Dual-Surface Flexible Display Mobile Terminal Screen Management
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Solution Overview
Problem
The challenge is to design a mobile terminal with a flexible display unit that can stably change its structure, particularly in supporting the display unit on both the front and rear surfaces, while allowing for efficient multitasking by utilizing both screens.
Innovation Solution
The mobile terminal incorporates a body with a first display on one surface and a second display on the other surface, both of which can sense touch inputs. A gyro sensor detects the movement of the body, and a controller manages the displays based on touch inputs, allowing the first screen to be removed from the first display and output on the second display when the body is flipped.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible display unit is used to enable structural deformation and size variation, then the display can be deformed largely to provide versatile form factors, but the support structure becomes problematic and stability of structural change is compromised
Solution Approach 1:
The flexible display unit is divided into multiple display units (first display unit and second display unit) that can be independently controlled. Each display unit has its own touch sensor and controller, allowing independent operation and stability management while maintaining overall flexibility of the system.
Solution Approach 2:
The system dynamically switches between different display units based on the operational state. The controller selectively activates the first or second display unit depending on whether the terminal is in a normal state or a flipped state, enabling adaptive operation that maintains stability during structural changes.
2Adaptability or versatility
If both front and rear surfaces have displays to enable multitasking, then screen expansion and functionality are improved, but device complexity increases
Solution Approach 1:
Both the first display unit on the front surface and the second display unit on the rear surface serve multiple functions. They can independently display content, respond to touch inputs, and operate in various modes (normal mode, flipped mode, multitasking mode), making the system highly versatile while managing complexity through standardized control architecture.
Solution Approach 2:
The controller acts as an intermediary that manages the complexity of coordinating multiple display units. It receives touch inputs from either display unit and appropriately routes control signals to the corresponding display unit, simplifying the user interaction while maintaining system coordination.
3Shape
If the display unit is made flexible to change structure, then size and shape variability are improved, but manufacturing precision and support structure reliability deteriorate
Solution Approach 1:
The flexible display is segmented into multiple independently controllable units with dedicated support structures. This segmentation allows each unit to be manufactured and supported with higher precision individually, while the overall system maintains flexibility and shape variability through the coordinated operation of these modular units.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration enables screen expansion and facilitates multitasking by allowing the screens on the front and rear surfaces to be used in an associated manner, enhancing user interaction and functionality.
Implementation Method 1
a gyro sensor for sensing a movement of the body
Data Source
AI summary
A mobile terminal comprises: a body; a first display which is located on one surface of the body, detects a touch input, and outputs a screen; a second display which is located on the other surface of the body, detects a touch input, and outputs a screen; a gyro sensor for detecting movement of the body; and a control unit for controlling the first display and the second display on the basis of the touch input, wherein the control unit outputs a first screen on the first display, when detecting a first touch input on the first display, removes the first screen from the first display, and, when the gyro sensor detects that the locations of the one surface and the other surface of the body are reversed, outputs the first screen on the second display, wherein the mobile terminal may easily implement multitasking by using displays located on both surfaces thereof.