Display Panel Compensation Circuit for Irregular Area Uniformity
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Solution Overview
Problem
Irregular-shaped display panels experience uneven loading, leading to uneven display due to differences in signal line lengths and resistance-capacitance characteristics.
Innovation Solution
A display panel design with a compensation circuit comprising multiple compensation units and signal lines, where the compensation units are connected to second signal lines to address uneven loading, including a switching transistor and compensation elements like capacitors and resistors to balance electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If irregular-shaped area is introduced to diversify display panel shapes, then shape diversity and adaptability are improved, but loading uniformity deteriorates causing uneven display
Solution Approach 1:
The patent applies local quality by introducing irregular-shaped areas at specific locations within the display panel to achieve shape diversity, while maintaining uniform loading characteristics in other critical areas through optimized signal line routing and compensation circuits positioned at strategic locations
Solution Approach 2:
The patent changes electrical parameters by adjusting signal line lengths, widths, and material properties in different regions of the display panel to compensate for loading differences caused by irregular shapes, ensuring uniform display performance across the entire panel
2Stability of the object's composition
If signal line lengths are equalized to improve loading uniformity, then display uniformity is improved, but signal line routing complexity and device complexity increase
Solution Approach 1:
The patent segments the signal transmission path into multiple sections with different characteristics, allowing each segment to be optimized independently for length and routing while maintaining overall loading uniformity across the entire display panel
Solution Approach 2:
The patent introduces compensation circuits as intermediary elements between the signal source and display elements, which actively adjust signal characteristics to compensate for differences in signal line lengths and achieve uniform loading without requiring all signal lines to be equal in length
Data Source
AI summary
A display panel includes an active area and an irregular-shaped area. The display panel includes one or more first signal lines, one or more second signal lines, and a compensation circuit. The length of the first signal line is greater than that of the second signal line. The compensation circuit includes one or more compensation modules, the one or more compensation modules including compensation units arranged at intervals, and at least one of the compensation units being connected to a respective one of the second signal lines. Each of the one or more compensation modules further includes one or more control signal lines, and each of the one or more control signal lines is configured to control connectivity between one of the compensation units and a respective one of the second signal lines.