LED Driver Electronics with Integrated NFC Control
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Solution Overview
Problem
Conventional lighting systems with LEDs lack fine-tuned control over lighting characteristics, such as color and intensity, due to limited user-selectable settings and high costs associated with smart lighting solutions, making it difficult for users and suppliers to achieve optimal lighting configurations.
Innovation Solution
The integration of near field communication (NFC) technology into driver electronics for LED light engines, allowing for wireless control of lighting parameters like color, intensity, and color correlated temperature through NFC commands, enabling precise adjustment of light characteristics using a mobile device interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional LED lighting systems are used, then manufacturing cost is low and device complexity is minimal, but lighting control precision and adaptability are limited
Solution Approach 1:
The patent introduces NFC technology as an intermediary between mobile devices and LED lighting systems. The NFC reader/writer circuit in the driver electronics enables wireless communication with smartphones or tablets, allowing users to control lighting parameters without complex wired interfaces. This intermediary solution provides precise control capability while maintaining relatively simple device architecture.
Solution Approach 2:
The driver electronics are designed with multi-functionality, integrating both the LED driver circuit and NFC reader/writer capabilities into a single device. This universal design allows the same hardware to perform both power driving and wireless control functions, reducing overall system complexity while enabling sophisticated lighting control through mobile device interfaces.
2Adaptability or versatility
If smart lighting solutions with multiple control settings are implemented, then lighting adaptability and control precision improve, but manufacturing cost and device complexity increase
Solution Approach 1:
By using NFC technology as an intermediary, the system leverages the existing NFC capabilities in mobile devices to provide sophisticated lighting control. Instead of building complex control interfaces into the lighting system itself, the patent uses the mobile device as the control interface, reducing manufacturing costs while maintaining high adaptability.
Solution Approach 2:
The system enables self-service control by allowing users to directly interact with the lighting system through their mobile devices via NFC. The driver electronics automatically receive control commands and adjust lighting parameters without requiring complex installation or configuration, making the system both adaptable and easy to manufacture.
3Adaptability or versatility
If fixed lighting schemes with limited settings are used, then device complexity is minimized, but lighting adaptability and user flexibility are reduced
Solution Approach 1:
The patent implements dynamic lighting control by allowing real-time adjustment of lighting parameters through NFC commands. Instead of fixed lighting schemes, the system enables users to dynamically change color temperature, intensity, and other parameters based on their immediate needs, while the NFC interface keeps the control mechanism relatively simple.
Solution Approach 2:
The NFC reader/writer circuit serves as an intermediary that bridges the gap between simple hardware and complex control requirements. It allows the driver electronics to remain relatively simple while enabling sophisticated dynamic control through wireless communication with mobile devices.
Data Source
AI summary
A light structure including a first housing having a light engine including at least one lighting scheme comprised of LEDs; and a second housing for containing driver electronics. The driver electronics including at least a mixing integrated circuit (IC) for controlling current to the at least one lighting scheme, and a near field communication (NFC) circuit having a near field communication (NFC) receiver and memory for storing instructions for sending pulse width modulation (PWM) signals from the NFC circuit to the mixing integrated circuit. The NFC receiver can receive an external command signal that the instructions stored in the memory of the NFC circuit employ to provide for an NFC control signal including at least one of the PWM signals to the mixing integrated circuit (IC). The mixing integrated circuit (IC) receiving the control signal sets current to control light characteristics for light being emitted by the light engine.