Grooved Support Plate for Lightweight Flexible Display Assemblies
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Solution Overview
Problem
Bendable protective cover plates in electronic devices have poor impact resistance due to their small thickness, leading to increased weight when support plates are added for protection, which in turn increases the overall weight of the device.
Innovation Solution
A support plate design with grooves on the non-light-exit side of the display panel, where the grooves have a depth less than the thickness of the plane part, reducing weight while maintaining impact resistance, and incorporating adsorption sub-parts to facilitate module handling and prevent air leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a support plate is added to protect the flexible screen, then impact resistance is improved, but weight increases
Solution Approach 1:
The support plate incorporates grooves that create a porous-like structure, reducing material density while maintaining structural integrity. The grooves remove unnecessary material from areas that don't require full support, achieving weight reduction without compromising impact resistance in critical areas.
Solution Approach 2:
The support plate is segmented into a plane part and a groove part, with the groove part containing multiple grooves. This segmentation allows different regions of the support plate to have different functions: the plane part provides overall support while the groove part reduces weight, resolving the contradiction between protection and weight.
2Adaptability or versatility
If the protective cover plate is made thin for bendability, then flexibility is improved, but impact resistance deteriorates
Solution Approach 1:
The display assembly uses a composite structure combining a thin flexible protective cover plate with a support plate that has grooves. The thin cover plate maintains bendability while the support plate with grooves provides impact resistance, allowing both flexibility and protection to coexist without requiring the cover plate itself to be thick.
Data Source
AI summary
A display assembly includes a display panel and a support plate. The support plate is disposed on a non-light-exit side of the display panel, and the support plate includes at least one first part, and the first part is flat. The first part includes a plane part and a groove part connected to each other, a plurality of grooves are disposed on a side, away from the display panel, of the groove part, and a depth of the groove is less than a thickness of the plane part in a thickness direction of the display panel. The display assembly and electronic device are configured to display an image.