WO2021189708A1 - Procédé de mise en marche de protection d'écran pour dispositif d'affichage, et dispositif d'affichage - Google Patents

Procédé de mise en marche de protection d'écran pour dispositif d'affichage, et dispositif d'affichage Download PDF

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Publication number
WO2021189708A1
WO2021189708A1 PCT/CN2020/100939 CN2020100939W WO2021189708A1 WO 2021189708 A1 WO2021189708 A1 WO 2021189708A1 CN 2020100939 W CN2020100939 W CN 2020100939W WO 2021189708 A1 WO2021189708 A1 WO 2021189708A1
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WO
WIPO (PCT)
Prior art keywords
display
display device
image
partition
screen saver
Prior art date
Application number
PCT/CN2020/100939
Other languages
English (en)
Chinese (zh)
Inventor
曹圆圆
Original Assignee
海信视像科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 海信视像科技股份有限公司 filed Critical 海信视像科技股份有限公司
Publication of WO2021189708A1 publication Critical patent/WO2021189708A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4436—Power management, e.g. shutting down unused components of the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/485—End-user interface for client configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Definitions

  • the present application provides a method for turning on the screen protection of a display device and the display device to avoid permanent damage to the OLED display.
  • a display device including:
  • the preset ratio is 90%-95%.
  • a method for opening a screen saver on a display device including:
  • the display is controlled to display a screen saver.
  • the screen saver is to automatically play a group of pictures or videos according to a certain length of time.
  • the brightness information of the partition image is obtained in the following manner: the average gray scale value of all pixels in the partition image, or the maximum gray scale value in all pixels, or the root mean square of the gray scale values of all pixels.
  • FIG. 1A exemplarily shows a schematic diagram of an operation scene between a display device and a control device
  • FIG. 1B exemplarily shows a configuration block diagram of the control device 100 in FIG. 1A;
  • FIG. 1C exemplarily shows a configuration block diagram of the display device 200 in FIG. 1A;
  • FIG. 1D exemplarily shows a block diagram of the architecture configuration of the operating system in the memory of the display device 200
  • FIG. 3 exemplarily shows a schematic diagram of another GUI provided by the display device 200
  • FIG. 4 exemplarily shows a flowchart of a method for turning on a screen saver on a display device
  • FIG. 5 exemplarily shows a flowchart of another method for turning on a screen saver on a display device
  • Fig. 6 exemplarily shows a flowchart of yet another method for opening a screen saver on a display device.
  • FIG. 1A exemplarily shows a schematic diagram of an operation scene between the display device and the control device.
  • the control device 100 and the display device 200 can communicate in a wired or wireless manner.
  • the control device 100 may be a remote controller 100A, including infrared protocol communication or Bluetooth protocol communication, and other short-distance communication methods, etc., to control the display device 200 in a wireless or other wired manner.
  • the user can control the display device 200 by inputting user instructions through keys on the remote control, voice input, control panel input, etc.
  • the user can control the display device 200 by inputting corresponding control commands through the volume plus and minus keys, channel control keys, up/down/left/right movement keys, voice input keys, menu keys, and power on/off keys on the remote control. Function.
  • the memory 120 is used to store various operating programs, data, and applications for driving and controlling the control device 100 under the control of the controller 110.
  • the memory 120 can store various control signal instructions input by the user.
  • the tuner and demodulator 210 can be selected by the user and controlled by the controller 250 to respond to the frequency of the television channel selected by the user and the television signal carried by the frequency.
  • the communicator 220 is a component used to communicate with external devices or external servers according to various types of communication protocols.
  • the display device 200 may transmit content data to an external device connected via the communicator 220, or browse and download content data from an external device connected via the communicator 220.
  • the communicator 220 may include a network communication protocol module such as a WIFI module 221, a Bluetooth module 222, and a wired Ethernet module 223 or a near field communication protocol module, so that the communicator 220 can receive the control signal of the control device 100 according to the control of the controller 250, and Realize the control signal as WIFI signal, Bluetooth signal, radio frequency signal, etc.
  • the detector 230 is a component of the display device 200 for collecting signals from the external environment or interacting with the outside.
  • the detector 230 may include a sound collector 231, such as a microphone, which may be used to receive a user's voice, such as a voice signal of a control instruction for the user to control the display device 200; or, it may collect environmental sounds used to identify the type of environmental scene to realize display
  • the device 200 can adapt to environmental noise.
  • the external device interface 240 may include: a high-definition multimedia interface (HDMI) terminal 241, a composite video blanking synchronization (CVBS) terminal 242, an analog or digital component terminal 243, a universal serial bus (USB) terminal 244, and a component (Component) Any one or more of terminals (not shown in the figure), red, green and blue (RGB) terminals (not shown in the figure), etc.
  • HDMI high-definition multimedia interface
  • CVBS composite video blanking synchronization
  • USB universal serial bus
  • Component Any one or more of terminals (not shown in the figure), red, green and blue (RGB) terminals (not shown in the figure), etc.
  • the processor 254 may include multiple processors.
  • the multiple processors may include a main processor and multiple or one sub-processors.
  • the main processor is configured to perform some initialization operations of the display device 200 in the display device preloading mode, and/or, to display screen operations in the normal mode. Multiple or one sub-processor, used to perform an operation in the standby mode of the display device.
  • the object can be any one of the selectable objects, such as a hyperlink or an icon.
  • the operation related to the selected object for example, the operation of displaying the page, document, image, etc. connected to the hyperlink, or the operation of executing the program corresponding to the object.
  • the user input command for selecting the GUI object may be a command input through various input devices (for example, a mouse, a keyboard, a touch pad, etc.) connected to the display device 200 or a voice command corresponding to a voice spoken by the user.
  • the memory 260 specifically stores software and/or programs for representing an operating system (OS). These software and/or programs may include, for example, a kernel, middleware, application programming interface (API), and/or application.
  • OS operating system
  • these software and/or programs may include, for example, a kernel, middleware, application programming interface (API), and/or application.
  • the kernel can control or manage system resources and functions implemented by other programs (such as the middleware, API, or application program); at the same time, the kernel can provide interfaces to allow middleware, API, or application program access control To control or manage system resources.
  • FIG. 1D exemplarily shows a block diagram of the architecture configuration of the operating system in the memory of the display device 200.
  • the operating system architecture consists of the application layer, the middleware layer, and the kernel layer from top to bottom.
  • HTML HyperText Markup Language
  • HTML tags are used to describe text, graphics, animations, sounds, tables, For links, the browser will read the HTML document, explain the content of the tags in the document, and display it in the form of a web page.
  • the middleware layer can provide some standardized interfaces to support the operation of various environments and systems.
  • the middleware layer can be implemented as the Multimedia and Hypermedia Information Coding Expert Group (MHEG) of middleware related to data broadcasting, and can also be implemented as DLNA middleware of middleware related to external device communication, and can also be implemented as providing Display the middleware of the browser environment in which each application in the device runs.
  • MHEG Multimedia and Hypermedia Information Coding Expert Group
  • the user interface 265 receives various user interactions. Specifically, it is used to send the input signal of the user to the controller 250, or to transmit the output signal from the controller 250 to the user.
  • the remote control 100A may send input signals such as a power switch signal, a channel selection signal, and a volume adjustment signal input by the user to the user interface 265, and then the user interface 265 transfers to the controller 250; or the remote control 100A may Receive output signals such as audio, video, or data output from the user interface 265 after the controller 250 processes, and display the received output signal or output the received output signal as audio or vibration.
  • the user may input a user command on a graphical user interface (GUI) displayed on the display 275, and the user interface 265 receives the user input command through the GUI.
  • GUI graphical user interface
  • the user interface 265 may receive user input commands for controlling the position of the selector in the GUI to select different objects or items.
  • the user may input a user command by inputting a specific sound or gesture, and the user interface 265 recognizes the sound or gesture through the sensor to receive the user input command.
  • An image synthesis module such as an image synthesizer, is used to superimpose and mix the GUI signal generated by the graphics generator with the zoomed video image according to the user input or itself, so as to generate an image signal for display.
  • the display formatting module is used to change the signal output by the frame rate conversion module to a signal conforming to the display format such as a display, for example, format the signal output by the frame rate conversion module to output RGB data signals.
  • the display 275 may include a display screen component for presenting a picture and a driving component for driving image display.
  • the display 275 may also include a projection device and a projection screen.
  • the video processor 270 may include one or more chips.
  • the audio processor 280 may also include one or more chips.
  • the display screen displays the display interface before the screen saver appears.
  • the display can change from displaying the GUI shown in Figure 3 to the one shown in Figure 2.
  • This application provides a method for turning on the screen protection of a display device.
  • the chip driver layer processes the image brightness information, and can simultaneously cover the VIDEO layer and the OSD layer (UI, the homepage of the Netflix application, etc., are all OSDs).
  • Layer, layered interface and does not rely on the static/playing status of the multimedia player (local multimedia U disk or Netflix and other APP applications) or decoder (TV/HDMI and other resources), nor does it rely on the UI
  • the status of this program covers a wide range of working conditions.
  • the method includes:
  • the brightness information of the partition image is obtained in the following manner: the average grayscale value of all pixels in the partition image, or the maximum grayscale value of all pixels, or the mean square of the grayscale values of all pixels root.
  • the method of calculating the average gray scale value has better immunity to interference than the method of taking the maximum value, and has higher efficiency than the root mean square method.
  • the method of calculating the average gray scale value Value method to determine the image brightness information of the partition image.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

