Elastic Support Net for Flat Flexible Display
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Solution Overview
Problem
Flexible display screens with bendable areas become uneven when unfolded, affecting the display effect and user experience due to inadequate support structures.
Innovation Solution
A display device with a flexible screen and an elastic support net that includes a first end fixed to a support layer in the first display area and a second end that contacts a stop portion in the second display area, allowing the screen to unfold flatly and maintain a straight, flat position through the elasticity of the support net, which is supported by a telescopic rod for enhanced rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible display screen with a bendable area is used to enable folding, then the device becomes portable and easy to carry, but the bendable area becomes uneven when unfolded, affecting the display effect
Solution Approach 1:
The patent uses a flexible display screen with a bendable area that can be folded, while incorporating a support structure with elastic support nets to maintain flatness when unfolded. The flexible screen itself enables the folding capability, and the support structure compensates for the unevenness issue.
Solution Approach 2:
The support structure, particularly the elastic support nets, acts as an intermediary between the flexible display screen and the housing. This intermediary component provides the necessary support to keep the bendable area flat when unfolded, while allowing folding when needed.
2Ease of operation
If the bendable area is made flexible to allow folding, then the device can be folded for portability, but the support structure becomes insufficient, causing unevenness in the bendable area
Solution Approach 1:
The support structure uses elastic support nets that can dynamically adjust their state. When the device is folded, the elastic nets are compressed; when unfolded, they expand to provide support. This dynamic behavior allows the structure to adapt to different states while maintaining reliability.
Solution Approach 2:
The elastic support nets change their physical parameters (length, tension) based on the folding state. When folded, the nets are compressed to a shorter length; when unfolded, they return to their original length, providing the necessary support force to maintain flatness and stability.
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 solution ensures a flat and stable display surface when unfolded, improving the display effect and user experience while allowing the device to be easily folded and carried when needed.
Implementation Method 1
The elastic support net includes a first end and a second end that are disposed oppositely to each other along the first direction. The support layer includes a first stop portion located in the second display area, the first end of the elastic support net is fixed to the support layer in the first display area, and when the display device is fully unfolded, the flexible display screen is fully unfolded, and the elastic support net is loosened and the second end of the elastic support net is in contact with the first stop portion to support the first bendable area.
Data Source
AI summary
A display device, when fully unfolded, has a first display area, a first bendable area, and a second display area along a first direction, the first bendable area connecting the first display area with the second display area. The display device includes: a flexible display screen including a light exiting surface and an opposite light non-exiting surface; a support structure including an elastic support net including first and second ends along the first direction; and a support layer located on a light non-exiting surface side of the flexible display screen and including a first stop portion located in the second display area. The first end is fixed to the support layer in the first display area; and when the flexible display screen is fully unfolded, the elastic support net is loosened and the second end is in contact with the first stop portion to support the first bendable area.