Flexible Display Panel Sub-Pixel Arrangement for Stretching Compensation
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Solution Overview
Problem
Flexible display panels experience deteriorated display effects when sub-pixels are stretched due to deformation, which affects the overall performance.
Innovation Solution
The flexible display panel design includes pixel units with sub-pixels arranged along predetermined stretching directions, where sub-pixels with the same emitting color are aligned to compensate for stretching, and a pixel limiting layer made of transparent organic material like polydimethylsiloxane is used to minimize deformation impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a stretchable substrate is used to obtain stretchable properties, then the flexible display panel can be stretched, but the pixel layer on the substrate is deformed which deteriorates the display effect
Solution Approach 1:
The pixel layer is divided into multiple pixel units, each containing multiple sub-pixels. By segmenting the pixel structure and arranging sub-pixels with the same emitting color along the stretching direction, the deformation impact is distributed and compensated, maintaining display quality during stretching.
Solution Approach 2:
Different regions of the pixel layer are designed with specific sub-pixel arrangements tailored to the stretching direction. Sub-pixels with the same emitting color are positioned along the stretching direction to provide localized compensation for deformation in that specific region, preserving display effect where needed.
2Device complexity
If sub-pixels are arranged in conventional patterns, then the pixel structure is simple, but stretching causes uneven deformation and poor display effect
Solution Approach 1:
The pixel units are designed with asymmetric sub-pixel arrangements relative to the stretching direction. Sub-pixels with the same emitting color are specifically positioned along the stretching direction, creating an asymmetric pattern that compensates for deformation and maintains display quality during stretching.
3Manufacturing precision
If the pixel layer is made rigid to maintain display quality, then the display effect is preserved, but the flexible display panel cannot be stretched
Solution Approach 1:
The pixel layer is designed with dynamic sub-pixel arrangements that adapt to stretching. By positioning sub-pixels with the same emitting color along the stretching direction, the structure dynamically compensates for deformation during stretching, maintaining display quality while enabling flexibility.
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
This arrangement ensures that when sub-pixels are stretched, adjacent sub-pixels with the same color can compensate, maintaining the display effect and reducing deformation-related issues, while the pixel limiting layer enhances stretchability without affecting the display.
Implementation Method 1
the pixel limiting layer enhances stretchability without affecting the display
Implementation Method 2
By setting emitting colors of the plurality of sub-pixels in the predetermined stretching direction to the same emitting color, when one of the sub-pixels is stretched slightly, the other two adjacent sub-pixels with the same emitting color may play a role in compensation
Data Source
AI summary
The flexible display panel includes a plurality of pixel units, each of the pixel units includes a plurality of sub-pixels having at least three emitting colors, and the sub-pixels with a same emitting color are arranged along a predetermined stretching direction.