Live Window Display for Persistent Key Information

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Solution Overview

Problem

Existing window display methods on mobile devices often result in key information being moved out of the screen, disrupting the user's ability to view it, and existing floating window solutions are limited in application scope or overwhelm the user with excessive content.

Innovation Solution

A live window display method that extracts key elements from the application window and displays them in a floating, customizable format, supporting page-level, application-level, and system-level presentation, allowing seamless switching between interfaces without overwhelming the user with excessive content.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If key information is displayed in the current interface, then the user can view the information, but the information may be moved out of the screen when the user operates the device

Engineering Contradiction:
Improvevisibility of key informationVSAvoiduser operation flexibility
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The interface is segmented into a main display area and a live window area. The live window extracts and displays key information elements separately from the main interface, allowing the main interface to respond to user operations freely while the live window maintains persistent visibility of important content through independent positioning and layering.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The live window acts as an intermediary between the main interface and the user's attention. It captures key information from the interface and presents it in a dedicated, always-visible area, mediating the display of important content independently from the main interface's layout changes and user interactions.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of information

If a floating window is displayed to maintain key information visibility, then the user can continue to view the information, but existing solutions are limited in application scope or overwhelm the user with excessive content

Engineering Contradiction:
Improvevisibility of key informationVSAvoiddisplay complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The live window extracts only the essential key information elements from the main interface, such as video thumbnails, navigation indicators, or chat messages, and displays them in a simplified format. This selective extraction avoids overwhelming the user with excessive content while maintaining visibility of the most important information.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The live window implements local quality by providing a simplified, focused display of key information in a specific screen area, while the rest of the interface maintains its full functionality and detail. This creates different display qualities in different areas: the live window shows essential elements in a compact format, while the main interface provides comprehensive information.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4209877B1Window display method and device
Publication Date: 2025.10.22 HUAWEI TECH CO LTD
  • EP4209877B1 patent drawingFigure 1(a)
  • EP4209877B1 patent drawingFigure 1(b)
  • EP4209877B1 patent drawingFigure 2(a)

AI summary

This application discloses a window display method and a device, and relates to the field of electronic devices. A terminal displays an application window of a first application on a display screen of the terminal. The application window includes a plurality of elements. After receiving a first operation, the terminal displays an animation in which the application window moves. When determining that the application window moves to a specified area of the display screen of the terminal, the terminal displays a live window on the display screen of the terminal. The live window includes some elements in the application window. The live window supports page-level, application-level, and system-level presentation. Content presented in the live window is a key element in a display interface. According to the method, content is not excessively displayed to affect user experience, and a processing requirement of a user can be met.