Edison Base LED Lighting Device with AC-DC Power Conversion
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Solution Overview
Problem
Traditional Edison-style filament bulbs are inefficient, converting most energy into heat rather than light, leading to regulatory phases-out and a need for energy-efficient replacements that can integrate with existing lamp infrastructure.
Innovation Solution
Development of lighting devices utilizing solid-state light emitters like LEDs, integrated into lampshades and poles, which convert AC power to DC and provide omni-directional lighting, eliminating the need for traditional bulbs and allowing for aesthetic and functional retrofits in existing fixtures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional Edison-style filament bulbs are used, then the lighting device can integrate with existing lamp infrastructure, but energy efficiency deteriorates as most energy is converted to heat instead of light
Solution Approach 1:
The lighting device is divided into separate functional modules: an Edison base module for infrastructure compatibility, a power converter module for AC-to-DC conversion, and an LED array module for efficient light emission. This segmentation allows each module to optimize its function while working together as an integrated system.
Solution Approach 2:
The lighting device incorporates multiple functions within a single fixture: it provides mechanical mounting compatibility with existing lamps, electrical power conversion from AC to DC, and omnidirectional lighting through an LED array positioned at the bulb's focal point. This multi-functionality resolves the contradiction by combining infrastructure adaptation with energy efficiency.
2Loss of energy
If solid-state light emitters like LEDs are used, then energy efficiency improves, but the device complexity increases due to AC to DC power conversion requirements
Solution Approach 1:
The power converter and LED array are merged into a single integrated housing that replaces the traditional bulb. This consolidation reduces overall device complexity by eliminating separate components and simplifying the system architecture, while maintaining the energy efficiency benefits of solid-state lighting.
Solution Approach 2:
The Edison base acts as an intermediary component that provides both mechanical mounting and electrical connection while interfacing with existing infrastructure. This mediator simplifies the integration process by handling the AC power input and transmitting it to the internal converter, reducing the complexity burden on the overall system.
3Adaptability or versatility
If LEDs are integrated into lampshades and poles, then lighting versatility improves, but manufacturing complexity increases
Solution Approach 1:
The lighting device is manufactured as a segmented module that can be independently produced and then installed in various configurations. The LED array, power converter, and housing are manufactured as a complete replaceable unit, simplifying the manufacturing process while enabling versatile installation options in lampshades, poles, and existing fixtures.
Solution Approach 2:
Instead of integrating LEDs directly into lampshades and poles during their manufacturing, the invention inverts the approach by providing a standalone LED lighting module that can be installed into existing fixtures. This reversal simplifies manufacturing by using standardized bulb-replacement processes rather than customizing each fixture.
4Illumination intensity
If omnidirectional lighting is provided by positioning LEDs at the bulb's focal point, then lighting uniformity improves, but the device complexity increases
Solution Approach 1:
The Edison base structure is given multiple functions: it provides mechanical mounting, electrical connection, and serves as the structural framework for positioning the LED array at the focal point. This multi-functionality achieves uniform omnidirectional lighting without adding extra structural components, thereby avoiding increased device complexity.
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 significantly enhances energy efficiency, extends lamp lifespan, and offers flexible, aesthetically diverse lighting solutions that can replace or complement traditional fixtures, aligning with regulatory shifts towards energy-efficient technologies.
Implementation Method 1
convert AC power to DC
Implementation Method 2
lighting devices utilizing solid-state light emitters like LEDs
Implementation Method 3
Light emitting diodes (LEDs) are considered an energy efficient successor to filament-based Edison Bulbs
Data Source
AI summary
Embodiments relate to a lighting device that includes a power connector base that includes a threaded electrical contact for connection to an Edison style socket and a pole that is attached to the power connector base that includes or retains a plurality of solid-state light emitters.