Foldable Display Hinge Mechanism for Adjustable Viewing Angles
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Solution Overview
Problem
Conventional foldable portable terminals have limitations in user convenience due to their fixed display orientation, making it inconvenient for multimedia services like digital broadcasts and video files, as they are designed primarily for communication functions.
Innovation Solution
A foldable display device with a hinge mechanism that allows for the adjustment of inclination angles from acute to obtuse, enabling flexible operation modes and maintaining the adjusted angle temporarily, enhancing user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display part is designed with a vertically long shape suitable for communication functions, then the device structure is simple and easy to manufacture, but it is inconvenient for viewing multimedia content such as digital broadcasts and video files
Solution Approach 1:
The hinge device enables the display part to dynamically change its orientation from a fixed vertical state to multiple adjustable angles (including horizontal and intermediate positions). This dynamic capability allows the display to adapt to different usage scenarios such as viewing digital broadcasts or video files horizontally, or using it vertically for communication functions, thereby resolving the contradiction between adaptability and device complexity
Solution Approach 2:
The hinge mechanism integrates multiple functions into a single device structure: it maintains the original communication function with vertical display orientation while adding multimedia viewing capability with horizontal and intermediate orientations. This multi-functionality approach allows one device to serve both communication and entertainment purposes without requiring separate devices
2Ease of operation
If the hinge device allows free rotation for multimedia services, then user convenience is improved, but the structural stability of the device may be compromised
Solution Approach 1:
The hinge device changes the rotational parameter from completely free rotation to controlled rotation at specific angles. The mechanism allows rotation to predetermined positions (horizontal, vertical, and intermediate angles) while preventing arbitrary positioning. This parameter control maintains structural stability by limiting stress on the hinge mechanism while still providing user convenience through multiple stable viewing orientations
3Adaptability or versatility
If the display is fixed in a vertical orientation, then the device structure is simple and stable, but it cannot accommodate various usage scenarios such as multimedia viewing
Solution Approach 1:
The hinge mechanism transforms the static vertical display into a dynamic system that can be adjusted to multiple orientations. Users can conveniently rotate the display to horizontal position for multimedia viewing, maintain vertical position for communication, or use intermediate angles for comfortable viewing, thereby significantly improving ease of operation and adaptability to various usage scenarios
Data Source
AI summary
Disclosed is a foldable display device. According to an embodiment of the present invention, the foldable display device includes a first body and a second body that are formed in the same shape as a plate and are arranged symmetrically with each other, and a hinge device assembled to connect the first body and the second body to each other, such that the hinge device rotates within an opened state range where the first and second bodies are placed on the same plane and within a closed state range where the first and second bodies overlap each other.