Foldable Display Panel Support With Grid Hinge to Reduce Visible Lines
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Solution Overview
Problem
The formation of visible lines due to plastic deformation when a display panel is bent is a challenge in flexible display devices.
Innovation Solution
A display device design featuring a folding axis, a panel support with a grid pattern portion, and a jig that includes a hinge mechanism to alleviate plastic deformation, with specific components like flat plate frames, wing plates, and adhesive portions to manage bending stress.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a display panel is bent to achieve flexible display functionality, then the display device can be folded or bent to decrease volume or change design, but visible lines are formed due to plastic deformation of the panel
Solution Approach 1:
The support plate is divided into a first support region and a second support region separated by a first separation region. This segmentation allows different portions of the panel to be supported differently during bending, preventing uniform plastic deformation across the entire panel and reducing visible line formation while maintaining flexible display capability.
Solution Approach 2:
Different regions of the support plate provide different levels of support: the first support region supports the bending area to prevent excessive deformation, the second support region supports non-bending areas to maintain structural integrity, and the first separation region provides controlled flexibility. This local differentiation of support quality prevents uniform plastic deformation and reduces visible lines.
2Stability of the object's composition
If a rigid support structure is used to maintain panel stability, then the panel maintains its shape and structural integrity, but the panel cannot be bent or folded
Solution Approach 1:
The support plate is segmented into multiple functional regions (first support region, second support region, and first separation region) that provide different levels of rigidity. This allows the panel to maintain structural integrity in non-bending areas while enabling controlled bending in specific regions, achieving both stability and flexibility.
Solution Approach 2:
The support plate transitions from a completely rigid structure to a dynamically adaptable structure with regions of varying flexibility. The first separation region provides controlled flexibility for bending, while other regions maintain rigidity for structural support, allowing the panel to adapt its stiffness based on the required function.
3Stability of the object's composition
If uniform support is provided across the entire panel, then the panel maintains even support and stability, but plastic deformation occurs uniformly causing visible lines during bending
Solution Approach 1:
Instead of uniform support, the support plate is segmented into regions with different support characteristics. The first support region provides support to the bending area, the second support region supports non-bending areas, and the first separation region provides controlled flexibility. This non-uniform support distribution prevents uniform plastic deformation and reduces visible lines.
Solution Approach 2:
Different regions of the panel receive different quality and level of support. The bending area receives support tailored to allow controlled deformation, while non-bending areas receive support that maintains structural integrity. This local differentiation of support quality prevents uniform plastic deformation across the panel.
Data Source
AI summary
A display device includes a display panel to be folded, a panel support supporting a bottom surface of the display panel, and a jig under the panel support, and including a first flat plate frame, a second flat plate frame on one side of the first flat plate frame, and a wing plate fixed to the second flat plate frame to rotate with respect to a rotation axis, wherein a folding axis is on a boundary between the first flat plate frame and the wing plate, and wherein the panel support includes a first flat plate portion overlapping the first flat plate frame, a second flat plate portion overlapping the second flat plate frame, and a grid pattern portion on the wing plate, between the first and second flat plate portions, and extending to the boundary between the first flat plate frame and the wing plate.