Dynamic Sub-Pixel Rendering for Display Quality
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Solution Overview
Problem
As display panel resolution increases, the size of sub-pixels is limited, reducing the aperture ratio and complicating manufacturing, while existing display systems struggle to efficiently drive pixels to display a combination of colors effectively.
Innovation Solution
A display system with a driving device that includes a mode detection unit, one-dimensional (1-D) sub-pixel rendering unit, and two-dimensional (2-D) sub-pixel rendering unit, which determines whether a predetermined condition is met to generate display pixel values based on neighboring pixels, allowing for efficient rendering of colors by either 1-D or 2-D sub-pixel values depending on the condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If display panel resolution is increased, then display quality is improved, but sub-pixel size is reduced leading to lower aperture ratio and increased manufacturing difficulty
Solution Approach 1:
The patent implements dynamic switching between 1-D and 2-D sub-pixel rendering modes based on image content analysis. The system detects whether an image requires high color precision (artificial images) and switches rendering methods accordingly, allowing the display to adapt to different resolution requirements and maintain quality without uniformly increasing manufacturing complexity across all display scenarios
Solution Approach 2:
The patent changes the rendering parameters dynamically by switching between 1-D and 2-D sub-pixel rendering methods. When artificial images are detected, the system uses 2-D rendering with surrounding pixel data for higher color precision. For natural images, it uses 1-D rendering with fewer computational parameters, thus maintaining display quality while reducing processing load and avoiding uniform increases in manufacturing complexity
2Measurement precision
If display panel resolution is increased, then display quality is improved, but aperture ratio is reduced
Solution Approach 1:
The system dynamically selects rendering methods based on image content, using 2-D rendering only when necessary for artificial images that require precise color reproduction. This dynamic approach allows the display to maintain high aperture ratio by avoiding unnecessary rendering computations while still achieving high display quality when needed
3Measurement precision
If 2-D sub-pixel rendering is used, then color rendering quality is improved, but processing time and power consumption increase
Solution Approach 1:
The patent implements dynamic mode switching between 1-D and 2-D sub-pixel rendering based on image content detection. The system analyzes whether an image is artificial and requires high color precision, then switches to 2-D rendering only for those specific cases. For natural images, it uses the faster 1-D rendering method, thus maintaining high color rendering quality when needed while avoiding unnecessary processing time and power consumption
Solution Approach 2:
The system changes rendering parameters dynamically by selecting between 1-D and 2-D rendering methods based on image content. When artificial images are detected requiring high color precision, it switches to 2-D rendering with surrounding pixel data. For other cases, it uses 1-D rendering with fewer computational parameters, thereby optimizing the balance between color rendering quality and processing time
4Productivity
If 1-D sub-pixel rendering is used, then processing speed is improved, but color rendering accuracy decreases
Solution Approach 1:
The patent implements dynamic switching between 1-D and 2-D rendering modes based on image content analysis. The system detects whether an image requires high color precision (artificial images) and switches rendering methods accordingly. This allows the display to maintain fast processing speeds for natural images while achieving high color rendering accuracy for artificial images when needed
Data Source
AI summary
A display system that includes a display panel and a display device is provided. The display panel has display pixels each of the display pixels including two sub display pixels. The driving device includes a mode detection unit, a 1-D sub-pixel rendering unit and a 2-D sub-pixel rendering unit. The mode detection unit determines whether a predetermined condition of the first frame is met. The 1-D sub-pixel rendering unit generates first display pixel values when the predetermined condition is not met. The 2-D sub-pixel rendering unit generates second display pixel values when the predetermined condition is met. Either the first display pixel values or the second display pixel values are generated to be outputted to the display panel and are displayed by the display pixels.