Display Panel Grounding Layout for Integrated Anti-Static Shielding
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Solution Overview
Problem
Existing display panel anti-static structures, which rely on conductive tapes and silver glue dots, are time-consuming and labor-intensive, affecting production efficiency and increasing costs, as they need to be attached after panel assembly.
Innovation Solution
A display device with an array substrate featuring a peripheral grounding line and driving units with interconnected grounding pins, auxiliary lead lines, and silver glue dot grounding lead lines, which form a closed loop to dissipate static electricity, eliminating the need for conductive tapes and improving anti-static performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conductive tapes and silver glue dots are used for anti-static structure, then anti-static performance is improved, but production efficiency deteriorates due to time-consuming and labor-intensive installation
Solution Approach 1:
The patent merges the anti-static function with the existing grounding structure of the display panel. The peripheral grounding line and driving unit grounding pins form an integrated grounding network that provides anti-static protection without requiring separate conductive tapes or additional silver glue dots, thus improving production efficiency while maintaining anti-static performance
Solution Approach 2:
The patent extracts the anti-static function from the traditional conductive tape approach and integrates it into the panel's inherent grounding structure. By utilizing the peripheral grounding line and driving unit grounding pins that already exist in the display panel design, the anti-static capability is achieved without adding separate components, eliminating time-consuming installation steps
2Reliability
If conductive tapes and silver glue dots are used for anti-static structure, then anti-static performance is improved, but manufacturing complexity increases due to additional installation steps
Solution Approach 1:
The anti-static function is merged with the existing grounding structure, combining multiple functions (grounding and anti-static protection) into a single integrated system. This eliminates the need for separate conductive tapes and simplifies the overall structure installation process
Solution Approach 2:
The display panel's own grounding structure serves the dual purpose of electrical grounding and anti-static protection. The peripheral grounding line and driving unit grounding pins automatically provide anti-static functionality without requiring external conductive tapes or additional installation steps, making the system self-sufficient
3Reliability
If multiple grounding connections are established between driving units, then signal transmission stability is improved, but device complexity increases
Solution Approach 1:
The patent merges multiple grounding connections into a unified grounding network formed by the peripheral grounding line and interconnected driving unit grounding pins. This integrated approach provides multiple grounding paths for signal stability while avoiding the complexity of separate, discrete grounding structures
Solution Approach 2:
The peripheral grounding line and driving unit grounding pins serve multiple functions simultaneously: they provide electrical grounding, ensure signal transmission stability through multiple connection paths, and deliver anti-static protection. This multi-functionality reduces the need for additional specialized components
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances production efficiency by simplifying the anti-static structure installation and improving the stability of signal transmission between driving units, while effectively shielding static electricity without the need for conductive tapes, thus reducing labor costs and improving overall anti-static performance.
Implementation Method 1
a silver glue dot grounding lead line located in the peripheral region, and the silver glue dot is connected to one of the grounding pins through the silver glue dot grounding lead line
Implementation Method 2
a peripheral grounding line that is located in the peripheral region and surrounds the display region; at least one grounding pin of at least one of the driving units is connected to the peripheral grounding line
Data Source
AI summary
A display device is disclosed. The display device includes an array substrate and at least two driving units. The array substrate includes a peripheral region and a display region, the array substrate further includes a peripheral grounding line and a test line, wherein the peripheral grounding line is located in the peripheral region, and the test line is located in the peripheral region. The at least two driving units are located on at least one side of the array substrate, the driving unit includes at least two grounding pins, a grounding pin of at least one of the driving units is connected to the peripheral grounding line, and each of at least one grounding pin of one of two adjacent driving units is electrically connected to a corresponding grounding pin of the other adjacent driving unit.