Des modes de réalisation de la présente demande concernent le domaine de la technologie d'affichage, et en particulier un procédé de mise en marche d'une protection d'écran destiné à un dispositif d'affichage et un dispositif d'affichage, une pluralité de partitions d'image correspondant à une image à afficher qui sera affichée sur un dispositif d'affichage étant obtenues, et des informations de luminosité de chaque partition d'image étant déterminées en fonction de valeurs d'échelle de gris de tous les pixels à l'intérieur de chaque partition d'image ; par rapport aux partitions d'image, lorsqu'il est déterminé que les informations de luminosité d'une proportion prédéfinie des partitions d'image ne sont pas modifiées pendant une durée qui dépasse une durée prédéfinie, le dispositif d'affichage étant commandé pour afficher une protection d'écran.
PCT/CN2020/100939 2020-03-26 2020-07-08 Procédé de mise en marche de protection d'écran pour dispositif d'affichage, et dispositif d'affichage WO2021189708A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010222463.8A CN111432257A (zh) 2020-03-26 2020-03-26 一种显示设备开启屏幕保护的方法及显示设备
CN202010222463.8 2020-03-26

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WO2021189708A1 true WO2021189708A1 (fr) 2021-09-30

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WO (1) WO2021189708A1 (fr)

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CN111880886B (zh) * 2020-07-31 2024-04-30 北京小米移动软件有限公司 屏保图片的选取方法及装置、存储介质
CN112863441A (zh) * 2021-01-28 2021-05-28 维沃移动通信有限公司 显示方法及装置
CN113453060A (zh) * 2021-06-28 2021-09-28 青岛海信传媒网络技术有限公司 一种屏幕保护方法及显示设备

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