Stretchable Display PenTile Layout for High-Resolution Imaging
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Solution Overview
Problem
Stretchable display devices face a challenge in maintaining high resolution when stretched due to a decrease in the number of pixels per unit area, leading to image distortion.
Innovation Solution
The solution involves increasing the number of pixels per unit area by arranging pixel portions in more than half of the stretchable display component placement areas and utilizing a PenTile-type pixel structure, along with diagonal and parallel wiring configurations for data lines and gate-in-panel arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display is stretched, then the stretchability is improved, but the number of pixels per unit area decreases leading to resolution degradation
Solution Approach 1:
The display is divided into multiple unit display areas, each containing multiple sub-pixels arranged in a PenTile configuration. This segmentation allows the display to maintain pixel density by organizing pixels into functional units that can be efficiently packed, thereby preserving resolution even when the overall display is stretched.
Solution Approach 2:
Different regions of the display utilize the PenTile pixel arrangement pattern, where specific sub-pixels (e.g., green sub-pixels) are strategically positioned to serve multiple viewing angles and stretching directions. This local optimization ensures that each area maintains adequate pixel density and color accuracy regardless of the stretching state.
2Manufacturing precision
If pixel density is increased to maintain resolution, then the manufacturing complexity increases
Solution Approach 1:
The PenTile pixel arrangement uses a universal pattern that can be applied across the entire display area. The same sub-pixel configuration and wiring scheme are repeated in each unit display area, simplifying the manufacturing process by eliminating the need for complex, region-specific pixel layouts while maintaining high resolution.
Solution Approach 2:
The patent employs the PenTile parameter configuration where the ratio of sub-pixels of different colors (e.g., more green sub-pixels) is optimized to maintain color accuracy and perceived resolution. By adjusting the parameter distribution of sub-pixel types and their arrangement pattern, the display achieves high resolution without proportionally increasing manufacturing complexity.
Data Source
AI summary
A stretchable display device includes a plurality of unit display areas, wherein each of the unit display areas is composed of a plurality of stretchable display component placement areas, and wherein either a stretchable wiring portion or a pixel portion is arranged in each of the stretchable display component placement areas.