Flexible Display Rotation Handling to Reduce Black Matrix Artifacts

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

When electronic devices with flexible displays are rotated, the changing externally exposed area of the display generates a black matrix (BM) area, degrading image quality due to differences in screen capture and display areas during animation effects.

Innovation Solution

An electronic device with a flexible display that identifies rotation and area change events, applies animation effects while resizing images, and selects a transition method to minimize the BM area, enhancing image quality.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If animation effect is applied during rotation while changing display area, then transition smoothness is improved, but black matrix area increases degrading image quality

Engineering Contradiction:

Improvetransition smoothnessVSAvoidblack matrix area

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent applies preliminary action by resizing the image to match the target display area before the animation effect is fully applied. The processor determines a resized image corresponding to the second display area before termination of the animation effect, ensuring the correct image dimensions are prepared in advance to minimize the black matrix area while maintaining smooth transition

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent implements dynamics by making the image resizing adaptive to the changing display area during rotation. The processor dynamically adjusts the image dimensions based on the current display area exposed to the outside, allowing the image to transition smoothly from the first display area configuration to the second display area configuration while minimizing black matrix generation throughout the animation process

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If screen direction changes during rotation, then rotation adaptability is improved, but black matrix area increases degrading image quality

Engineering Contradiction:

Improverotation adaptabilityVSAvoidblack matrix area

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The processor determines a resized image corresponding to the second display area before termination of the animation effect, preparing the correctly sized image in advance for the target screen direction

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system dynamically adjusts image dimensions based on the current display area and screen direction during rotation, allowing seamless adaptation between portrait and landscape modes while minimizing black matrix area throughout the transition

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20250225895A1Electronic device including flexible display and method for operating the same

Publication Date: 2025.07.10 SAMSUNG ELECTRONICS CO LTD

AI summary

An electronic device is provided. The electronic device includes a housing, a flexible display, a memory storing executable instructions, and at least one processor, wherein the instructions are configured to, when executed, enable the at least one processor to identify a first event triggering a first display operation for displaying an image based on a rotation of the electronic device, identify a second event triggering a second display operation for displaying an image based on a change in an area of the flexible display, and sequentially change a display attribute of an image displayed on the flexible display.