Display Panel Electrostatic Discharge Protection
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Solution Overview
Problem
The increasing narrowness of signal lines in display panels due to compressed lower frames leads to higher impedance and a risk of burning, which existing technologies have not adequately addressed.
Innovation Solution
Incorporating electrostatic discharge units with conductive pads and signal lines, where the electrostatic discharge bodies are partially overlapped and connected to the conductive pads, to enhance electrostatic protection and reduce the risk of signal line burning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If the lower frame is compressed to achieve a narrow bezel, then the bezel width is reduced, but the signal line width becomes thinner and impedance increases leading to burning risk
Solution Approach 1:
An electrostatic discharge body is introduced as an intermediary component between the signal line and the lower frame. This discharge body provides a dedicated path for static electricity to dissipate, protecting the thin signal lines from burning while allowing the lower frame to remain compressed for a narrow bezel design.
Solution Approach 2:
The electrostatic discharge body is pre-configured in the lower frame before final assembly, creating a protective mechanism in advance. This preliminary protection structure ensures that when signal lines are transmitted through the compressed lower frame, static electricity is already diverted through the discharge body, preventing burning before it can occur.
2Length of stationary object
If the lower frame is compressed to minimize its width, then the bezel is narrower, but the space for arranging signal lines is reduced
Solution Approach 1:
The electrostatic discharge body extends in the vertical dimension within the lower frame, allowing static electricity discharge functionality to be added without increasing the horizontal width of the lower frame. This dimensional approach enables the lower frame to remain narrow while still providing adequate protection and signal line arrangement space.
Solution Approach 2:
The electrostatic discharge body is nested within the lower frame structure, utilizing the existing space efficiently. By placing the discharge body inside the lower frame's internal space, the design achieves electrostatic protection without requiring additional external space, maintaining the narrow bezel while protecting the signal lines.
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 effectively eliminates static electricity, enhances electrostatic protection, minimizes the lower frame width, and increases signal line width, thereby reducing the risk of burning and improving production yield.
Implementation Method 1
Each electrostatic discharge body and a corresponding conductive pad are at least partially overlapped with each other, thereby the static electricity of the signal of the display panel can be eliminated
Data Source
AI summary
A display panel and a display device are disclosed in the present disclosure. The display panel may include an active area and a non-active area located at a periphery of the active area. The active area may be provided with a plurality of signal lines. The non-active area may be provided with a plurality of conductive pads and a plurality of electrostatic discharge bodies. An end of each electrostatic discharge body may be connected to the active area via a corresponding signal line. The each electrostatic discharge body may be at least partially overlapped by and connected to a corresponding conductive pad.