Display Panel Signal Lead-In Layout for Delay and Interference Reduction
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Solution Overview
Problem
Current display technologies face challenges in optimizing the routing of signal lead-in lines in display panels, leading to inefficiencies in signal transmission and affecting display quality due to resistance differences and delays between signal paths.
Innovation Solution
The display panel design incorporates a configuration of signal lead-in lines and bridge portions, where signal lead-in lines are divided into sets and connected through bridge portions at different layers, optimizing wiring space and reducing signal interference by adjusting the layout and connections of signal lead-in lines and bridge portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If signal lead-in lines are routed in conventional layouts, then wiring space utilization is poor, but signal transmission efficiency is reduced due to resistance differences and delays
Solution Approach 1:
The signal lead-in lines are divided into multiple line sets (first line set, second line set, etc.), with each line set containing multiple signal lead-in lines. This segmentation allows for organized routing where lines within each set are positioned adjacent to each other, reducing resistance differences while maintaining manageable wiring complexity through structured division.
Solution Approach 2:
Bridge portions are introduced to connect signal lead-in lines from different line sets across different spatial dimensions. The bridge portions enable connections between line sets that would otherwise be difficult to connect efficiently, optimizing the three-dimensional wiring layout to reduce signal transmission delays without significantly increasing planar wiring complexity.
2Reliability
If signal lead-in lines are positioned adjacent to each other, then resistance differences are reduced, but signal interference increases
Solution Approach 1:
Signal lead-in lines are grouped into distinct line sets, with each set containing lines positioned adjacent to each other for reduced resistance differences. The segmentation into multiple line sets allows for systematic management of signal routing, where bridge portions connect different sets to minimize interference while maintaining the benefits of adjacent positioning within each set.
Solution Approach 2:
Bridge portions serve as intermediary connection elements between different line sets. These bridge portions provide controlled connection paths that reduce signal interference between adjacent lines while maintaining electrical connectivity. The bridge portions act as mediators that manage the trade-off between proximity (for lower resistance) and separation (for reduced interference).
Data Source
AI summary
Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a base substrate including a non-display area; a gate drive circuit located in the non-display area, where the gate drive circuit includes a plurality of shift registers, and the plurality of shift registers are divided into a plurality of register sets; and a plurality of signal lead-in lines located in the non-display area, where the plurality of signal lead-in lines are divided into a plurality of line sets, a frame start signal end of one register set is correspondingly and electrically connected to one line set, and two signal lead-in lines of one line set are provided with the signal lead-in line of another line set therebetween.