Liquid Crystal Display Panel Aperture Ratio Optimization
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Solution Overview
Problem
Traditional Vertical Alignment liquid crystal display panels experience color shift issues when viewed from wide angles, leading to a lower aperture ratio and increased power consumption due to the unequal brightness of main and sub-pixel regions.
Innovation Solution
The liquid crystal display panel incorporates a reconfigured layout of data and scanning lines with first and second branches, along with thin film transistors and capacitors, to optimize the brightness and aperture ratio by adjusting the connection of control terminals and input/output terminals between main and sub-pixels, ensuring balanced brightness between main and sub-pixels during scanning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the sub-region area is increased to improve color shift from wide viewing angle, then the color shift problem is improved, but the aperture ratio drops significantly and power consumption increases
Solution Approach 1:
The pixel structure is segmented into main pixel region and sub-pixel region, with further division of scanning lines into first and second branches. This segmentation allows independent control of different regions to achieve color compensation while minimizing the area occupied by non-light-emitting structures.
Solution Approach 2:
The scanning lines are extended into a third dimension by creating first and second branches that extend in different directions. This dimensional change allows the scanning lines to serve multiple pixels simultaneously, reducing the overall space required for scanning line structures and thereby increasing aperture ratio.
2Object-affected harmful factors
If the sub-region area is increased to improve color shift from wide viewing angle, then the color shift problem is improved, but the power consumption of backlight increases
Solution Approach 1:
The pixel structure is segmented into main pixel region and sub-pixel region, with further division of scanning lines into first and second branches. This segmentation allows independent control of different regions to achieve color compensation while minimizing the area occupied by non-light-emitting structures.
3Device complexity
If traditional scanning line connection is used, then the device complexity is low, but the aperture ratio is reduced due to line crossover in aperture region
Solution Approach 1:
The scanning lines are extended into a third dimension by creating first and second branches that extend in different directions. This dimensional change allows the scanning lines to serve multiple pixels simultaneously, reducing the overall space required for scanning line structures and thereby increasing aperture ratio.
Solution Approach 2:
The scanning line is segmented into first and second branches, with each branch serving specific pixels. This segmentation eliminates the need for crossover in the aperture region, as each branch independently routes signals to its designated pixels without intersecting other signal paths.
Data Source
AI summary
The present invention provides a liquid crystal display panel, comprising: a control terminal of the first main thin film transistor on the nth row of the pixels connected to a branch of the scanning lines to which the nth row of the pixels correspond; the control terminal of the second main thin film transistor on the nth row of the pixels connected to a first branch of the scanning line of the (n+1)th row; the control terminal of the auxiliary thin film transistor on the (n+1)th row of pixels connected to a branch of the scanning lines of the (n+1)th row.