Bending Test Apparatus for Flexible Displays
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Solution Overview
Problem
There is a need for an apparatus and method to test the reliability and durability of flexible devices against bending stress, as existing methods are inadequate in assessing the bending characteristics of flexible displays, substrates, and devices without incurring high facility manufacturing and maintenance costs.
Innovation Solution
A bending test apparatus comprising a jig with rotating supporting members, shafts, and sliding members that allow for various bending tests by simulating different folding states of a flexible display panel, reducing costs through efficient design and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bending test apparatus is developed to test flexible devices, then the ability to assess bending characteristics and durability is improved, but facility manufacturing and maintenance costs increase
Solution Approach 1:
The bending test apparatus is divided into multiple independent supporting members (first, second, and third supporting members) that can be separately manufactured and assembled. Each supporting member is connected through rotatable joints, allowing modular construction that reduces overall manufacturing complexity and cost while maintaining the capability to perform various bending tests on flexible devices
Solution Approach 2:
The apparatus uses a universal jig structure with multiple supporting members that can test various types of flexible devices (flexible displays, substrates, and complete devices) through different bending configurations. The rotatable connections allow the same apparatus to perform multiple bending test modes, eliminating the need for separate specialized equipment for each device type
2Reliability
If a bending test apparatus is developed to test flexible devices, then the ability to assess bending characteristics and durability is improved, but maintenance costs increase
Solution Approach 1:
The apparatus is segmented into independent supporting members connected by rotatable joints, allowing individual components to be maintained or repaired without affecting the entire system. This modular design reduces maintenance costs by enabling targeted repairs rather than system-wide overhauls
Solution Approach 2:
The rotatable connections between supporting members allow for easy manual adjustment and reconfiguration of the apparatus for different test scenarios. This self-adjusting capability reduces the need for complex maintenance procedures and specialized service personnel, thereby lowering ongoing maintenance costs
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 apparatus enables comprehensive bending tests, reducing facility and maintenance costs while effectively assessing the durability of flexible devices under various bending conditions.
Implementation Method 1
a shaft member including a first shaft, a second shaft, and a third shaft, wherein the first shaft, the second shaft, and the third shaft extend in a second direction intersecting the first direction, and are respectively connected to the first supporting member, the second supporting member, and the third supporting member
Implementation Method 2
a driving member connected to the first shaft and providing a rotation force to the first shaft
Data Source
AI summary
A bending test apparatus includes a jig including first to third supporting members arranged in a first direction; a shaft member including a first shaft, a second shaft, and a third shaft extending in a second direction intersecting the first direction and respectively connected to the first to third supporting members; a driving member connected to the first shaft and providing a rotation force to the first shaft; a sliding member including a first slider and a second slider respectively connected to the second shaft and the third shaft; and a rail member extending in the first direction and guiding movements of the first slider and the second slider. When the first shaft rotates the first supporting member in a first rotation direction, the second and third supporting members rotate in a second rotation direction opposite to the first rotation direction.