Flexible Screen Bending Test via Movable Fixing Device

Solution Overview

Problem

Traditional methods for bending tests of flexible screens are complex and costly, involving drum-type devices that require multiple components and complex operations to assess bending performance effectively.

Innovation Solution

A method and system that connect a flexible screen to a fixing device to form two connection ends, allowing the fixing device to change the distance between these ends for an extrusion test, simulating operational environments and reducing testing costs by using a simpler setup.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If drum-type devices are used for bending tests, then bending performance can be assessed, but device complexity and testing cost increase

Engineering Contradiction:

Improvebending performance assessmentVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the essential function of bending testing from the complex drum-type device system. Instead of using multiple drums and drawing devices, the invention uses a single movable fixing device that can be positioned at different locations along the flexible screen to create bending moments, thereby isolating and performing only the core bending test function without unnecessary auxiliary components.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces expensive, complex drum-type testing equipment with a simpler, more cost-effective fixing device that can be moved along the flexible screen. This simpler device achieves the same bending test objective without requiring multiple drums, drawing mechanisms, or complex transmission systems, thereby reducing both device complexity and testing cost.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

2Reliability

If drum-type devices are used for bending tests, then bending performance can be assessed, but testing cost increases

Engineering Contradiction:

Improvebending performance assessmentVSAvoidtesting cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent extracts the essential function of bending testing from the complex drum-type device system. Instead of using multiple drums and drawing devices, the invention uses a single movable fixing device that can be positioned at different locations along the flexible screen to create bending moments, thereby isolating and performing only the core bending test function without unnecessary auxiliary components.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces expensive, complex drum-type testing equipment with a simpler, more cost-effective fixing device that can be moved along the flexible screen. This simpler device achieves the same bending test objective without requiring multiple drums, drawing mechanisms, or complex transmission systems, thereby reducing both device complexity and testing cost.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Shape

If multiple drums are used to transmit the flexible screen, then bending can be achieved, but operation complexity increases

Engineering Contradiction:

ImprovebendingVSAvoidoperation complexity

Core Design Contradiction:

ShapeVSEase of operation

Solution Approach 1:

The patent extracts the essential function of bending testing from the complex drum-type device system. Instead of using multiple drums and drawing devices, the invention uses a single movable fixing device that can be positioned at different locations along the flexible screen to create bending moments, thereby isolating and performing only the core bending test function without unnecessary auxiliary components.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using multiple drums to transmit and bend the flexible screen through complex mechanical transmission, the invention inverts the approach by using a single fixing device that is moved along the screen to create bending moments at different positions. This reverses the traditional methodology and achieves the same bending effect with simpler operation.

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentEP3086107B1Flexible screen bend test method and system

Publication Date: 2020.07.22 KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO LTD

Figure 1~2A
Figure 2B~2C
Figure 3A~3B

AI summary

A method for bending test of a flexible screen is disclosed, including: connecting the flexible screen to a fixing device to form two connection ends; and conducting an extrusion test to the flexible screen, including moving the fixing device to change the distance between the connection ends of the fixing device so that the distance is less than or equal to the length of the flexible screen between the two connection ends. A system for bending test of a flexible screen is also disclosed. The above method and system for bending test of a flexible screen, which can simulate an operational environment of the flexible screen by moving the fixing device to conduct an extrusion test to the flexible screen, can reduce testing costs compared with the traditional methods and apparatuses for bending test of a flexible screen.