Location History:
- Taipei, TW (2013)
- New Taipei, TW (2015)
Company Filing History:
Years Active: 2013-2015
Title: Innovations by Yu-Wen Chang
Introduction
Yu-Wen Chang is a notable inventor based in Taipei, Taiwan. He has made significant contributions to the field of power conversion technology. With a total of 2 patents, his work focuses on enhancing the efficiency and performance of LED drivers and power conversion circuits.
Latest Patents
One of Yu-Wen Chang's latest patents is a PFC LED driver capable of reducing flicker. This innovative driver includes a bridge rectifier that generates a full-wave-rectified line input voltage from an AC power source. It features a single-stage PFC constant average current converter that forces the input current to track the rectified line input voltage while regulating the average output current at a preset value. Additionally, a peak current regulator is integrated in series with an LED module to manage the output current effectively.
Another significant patent is a high-side controller capable of sensing both input and output voltages of a power conversion circuit. This controller includes a first switch that connects to a gate signal and a voltage signal, which is proportional to a negative version of the input voltage when activated. It also comprises an inverting amplification circuit and a sample and hold circuit to provide processed and sample voltages.
Career Highlights
Yu-Wen Chang is currently employed at Immense Advance Technology Corporation, where he continues to develop innovative solutions in power electronics. His work has been instrumental in advancing technologies that improve energy efficiency and performance in various applications.
Collaborations
Yu-Wen Chang collaborates with talented individuals such as Yen-Hui Wang and Wei-Chuan Su. Their teamwork fosters an environment of innovation and creativity, leading to groundbreaking advancements in their field.
Conclusion
In summary, Yu-Wen Chang is a distinguished inventor whose contributions to power conversion technology are noteworthy. His patents reflect a commitment to innovation and efficiency, making a significant impact in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.