Flexible Sliding Display Layout for Dual-App Viewing

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Solution Overview

Problem

Existing electronic devices struggle to simultaneously display a foreground application and a background application due to limited display size, often requiring the background application to be hidden when a new application is executed.

Innovation Solution

The device employs a flexible display with a first and second display area, where the second housing slides out to reveal a second application upon receiving a notification, allowing simultaneous display of both applications using a state change icon.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a bar-type electronic device with limited display size uses a single display area, then the device structure remains simple, but the device cannot simultaneously display both foreground and background applications

Engineering Contradiction:
Improveability to display multiple applications simultaneouslyVSAvoiddisplay structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The flexible display is divided into multiple independent display areas (first display area and second display area) that can function independently. The first display area displays the foreground application while the second display area displays the background application, enabling simultaneous multi-application display without requiring a single large display screen.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent transitions from a two-dimensional single-display layout to a multi-dimensional display architecture by adding a flexible display component that can be positioned and configured in different spatial arrangements. This allows the device to present applications across multiple display areas, effectively adding a dimensional layer to the display architecture.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If the display size is increased to show both applications, then both applications can be displayed simultaneously, but the device becomes less portable

Engineering Contradiction:
Improvemulti-application display capabilityVSAvoiddevice length
Core Design Contradiction:
Adaptability or versatilityVSLength of moving object

Solution Approach 1:

Instead of using one large display screen, the display function is segmented into multiple smaller display areas distributed across different components. This allows the total display area to be sufficient for showing both applications while keeping each individual component compact and portable.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The flexible display is integrated within the device structure in a nested configuration, where the second display area can be positioned within or adjacent to the first display area. This nesting approach maximizes the use of available space efficiently, providing extended display capability without proportionally increasing the overall device footprint.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Ease of operation

If the background application is hidden when a new application is executed, then the display screen remains dedicated to the foreground application, but the user cannot access the background application

Engineering Contradiction:
Improveapplication switching convenienceVSAvoidbackground application visibility
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The display is segmented into separate areas for different applications, allowing the foreground application to be displayed on the first display area while the background application remains visible on the second display area. This eliminates the need to hide the background application when switching to a new foreground application.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The flexible display acts as an intermediary between the foreground and background applications, providing a visual bridge that allows both applications to coexist on the display. Users can access the background application through the second display area without interrupting or hiding the foreground application display.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentEP4472187B1Electronic device comprising flexible display and method for controlling electronic device
Publication Date: 2026.03.18 SAMSUNG ELECTRONICS CO LTD
  • EP4472187B1 patent drawingFigure 1
  • EP4472187B1 patent drawingFigure 2
  • EP4472187B1 patent drawingFigure 3A

AI summary

An electronic device according to various embodiments of the present invention may comprise: a wireless communication module; a first housing; a second housing coupled to the first housing to be able to slide; a flexible display comprising a first display area visible when the second housing is in a slide-in state with regard to the first housing, and a second display area visible when the second housing is in a slide-out state with regard to the first housing; a memory; and at least one processor operatively connected to the wireless communication module, the flexible display, and the memory. The at least one processor may be configured to display a first application in the first display area based on the second housing being in a slide-in state with regard to the first housing, display, at a first location in the first display area, a notification received from an external electronic device using the wireless communication module, generate a state change icon at a second location in the first display area based on reception of the notification, switch the second housing from the slide-in state to the slide-out state based on the state change icon being touched, and display a second application corresponding to the notification in the second display area.