Flexible Display Camera Preview Sync During Screen State Changes
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Solution Overview
Problem
Electronic devices with expandable displays struggle to adjust image capture resolution in real-time as the display area changes, resulting in captured images differing from the user's intended preview.
Innovation Solution
The device includes a processor to detect state changes in the display, adjust preview resolution accordingly, identify hidden areas, and capture images at designated and corrected resolutions during image capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display area is expanded or reduced in a rollable or slidable device, then the screen size increases or decreases, but the image capture resolution remains fixed at the initially configured resolution regardless of the current display state
Solution Approach 1:
The patent implements dynamic resolution adjustment by detecting the current display state (expanded or reduced) and automatically configuring the appropriate output resolution. The processor dynamically switches between first output resolution for expanded state and second output resolution for reduced state, making the image capture system adaptive to real-time display changes rather than fixed at initial configuration.
Solution Approach 2:
The patent changes the resolution parameter based on display state. When the display transitions between expanded and reduced states, the system modifies the output resolution parameter accordingly - using first output resolution when expanded and second output resolution when reduced - ensuring the captured images match the actual preview displayed to the user.
2Ease of operation
If the display state changes during image capture, then the preview resolution should update in real-time, but the captured images continue to use the initial resolution configuration
Solution Approach 1:
The patent implements a feedback mechanism where the processor continuously monitors display state changes during image capture. When a state change is detected (expanded to reduced or vice versa), the system receives feedback about the new state and automatically adjusts the output resolution configuration, ensuring captured images reflect the actual preview that was displayed to the user.
Solution Approach 2:
The patent performs preliminary configuration of output resolution based on detected display state before actual image capture begins. By pre-configuring the appropriate resolution (first or second) based on the current display state, the system ensures that when capture occurs, the correct resolution is already set, preventing mismatch between preview and captured image.
3Adaptability or versatility
If the display is expanded or reduced during video recording, then the screen size changes, but the recorded video maintains the initial resolution throughout
Solution Approach 1:
The patent applies dynamic resolution adjustment to video recording by continuously monitoring display state changes during recording. When the display transitions between expanded and reduced states, the processor dynamically switches between first and second output resolutions, ensuring the recorded video consistently reflects the actual preview resolution at each moment rather than maintaining a fixed initial resolution.
Data Source
AI summary
An electronic device having a flexible display and an image-capturing method according to changes in the state of same are provided. The electronic device includes a camera, a display, and a processor. The processor captures an image on the basis of an output resolution designated in a first state of the display, displays a preview screen based on a first preview resolution according to the first state of the display, senses a state change of the display switching from the first to second state, displays a preview screen based on a second preview resolution according to the second state of the display, identifies a hidden region based on the amount of change of the display, and acquires and provide a first image based on the output resolution and a second image based on the hidden region based on changes in the state of the display while image capturing is performed.