Rollable Flexible Display Motor Calibration for Accurate Resizing
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Solution Overview
Problem
Rollable electronic devices with flexible displays face issues with motor driving unit errors due to impact, abrasion, or transformation, leading to inaccuracies in display resizing and movement operations.
Innovation Solution
An electronic device with a motor driving unit that includes a calibration operation system, where a processor executes instructions to detect errors by comparing movement measurements with reference values, determines the need for calibration, and provides user notifications, optimizing resizing and movement animations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a motor driving unit is used to move the flexible display for resizing, then the display can be expanded and reduced, but impact, abrasion, or transformation may occur causing errors in driving operation
Solution Approach 1:
The system performs preliminary calibration of the motor driving unit by comparing measurement values with reference values before normal operation. This advance calibration detects potential errors due to impact, abrasion, or transformation, and adjusts the motor parameters to maintain accurate display resizing operation.
Solution Approach 2:
The system implements a feedback mechanism where the processor continuously compares measurement values from the motor driving unit with stored reference values. When deviations are detected, the system provides calibration notifications and adjusts operating parameters to maintain reliability of the display resizing function.
2Area of stationary object
If the display size is expanded to provide larger screen, then multimedia function convenience is improved, but portability of the electronic device is limited
Solution Approach 1:
The system employs a flexible display that can dynamically change its effective area through motor-driven expansion and reduction. The display transitions between extended and retracted states, allowing the device to provide large screen area when needed while maintaining compact portability when the display is rolled or folded back.
3Measurement precision
If calibration operation is performed to detect motor errors, then driving operation accuracy is improved, but additional user notification and processing time is required
Solution Approach 1:
The calibration operation is performed preliminarily during device initialization or setup phase, before normal user operations begin. This ensures that the motor driving unit is calibrated in advance, so that during normal use, the system can rely on the pre-established reference values without requiring frequent calibration interruptions.
Data Source
AI summary
An electronic device having a first housing, a second housing movable with respect to the first housing, a flexible display mounted on the second housing that is configured to be inserted into or ejected from the first housing. The electronic device also includes a motor driving unit for moving the second housing, a memory for storing executable instructions, and at least one processor accessing the memory to execute the instructions. The processor outputs a control signal to the motor driving unit upon receiving a first signal, compares a measurement value related to the movement of the motor driving unit with a preset reference value, determines whether calibration of the motor driving unit is necessary based on the comparison, and provides a user notification if calibration is needed.