Foldable Display Gimbal Stabilization for Handheld Devices
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Solution Overview
Problem
Handheld touch screen devices face challenges with precise physical interaction and limited viewing capacity due to their small size, and the rigid nature of standard displays hinders portability and stability during tasks like photography or video recording.
Innovation Solution
A foldable touch screen display device with flexible or tiled segments and a gimbal stabilization system that allows automatic rotation of display segments and cameras, maintaining one segment's position while the other rotates freely, using actuators, encoders, and sensors for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the device uses a rigid standard touch screen display, then the structural stability is improved, but the portability and flexibility are worsened
Solution Approach 1:
The patent implements a foldable display mechanism that transitions the device between rigid and flexible states. The display can be folded into different configurations (tablet mode, phone mode, tent mode) allowing the device to adapt its structural rigidity based on usage requirements, thereby resolving the contradiction between structural stability and portability flexibility.
Solution Approach 2:
The display is divided into multiple foldable segments that can be independently positioned. This segmentation allows different portions of the device to serve different functions - when folded, the device becomes compact and portable; when unfolded, it provides a stable large-screen surface for various applications.
2Area of stationary object
If the device is made in a larger size range for better viewing capacity, then the viewing capacity is improved, but the portability and handheld convenience are worsened
Solution Approach 1:
The foldable mechanism enables the device to dynamically change its effective size. When fully unfolded, it provides a large viewing area comparable to a tablet; when folded into phone mode, it becomes compact and easy to hold. This dynamic size adjustment resolves the contradiction between viewing capacity and handheld convenience.
Solution Approach 2:
By segmenting the display into foldable sections, the device can present a large total area when needed while maintaining a compact form factor for portability. The segmented structure allows the large screen to be folded into a small package, eliminating the need to choose between size and portability.
3Adaptability or versatility
If the device includes a hinge mechanism for folding, then the adaptability is improved, but the stability during photography and video recording is worsened
Solution Approach 1:
The patent introduces a gimbal stabilization mechanism as an intermediary system between the hinge and the camera. This gimbal acts as a mediator that compensates for the instability introduced by the hinge, using counterbalancing forces and stabilization algorithms to maintain camera stability during photography and video recording, thereby resolving the contradiction between folding adaptability and photographic stability.
Solution Approach 2:
The gimbal mechanism employs counterbalancing forces to offset the movement and instability caused by the hinge. By using motors and sensors to apply opposing forces, the system counteracts the instability introduced by the foldable structure, maintaining steady camera positioning during capture operations.
4Ease of operation
If the device uses a small-scale touch screen, then the portability is improved, but the precision of physical interaction is worsened
Solution Approach 1:
The foldable mechanism allows the device to expand its interaction surface when needed. During typing or precise manipulation tasks, the user can unfold the device to access a larger keyboard and more screen real estate, improving precision while maintaining portability when the device is folded, thus resolving the contradiction between portability and interaction precision.
Data Source
AI summary
A foldable touch screen display device made up of flexible or tiled display segments that can be folded from a compact state to an expanded state which also includes a gimbal stabilization system. The form factor of the compact state is roughly the size of a typical handheld phone or smaller. The form factor of the expanded state is roughly the size of a larger phone or tablet computer, which may also include the mechanical functionality of a laptop. The device form factor may also be a flip phone configuration. Both folded states may include an integrated speaker and microphone. The gimbal stabilization system can automatically rotate one or both display segments using an actuator such that at least one display segment can remain in the same position independent of the movement of the other display segment. The device may further include sensors to indicate the required position of at least one of the display segments. In one embodiment, a module attached to, situated within, or otherwise associated with at least one segment of the flexible display or rigid display may contain all or substantially all processing and memory, along with a communications system, which may be used in any folded state.