RF Powered Gas-Filled Lamps Filament Failure
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Solution Overview
Problem
Compact fluorescent lamps have a limited switching life span and are expensive to replace, leading to environmental concerns due to toxic mercury disposal and inefficiency when filaments fail, necessitating a cost-effective and energy-efficient method to restore or power them after filament failure.
Innovation Solution
A system and method using radio frequency (RF) power to generate an electric field within compact fluorescent lamps, interacting with gas molecules to produce illumination, eliminating the need for functional filaments and reducing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If compact fluorescent lamps use traditional filament-based AC power supply, then they can emit light efficiently, but they have limited switching life span and become inoperable after filament failure
Solution Approach 1:
The patent removes the filament component entirely from the compact fluorescent lamp design. By extracting the filament, the invention eliminates the primary failure point (filament burnout) while maintaining the gas-filled tube structure that produces light through RF-induced plasma excitation
Solution Approach 2:
The patent replaces the traditional mechanical/electrical filament-based light generation system with a radio frequency electromagnetic field-based system. Instead of using filaments that emit electrons through heating, the invention uses RF fields to directly excite the gas molecules in the fluorescent tube, eliminating mechanical wear and filament failure
2Ease of operation
If compact fluorescent lamps are replaced when filaments fail, then lighting function is restored, but cost increases and environmental harm occurs due to mercury disposal
Solution Approach 1:
The patent enables recovery and continued use of compact fluorescent lamps that would otherwise be discarded due to filament failure. By restoring functionality through RF power application, the invention keeps the mercury-containing lamp in service, preventing environmental contamination from landfill disposal
3Ease of operation
If compact fluorescent lamps are replaced when filaments fail, then lighting function is restored, but manufacturing and purchase costs increase
Solution Approach 1:
The patent enables self-service restoration of compact fluorescent lamps by applying RF power to reactivate lamps with failed filaments. Users can restore lamp functionality themselves without purchasing replacement lamps, eliminating the need for expensive new lamp purchases and reducing manufacturing costs
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
Enables the cost-effective and energy-efficient restoration of compact fluorescent lamps after filament failure, reducing landfill waste and toxic mercury disposal while maintaining energy efficiency by using RF power to generate light within the lamps.
Implementation Method 1
A radio frequency (RF) power source and antenna system are used to generate an electric field that interacts with gas molecules within a compact fluorescent lamp to produce illumination
Implementation Method 2
The electric field interacts with gas molecules within the compact fluorescent lamp to generate illumination
Data Source
AI summary
A method and system for powering gas-filled lamps using radio and/or microwave frequencies is disclosed. The method and system may include a gas-filled lamp, an antenna positioned proximal to the gas-filled lamp, a conductive element surrounding the gas-filled lamp, and a power source connector coupled to the antenna.