Stretchable Display Panel Layout for Uniform Pixels on Irregular Surfaces
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Solution Overview
Problem
Stretchable display apparatuses face challenges in maintaining uniform pixel arrangements when attached to irregular surfaces, leading to non-uniform intervals between pixels, which affects the display's resolution and aesthetic appeal.
Innovation Solution
A display apparatus with a display panel that includes multiple regions with different elongation states, allowing for pixels to be arranged with specific intervals based on the surface shape, using a method that involves elongating a substrate to match the surface and determining unique elongation states for each region, ensuring uniform pixel spacing when viewed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a stretchable display apparatus is arranged on a locally irregular surface shape, then the display apparatus can adapt to various shapes and be arranged on irregular surfaces, but the intervals between pixels become non-uniform when viewed
Solution Approach 1:
The display panel is divided into multiple regions (first display area and second display area) with different elongation rates. Each region is independently designed to have uniform pixel intervals when viewed, while the entire panel adapts to irregular surfaces through differential elongation.
Solution Approach 2:
Different regions of the display panel are assigned different elongation rates (first elongation rate for first display area, second elongation rate for second display area) to achieve uniform pixel appearance. This local differentiation allows each region to compensate for surface irregularities independently.
2Ease of manufacture
If the display panel is elongated uniformly across all regions, then the manufacturing process is simplified, but the pixel intervals appear non-uniform on irregular surfaces
Solution Approach 1:
The elongation process is differentiated by region, with the first display area elongated at a first elongation rate and the second display area elongated at a second elongation rate. This localized approach maintains pixel uniformity while managing manufacturing complexity through systematic regional processing.
3Manufacturing precision
If different elongation rates are applied to different display areas, then uniform pixel intervals are maintained when viewed, but the device complexity increases
Solution Approach 1:
The display panel is segmented into distinct regions (first and second display areas) that can be elongated independently at different rates. This segmentation enables precise control over pixel intervals in each region while managing overall device complexity through modular regional control.
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 ensures that pixels are uniformly arranged on irregular surfaces, maintaining consistent intervals and enhancing the display's resolution and visual appeal by adapting to the surface shape.
Implementation Method 1
When tensile force is applied, a first elongation rate of the display panel in the first display area is different from a second elongation rate of the display panel in the second display area
Data Source
AI summary
A display apparatus disposed on an object including a first surface having a first shape and a second surface having a second shape different from the first shape, the display apparatus includes a display panel arranged on the object, including a first display area extending along the first surface, a second display area extending along the second surface, a plurality of first pixels arranged with a preset interval in the first display area and a plurality of second pixels arranged with the preset interval in the second display area, where when tensile force is applied, a first elongation rate of the display panel in the first display area is different from a second elongation rate of the display panel in the second display area.