Speaker Module Pipe Rail for Flexible Display Acoustic Space
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Solution Overview
Problem
Electronic devices with flexible displays face challenges in securing sufficient resonating space for speaker modules due to spatial restrictions, which can compromise acoustic performance and increase device size, hindering portability.
Innovation Solution
An electronic apparatus with a flexible display and a pipe rail system that adjusts acoustic signal pathways based on the expansion or reduction of the screen output area, using a speaker module with a sound emitting hole and vent hole, and a pipe rail that transfers acoustic signals through an inner pipeline to maintain acoustic performance while ensuring portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the resonating space of the speaker module is increased to improve acoustic performance, then the acoustic performance is improved, but the overall size of the electronic apparatus increases, degrading portability
Solution Approach 1:
The pipe rail is made movable relative to the speaker module, allowing the acoustic output path length to be dynamically adjusted based on the expansion state of the flexible display. When the display is expanded, the pipe rail moves to increase the acoustic path length for improved bass response; when the display is reduced, the pipe rail moves to a compact position. This dynamic adjustment enables variable acoustic performance without permanently increasing device volume.
2Volume of moving object
If a flexible display is used to maintain portability, then the device size is reduced, but the resonating space for the speaker module becomes insufficient, compromising acoustic performance
Solution Approach 1:
The pipe rail is configured to move along with the expansion and reduction of the flexible display. When the flexible display is expanded, the pipe rail moves to extend the acoustic output path through the inner pipeline, providing sufficient resonating space and improved acoustic performance. When the flexible display is reduced for portability, the pipe rail retracts to a compact position. This dynamic coupling allows the acoustic system to adapt to the changing available space.
3Reliability
If the acoustic output path is extended to improve acoustic performance, then the resonating space is increased, but the device structure becomes more complex
Solution Approach 1:
The pipe rail with its inner pipeline is nested within the existing device structure, moving along the expansion direction of the flexible display. The acoustic output path is formed by the inner pipeline of the pipe rail, which can be extended or retracted. This nesting approach allows the acoustic system to be integrated into the existing device volume without adding significant structural complexity, as the pipe rail utilizes the space created by the flexible display's expansion.
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
The system allows for adjustable acoustic output paths based on screen expansion, providing improved acoustic performance without additional space, ensuring both large-area display and ease of portability.
Implementation Method 1
a pipe rail fixedly disposed at the second frame. The pipe rail is configured to selectively transfer an acoustic signal output through the vent hole to outside through an inner pipeline based on the movement of the second frame
Data Source
Figure 1
Figure 2A
Figure 2B
AI summary
Disclosed is an electronic apparatus including a first frame, a second frame configured to move relative to the first frame, a flexible display having a screen output area viewable on a front surface of the electronic apparatus to be expanded or reduced based on a movement of the second frame, a speaker module disposed at the first frame and having a sound emitting hole and a vent hole on one surface, and a pipe rail disposed at the second frame. The pipe rail may selectively transfer an acoustic signal output through the vent hole to outside through an inner pipeline based on the movement of the second frame. However, embodiments are not limited thereto.