Retractable Flexible Display Cleaning at the Housing Port
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Solution Overview
Problem
Flexible displays in electronic devices are prone to damage from contamination such as particles and liquids due to their fragile nature, which is not effectively addressed by existing technologies.
Innovation Solution
Integration of a cleaning unit within the device that includes a displaceable bar, brush, or cloth to remove contaminants from the display surface, often positioned near the port of entry/exit to prevent penetration and enhance durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning methods are used for the flexible display, then cleaning effectiveness is limited, but the device structure remains simple
Solution Approach 1:
The cleaning unit performs cleaning action before the display is retracted into the housing, preventing contamination from entering the housing interior. The displaceable bar with cleaning elements (cloth or brush) contacts the display surface at the port opening to remove particles and liquids before they can penetrate into the device
Solution Approach 2:
The cleaning unit is integrated into the housing structure itself, utilizing the existing port opening and housing features to provide cleaning functionality without requiring external cleaning devices or manual intervention. The system cleans itself during normal operation cycles
2Reliability
If the cleaning unit contacts the display surface with pressure, then cleaning effectiveness improves, but the fragile display may be damaged
Solution Approach 1:
The cleaning elements (cloth or brush) are specifically selected with appropriate softness and cleaning properties to match the fragile nature of the flexible display surface. The cleaning unit provides localized gentle cleaning action only where needed at the port opening, avoiding excessive pressure on the display surface while maintaining effective contamination removal
Solution Approach 2:
A cloth or brush intermediate element is introduced between the displaceable bar and the display surface to perform the actual cleaning action. This intermediary soft element removes contaminants through gentle contact and friction rather than direct hard surface contact, preventing display damage while maintaining cleaning effectiveness
Data Source
AI summary
An electronic device is disclosed comprising a housing (1) and a retractable display (3) conceived to he alternated between an at least partially extended state and a retracted state, the device comprising a cleaning unit (6) integrated in the housing and being arranged for removing contamination from at least a front surface of the display. The flexible display (3) can be retracted by sliding the side members (4a, 4b, 4c, 5a, 5b, 5c) into the housing using, for example, a grip (7). Preferably, in the electronic device 10 the display is provided with edge members 8a, 8b for guiding the bar (6).