Fabric-Covered Speaker Light Diffusion via Flexible Substrate
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Integrating light-emitting devices into voice-controlled assistant devices with a fabric layer is challenging due to the fabric potentially blocking or distorting emitted light, preventing effective information conveyance to the user.
Innovation Solution
A voice-controlled electronic device design featuring a housing with a fabric layer and a flexible substrate layer with an array of light-emitting devices, where the flexible substrate is interposed between the fabric and the housing, allowing light to be emitted towards the housing while sound passes through the fabric openings, and incorporating a mesh structure with serpentine paths for component mounting and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a fabric layer is used to cover the housing, then aesthetic appeal and sound transmission are improved, but light transmission is blocked or distorted
Solution Approach 1:
The fabric layer is segmented into multiple regions: fabric regions that provide aesthetic coverage and acoustic transparency regions with openings that allow light transmission. This segmentation enables different portions of the fabric to serve different functions - some areas maintain aesthetic appeal while others enable light-based communication effectiveness
Solution Approach 2:
Different regions of the fabric layer are assigned different properties: acoustic transparency regions have optimized light transmission characteristics while fabric regions maintain aesthetic appearance. This local differentiation allows the fabric to simultaneously provide both aesthetic appeal and effective light transmission where needed
2Adaptability or versatility
If light-emitting devices are integrated into the device, then information communication capability is improved, but device complexity increases
Solution Approach 1:
The fabric layer serves multiple functions simultaneously: it provides aesthetic appearance, allows sound transmission through acoustic transparency, and enables light transmission through strategically placed openings. This multi-functionality reduces the need for separate components and simplifies the overall device structure
Solution Approach 2:
The acoustic transparency regions and light transmission regions are merged within the same fabric layer structure. By combining acoustic and optical transmission functions in a single integrated fabric design, the device avoids the complexity of separate components for each function
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
Enables effective light-based communication and display functionality while maintaining sound transmission through the fabric, enhancing the device's usability and aesthetic appeal by diffusing light for a pleasing appearance.
Implementation Method 1
a fabric layer having openings configured to allow the sound to pass
Implementation Method 2
a flexible substrate layer with an array of light-emitting devices that is interposed between the fabric layer and the housing and is configured to configured to emit light towards the housing
Implementation Method 3
incorporating a mesh structure with serpentine paths for component mounting and flexibility
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An electronic device such as a voice-controlled speaker device may have a housing characterized by a vertical longitudinal axis. A flexible substrate such as a flexible mesh substrate with component support regions coupled by flexible segments may be wrapped around the housing and the vertical axis. The housing may have surface regions with compound curvature. The flexible substrate may conform to the regions with compound curvature. A fabric spacer layer may be interposed between the flexible substrate and the housing. Electrical components such as input-output devices may be mounted to the component support regions. A display may be formed from an array of light-emitting devices that are mounted on respective component support regions. Light from the light-emitting devices may pass through the fabric spacer layer toward the housing and back out away from the housing. An outer fabric layer may cover the mesh.