Yingyan He

Title: Inventor Yingyan He: Innovating Power Supply Solutions

Introduction: Yingyan He is a notable inventor based in Hangzhou, China, recognized for his contributions to power supply circuits and lighting systems. With a total of four patents to his name, He has demonstrated a profound understanding of electrical engineering and innovation, particularly in the realm of light-emitting diode (LED) technology.

Latest Patents: Yingyan He's most recent patents showcase his expertise in designing advanced power supply circuits and LED driving systems. One of his significant inventions is a power supply circuit and a light-emitting diode (LED) driving system using the power supply circuit, which includes a linear conversion circuit connected to a first capacitor. This innovative design rectifies an alternating current input signal to generate a first rectified voltage, enabling efficient power management. Additionally, the circuit integrates a DC-DC conversion mechanism that regulates output voltage effectively.

Another remarkable patent features a flyback converter, a constant-current control method, and a comprehensive lighting system. This invention introduces a technique for constant current control by sampling a loop current, thereby ensuring consistent excitation current across switching cycles. Such advancements highlight He's commitment to enhancing efficiency in lighting technologies.

Career Highlights: Yingyan He has made significant strides in his career by collaborating with various companies, including Joulwatt Technology Co., Ltd. and Joulwatt Technology (Hangzhou) Co., Ltd. His work with these firms underscores his dedication to developing cutting-edge solutions in the field of power supply and LED technology.

Collaborations: Throughout his career, He has worked alongside talented coworkers such as Guoqiang Liu and Yuancheng Ren. Their collaborative efforts have undoubtedly contributed to the advancement of their projects and innovations within the electrical engineering sector.

Conclusion: Yingyan He stands out as a prominent figure in the realm of innovations related to power supply circuits and LED technologies. His patents reflect a deep understanding of the intricacies of electrical systems and the potential for innovation in lighting solutions. As he continues to develop new technologies, his contributions are likely to shape the future of efficient lighting systems and power management solutions.