Stretchable Display Connecting Region for Uniform Deformation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current deformable electronic devices face challenges in designing suitable structures and materials to achieve a balance between flexibility and cost-effectiveness, particularly in integrating deformable functions into display devices.
Innovation Solution
Incorporating an elasticity layer between display units of a stretchable electronic device, which includes a conductive line connecting the units and features a concave design corresponding to light emitting regions, allowing for deformation such as stretching while maintaining electrical connectivity and reducing optical interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an elasticity layer is added between display units to enable deformation, then the device gainstretchability and flexibility, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The display device is divided into multiple display units that can be independently positioned, with elasticity layers inserted between them. This segmentation allows the overall device to achieve stretchability while each unit maintains its functional integrity, resolving the contradiction between adding deformation capability and increasing structural complexity.
Solution Approach 2:
The elasticity layer serves as an intermediary component between adjacent display units, enabling mechanical deformation while maintaining electrical connectivity through conductive lines. This intermediary approach allows the system to gain stretchability without requiring complete redesign of the entire display structure.
2Stability of the object's composition
If the connecting region is positioned away from the virtual extension line, then the device achieves better deformation uniformity, but the manufacturing precision requirements increase
Solution Approach 1:
The connecting region is given a specific positional quality (offset from the virtual extension line) that differs from the traditional centered arrangement. This local quality change optimizes the deformation characteristics of the elasticity layer, allowing uniform stretching while the offset position provides natural alignment cues that can simplify manufacturing tolerances.
3Device complexity
If the elasticity layer covers the light emitting region, then the structural simplicity is maintained, but the optical performance deteriorates
Solution Approach 1:
The elasticity layer is extracted or removed from the light emitting region to eliminate optical interference. This creates a clear aperture where light can pass through unobstructed, while the elasticity layer is retained in non-emissive areas to maintain structural simplicity and provide mechanical support.
Solution Approach 2:
The elasticity layer coverage is made non-uniform, with selective absence over light emitting regions and presence in other areas. This local quality variation optimizes both optical performance (by clearing the light path) and structural simplicity (by maintaining coverage where support is needed).
Data Source
AI summary
A stretchable electronic device having a connecting region includes a first electronic unit having a first geometric center and comprising a first electronic element, a second electronic unit having a second geometric center and comprising a second electronic element, a conductive line disposed in the connecting region and electronically connecting the first electronic unit and the second electronic unit. The connecting region is disposed between the first electronic unit and the second electronic unit. In a top view of the stretchable electronic device, a virtual extension line is extended from the first geometric center to the second geometric center. A minimum distance between a side edge of the connecting region and the virtual extension line before stretching is greater than a minimum distance between the side edge of the connecting region and the virtual extension line after stretching.