Linear LED Fixture Optics for Uniform Shelf Lighting
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Solution Overview
Problem
Conventional light fixtures face challenges in illuminating multiple shelves without obstruction, aesthetics, heat dissipation, and moisture protection, particularly in commercial settings where uniform and directed lighting is essential for displaying consumer products.
Innovation Solution
A linear light fixture with a heat sink supporting LEDs, a diffuser, and optical elements like reflectors or lenses, allowing for adjustable mounting and heat dissipation, while maintaining aesthetics and functionality in various environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If conventional light sources are used to provide sufficient illumination, then the illumination intensity is improved, but significant heat is generated requiring heat dissipation management
Solution Approach 1:
The patent replaces conventional incandescent or halogen light sources with LED technology. LEDs produce the required illumination intensity while generating minimal heat, eliminating the need for complex heat dissipation systems and improving energy efficiency.
Solution Approach 2:
The invention changes the operating parameters of the light source by using LEDs that operate at lower temperatures and lower power consumption while maintaining or improving illumination output. This parameter change fundamentally reduces the heat management requirements of the system.
2Adaptability or versatility
If light sources are used in environments where moisture may be present, then the functionality in various environments is improved, but the light sources and electronics are exposed to moisture damage
Solution Approach 1:
The patent introduces a sealed housing and protective coatings as intermediary barriers between the electronic components and the moisture-containing environment. This allows the light fixture to function in humid or refrigerated environments while protecting the sensitive electronics from moisture damage.
Solution Approach 2:
The housing incorporates sealed enclosures and protective films that prevent moisture ingress while allowing the fixture to operate in various environmental conditions. These protective barriers maintain reliability without sacrificing environmental adaptability.
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 uniform, directed lighting that effectively illuminates shelves without obstruction, manages heat dissipation, and is suitable for both dry and moist environments, enhancing product presentation and consumer viewing experiences.
Implementation Method 1
at least one heat sink providing a support structure for the light emitting sources while also assisting with the dissipation of heat
Implementation Method 2
at least one heat sink providing a support structure for the light emitting sources while also assisting with the dissipation of heat
Implementation Method 3
A diffuser extends along the longitudinal direction and is attached to the heat sink. The diffuser covers the light emitting sources
Implementation Method 4
One or more optical elements such as e.g., a reflector or internally reflecting lens, may be used to help direct light rays from the light emitting sources
Implementation Method 5
One or more optical elements such as e.g., a reflector or internally reflecting lens, may be used to help direct light rays from the light emitting sources
Data Source
AI summary
A light fixture is provided that includes a plurality of light emitting sources, such as e.g., LEDs, that are arranged along a longitudinal direction. A heat sink provides a support structure for the lights while also assisting with the dissipation of heat. A diffuser covers the light emitting sources and is also supported by the heat sink. One or more optical elements such as e.g., a reflector or internally reflecting lens may be used to help direct light rays from the light emitting sources. Certain features may be added at the ends of the light fixture for mounting upon a surface and/or for further controlling the direction of light rays projecting from the light fixture. The light fixture is suitable for a variety of applications including e.g., the illumination of products displayed on shelving for consumer viewing.