Pixel Rendering for PenTile Display Continuity
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Solution Overview
Problem
In electronic display products, the presence of front cameras limits the screen-to-body ratio and results in poor image continuity in low pixel density regions due to the PenTile pixel arrangement, leading to discontinuous images and color shifts.
Innovation Solution
A pixel rendering method that receives image information for color pixels and adjacent transparent pixels, calculates image rendering information by combining grayscale and color data from both, and adjusts color information to ensure seamless image rendering across low and normal pixel density regions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If PenTile pixel arrangement is used to increase screen-to-body ratio, then device area is reduced, but image continuity deteriorates in low pixel density regions
Solution Approach 1:
The patent applies local quality by differentiating rendering approaches for different pixel density regions. Low pixel density regions use a specific rendering method that considers transparency and blending, while normal pixel density regions use conventional rendering, ensuring each region maintains optimal image continuity characteristics
Solution Approach 2:
The patent introduces an intermediary rendering process that calculates intermediate pixel values by blending color pixel information with adjacent transparent pixel information. This intermediary calculation acts as a mediator between the irregular PenTile arrangement and the continuous image display requirement
2Area of stationary object
If PenTile pixel arrangement is used, then device area is reduced, but color accuracy deteriorates due to color shifts
Solution Approach 1:
The patent applies local quality by implementing region-specific rendering: color pixels in low pixel density regions are rendered using transparency-aware calculations that differ from normal pixel density regions, ensuring accurate color representation in areas where the PenTile arrangement causes color shifts
Solution Approach 2:
The patent changes rendering parameters dynamically based on pixel type and region. Color pixels adjacent to transparent pixels use different blending parameters and transparency coefficients compared to conventional rendering, adjusting the rendering parameters to compensate for the PenTile arrangement's color accuracy issues
3Device complexity
If conventional rendering is used in low pixel density regions, then processing complexity is reduced, but image quality deteriorates with discontinuous images
Solution Approach 1:
The patent segments the display area into low pixel density regions and normal pixel density regions, applying different rendering strategies to each segment. This segmentation allows the system to use enhanced processing only where needed (in low pixel density regions) while maintaining overall image continuity
Solution Approach 2:
The patent performs preliminary classification of pixels into color pixels and transparent pixels before rendering. This preliminary action identifies which pixels require special transparency-aware processing, enabling the system to apply complex calculations only to necessary pixels rather than all pixels
Data Source
AI summary
A pixel rendering method includes: receiving first image information corresponding to a first color pixel and m pieces of second image information corresponding to m transparent pixels adjacent to the first color pixel; obtaining, according to the first image information and the m pieces of second image information, image rendering information of the first color pixel; and rendering the first color pixel by using the image rendering information of the first color pixel.