user interface, and theplay screen 51 shown in fig. 3A is reduced to theprogram preview area 31 in accordance with the size of theprogram preview area 31 in the EPG user interface.

Further, on the basis of the EPG user interface shown in fig. 3C, the user may input an instruction to close the EPG by operating the control device, so that the display device closes the EPG user interface in response to the user input, and at the same time, controls the HBBTV application to start again, and displays the program provided by the HBBTV application.

For example, as shown in fig. 3C, the user causes the display device to respond to the key input by pressing a designated key on the control device, such as an EPG/GUIDE/BACK key, to close the EPG user interface shown in fig. 3C, and to control the HBBTV application, which has been configured to be self-launched, to launch, and to provide a play screen of the program provided by the HBBTV application to the display, as shown in fig. 3B. That is, the program of the HBBTV application viewed by the user before viewing the EPG is restored.

It can be seen that, in this embodiment, by closing the HBBTV application when the EPG is started, the EPG user interface is not overlapped with the HBBTV application, and by displaying the program of the digital broadcast signal in the program preview area of the EPG user interface, the EPG user interface is prevented from being overlapped with the HBBTV application interface.

Fig. 4 illustrates, as an embodiment, an implementation flow of the HBBTV application and EPG switching. The process includes the following steps S61-S63:

step S61: the program is switched from the digital broadcast signal program to the program provided by the HBBTV application in response to a user input.

For example, in fig. 3A, the display displays abroadcast screen 51 of a digital broadcast signal program. The display apparatus switches from theplay screen 51 of the digital broadcast signal program shown in fig. 3A to theplay screen 52 of the program provided by the HBBTV application in response to a program switching instruction input by the user, as shown in fig. 3B.

Step S62: the HBBTV application is controlled to close in response to a user input and an EPG user interface is displayed.

For example, in fig. 3B, the display device controls the HBBTV application to close in response to an instruction to display the EPG input by the user, and theplay screen 52 of the program provided by the HBBTV application is no longer displayed on the display. At the same time, the display device displays an EPG user interface on the display responsive to the user input, the EPG user interface including aprogram preview area 31, as shown in FIG. 3C. The display device reduces the size of the digital broadcast signal program that has been played before in accordance with the size of theprogram preview area 31 and displays the same in theprogram preview area 31.

Step S63: and closing the EPG user interface in response to the user input, and controlling the HBBTV application to start.

For example, in fig. 3C, in response to an instruction to close the EPG input by the user, the display device closes the EPG user interface and restarts the HBBTV application, and displays aplay screen 52 of a program provided by the HBBTV application, as shown in fig. 3B.

It can be seen that, in this embodiment, the corresponding frames of the EPG user interface and the HBBTV application are not displayed at the same time, and therefore, the EPG user interface and the HBBTV application can be effectively prevented from being overlapped. And when the EPG user interface is displayed, the program of the digital broadcast signal is displayed in the program preview area of the EPG user interface, so that the black screen of the program preview area of the EPG user interface can be effectively avoided.

As another example, when the program provided by the HBBTV application shown in fig. 3B is a network video provided by a network channel, such as a connection (Connect) channel or an Internet (Internet) channel, when the EPG user interface is displayed based on a user input, if the HBBTV application is closed, the network video is also closed, so that a program preview area in the EPG user interface may be a blank screen or only one picture, which affects the user viewing experience.

Therefore, in the present embodiment, in fig. 3B, when the user wants to view the EPG, an instruction for instructing to display the EPG may be input by operating the control device. The display device responds to the user input, and judges whether the program provided by the HBBTV application is a network video and whether the channel corresponding to the program is a network channel. And when the program is determined to be the network video and the channel corresponding to the program is the network channel, keeping the HBBTV application running continuously and displaying the EPG user interface.

For example, as shown in fig. 3B, the user presses a specific key on the control device, such as an EPG/GUIDE key, to make the display device respond to the key input, and determines whether the program provided by the HBBTV application is a network video and whether the channel corresponding to the program is a network channel. And when the program is determined to be the network video and the channel corresponding to the program is the network channel, keeping the HBBTV application running continuously, and providing an EPG user interface as shown in fig. 3D to the display. Theprogram preview area 31 of the EPG user interface displays aplay screen 52 of the network video shown in fig. 3B.

Here, it should be noted that theplaying screen 52 displayed in theprogram preview area 31 is displayed by the display device in response to a key input for displaying the EPG user interface, and theplaying screen 52 of the network video shown in fig. 3B is reduced to theprogram preview area 31 in accordance with the size of theprogram preview area 31 in the EPG user interface.

It should be noted that, although the display device cannot control the size of the display of the HBBTV application, the network video provided by the display device and the program video in the broadcast signal are both displayed in the video layer, so the display device can control the display size of the playing screen of the network video.

