Rollable Display Guide Bar for Compact, Expandable Content Viewing
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Solution Overview
Problem
Existing display devices with rollable displays lack a user-friendly interface that effectively utilizes the expandable or retractable nature of the display unit, leading to suboptimal user experience and interaction.
Innovation Solution
A display device with a rotatable guide bar that allows the display unit to be withdrawn or inserted into the housing, controlled by a controller to manage content display across multiple regions, enabling seamless expansion or contraction of the display area based on user commands or content requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the display unit is made rollable and retractable into the housing, then the device compactness is improved, but the user interface convenience deteriorates
Solution Approach 1:
The display unit transitions from a static fixed screen to a dynamic rollable display that can change its extended state based on operational needs. The display unit is rolled out when user interaction is needed and retracted when compactness is prioritized, making the interface adaptive rather than fixed
Solution Approach 2:
The display unit is nested within the housing in a retracted state, similar to a doll within a doll. When not in use, the display unit is rolled into the housing body, creating a compact form factor. When needed, it unrolls outward to provide full display functionality
2Area of moving object
If the display unit is extended to provide larger display area, then the content display capability is improved, but the device structure complexity increases
Solution Approach 1:
The display system is segmented into the display unit itself and the guide bar mechanism. The guide bar acts as a separate structural element that guides the rolling motion, allowing the display unit to be divided into functional components that can be manufactured and assembled independently
Solution Approach 2:
The guide bar serves as an intermediary component between the housing and the display unit. It mediates the rolling motion by providing a guided path, reducing the complexity of direct integration between the display unit and housing while ensuring smooth extension and retraction
Data Source
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AI summary
A display device including a housing; a display unit; a rotatable guide bar accommodated in the housing and configured to withdraw the display unit from the housing or insert the display unit into the housing; and a controller configured to display first content in a first region of the display unit withdrawn from the housing, in response to a second-content display command, withdraw the display unit to add a second region, and display second content in the second region.