Flexible Display Screen Expansion Indicators
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Solution Overview
Problem
Flexible display devices face inconvenience in use due to fixed display areas, which restrict their ability to adapt to varying user needs and environments, such as being rolled or expanded, without efficient indicators for content management.
Innovation Solution
A flexible display device equipped with a sensing unit to detect screen size changes and a control unit that displays indicators for expansion or reduction, allowing users to easily manage content display on a rollable or stretchable screen by showing expansion guides, remaining content information, and icons for enlargement or reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display area is fixed, then the device structure is simple, but the adaptability to user needs and environments is poor
Solution Approach 1:
The display device transitions from a fixed display area to a dynamic, adjustable display area. The screen can be expanded or reduced in size according to user needs, transforming the static structure into a dynamic one that adapts to different usage scenarios while maintaining reasonable structural complexity through controlled expansion mechanisms.
Solution Approach 2:
The display area parameter is made variable rather than fixed. By changing the display area size parameter according to user requests, the device achieves high adaptability without requiring complete structural redesign, only adjusting the extent of expansion or reduction.
2Loss of information
If the screen is expanded to display more content, then the information display capability is improved, but the device size and portability are reduced
Solution Approach 1:
The display device employs dynamic size adjustment, allowing the screen to expand when more content needs to be displayed and reduce back to a compact form when portability is needed. This dynamic characteristic resolves the contradiction by making the device size variable rather than permanently large.
Solution Approach 2:
The expanded display structure can be nested or folded back into a compact form, similar to a nested doll structure. When not in use or when portability is required, the expanded display areas can be reduced and stored within a smaller form factor, maintaining both large display capability and portability.
3Ease of operation
If indicators for expansion degree and remaining content are displayed, then the ease of operation is improved, but the screen area available for main content is reduced
Solution Approach 1:
The indicators for expansion degree and remaining content are displayed in specific local areas of the screen rather than occupying the entire display area. By placing these operational indicators in corner regions or edge areas, the main content display area is preserved while still providing necessary operational information to the user.
Solution Approach 2:
The indicators serve as intermediary elements that mediate between the user's expansion actions and the actual display content. These indicators provide feedback about the expansion state without directly interfering with the main content display, acting as a communication bridge that enhances operability while minimizing impact on content area.
Data Source
AI summary
A flexible display device that includes a display unit to display content information on a screen, wherein the screen can be expandable or reducible; a sensing unit to detect a size of the screen; and a control unit to display at least one of a first indicator for indicating a degree to which the screen of the display unit is expandable and a second indicator for indicating an amount of remaining content information.