Display Control Circuit Coordinate Shift Mapping for Non-RGB Subpixel Layouts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Display control circuits face challenges in achieving optimal display quality due to inconsistencies in subpixel layouts on display panels, leading to issues with direct mapping approaches that fail to accurately render images, particularly in non-RGB-stripe subpixel configurations.
Innovation Solution
The implementation of a subpixel rendering circuit that employs coordinate shift mapping to adapt to varying subpixel layouts, allowing for the conversion of input points into rendered subpixel data by adjusting the mapping between input points and target subpixels based on specific filter kernels and coordinate shifts, ensuring accurate luminance determination across different color planes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If direct mapping approach is used to convert input points to subpixel data, then the processing is simple and fast, but the display quality deteriorates due to layout inconsistency between input points and subpixels
Solution Approach 1:
The patent introduces coordinate shift parameters (dx, dy) as adjustable variables to compensate for layout inconsistencies. By modifying the mapping relationship through parameter changes rather than changing the fundamental direct mapping structure, the system maintains processing speed while improving display quality for non-RGB-stripe subpixel layouts.
Solution Approach 2:
The patent applies different coordinate shift values (dx_r, dy_r for red subpixels, dx_g, dy-g for green subpixels, dx_b, dy_b for blue subpixels) to different color channels based on their specific layout characteristics. This localized adjustment optimizes the mapping for each subpixel type while maintaining overall processing efficiency.
2Manufacturing precision
If coordinate shift mapping is implemented to handle non-RGB-stripe layouts, then display quality improves, but device complexity increases
Solution Approach 1:
The patent divides the color planes into separate processing paths (red, green, blue) with their own coordinate shift parameters. This segmentation allows independent optimization for each color channel while maintaining a clear and manageable structure, preventing the complexity from becoming unmanageable.
Solution Approach 2:
The coordinate shift values are pre-calculated and stored as lookup tables or fixed parameters before the actual mapping process. This preliminary preparation eliminates the need for complex real-time calculations, reducing the computational burden during image processing while maintaining high display quality.
Data Source
AI summary
A display control circuit transforms a plurality of input points of an input image to a plurality of target subpixels of a display panel. In the display panel, a first row of the target subpixels and a second row of the target subpixels are non-aligned in a vertical direction. The display control circuit includes a subpixel rendering circuit. The subpixel rendering circuit maps a first row of the input points to the first row of the target subpixels, and maps a second row of the input points to the second row of the target subpixels. The coordinates of the first row of the input points are respectively equivalent to the coordinates of the first row of the target subpixels. The coordinates of the second row of the input points are respectively equivalent to the coordinates of the second row of the target subpixels being shifted in a horizontal direction.