Vertical Display Panel Bending Test Device
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Solution Overview
Problem
Large display panels tend to sag due to their own weight when horizontally placed during bending strength tests, affecting the accuracy of test results.
Innovation Solution
A method and device for performing a bending test on display panels by fixing them vertically using a fixing member with a space for deformation, and using a pressure exerting member driven perpendicular to the panel to apply a predetermined pressure for a set time to achieve a specific curvature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the display panel is horizontally placed on the test device for testing, then the test setup is simple and conventional, but the display panel sags due to its own weight which affects the accuracy of the test results
Solution Approach 1:
The patent inverts the conventional horizontal placement of the display panel during bending tests to a vertical placement. By changing the orientation from horizontal to vertical, the display panel no longer sags under its own weight, thereby eliminating the source of measurement error while maintaining a relatively simple test setup configuration.
2Measurement precision
If the display panel is fixed vertically onto the fixing member, then sagging is prevented and test accuracy is improved, but the fixing and testing mechanism becomes more complex
Solution Approach 1:
The patent transitions the display panel from a horizontal plane to a vertical plane by fixing it upright on the fixing member. This dimensional change allows the panel to be supported in a configuration where gravity acts perpendicular to the panel surface rather than causing sagging along the horizontal span, thereby improving measurement precision while adding only moderate complexity to the fixing mechanism.
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
This approach prevents sagging and ensures accurate test results by maintaining the display panel's vertical position and applying controlled pressure for deformation, accommodating various panel sizes and types.
Implementation Method 1
driving the pressure exerting member to move in a direction perpendicular to the display panel to exert a pressure onto the display panel
Implementation Method 2
The predetermined pressure is a pressure required to drive the display panel to deform and reach a predetermined curvature
Data Source
AI summary
A method and device for performing a bending test on a display panel are disclosed. The method includes the steps of: providing a fixing member, a pressure exerting member and a driving device, and forming a space in the fixing member; fixing the display panel vertically onto the fixing member, wherein the display panel matches with the space to provide a corresponding space for deformation of the display panel; and driving the pressure exerting member to move in a direction perpendicular to the display panel to exert a pressure onto the display panel. If the pressure exerted onto the display panel is equal to a predetermined pressure for a predetermined time, the driving device controls the pressure exerting member to stop exerting the pressure onto the display panel. The predetermined pressure is a pressure required to drive the display panel to deform and reach a predetermined curvature.