Foldable Display Hinge Mechanism for Gap-Free Bending Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Folding electronic devices with flexible displays face issues of excessive bending in the bending areas, which can lead to damage and reduce the service life of the displays.
Innovation Solution
A folding mechanism with a base, housing seats, screen supporting plates, and swing arms that allow for controlled rotation and sliding movements, creating an expanded space for the bending area during folding to prevent excessive squeezing and provide a stable, gap-free closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the folding mechanism uses a simple hinge connection, then the device complexity is reduced, but the bending area of the flexible display is excessively squeezed leading to damage
Solution Approach 1:
The folding mechanism is divided into multiple swing arms (first swing arm, second swing arm, third swing arm, fourth swing arm) that work together to control the folding motion. Each swing arm is rotatably connected to specific components, creating a segmented structure that distributes the bending stress and prevents excessive squeezing of the flexible display bending area.
Solution Approach 2:
The screen supporting plates act as intermediary elements between the housing seats and the flexible display. These plates are rotatably connected to the swing arms and provide a buffer zone that prevents direct transmission of excessive bending forces to the flexible display, thereby protecting it while enabling folding motion.
2Ease of operation
If the folding mechanism allows free rotation, then the ease of operation is improved, but the housing seats may rotate excessively causing misalignment
Solution Approach 1:
The rotating portions are designed with rotation limits that change the operational parameters of the housing seats. The first and second housing seats can rotate relative to the base within specific angular ranges, allowing easy folding operation while preventing excessive rotation that would cause misalignment. This is achieved through the geometric constraints of the swing arm connections and rotating portion designs.
Data Source
AI summary
This application discloses a folding mechanism and an electronic device. The folding mechanism includes a base, a first housing seat, a second housing seat, a first screen supporting plate, a second screen supporting plate, and a hinge mechanism. The first housing seat and the second housing seat are both rotatably connected to the base by means of the hinge mechanism, the first housing seat is rotatably arranged on the first screen supporting plate, and the second housing seat is rotatably arranged on the second screen supporting plate. First rotating portions and second rotating portions, distributed in an extension direction of the base, are respectively arranged at first ends of a first swing arm and a second swing arm.