Flexible Display Camera Rotation for Centered Rollable Imaging
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Solution Overview
Problem
In rollable electronic devices with flexible displays, the fixed camera module struggles to maintain the subject in the image capturing range when the display is rolled or expanded, leading to image eccentricity and requiring the user to adjust the device.
Innovation Solution
A method and device where the camera module's rotation is controlled based on the rolling state of the flexible display, ensuring the subject remains centered in the display module's frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the camera module is fixedly mounted at a designated position, then the device structure is simple and reliable, but the subject deviates from the image capturing range when the display is rolled, causing image eccentricity
Solution Approach 1:
The camera module is designed with rotatable capability, transitioning from a fixed static mounting to a dynamic adjustable position. The processor controls the camera to rotate based on the rolling state of the flexible display, allowing the camera to dynamically adjust its orientation to maintain the subject within the image capturing range, thereby resolving the contradiction between structural simplicity and image capturing accuracy.
Solution Approach 2:
The processor identifies the rolling state of the flexible display and uses this information to control the camera's rotation. This feedback mechanism ensures that the camera module automatically adjusts its position in response to display rolling, maintaining accurate subject positioning without requiring manual user adjustment, thus improving ease of operation while preserving structural reliability.
2Ease of operation
If the camera module is rotatable based on display rolling, then image capturing accuracy is improved, but the device structure becomes more complex
Solution Approach 1:
The camera module is designed to perform multiple functions: it can operate in a fixed position for standard imaging and rotate to adjusted positions when the flexible display is rolled. This multi-functionality allows a single camera module design to accommodate both simple fixed mounting scenarios and complex rolled display scenarios, improving image capturing accuracy without requiring entirely separate camera systems for each mode.
Solution Approach 2:
The camera module's operational parameters, specifically its rotational position, are dynamically changed based on the display's rolling state. The processor adjusts the camera's rotation angle according to the identified rolling state, allowing the system to adapt to different operational conditions without permanently increasing structural complexity. The camera rotates only when necessary, maintaining simplicity in the base structure while enabling complexity only when needed for accurate image capturing.
Data Source
AI summary
An electronic device includes a flexible display configured to be rollable; at least one camera; and a processor operatively connected to the flexible display and the camera, wherein the processor is configured to: detect operation initiation of the camera; identify a rolling state of the flexible display, based on the operation initiation; rotate the camera toward a designated direction, based on the rolling state of the flexible display; and based on the rolling state of the flexible display, display an image obtained from the designated direction via the camera in a center of the flexible display.