Flexible Display Module Electrostatic Shielding for Speaker Holes

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Flexible display panels and circuits in electronic devices are prone to damage from static electricity introduced through gaps between the flexible display module and the housing, particularly through speaker holes in the cover window.

Innovation Solution

A flexible display module with an electrostatic shielding member covering the panel bending portion of the flexible display panel, connected with a flexible circuit board, and integrated into an electronic device to prevent static electricity damage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the flexible display module is integrated into the housing with speaker holes in the cover window, then the electronic device achieves multimedia functionality and compact structure, but the flexible display panel and circuits become vulnerable to static electricity damage through the speaker holes

Engineering Contradiction:

Improvemultimedia functionalityVSAvoidstatic electricity resistance

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

An electrostatic shielding member is introduced as an intermediary component between the flexible display panel and the external environment. This shielding member covers the speaker holes and conducts static electricity to ground, preventing direct contact between static electricity and the flexible display panel while maintaining speaker functionality.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The electrostatic shielding member is positioned in advance to block and redirect static electricity before it can reach the flexible display panel. By establishing this protective barrier beforehand, the patent prevents static electricity damage proactively rather than reacting after damage occurs.

Inventive Principle:

Principle #9Preliminary anti-action

2Shape

If the flexible display panel is bent to reduce bezel width, then the electronic device achieves a more compact and modern design, but the bending portion becomes susceptible to static electricity damage

Engineering Contradiction:

Improvebezel widthVSAvoidpanel bending portion durability

Core Design Contradiction:

ShapeVSReliability

Solution Approach 1:

The electrostatic shielding member acts as a protective intermediary that specifically covers the panel bending portion. This shielding member conducts static electricity away from the vulnerable bending area and surrounding circuits, protecting the flexible display panel while maintaining the desired bent shape for reduced bezel width.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Adaptability or versatility

If speaker holes are provided in the cover window, then the electronic device achieves audio output functionality, but static electricity can be introduced through these holes to damage the flexible display panel

Engineering Contradiction:

Improveaudio output functionalityVSAvoidstatic electricity introduction

Core Design Contradiction:

Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The electrostatic shielding member is positioned to cover the speaker holes while allowing audio signals to pass through. This intermediary component blocks static electricity from entering through the speaker holes while maintaining audio output functionality, effectively separating the electrical protection function from the audio transmission function.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The electrostatic shielding member is strategically positioned only at the speaker hole locations and panel bending portion where static electricity damage is most likely to occur. This localized protection approach maintains audio functionality in other areas while providing targeted protection against static electricity introduction.

Inventive Principle:

Principle #3Local quality

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

The solution effectively minimizes or prevents damage to the flexible display panel and its surrounding circuits from static electricity, enhancing the reliability and durability of the electronic device.

Implementation Method 1

an electrostatic shielding member configured to cover the panel bending portion of the flexible display panel

Methodology Applied

Scientific EffectElectrostatic shielding: Faraday Cage

Data Source

PatentUS20250031354A1Flexible display module and electronic device comprising the same

Publication Date: 2025.01.23 LG DISPLAY CO LTD

AI summary

A flexible display apparatus can include a flexible display panel including a display portion, a bending portion and a pad portion, a shielding member covering the bending portion of the flexible display panel, a first back plate configured to support at least a portion of the flexible display panel, a second back plate configured to support at least another portion of the flexible display panel, a bending maintenance member disposed between the first back plate and the second back plate, and a conductive heat dissipating portion disposed between the first back plate and the second back plate. Also, the conductive heat dissipating portion can include a heat dissipating member, a cushion member attached to the heat dissipating member, and an adhesion member attached to the cushion member.