Display Panel Initialization Line Layout for Lower Pixel Interference
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Solution Overview
Problem
Display panels face challenges in displaying high-quality images due to electrical interference between various electronic components placed in a relatively small area.
Innovation Solution
The display panel design includes first and second initialization voltage lines alternately arranged along different directions, with pixel circuits connected in a specific configuration to minimize electrical interference, and uses distinct signal potentials for these lines to enhance image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pixel sizes are decreased to increase resolution, then image quality is improved, but electrical interference between electronic components increases
Solution Approach 1:
The display panel divides the pixel array into multiple banks (first bank, second bank, third bank) with different initialization voltage line configurations. Each bank has specific pixel circuits (first-color, second-color, third-color) arranged with dedicated initialization transistors and voltage lines, segmenting the electrical pathways to reduce interference while maintaining high resolution
Solution Approach 2:
Different regions of the display panel have different initialization voltage line arrangements. The first initialization voltage lines connect to first-color pixel circuits, while second initialization voltage lines connect to second-color and third-color pixel circuits through specific initialization transistors. This local differentiation optimizes electrical isolation in each region, reducing overall electrical interference while preserving image quality
2Quantity of substance
If various electronic components are placed in a relatively small area to increase resolution, then pixel density is improved, but electrical interference between components increases
Solution Approach 1:
The patent extends the electrical connection architecture into multiple dimensions by using both first and second initialization voltage lines that extend in different directions. Initialization transistors are connected to voltage lines in alternating patterns, creating a three-dimensional electrical distribution network that reduces interference while accommodating high pixel density
Solution Approach 2:
Initialization transistors serve as intermediary elements between pixel circuits and initialization voltage lines. Each initialization transistor selectively connects to first or second initialization voltage lines based on its position and function, mediating electrical signals to reduce direct interference between adjacent pixel circuits while maintaining high component density
Data Source
AI summary
A display panel includes first initialization voltage lines and second initialization voltage lines which are alternately arranged along a first direction in a display area, each of the first initialization voltage lines and second initialization voltage lines extending in a second direction crossing the first direction, first-color pixel circuits and second-color pixel circuits alternately arranged along the first initialization voltage lines, and third-color pixel circuits arranged along the second initialization voltage lines. An initialization transistor of each of the second-color pixel circuits is electronically connected to an initialization transistor of one third-color pixel circuit among the third-color pixel circuits, and the one third-color pixel circuit is disposed next (adjacent) to the initialization transistor of each of the second-color pixel circuits in the first direction.