Fiber-Oriented Support Member for Flexible Display Bending Recovery

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Solution Overview

Problem

Flexible display screens face issues with poor bending resistance, impact resistance, and display quality due to their lightweight and thin nature, necessitating improved support structures.

Innovation Solution

A support member composed of stacked layers with dispersed fibers, where the fiber directions in each layer form angles greater than 0 degrees, enhancing resistance to tension and compression, and incorporating a non-metallic design for better heat dissipation and reduced weight.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Weight of moving object

If flexible display screens are made lightweight and thin, then portability and flexibility are improved, but bending resistance and impact resistance deteriorate

Engineering Contradiction:
Improveweight of display screenVSAvoidbending resistance
Core Design Contradiction:
Weight of moving objectVSStrength

Solution Approach 1:

The patent employs a composite support plate comprising a base plate and multiple reinforcement plates layered at different orientations. This composite structure combines materials with different mechanical properties to achieve both light weight and high bending resistance, resolving the contradiction between lightweight design and structural strength.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent transitions from a single-plane support structure to a multi-layered three-dimensional structure. By stacking reinforcement plates at different angles (e.g., 0°, 45°, 90°) on the base plate, the support system gains enhanced resistance to bending forces from multiple directions while maintaining overall轻薄ness.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Weight of moving object

If flexible display screens are made lightweight and thin, then portability is improved, but impact resistance deteriorates

Engineering Contradiction:
Improveweight of display screenVSAvoidimpact resistance
Core Design Contradiction:
Weight of moving objectVSReliability

Solution Approach 1:

The multi-material composite support plate combines base plate material with reinforcement plate material, creating a structure that absorbs and distributes impact forces more effectively than a single-material structure of equivalent weight, thereby improving impact resistance without sacrificing portability.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The layered arrangement of reinforcement plates at different orientations creates a three-dimensional load-bearing structure that dissipates impact energy through multiple layers and angles, enhancing impact resistance while keeping the overall structure lightweight.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Strength

If support structure is added to improve bending resistance, then structural integrity is improved, but device complexity increases

Engineering Contradiction:
Improvebending resistanceVSAvoidstructure complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The support plate is segmented into a base plate and multiple discrete reinforcement plates. This segmentation allows for modular manufacturing and assembly, where each layer can be produced independently and then combined, reducing overall manufacturing complexity while achieving the desired structural integrity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The reinforcement plates serve multiple functions: they provide bending resistance, enable heat dissipation through their conductive material, and can be oriented at different angles to address various stress directions. This multi-functionality reduces the need for separate components, thereby reducing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Strength

If metal support plates are used to improve strength, then bending resistance is improved, but heat dissipation and electrical signal interference worsen

Engineering Contradiction:
Improvebending resistanceVSAvoidheat dissipation
Core Design Contradiction:
StrengthVSTemperature

Solution Approach 1:

The patent changes the material parameter of the support plate from traditional metal to a composite structure incorporating materials with superior thermal conductivity. This parameter change enables effective heat dissipation while maintaining or improving mechanical strength, and the non-magnetic properties prevent electrical signal interference.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS12615955B2Support member, display module and display apparatus
Publication Date: 2026.04.28 HUBEI YANGTZE IND INNOVAION CENT OF ADVANCED DISPLAY CO LTD
  • US12615955B2 patent drawing
  • US12615955B2 patent drawing
  • US12615955B2 patent drawing

AI summary

A support member including at least one first layer and a second layer that are stacked along a thickness direction of the support member. Each of the at least one first layer and the second layer includes a matrix and fibers. The fibers in the matrix are dispersed in the matrix. On a plane parallel to a surface of the support member, an angle α formed between an extending direction of the fiber in the first layer and an extending direction of the fiber in the second layer satisfies α>0°.