Stretchable Display Panel Layout for Higher Pixel Density
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Solution Overview
Problem
The existing stretchable display devices with flexible organic light-emitting diodes face limitations in resolution due to the packaging requirements of organic light-emitting diodes, which restrict their performance and application.
Innovation Solution
A stretchable display panel design featuring pixel islands with integrated driver circuits and drive wiring units, allowing for a more compact layout and increased pixel density, along with connecting lines that enhance stretchability and simplify manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If flexible organic light-emitting diodes are used in stretchable display devices, then the display can be deformed and stretched, but the resolution is limited due to the large size of the organic light-emitting diodes and packaging requirements
Solution Approach 1:
The display panel is divided into multiple pixel islands, each containing a mini LED and driving circuit. This segmentation allows the organic light-emitting diodes to be replaced with smaller mini LEDs, increasing pixel density and resolution while maintaining the overall stretchable structure through the modular pixel island design
Solution Approach 2:
The driving circuit is integrated directly within each pixel island, nesting the control electronics inside the pixel structure itself. This eliminates the need for separate packaging and external driving circuits, reducing the size of each pixel unit and enabling higher resolution displays
2Manufacturing precision
If the driving circuit is integrated into each pixel island, then the space for arranging pixel units increases, but the complexity of integrating multiple components increases
Solution Approach 1:
The pixel unit and driving circuit are merged into a single integrated pixel island structure. The driving circuit is positioned within the pixel island and directly connected to the mini LED, combining what were previously separate components into one unified module, thereby increasing pixel density while managing integration complexity through functional consolidation
3Manufacturing precision
If more pixel units are arranged in the display panel, then the resolution improves, but the stretchability may be compromised due to increased structural constraints
Solution Approach 1:
The display panel employs flexible substrates and thin-film structures for the pixel islands and connecting regions. This allows a high density of pixel units to be arranged on the panel while maintaining the ability to stretch and deform, as the flexible materials can accommodate mechanical deformation without compromising the structural integrity or electrical connections
Data Source
AI summary
A stretchable display panel and a method of producing the stretchable display panel are provided. The stretchable display panel has a driver integrated circuit occupying a small space in the present disclosure to reduce a required space for a circuit configured to drive a pixel unit to emit light, thereby benefiting the provision of spaces for arranging the pixel unit, so that the resolution of the stretchable display panel is increased.