Display Sub-Pixel Segmentation for Aperture Ratio
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Solution Overview
Problem
The development of higher resolution display panels is hindered by the limited size of sub-pixels, leading to reduced aperture ratios and increased manufacturing difficulties and costs.
Innovation Solution
A display system with pixels arranged in rows and columns, each comprising two sub-pixels that can display different colors, where a driving device determines pixel values based on a predetermined region and adjacent pixels, improving sub-pixel size and aperture ratio while simplifying manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the resolution of the display panel is increased, then the display quality is improved, but the size of sub-pixels is reduced and the aperture ratio is reduced
Solution Approach 1:
The pixel is divided into two sub-pixels instead of three, with each sub-pixel capable of displaying different colors at different times. This segmentation allows for larger individual sub-pixel areas while maintaining the same overall pixel size, thereby improving the aperture ratio while preserving display resolution.
Solution Approach 2:
The patent employs time-sequential color display where each sub-pixel dynamically switches between displaying different colors (e.g., first sub-pixel displays red then green, second sub-pixel displays blue then red). This dynamic approach allows two sub-pixels to effectively represent three color channels, maintaining resolution while increasing aperture ratio.
2Measurement precision
If the resolution of the display panel is increased, then the display quality is improved, but the manufacturing difficulty is increased
Solution Approach 1:
By segmenting the color display function across two sub-pixels with temporal switching, the manufacturing process is simplified compared to integrating three separate sub-pixels per pixel. Fewer sub-pixels per pixel means fewer alignment points and simpler fabrication processes while achieving the same or better resolution.
Solution Approach 2:
Each sub-pixel is designed to be multi-functional, capable of displaying multiple colors sequentially. This universality reduces the total number of sub-pixels needed, simplifying the manufacturing process and reducing alignment complexity while maintaining high resolution capabilities.
3Measurement precision
If the resolution of the display panel is increased, then the display quality is improved, but the manufacturing cost is increased
Solution Approach 1:
The reduction from three to two sub-pixels per pixel directly reduces material consumption and manufacturing steps, lowering production costs while maintaining resolution. The segmentation of color display across time rather than space reduces the complexity of the manufacturing process.
Solution Approach 2:
The patent changes the operational parameters of sub-pixels from static color assignment to dynamic time-sequential color display. This parameter change allows for fewer sub-pixels to achieve the same color information output, reducing manufacturing costs associated with producing and assembling more sub-pixels.
Data Source
AI summary
A method for driving a display device is disclosed. Each pixel of the display device includes a first sub-pixel and a second sub-pixel. The method includes: driving the first sub-pixel of a first pixel disposed in a first column and in a first row to display a first color; driving the second sub-pixel of the first pixel to display a second color; driving the first sub-pixel of a second pixel disposed in the first column and in a second row or a third row to display a third color; driving the second sub-pixel of the second pixel to display the first color; and determining a pixel value of the first sub-pixel of the first pixel according to a predetermined region, the pixels adjacent to the first pixel, and a video signal.