Solid-State Lighting Apparatus Thermal Management
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Solution Overview
Problem
Conventional incandescent lamps are inefficient, short-lived, and environmentally harmful, while alternatives like CFLs contain mercury and have high upfront costs, necessitating a more sustainable and efficient lighting solution.
Innovation Solution
The development of customizable, thermally efficient, and power-efficient solid-state lighting fixtures using LEDs with advanced heat management systems, CNC manufacturing, and environmentally friendly materials to reduce waste and maintenance costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If incandescent lamps are used for lighting, then illumination is provided, but energy consumption is high and lifespan is short
Solution Approach 1:
The patent transitions from incandescent to LED technology, fundamentally changing the operating parameters of the lighting system. LEDs operate at lower voltages and currents, convert electrical energy more efficiently to light, and generate less heat, thereby simultaneously reducing energy consumption and extending operational lifespan
Solution Approach 2:
The patent replaces the mechanical filament-based incandescent system with a solid-state LED system. This substitution eliminates the fragile filament that limits lifespan and reduces the mechanical stress and heat generation that contribute to energy inefficiency
2Use of energy by moving object
If CFLs are used as alternative to incandescent lamps, then energy consumption is reduced, but health risks and environmental hazards increase due to mercury content
Solution Approach 1:
The patent extracts and eliminates the harmful mercury substance from the lighting system by adopting LED technology. LEDs are solid-state devices that produce light through electroluminescence without requiring mercury vapor, thereby removing the environmental and health hazards associated with CFLs while maintaining energy efficiency
Solution Approach 2:
The patent employs composite material structures in LED construction, combining semiconductor materials, phosphors, and heat sink materials to achieve efficient light generation without harmful substances. This composite approach enables the lighting system to maintain low energy consumption while being environmentally safe
3Use of energy by moving object
If solid-state lighting is implemented, then energy efficiency and lifespan are improved, but heat dissipation becomes a critical challenge
Solution Approach 1:
The patent introduces heat sink structures as intermediary thermal management components between the LED junction and the environment. These heat sinks act as thermal mediators that conduct heat away from the LED, dissipate it through their surfaces, and maintain the LED operating temperature within acceptable ranges, thereby preserving energy efficiency
Solution Approach 2:
The patent employs heat dissipation structures that extend into the third dimension, such as finned heat sinks and thermally conductive pathways. By adding vertical and lateral dimensions to the heat dissipation surface area, the system effectively manages thermal load while maintaining compact form factor and preserving LED energy efficiency
4Adaptability or versatility
If customizable lighting fixtures are manufactured using traditional methods, then design flexibility is limited, but manufacturing complexity and time increase
Solution Approach 1:
The patent segments the lighting fixture into modular components including LED modules, heat sink assemblies, power supply units, and mounting structures. This segmentation enables independent manufacturing and customization of each module, providing design flexibility while simplifying the overall manufacturing process through standardized interfaces
Solution Approach 2:
The patent employs universal mounting structures and standardized connection interfaces that allow the same base fixture design to accommodate different LED configurations, color temperatures, and beam angles. This universality provides extensive design flexibility without increasing manufacturing complexity, as the core structure remains constant while only the lighting modules need to be changed
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 long-lasting, energy-efficient, and customizable lighting with minimal waste, reduced maintenance, and environmental impact, achieving high power factor and luminous efficacy while being cost-effective and adaptable for various applications.
Implementation Method 1
at least one solid state light emitting source mounted on the MCPCB
Implementation Method 2
solid state based illumination has received attention as an optimum energy-conserving, eco-friendly light source
Implementation Method 3
The fixture is made of at least one thermally conductive sheet metal selected from the set of aluminum, iron, steel, copper or combinations or alloys thereof
Implementation Method 4
advanced heat dissipation designs
Data Source
AI summary
The invention provides lighting apparatuses which are power efficient, environment friendly and long lasting and can be manufactured with high degree of speed, accuracy and flexibility. The lighting apparatuses are easily serviceable and can be produced, transported economically and have higher economical value even on completion of life term of the lighting apparatuses. The present invention reduce the waste of raw material thereby utilizing maximum percentage raw material for produce solid state lighting fixtures using CAD and CNC process and provides retrofitting lighting apparatuses which can be replaced without making considerable changes in existing infrastructure.