Edge-Lit Ceiling Fan Light Kit Uniform Illumination
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Solution Overview
Problem
Existing ceiling fan light kits often result in uneven light distribution and are not suitable for low-profile applications, as they typically feature multiple individually emitting light sources.
Innovation Solution
An edge-lit light kit design for ceiling fans, where the light source is positioned to illuminate the edge of a panel, allowing for uniform light distribution through a diffuser, and includes a mounting bracket for secure attachment, a light reflector for optimizing light output, and a switching device for controlling the light source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If multiple individually emitting light sources are used in ceiling fan light kits, then the light sources can be positioned to provide illumination, but the light distribution becomes uneven and the aesthetic appeal is reduced due to visible multiple light sources
Solution Approach 1:
Multiple individual light sources are merged into a single integrated light source unit that illuminates the entire panel surface uniformly. This consolidation eliminates the visible separation of multiple light sources while maintaining comprehensive illumination coverage, resolving the contradiction between illumination coverage and aesthetic appearance.
Solution Approach 2:
A light guide panel acts as an intermediary between the light source and the final illumination. The panel receives light from the source and redistributes it uniformly across its surface, creating even light distribution without visible light source separation and improving both illumination uniformity and aesthetic appeal.
2Adaptability or versatility
If traditional light kit designs are used, then the light sources can be installed, but they are not suitable for low-profile applications due to their structure
Solution Approach 1:
The light kit design transitions from a traditional vertical protrusion configuration to a planar surface-mounted configuration. By repositioning the light source and panel assembly to mount on the ceiling surface rather than protrude downward, the profile height is dramatically reduced while maintaining illumination functionality, enabling low-profile applications.
3Illumination intensity
If multiple individually emitting light sources are used, then illumination can be provided, but the aesthetic appeal is enhanced by the appearance of multiple light sources
Solution Approach 1:
The visible appearance of multiple individual light sources is extracted and removed from the design. Instead of displaying separate light source elements, the system uses a single light source that illuminates a diffusing panel, eliminating the visual presence of multiple light sources while maintaining uniform illumination through the panel surface.
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 edge-lit design provides uniform light distribution, making it suitable for low-profile applications and enhancing the aesthetic appeal by eliminating the appearance of multiple light sources, while the mounting and switching features ensure secure and adjustable lighting.
Implementation Method 1
at least one light source positioned to illuminate the edge
Implementation Method 2
uniform light distribution through a diffuser
Implementation Method 3
a light reflector positioned to reflect light exiting the panel
Implementation Method 4
a diffuser positioned such that the diffuser diffuses light exiting the panel
Data Source
AI summary
A ceiling fan is provided. The ceiling fan includes one or more fan blades. The ceiling fan further includes a motor. The motor is operatively coupled to the one or more fan blades. The motor is configured to drive rotation of the one or more fan blades. The ceiling fan further includes a light kit. The light kit includes a panel. The panel has an edge extending between a top surface of the panel and a bottom surface of the panel. The light kit further includes at least one light source positioned to illuminate the edge.