Subpixel Driving Layout for High-Resolution Display Rendering
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Solution Overview
Problem
The challenge of increasing display resolution in display devices while reducing the size of subpixels and distances between them leads to fabrication difficulties and higher costs, as well as the need to improve color gamut and brightness without compromising display performance.
Innovation Solution
The implementation of Sup-Pixel Rendering, which uses virtual pixels derived from multiple adjacent real-RGB pixels to calculate actual data signals, allowing for reduced subpixel counts while maintaining perceived visual resolution through algorithms that align bright centers of virtual pixels in straight lines, reducing graininess and color separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a pixel arrangement structure with multiple subpixels per pixel unit is used to improve color representation, then color accuracy is improved, but the number of pixels required for a resolution-driven display increases, leading to increased device complexity
Solution Approach 1:
The invention segments each pixel unit into multiple subpixels (e.g., red, green, blue subpixels) that can be independently controlled. This segmentation allows each pixel unit to represent multiple colors through different combinations of subpixels, improving color accuracy while maintaining a manageable pixel count for the display resolution
Solution Approach 2:
Each pixel unit serves multiple functions by containing multiple subpixels that can be independently activated. The same pixel unit can display different colors (red, green, blue, or combinations) depending on which subpixels are activated, allowing one pixel unit to perform the work of multiple single-color pixels
2Manufacturing precision
If the number of pixels is increased to achieve higher resolution, then display quality is improved, but the area occupied by control circuits and wiring increases, reducing the active display area ratio
Solution Approach 1:
The invention merges multiple control functions into fewer pixel units by using subpixel-level control. Instead of requiring separate control circuits for each pixel, the system controls individual subpixels within pixel units, reducing the overall control circuit area and wiring requirements while maintaining high display resolution
Solution Approach 2:
The invention adds a subpixel dimension to the traditional pixel structure. By organizing pixels into pixel units with multiple subpixels, the system achieves higher effective resolution without proportionally increasing the physical pixel count, thereby reducing the area required for control infrastructure
3Adaptability or versatility
If more pixels are used to represent multiple colors, then color representation capability is improved, but the number of control signals required increases, complicating the control circuit design
Solution Approach 1:
The control system is segmented to control individual subpixels rather than entire pixels. Each pixel unit is divided into controllable subpixels (red, green, blue), allowing the control circuit to manage color output by selectively activating specific subpixels within each pixel unit, reducing the overall control signal complexity
Solution Approach 2:
The patent implements preliminary organization of subpixels into pixel units with predetermined color assignments. This pre-structuring allows the control circuit to simplify color representation by controlling predefined subpixel groups rather than managing individual color elements separately, reducing control complexity
Data Source
Figure 1~2A
Figure 2B
Figure 3A~3B
AI summary
A method of driving a pixel arrangement structure having first subpixels, second subpixels and third subpixels is provided. The method of driving a pixel arrangement structure includes deriving an first actual data signal of a subpixel of the plurality of first subpixels in an i-th colunm and in a j-th row based on theoretical data signals; deriving a second actual data signal of a subpixel of the plurality of third subpixels in the i-th column and in the j-th row based on theoretical data signals; deriving a third actual data signal of a subpixel of the plurality of second subpixels in an (i+1)-th column and in the j-th row based on theoretical data signals; and deriving a fourth actual data signal of a subpixel of the plurality of third subpixels in the i-th column and in the (j-1)-th row based on theoretical data signals.