Foldable Display Magnet Shielding for Stable Folding
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Solution Overview
Problem
Existing foldable electronic devices face challenges in maintaining a stable folded state and protecting internal components from damage due to bending, particularly in flexible displays with multiple layers.
Innovation Solution
A foldable electronic device design incorporating a flexible display with a first and second housing part rotatable about a folding axis, featuring a flexible third display region, electromagnetic induction panels, magnets for maintaining the folded state, and a shielding and waterproof member to protect internal components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If magnets are disposed below the flexible display to maintain folded state, then the folded state stability is improved, but the risk of magnetic field interference with electromagnetic induction panel increases
Solution Approach 1:
A shielding member is introduced as an intermediary component between the magnet and the electromagnetic induction panel. The shielding member, positioned in the second layer, blocks or redirects magnetic field lines, preventing direct interaction between the magnet's magnetic field and the electromagnetic induction panel, thus eliminating interference while preserving the magnet's ability to maintain folded state stability
2Adaptability or versatility
If multiple layers are used in flexible display, then the display functionality is improved, but the vulnerability to bending damage increases
Solution Approach 1:
The patent introduces a waterproof member that at least partially surrounds the shielding member and provides protective coverage. This waterproof member acts as a cushioning layer that protects the shielding member and underlying components from bending-induced damage before such damage can occur, thereby enhancing reliability while maintaining the multi-layer display functionality
3Object-affected harmful factors
If shielding member is added to protect from magnetic interference, then the electromagnetic interference protection is improved, but the device complexity increases
Solution Approach 1:
The shielding member is merged with the second layer of the flexible display structure, and the waterproof member is designed to at least partially surround the shielding member. This integration approach combines multiple protective functions into a unified structural arrangement, reducing the number of separate components and simplifying the overall device structure while maintaining electromagnetic interference protection
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 design effectively maintains a stable folded state while safeguarding internal components from damage, enhancing durability and functionality of the flexible display.
Implementation Method 1
The second magnet may be configured to be paired with the first magnet to maintain a folded state of the foldable electronic device
Implementation Method 2
The shielding member may be disposed between the second magnet and a portion of the electromagnetic induction panel positioned above the second magnet
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
This foldable electronic device comprises: a housing including a first housing part and a second housing part; a flexible display including a first display portion, a second display portion, and a third display portion; a first layer including an electromagnetic induction panel disposed below the first display portion; a second layer contacting the second display portion; a first magnet; and a second magnet. The second layer includes: a shielding member interposed between the second magnet and a portion of the electromagnetic induction panel and including a shielding sheet; and a waterproof member at least partially surrounding the shielding member and including a waterproof body.