Adaptive LED Cove Lighting with Micro Baffle
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Solution Overview
Problem
Existing LED cove lighting systems are inefficient in projecting light from architectural features into adjacent rooms, often resulting in unpredictable and uncontrolled lighting effects due to variable light distribution and glare issues.
Innovation Solution
An LED cove light system comprising a wall piece mounted to a cove with a light fixture component that carries LEDs positioned at an angle to project light out into the room, utilizing a reflector and baffle to optimize light distribution and prevent lateral light artifacts, ensuring 85% or more of the light exits the cove, thereby providing a predictable and controlled lighting effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional LED linear fixtures or fluorescent strips are used in cove lighting, then installation is simple, but light distribution is unpredictable and uncontrolled resulting in glare and artifacts
Solution Approach 1:
The lighting system is divided into modular LED components mounted on a wall piece, with each segment independently controllable and positioned to achieve predictable light distribution patterns without the glare and artifacts associated with traditional continuous fixtures
Solution Approach 2:
The wall piece is pre-configured with LED mounting positions and angles during manufacturing, ensuring that when installed, the LEDs are automatically positioned to achieve the desired controlled light distribution and eliminate unpredictable lighting effects
2Illumination intensity
If LEDs are positioned to maximize light output, then illumination intensity increases, but lateral light distribution creates artifacts on adjacent walls
Solution Approach 1:
Different portions of the light fixture have different functions: LEDs are positioned and angled to maximize forward light output, while baffles are strategically placed at specific locations to block lateral light paths that would create artifacts, creating localized light control zones
Solution Approach 2:
Baffles serve as intermediary elements positioned between the LED light source and adjacent walls, intercepting lateral light rays and preventing them from creating artifacts on surrounding surfaces while allowing forward light to pass through
3Productivity
If more light is projected into the room, then illumination effectiveness increases, but construction costs increase with additional fixtures
Solution Approach 1:
The wall piece serves multiple functions: it provides structural mounting support, positions LEDs at optimal angles, incorporates baffles for light control, and acts as the mounting surface itself, eliminating the need for separate downlights and additional fixtures
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 achieves 85% efficacy in illuminating the desired surface, eliminating the need for downlights and reducing construction costs, while ensuring uniformity and minimizing glare, outperforming traditional LED linear fixtures and fluorescent strips.
Implementation Method 1
a reflector positioned within the light transmissive cover and beneath the LEDs so as to redirect light emanating from the plurality of LEDs out through the lens
Implementation Method 2
A baffle may be disposed beneath the arcuate portion of the reflector, the baffle having a plurality of baffle elements, one of the baffle elements being positioned on either side of each of the plurality of LEDs
Data Source
AI summary
An LED cove light system having a wall piece mounted to a back surface of a cove and a light fixture component removably attachable at an angle to the wall piece. The light fixture component carries a plurality of LEDs beneath an arcuate portion of a lens and a reflector is positioned below the LEDs. A baffle component is mounted within the lens and configured to control lateral light distribution.