Haoran Zeng

Title: Haoran Zeng: Innovator in Electronic Ballast Technology

Introduction

Haoran Zeng is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of electronic ballast technology, holding 2 patents that enhance the efficiency and lifespan of fluorescent lamps. His innovative approaches have garnered attention in the industry, showcasing his expertise and commitment to advancing lighting technology.

Latest Patents

Zeng's latest patents include the "Electronic ballast using cut and save technology" and the "Fluorescent lamp end-of-life protection circuit." The electronic ballast patent introduces an ideal filament preheat technique for fluorescent lamps, utilizing an adjusting circuit, an output circuit, and a control circuit. This design ensures that the filament receives adequate preheating voltage while reducing the voltage across the lamp tube, preventing glow current during preheating. Once the preheating stage is complete, the voltage increases to ignite the lamp, thereby improving the electronic ballast's efficiency and extending the fluorescent lamp's operational life.

The fluorescent lamp end-of-life protection circuit patent features a rectifying effect protection circuit and an overvoltage protection circuit for the lamp tube. This innovative design includes a circuitry of two series resistors and a capacitor connected in parallel with the lamp tube. The circuit effectively protects the lamp from transient voltage spikes, ensuring reliable operation and safety.

Career Highlights

Haoran Zeng is currently employed at Phi Hong Electronics (Shanghai) Co. Ltd., where he continues to develop cutting-edge technologies in the lighting sector. His work has significantly impacted the efficiency and safety of fluorescent lighting solutions.

Collaborations

Zeng collaborates with talented professionals in his field, including Kevin Yang and Songling Mao. Their combined expertise fosters a creative environment that drives innovation and enhances product development.

Conclusion

Haoran Zeng's contributions to electronic ballast technology exemplify his dedication to innovation in the lighting industry. His patents not only improve the efficiency of fluorescent lamps but also ensure their longevity and safety. Through his work at Phi Hong Electronics, Zeng continues to push the boundaries of technology, making a lasting impact on the field.