Foldable Display Connecting Member Filter Components

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Solution Overview

Problem

Foldable display devices face issues with short circuits and display malfunctions due to dust generated during the folding process or entering from the external environment, caused by friction between components and gaps in the connecting mechanism.

Innovation Solution

A foldable display device design featuring a flexible display module, middle frames, and a connecting member with filter components, such as filter meshes and diaphragm type check valves, that communicate with the external environment through an accommodating cavity, preventing dust entry and friction-generated dust from causing malfunctions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the connecting mechanism components move during folding/unfolding, then the foldable display device achieves bendability and portability, but friction between components generates dust that causes short circuits and display malfunction

Engineering Contradiction:

ImprovebendabilityVSAvoiddust generation

Core Design Contradiction:

Adaptability or versatilityVSObject-generated harmful factors

Solution Approach 1:

A dust collection component is introduced as an intermediary element between the connecting mechanism components. This component includes a dust collection cavity and a dust collection outlet, creating a controlled pathway that captures dust particles generated by friction during folding and unfolding operations, preventing them from dispersing into the device interior

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The harmful dust particles are extracted from the system by directing them through a dedicated dust collection outlet away from the device interior. The dust collection component separates dust generation from the functional moving parts, isolating the harmful byproduct in a dedicated collection zone

Inventive Principle:

Principle #2Taking out (Extraction)

2Device complexity

If the internal space is not sealed off, then the device structure remains simple and accessible, but dust from the external environment enters through gaps in the connecting mechanism components

Engineering Contradiction:

Improvestructure simplicityVSAvoiddust entry

Core Design Contradiction:

Device complexityVSObject-affected harmful factors

Solution Approach 1:

A dust shield component is introduced as a protective intermediary between the external environment and the device interior. The dust shield includes a dust shield opening that allows controlled access while blocking dust particles from entering through gaps in the connecting mechanism, creating a selective barrier that maintains structural simplicity while providing protection

Inventive Principle:

Principle #24Intermediary (Mediator)

3Reliability

If filter components are added to prevent dust entry, then dust protection is improved, but the device complexity increases

Engineering Contradiction:

Improvedust protectionVSAvoidcomponent quantity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The dust collection component and dust shield component are merged into an integrated assembly that works together as a unified dust protection system. The dust collection cavity, dust collection outlet, dust shield opening, and connecting mechanism form a cohesive structure that provides comprehensive dust protection without requiring separate independent components for each function

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The dust collection component serves multiple functions: it collects dust generated during folding, provides a controlled outlet for dust removal, and works with the dust shield to prevent external dust entry. This multi-functional design reduces the need for additional specialized components, balancing protection effectiveness with structural efficiency

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 implementation of filter components on the connecting member effectively prevents dust from entering the internal cavity, thereby avoiding short circuits and display malfunctions, ensuring the reliability and functionality of the foldable display device.

Implementation Method 1

filter components are provided on two ends of the connecting member, and an accommodating cavity is formed among the flexible display module, the middle frames and the bottom frame communicating with an external environment through the filter components

Methodology Applied

Scientific EffectFiltration: Filter (physical)

Data Source

PatentUS11457534B2Foldable display device

Publication Date: 2022.09.27 WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO LTD

AI summary

A foldable display device is provided. The foldable display device includes a flexible display module, a bottom frame, middle frames, and a connecting member. Two ends of the connecting member are provided with filter components. An accommodating cavity is formed among the flexible display module, the middle frames and the bottom frame communicating with an external environment through the filter components, so as to prevent the dust generated by the friction of components of the connecting member and the dust entering the accommodating cavity from the external environment, thereby avoiding short circuits and display malfunction of the foldable display device.