Lei Han

Title: **The Innovations of Lei Han: A Pioneer in Power Supply Systems**

Introduction

Lei Han is an innovative inventor based in Eindhoven, Netherlands. With a focus on enhancing lighting technology, he has contributed significantly to the field through his patent in lighting power supply systems. His work not only reflects his creativity but also serves to improve energy efficiency in lighting applications.

Latest Patents

Lei Han holds a patent for a **Lighting Power Supply System and Method**. This system features a sophisticated power supply design for a lighting unit that comprises a driver, a local energy storage device, and a converter. The converter is capable of operating in three distinct modes: a charging mode that diverts part of the driving current to charge the energy storage device, a battery driving mode that powers the lighting unit using the charged energy, and a grid driving mode that neither charges the storage nor converts the secondary power supply. By actively and synchronously controlling both the driver and the converter, the system maintains a constant current through the lighting unit when switching between these modes.

Career Highlights

Currently, Lei Han is an integral part of **Signify Holding B.V.**, where he continues to explore new technologies in the realm of lighting systems. His innovative spirit has led him to develop solutions that enhance the functionality and efficiency of lighting units, showcasing his commitment to advancing technology in meaningful ways.

Collaborations

Throughout his career at Signify, Lei has collaborated with notable colleagues, including Vasu Poojary and Yuhong Fang. These partnerships reflect a collaborative approach to innovation, allowing for the exchange of ideas and knowledge that drive the development of cutting-edge technologies in the lighting sector. Yuhong Fang, as a female inventor, adds a diverse perspective to the teamwork dynamic.

Conclusion

Lei Han is a remarkable inventor whose contributions to lighting technology exemplify the impact of innovative thinking in design and efficiency. His patent for a lighting power supply system stands as a testament to his expertise and dedication to creating sustainable solutions. As he continues his journey at Signify Holding B.V., the potential for future innovations remains bright.