Flexible Display Expansion Control for Seamless Screen Output

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Solution Overview

Problem

Existing electronic devices with flexible displays face issues such as abnormal screen outputs and unnecessary black areas when the display is expanded or reduced, and unintended touch inputs occur during folding or unfolding operations.

Innovation Solution

An electronic device with a flexible display and a processor that controls the display to seamlessly manage screen expansion and reduction, processing touch events to align with user intentions, and maintaining resolution consistency during display size changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of moving object

If the display is expanded or reduced in real time, then the display area changes, but abnormal screen output and unnecessary black areas are generated

Engineering Contradiction:

Improvedisplay areaVSAvoidscreen display quality

Core Design Contradiction:

Area of moving objectVSReliability

Solution Approach 1:

The processor determines whether to expand or reduce the display area in advance based on touch input information received during the display operation, and controls the display to expand or reduce accordingly before the actual expansion/reduction occurs, preventing abnormal screen output and black areas

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system continuously receives touch input information during display operation and uses this feedback to dynamically control the display area expansion or reduction, ensuring the display adapts to user needs while maintaining proper screen output quality

Inventive Principle:

Principle #23Feedback

2Area of moving object

If the display is expanded or reduced, then the display size changes, but unintended touch inputs are detected through the touch sensor

Engineering Contradiction:

Improvedisplay sizeVSAvoidunintended touch input

Core Design Contradiction:

Area of moving objectVSObject-affected harmful factors

Solution Approach 1:

The processor determines whether to expand or reduce the display area based on touch input information received during the display operation, and controls the display to expand or reduce accordingly before the actual expansion/reduction occurs, preventing abnormal screen output and black areas

Inventive Principle:

Principle #9Preliminary anti-action

Solution Approach 2:

Inventive Principle:

Principle #23Feedback

Data Source

PatentUS12322320B2Seamless screen display during expansion or reduction of a flexible display of an electronic device

Publication Date: 2025.06.03 SAMSUNG ELECTRONICS CO LTD

AI summary

An electronic device according to various embodiments comprises: a flexible display including a main display region and at least one extendable display region that can be extended from the main display region; and a processor operatively connected to the display, wherein the processor is configured to: control the display to display first content on the main display having a first size while the electronic device is in a slide-in state, slide the display out to extend same to a second size based on touch input information about the display region being received, control the display to display second content on the extendable display region or the entire display region while the state of the electronic state is being switched into a slide-out state, and complete displaying of the second content and display the first content on at least a part of the display based on switching of the state of the electronic state to the slide-out state being completed.