Foldable Display Shaft Support Structure for Crease Reduction
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Solution Overview
Problem
Flexible display panels face issues with warping and creasing due to poor tactile sensation and separation of film layers when folded, leading to screen damage and reduced user experience, as existing solutions like steel sheets and magnets fail to match deformation and apply excessive tensile force.
Innovation Solution
A shaft support structure comprising rigid support strips, first support plates, and a flexible cladding layer, where the rigid support strips are arranged perpendicular to the bending direction, and the flexible cladding layer wraps around the support structure to reduce direct contact and absorb deformation, providing a flexible and supportive base for the display panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If rigid support structures (steel sheets and magnets) are used to maintain panel flatness, then panel stability is improved, but excessive tensile force is applied causing film layer separation and creases
Solution Approach 1:
The patent replaces rigid steel sheets with a flexible support film that can deform with the display panel during folding. The flexible cladding layer wrapped around the support strips provides support while allowing deformation, preventing film layer separation and creases that occur with rigid structures.
Solution Approach 2:
The patent changes the mechanical properties of the support structure from rigid to flexible. The support strips are designed with specific flexibility parameters that allow them to provide support force while deforming with the panel, reducing the harmful tensile force that causes creases and separation.
2Manufacturing precision
If rigid support strips are arranged perpendicular to bending direction, then deformation compensation is improved, but direct contact causes creasing
Solution Approach 1:
The patent introduces a flexible cladding layer as an intermediary between the rigid support strips and the display panel. This cladding layer wraps around the support strips, allowing them to provide deformation compensation while preventing direct contact that would cause creases in the panel.
Solution Approach 2:
The flexible cladding layer acts as a thin film that conforms to the support structure while protecting the display panel from direct contact with rigid edges. This flexible barrier allows deformation compensation without transferring creasing forces to the panel.
3Object-affected harmful factors
If flexible cladding layer wraps around support structure, then direct contact is reduced, but structure complexity increases
Solution Approach 1:
The flexible cladding layer is implemented as a wrapped film structure that conforms to the support strips and support plates. This simple flexible wrapping approach reduces direct contact between rigid components and the display panel without requiring complex mechanical structures.
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 solution significantly reduces creasing and warping by allowing for better deformation compensation and maintaining panel flatness during folding and unfolding, enhancing the user experience by minimizing damage and improving visual quality.
Implementation Method 1
a flexible cladding layer, wrapped around the rigid support part and the two first support plates, joining a side, close to the flexible display panel, of the rigid support part, and sides, close to the flexible display panel, of the two first support plates as a whole
Data Source
AI summary
A rotating shaft supporting structure, a display device, and an assembling method therefor are described. The shaft support structure includes a rigid support part including a plurality of rigid support strips arranged in parallel, two first support plates arranged in parallel with the rigid support strips, and located on the two opposite sides of the rigid support part, and a flexible cladding layer, wrapped around the rigid support part and the two first support plates, joining a side, close to a flexible display panel, of the rigid support part, and sides, close to the flexible display panel, of the two first support plates as a whole.