Foldable Display Hinge Structure With Inner Space Support
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Solution Overview
Problem
Current foldable display devices lack an inner space to accommodate additional structures, limiting their functionality and user experience.
Innovation Solution
A foldable display device design that includes a flexible display module with non-foldable and foldable portions, supported by metal plates and hinges, allowing for rotation and folding while providing an inner space for additional structures through a coupling cover and protective layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional rigid case structure is used to support the display module, then structural strength is improved, but the device cannot be folded and lacks inner space for additional structures
Solution Approach 1:
The case is divided into multiple segments: a first case portion, a second case portion, and a coupling cover. These segments can rotate relative to each other around a folding axis, enabling the device to transition between folded and unfolded states while maintaining structural support.
Solution Approach 2:
The case structure transitions from a static rigid form to a dynamic configuration where the first case portion and second case portion can rotate relative to each other. This dynamic capability allows the device to be folded while the coupling cover provides structural support during the folding process.
2Adaptability or versatility
If the case structure is made open to provide inner space, then adaptability for additional structures is improved, but structural integrity during folding deteriorates
Solution Approach 1:
The coupling cover is disposed within the case structure and rotates together with the first case portion and second case portion. This nested configuration allows the coupling cover to move with the folding motion while maintaining its structural support function, preventing damage to the flexible display module during folding.
Solution Approach 2:
The coupling cover acts as an intermediary structural element between the first case portion and second case portion. It provides a rotating connection that maintains structural integrity during folding while creating an inner space that can accommodate additional structures.
3Adaptability or versatility
If additional structures are added to provide inner space, then functionality is improved, but device complexity increases
Solution Approach 1:
The coupling cover serves multiple functions: it acts as a structural support element during folding, creates an inner space for additional structures, and rotates together with the case portions to maintain structural integrity. This multi-functionality reduces the need for separate components.
Solution Approach 2:
The coupling cover combines the functions of structural support and space creation into a single component. By integrating these functions, the design avoids adding separate complex mechanisms while still providing the needed inner space and maintaining structural integrity.
Data Source
AI summary
A display device includes a display module, a case with a first cover, a second cover and a coupling cover, a first metal plate disposed between the display module and the case that includes a first fixed portion and a first rotatable portion, a second metal plate disposed between the display module and the case that includes a second fixed portion and a second rotatable portion, a first hinge rotatably connected to the coupling cover that includes a first fixed support portion that supports the first fixed portion and a first portion that supports the first or second rotatable portion according to rotation of the first cover, and a second binge rotatably connected to the coupling cover and including a second fixed support portion that supports the second fixed portion and a second portion that supports the first or second rotatable portion according to rotation of the second cover.