Speaker Cone Lighting with Curved Prism Diffusion
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Solution Overview
Problem
Conventional speakers lack visual appeal and suffer from reduced lighting efficiency when equipped with external lamps, which obstruct light and degrade aesthetic quality.
Innovation Solution
A speaker design incorporating a lighting apparatus with a light diffusion portion, including a prism with a curved outer surface and a concave-convex structure, mounted at the center of the vibration portion to diffuse and reflect light, enhancing visual effects by adjusting light intensity and motion according to acoustic signal strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a lamp is provided on the outer side of the speaker to improve aesthetic quality, then visual appeal is enhanced, but the lamp blocks light and lighting efficiency is degraded
Solution Approach 1:
The lighting apparatus is merged with the speaker body, specifically integrating the light emitting device into the vibration portion (cone) of the speaker. This combination eliminates the need for separate external lamps while maintaining aesthetic quality and improving lighting efficiency by positioning the light source at the center of the vibration portion where it can illuminate the speaker membrane directly without being blocked by external structures.
Solution Approach 2:
The light emitting device is nested within the vibration portion of the speaker, with the lighting apparatus insertedly disposed at the center of the cone-shaped vibration portion. This nesting arrangement allows the light source to be contained within the speaker structure while still achieving effective illumination of the speaker membrane, resolving the contradiction between aesthetic integration and lighting efficiency.
2Illumination intensity
If a light diffusion portion with prism structure is added to diffuse light, then light distribution is improved, but device complexity increases
Solution Approach 1:
The prism of the light diffusion portion is designed with a curved outer surface rather than flat facets. This curvature allows the prism to effectively diffuse and reflect light toward the vibration portion while maintaining a sleek, integrated appearance. The curved surface achieves light diffusion functionality without requiring complex multi-faceted geometric structures, thus balancing light distribution improvement with structural simplicity.
3Illumination intensity
If the lighting apparatus is inserted at the center of the vibration portion, then lighting efficiency is maximized, but heat dissipation becomes more difficult
Solution Approach 1:
A support structure serves as an intermediary between the light emitting device and the vibration portion, providing a thermal management interface. The support structure includes heat dissipation features that facilitate heat removal from the light emitting device while maintaining its central positioned for optimal lighting efficiency. This intermediary structure resolves the contradiction by providing thermal management pathways without compromising the lighting apparatus's optimal position.
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 solution provides a visually engaging sound experience by effectively diffusing and reflecting light across the speaker's vibration portion, maximizing visual and acoustic synchronization.
Implementation Method 1
The light diffusion portion may include a prism whose outer surface is curved to allow light generated from the lighting module to reach the vibration portion through dispersion or refraction.
Implementation Method 2
The light diffusion portion may include a prism whose outer surface is curved to allow light generated from the lighting module to reach the vibration portion through dispersion or refraction.
Implementation Method 3
The light diffusion portion may include a concave convex part provided in the shape of a column whose outer surface is formed in a concave convex structure.
Data Source
AI summary
A speaker includes a speaker apparatus configured to generate sound and provided with a coned shaped vibration portion; and a lighting apparatus inserted through the vibration portion and disposed at a center of the vibration portion to emit light to the vibration portion. The lighting apparatus includes: a lighting module having a light emitting device; and a light diffusion portion configured to surround the lighting module in order to diffuse light generated from the light module toward the vibration portion.