In addition, the process of the display device determining that the program provided by the HBBTV application is the network video and the channel corresponding to the program is the network channel may be:

the display device obtains a Uniform Resource locator (Uniform Resource L adapter, UR L) of the HBBTV application, where the UR L includes a program identifier of a program provided by the HBBTV application and a channel identifier of a channel corresponding to the program.

Specifically, when the program identifier carried by the UR L is the identifier of the network video and the carried channel identifier is the identifier of the network channel, the current program provided by the HBBTV application is determined to be the network video and the channel corresponding to the program is determined to be the network channel.

Further, on the basis of the EPG user interface shown in fig. 3D, the user may input an instruction to close the EPG by operating the control device, cause the display apparatus to close the EPG user interface in response to the user input, and display the program provided by the HBBTV application.

As shown in fig. 3D, the user presses a designated key on the control device, such as an EPG/GUIDE/BACK key, to cause the display device to respond to the key input, close the EPG user interface shown in fig. 3D, and enlarge the size of the program provided by the HBBTV application displayed in theprogram preview area 31 to return to the original size, as shown in fig. 3B.

It can be seen that, in this embodiment, when the EPG is started, the network video provided by the HBBTV application is displayed by using the program preview area of the EPG user interface, so that the EPG user interface is prevented from overlapping with the HBBTV application, and meanwhile, the program preview area of the EPG user interface is prevented from being blacked.

Fig. 5 illustrates, as an embodiment, an implementation flow of the HBBTV application and EPG switching. The process includes the following steps S71-S73:

step S71: the program is switched from the digital broadcast signal program to the program provided by the HBBTV application in response to a user input.

Step S72: the HBBTV application is kept running in response to user input and an EPG user interface is displayed.

For example, in fig. 3B, the display device, in response to an instruction input by the user to display the EPG, obtains UR L of the running HBBTV application, where UR L includes a program identifier of a program provided by the HBBTV application and a channel identifier of a channel corresponding to the program, when the program identifier carried by UR L is an identifier of a network video and the channel identifier carried by UR L is an identifier of a network channel (e.g., a Connect channel or an Internet channel), displays an EPG user interface on the display, and reduces the size of the network video provided by the HBBTV application according to the size of a preview area in the program of the EPG user interface, and displays the reduced network video in the program preview area, as shown in fig. 3D, and in fig. 3D, theprogram preview area 31 displays a playing screen of the network video of the HBBTV application.

Step S73: and closing the EPG user interface in response to the user input, and displaying the network video provided by the HBBTV application.

For example, in fig. 3D, the display device closes the EPG user interface in response to an instruction to close the EPG input by the user, and at the same time, restores the size of the network video provided by the HBBTV application, as shown in fig. 3B.

It can be seen that, in this embodiment, the display device displays the network video provided by the HBBTV application by using the program preview window of the EPG user interface, so that overlapping of the EPG user interface and the HBBTV application is avoided, and meanwhile, a program preview area of the EPG user interface is prevented from being blacked.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A display device, comprising:

a display;

a user interface for receiving user input;

a controller for performing:

switching a first program to a second program provided by a hybrid broadcast bandwidth television HBBTV application in response to a user input to switch programs while displaying the first program in the digital broadcast signal on the display;

in response to a user input for instructing display of an Electronic Program Guide (EPG), when the second program is determined to be a network video and the channel corresponding to the second program is a network channel, keeping running the HBBTV application and displaying an EPG user interface;

2. The display device of claim 1, wherein the determining that the second program is a network video and the channel corresponding to the second program is a network channel specifically includes:

acquiring a uniform resource locator UR L of the HBBTV application, wherein the UR L comprises a program identifier of the second program and a channel identifier of a channel corresponding to the second program;

and when the program identifier of the second program is the identifier of the network video and the channel identifier of the channel corresponding to the second program is the identifier of the network channel, determining that the second program is the network video and the channel corresponding to the second program is the network channel.

3. The display device of claim 2, wherein the network channel is a connection channel or an Internet channel.

4. The display device of claim 1, wherein the controller is to perform:

and responding to user input for indicating to display the EPG, and reducing the size of the second program according to the size of the program preview area when the second program is determined to be the network video and the channel corresponding to the second program is the network channel.

5. A display device, comprising:

a display;

a user interface for receiving user input;

a controller for performing:

6. The display device of claim 1, wherein the controller is to perform:

restoring the size of the second program in response to a user input indicating to close the EPG.

7. A method for controlling EPG user interface display, the method comprising:

8. The method of claim 7, wherein the determining that the second program is a network video and the channel corresponding to the second program is a network channel specifically comprises:

9. The method of claim 7, wherein the method further comprises:

10. A method for controlling EPG user interface display, the method comprising: