Foldable Display Hinge Structure With Waterdrop Screen Clearance
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Solution Overview
Problem
Conventional foldable electronic devices suffer from poor reliability and shortened service life due to excessive squeezing of the flexible display when folded, leading to potential damage during the folding process.
Innovation Solution
The electronic device incorporates a housing apparatus that forms a water drop-shaped screen accommodation space during folding, utilizing a hinge assembly with various components like fixing brackets, swing arms, and damping assemblies to stabilize the folding action and reduce squeezing force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the housing apparatus folds the flexible display during folding, then the device achieves compact portability, but the flexible display suffers from excessive squeezing force that damages reliability
Solution Approach 1:
The housing apparatus forms a water drop-shaped screen accommodation space with curved surfaces during folding, replacing traditional flat or angular structures. This curvature design distributes the folding stress more evenly across the flexible display, reducing concentrated squeezing forces and minimizing damage risk while maintaining compact form factor.
Solution Approach 2:
The housing apparatus pre-forms a protective water drop-shaped space that cushions the flexible display before excessive squeezing occurs during folding. This preventive structural design absorbs and distributes folding forces, protecting the display from damage while enabling compact folding.
2Device complexity
If the hinge assembly uses traditional folding mechanism, then the structure is simple, but the squeezing force on the screen is excessive causing damage
Solution Approach 1:
The hinge assembly incorporates a water drop-shaped screen accommodation space with curved surfaces that replace traditional angular or flat folding structures. This curvature design naturally distributes squeezing forces during folding, reducing peak stresses on the screen while maintaining relatively simple mechanical structure.
Solution Approach 2:
The hinge assembly changes the geometric parameters of the screen accommodation space to form a water drop shape with specific curvature radii and proportions. This parameter optimization allows the structure to maintain simplicity while effectively distributing folding forces and reducing harmful squeezing on the flexible display.
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
This design enhances the reliability and extends the service life of the flexible display by minimizing damage from excessive squeezing, ensuring a stable and secure folding mechanism.
Implementation Method 1
hinge assembly with various components like fixing brackets, swing arms, and damping assemblies to stabilize the folding action and reduce squeezing force
Data Source
Figure 1A~1B
Figure 2~3A
Figure 3B~4B
AI summary
This application discloses an electronic device, including a screen and a housing apparatus configured to bear the screen. The housing apparatus can automatically perform avoidance in a folding process to form screen accommodation space. A folding action performed by the housing apparatus on the screen is stable, and has small squeezing force. This helps reduce a risk that the screen is damaged due to excessive squeezing by the housing apparatus, so that reliability of the screen and the electronic device is high, and a service life of the screen and the electronic device is long.