Flexible Roll-up Display with Scissor Hinges and Spring Mechanism
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Solution Overview
Problem
Conventional information handling systems lack flexibility and efficient storage solutions for portable devices, as they often require rigid displays and complex mechanisms for opening and closing, which can limit user interaction and device usability.
Innovation Solution
A portable information handling system featuring a coiled flexible display with a spring layer and touch sensors, coupled with scissor hinges and a coil bushing mechanism that allows for roll-up functionality and adjustable friction, enabling a compact and user-friendly interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rigid display is used in conventional information handling systems, then the display structure is simple and reliable, but the device lacks flexibility and portability
Solution Approach 1:
The patent applies a flexible display structure that can be bent and rolled up, replacing the conventional rigid display. The display is integrated with a coil bushing mechanism that allows it to be wound into a compact configuration, enabling the device to transition between extended and retracted states while maintaining display functionality.
Solution Approach 2:
The display structure is designed to be dynamic rather than static, allowing it to change its configuration between extended and retracted states. The coil bushing mechanism enables the display to be rolled up and unrolled as needed, providing adaptability while managing the complexity through controlled mechanical movement.
2Reliability
If a complex mechanism is used for opening and closing the display, then the display can be protected, but the device becomes less user-friendly and easier to break
Solution Approach 1:
The spring mechanism automatically pushes the display to its extended position, eliminating the need for manual intervention to open the display. The system uses elastic potential energy stored in the spring to self-propel the display into its operational state, reducing user effort while maintaining protection during retraction.
Solution Approach 2:
The spring is pre-loaded to store elastic potential energy that is released when the display needs to be extended. This preliminary action of loading the spring ensures that the display automatically extends without requiring user input, making the device easier to operate while still providing protection when retracted.
3Volume of moving object
If the display is made flexible and rollable, then the device becomes more portable and compact, but the display integrity may be compromised
Solution Approach 1:
The display is constructed as a flexible component that can be bent and rolled without damage. The flexible nature of the display allows it to be integrated with the roll-up mechanism, enabling compact storage while maintaining the structural integrity needed for display functionality.
Solution Approach 2:
The coil bushing acts as a protective structure that guides and cushions the display during rolling and unrolling operations. This beforehand cushioning prevents damage to the display by providing a controlled path and absorbing mechanical stresses during the transformation between compact and extended states.
4Stability of the object's composition
If friction is increased in the hinge mechanism, then the display can be held in position, but the mechanism becomes less smooth and more complex
Solution Approach 1:
The friction parameter in the hinge mechanism is adjusted to provide sufficient holding force while maintaining smooth operation. By optimizing the friction level, the system achieves position stability without requiring complex locking mechanisms, balancing stability and operational smoothness through parameter tuning rather than structural complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides a flexible and compact display solution that allows for efficient user interaction through touch input, maintaining display integrity and usability across various positions, while ensuring the display remains protected when not in use.
Implementation Method 1
the spring layer may provide a closing force to rotate the coil bushing and bring the first chassis body and the second chassis body together
Implementation Method 2
The hinge pin may allows for mechanical adjustment of a frictional force to open and close the scissor hinge. The frictional force may be selected to maintain a distance of separation between the first chassis body and the second chassis body
Data Source
AI summary
A flexible roll-up information handling system may include two chassis bodies that are connected using two scissor hinges for opening and closing. A coiled flexible display may be provided at an external surface for operation by a user, and may be rolled up in one of the chassis bodies, while being fixed to the other chassis body. The scissor hinges may be adjusted to provide friction to balance the closing force of the coiled flexible display, which may include a steel spring backing layer.