Flexible Display Device With Sliding Case Assembly
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Solution Overview
Problem
Traditional flexible display devices face challenges with large space occupation, limited portability, structural complexity, and vulnerability to stress damage when folded or rolled, due to their rigid design and limited bending radius.
Innovation Solution
A flexible display device with a movable case assembly that allows the flexible display panel to adjust its dimensions by sliding between two cases with complementary tooth-shaped structures, enabling transformation between small, medium, and large display sizes while preventing damage through a pivoted assembly and container cavity mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the flexible display device uses a rigid design with fixed dimensions, then the structural stability is improved, but the adaptability and portability deteriorate
Solution Approach 1:
The patent implements a dynamic dimension adjustment mechanism where the first and second cases can slide relative to each other along a sliding direction, allowing the display device to transform between extended and retracted states. This dynamic structure enables the device to adapt its dimensions while maintaining structural stability through guided motion paths and complementary tooth-shaped compensation structures.
Solution Approach 2:
The display device is divided into separable components including a first case, a second case, and a flexible display panel that can move independently between them. The cases are structured with complementary tooth-shaped compensation structures that allow relative movement while maintaining connection, enabling the system to adjust dimensions without compromising overall structural integrity.
2Area of moving object
If the flexible display panel is made larger to increase display area, then the display area is improved, but the volume and portability deteriorate
Solution Approach 1:
The patent utilizes the sliding direction as an additional dimension for dimension adjustment. By moving the second case along the sliding direction relative to the first case, the display area can be expanded or reduced without significantly increasing the base volume of the device. The flexible display panel is configured to extend in the sliding direction, allowing area adjustment through linear motion rather than volumetric expansion.
Solution Approach 2:
The display device transitions from a static fixed-dimension design to a dynamic adjustable-dimension design. The flexible display panel can be extended or retracted by sliding the cases relative to each other, allowing the display area to adapt to different usage scenarios while maintaining a compact form factor when retracted, thus improving portability without sacrificing maximum display area capability.
3Adaptability or versatility
If the flexible display panel is folded or rolled to reduce size, then the portability is improved, but the panel is vulnerable to stress damage
Solution Approach 1:
The patent extracts the flexible display panel from a rigid fixed-position mounting and allows it to move independently between the first and second cases. The panel is configured to extend from one case through a pivoted assembly to the other case, creating a buffer zone that absorbs dimensional changes without transmitting stress to the panel itself, thereby protecting panel reliability while enabling portability.
Solution Approach 2:
The pivoted assembly acts as an intermediary mechanism between the cases and the flexible display panel. It provides a controlled path for panel movement and absorbs dimensional changes through its pivoting action, preventing direct transmission of stress to the panel during extension and retraction operations, thus protecting the panel from damage while enabling portable form factor adjustments.
4Adaptability or versatility
If the flexible display device uses a movable case assembly with sliding mechanisms, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The patent employs asymmetric complementary tooth-shaped compensation structures on the first and second cases. These structures are designed with interlocking teeth that guide the sliding motion in one primary direction while providing structural support. The asymmetric design allows for controlled relative movement between cases without requiring complex bidirectional mechanisms, reducing overall device complexity while maintaining adaptability.
5Adaptability or versatility
If the flexible display device allows dimensional changes, then the adaptability is improved, but the structural stability deteriorates
Solution Approach 1:
The patent implements a dynamic structure where the first and second cases can slide relative to each other along a defined sliding direction. This controlled dynamic movement allows dimensional changes while maintaining structural stability through guided motion paths and interlocking compensation structures that prevent lateral instability during extension and retraction operations.
Solution Approach 2:
The complementary tooth-shaped compensation structures are pre-configured on the cases to guide and constrain the sliding motion. These structures are designed in advance to interlock and provide stability during dimensional changes, preventing structural instability before it can occur during the extension or retraction process.
Data Source
AI summary
The disclosure provides a flexible display device using a flexible display panel equipped with a movable case assembly. The moving case assembly can move and drive the flexible display panel to form a display device with adjustable panel dimensions. When two cases constituting the case assembly slide relatively, a dimension of a front display area of the flexible display device change. Displacement of the sliding flexible display device may compensate the dimensional change of the flexible display panel on a surface of the flexible display device.