Display Panel Metal Line Segments with Oxide Ends for Static Control
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Solution Overview
Problem
The cutting process of electronic paper panels generates static electricity due to exposed metal wire sections, affecting stability and display effect.
Innovation Solution
Incorporating metal oxide portions in the first metal line segments that extend to the outer boundary of the display panel, reducing conductivity and static electricity generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the panel motherboard is cut to obtain small-size plates, then productivity and manufacturing efficiency are improved, but static electricity is generated at the metal wire sections, worsening reliability and display stability
Solution Approach 1:
The patent changes the material parameter of the metal wire section by forming a metal oxide layer (such as indium oxide, zinc oxide, or tin oxide) on the metal wire. This material transformation reduces the conductivity of the wire end, thereby reducing static electricity generation while maintaining the cutting process for productivity.
Solution Approach 2:
The patent creates a composite structure by combining metal wire with metal oxide at the wire end. This composite material approach allows the wire to maintain its conductive function in the bulk while the oxide-coated end has reduced conductivity, minimizing static electricity without affecting the overall wire performance.
2Ease of operation
If metal wire sections are exposed at the panel edge, then ease of connection is improved, but static electricity generation increases, worsening reliability
Solution Approach 1:
The patent applies local quality by treating only the end portion of the metal wire with metal oxide formation, while the rest of the wire maintains its original metallic properties. This localized treatment ensures that the connection interface retains good electrical contact while the exposed end has reduced conductivity to minimize static electricity.
3Device complexity
If the outer boundary is exposed without protection, then manufacturing simplicity is improved, but water vapor intrusion occurs, worsening reliability
Solution Approach 1:
The patent forms a metal oxide composite layer at the outer boundary of the panel. This metal oxide material provides both electrical functionality and protective properties, creating a barrier against water vapor intrusion while maintaining structural simplicity without requiring additional protective layers.
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
Reduces static electricity, improves stability and display effect, and minimizes water vapor intrusion, enhancing the yield and performance of electronic paper panels.
Implementation Method 1
the first metal line segments include first sub-portions extending to the outer boundary, and the first sub-portions contain a metal oxide
Data Source
AI summary
Disclosed herein are a display panel, a display panel motherboard, and a display device, in which the non-display area includes an outer boundary on a side away from the display area, and metal terminals are disposed in the non-display area; and first metal line segments are disposed in the non-display area, one end of each of the first metal line segments is connected to one of the metal terminals, and another end extends to the outer boundary. The first metal line segments include first sub-portions extending to the outer boundary, and the first sub-portions contain a metal oxide.