AC LED Driver With Modular Parallel Circuits
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing AC-driven LED systems require significant adjustments and additional components when adding or removing LED circuits, affecting light output and necessitating changes to discrete components, which limits scalability and efficiency.
Innovation Solution
The use of opposing parallel LED circuits with integrated capacitors and resistors allows for the addition or removal of LED circuits without affecting the pre-determined light output range, using a driver that provides a relatively fixed voltage and frequency, eliminating the need for component changes or additions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If LED circuits are added to or removed from AC-driven LED systems using traditional wiring schemes, then the system scalability is improved, but the light output consistency deteriorates and component adjustments are required
Solution Approach 1:
The patent divides the LED system into independent modular units, each containing opposing parallel LED circuits with integrated capacitors and resistors. Each module is self-contained with its own current-limiting components, allowing modules to be added or removed without affecting the operation of other modules. This segmentation enables scalability while maintaining consistent light output from each individual module.
Solution Approach 2:
Each opposing parallel LED circuit module is designed with locally integrated capacitors and resistors tailored to its specific LED configuration. The capacitor values and resistor values are optimized for each local module's requirements, allowing different modules to have different characteristics while maintaining overall system consistency. This local optimization ensures that each module operates independently with consistent light output regardless of system configuration changes.
2Adaptability or versatility
If traditional AC-driven LED systems are modified to add or remove LED circuits, then the system adaptability is improved, but the device complexity increases due to required component changes
Solution Approach 1:
The patent merges the capacitor and resistor components directly into each opposing parallel LED circuit module, combining multiple functions (current limiting, voltage regulation, LED protection) into integrated units. This consolidation eliminates the need for separate external components when adding or removing LED circuits, as each module is a complete, self-contained unit. The merging of components within each module reduces overall system complexity while maintaining adaptability.
Solution Approach 2:
Each opposing parallel LED circuit module is designed as a universal building block that can function independently or be combined with other identical modules. The standardized design with integrated capacitors and resistors makes each module multi-functional and interchangeable, allowing the system to adapt to different configurations without requiring unique components for each setup. This universality simplifies the overall system architecture while enabling flexible adaptation.
3Device complexity
If opposing parallel LED circuits are used with integrated capacitors and resistors, then the device complexity is reduced, but the manufacturing precision requirements increase
Solution Approach 1:
The capacitors and resistors are pre-integrated into each opposing parallel LED circuit module during the manufacturing process, before the modules are installed in the final system. This preliminary integration ensures that each module arrives at the installation site as a complete, tested unit with precisely matched components. By performing the integration action in advance during controlled manufacturing conditions, the precision requirements are met more easily than if integration were attempted during system assembly.
Solution Approach 2:
The patent specifies precise parameter ranges for the capacitors and resistors integrated into each module, such as capacitor values in the range of 0.1µF to 10µF and resistor values tailored to each LED's forward voltage and current requirements. By defining and controlling these parameters during manufacturing, the system achieves the necessary precision while maintaining simplified circuit architecture. The parameter specifications ensure consistent performance across all modules without requiring complex adjustment mechanisms.
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
This solution enables scalable and efficient LED lighting systems with consistent light output, reduced component size, and simplified manufacturing, as LED circuits can be added or removed without altering the driver's components or output, enhancing reliability and integration.
Implementation Method 1
At least one capacitor is connected in series to one or both opposing parallel LED circuits
Implementation Method 2
LEDs are semiconductor devices that produce light when a current is supplied to them
Data Source
AI summary
An AC LED package and circuits are disclosed along with an AC LED driver. The AC LED circuit may include as few as one LED or an array of anti-parallel LEDs driven with AC power sources and AC LED drivers at various voltages and frequencies. The AC LEDs are pre-packaged in various forms and materials and designed for mains or high frequency coupling in various forms to AC power sources, inverter type drivers or packages. The AC LED driver is a fixed frequency driver that provides a relatively constant voltage output to different size loads within the wattage limitation of the driver and in some cases is a direct mains power source.