Display Back Plate Grounding Structure for Static Discharge
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Solution Overview
Problem
Electrostatic accumulation on the back plate of display devices leads to damage and affects the normal display function, which is not adequately addressed by current technologies.
Innovation Solution
A display device design that includes conductive layers and members to conduct static electricity generated on the back plate to a conductor support member for discharge, utilizing conductive adhesives and openings in intermediate support members to facilitate electrical connections and grounding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a back plate is provided to support the display panel, then the structural strength is improved, but electrostatic accumulation occurs on the back plate causing damage to the display panel
Solution Approach 1:
The patent applies the principle of converting harm into benefit by transforming the harmful electrostatic charge accumulation on the back plate into a beneficial electrostatic discharge mechanism. A conductive layer is provided on the back plate surface, connected to a conductive member that extends through an opening in the intermediate support member to a conductive cap. This structure enables the electrostatic charge to be safely discharged through the conductive path, converting the harmful electrostatic accumulation into a controlled discharge process that protects the display panel from electrostatic damage while maintaining the back plate's structural support function
2Object-affected harmful factors
If the back plate is made conductive to dissipate static electricity, then electrostatic accumulation is reduced, but the device complexity increases due to additional conductive layers and components
Solution Approach 1:
The patent applies segmentation by dividing the electrostatic discharge function into multiple discrete components: a conductive layer on the back plate surface, a conductive member extending through the intermediate support member, and a conductive cap at the opening. This segmented approach allows each component to perform a specific function while collectively achieving electrostatic dissipation, making the system easier to manufacture and assemble compared to a fully integrated conductive structure
Solution Approach 2:
The conductive member serves as an intermediary element that bridges the conductive layer on the back plate and the conductive cap at the opening. This intermediary structure provides a controlled path for electrostatic discharge, isolating the conductive elements from direct contact with the display panel while still enabling charge dissipation, thus reducing device complexity compared to making the entire back plate conductive
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
Effectively alleviates electrostatic accumulation, enhancing the reliability and display quality by ensuring static electricity is dissipated, thereby improving the overall performance of the display device.
Implementation Method 1
one end of the first conductive member is in electrical contact with the first conductive layer, and another end of the first conductive member is in electrical contact with the conductor support member
Data Source
AI summary
The present application provides a display device including a display panel; a back plate disposed on an opposite side of the light-exiting surface of the display panel; an intermediate support member disposed on a side of the back plate away from the display panel; and a conductor support member disposed on a side of the intermediate support member away from the back plate, wherein the intermediate support member is provided with an opening, and a conductive member is disposed in the opening, and wherein opposite ends of the first conductive member are in electrical contact with the conductive layer and the conductive member, respectively.