Stretchable Display Hidden-Pixel Copying for Resolution Retention
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Solution Overview
Problem
Stretchable display devices experience a reduction in pixel density and resolution when stretched, leading to image distortion due to the change in the number of pixels per unit area.
Innovation Solution
A stretchable display device design that alternately disposes main and hidden pixels, with hidden pixels replicating the values of adjacent main pixels, reducing wiring complexity and increasing pixel density by 41% and lowering production costs by 33%.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the number of pixels per unit area is increased to maintain high resolution, then the device complexity and wiring requirements increase
Solution Approach 1:
The patent applies the copying principle by having hidden pixels replicate the values of adjacent main pixels. When the display is stretched, hidden pixels are activated and copy the luminance values from neighboring main pixels, maintaining image quality without requiring additional independent wiring for each pixel. This reduces wiring complexity while preserving resolution.
2Manufacturing precision
If hidden pixels are activated to maintain resolution during stretching, then the pixel density increases, but the manufacturing complexity increases
Solution Approach 1:
The patent merges the functionality of main pixels and hidden pixels by using the same wiring structure for both. The hidden pixels share control lines and data lines with main pixels, and their values are determined based on adjacent main pixel values. This consolidation reduces the number of independent wiring routes needed, simplifying manufacturing while increasing effective pixel density.
3Manufacturing precision
If more wiring is added to control additional pixels for higher resolution, then the production cost increases
Solution Approach 1:
The patent makes the wiring structure universal by designing control lines and data lines that serve both main pixels and hidden pixels. The same wiring infrastructure controls multiple pixel types, and the hidden pixels utilize existing wiring to receive control signals and data, eliminating the need for separate wiring systems. This multi-functional wiring approach reduces material costs and manufacturing complexity.
Data Source
AI summary
Proposed is a stretchable display device. The stretchable display device includes a plurality of main pixels, a plurality of hidden pixels, a first main pixel, and a first hidden pixel corresponding to the first main pixel. A first hidden pixel value is determined on the basis of a first main pixel value.