Flexible Display Housing with Movable Foreign-Substance Barrier
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Solution Overview
Problem
Flexible displays in electronic devices are prone to damage due to gaps between the display and the housing, which can introduce foreign substances, potentially damaging the display and other components.
Innovation Solution
An electronic device with a housing structure that includes movable frames and a foreign substance prevention structure, featuring a shaft with a brush member to prevent foreign substances from entering the gaps between the display and the housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible display is made movable with respect to the housing to enable deformation, then adaptability and versatility are improved, but gaps between the display and housing structures are created that allow foreign substances to enter
Solution Approach 1:
A protective film is introduced as an intermediary layer between the flexible display and the housing structures. This film covers the gap between the display and the side wall, preventing foreign substances from entering while allowing the display to move and deform freely. The film acts as a barrier that mediates between the need for display mobility and the need to prevent contamination.
Solution Approach 2:
The protective solution employs a flexible film that can accommodate the movement and deformation of the flexible display. This thin film structure maintains protection against foreign substances while being compliant enough to allow the display to bend, fold, or extend without restriction.
2Ease of operation
If the flexible display is allowed to move freely for deformation, then ease of operation is improved, but the display and other components become vulnerable to damage from foreign substances
Solution Approach 1:
The protective film serves as a mediator that enables the display to move freely for operation while simultaneously providing protection. The film is positioned to cover potential entry points for foreign substances without restricting the display's mobility, thus maintaining both ease of operation and reliability.
Solution Approach 2:
The protective film is installed beforehand to prevent foreign substances from entering the device. This prior protection measure ensures that the display and internal components are shielded from potential damage before any harmful factors can cause harm, while still allowing full operational freedom.
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
In an embodiment, an electronic device comprises: a housing comprising a first frame including a first sidewall constituting at least a side surface of the electronic device in a first direction, and a second frame including a second sidewall constituting at least a side surface of the electronic device in a second direction opposite to the first direction, wherein the second frame is movably coupled to the first frame in the first direction or the second direction; a flexible display which is disposed in a space surrounded by the first frame and the second frame and is drawn into or drawn out from the inside of the first frame by the movement of the second frame; and a foreignsubstance blocking structure comprising a pad assembled to the first frame and having a portion positioned in a gap between the first frame and the display, and a mechanism configured to move the pad towards the surface of the display.