Company Filing History:
Years Active: 2008-2011
Title: The Innovations of Jian-Shen Li
Introduction
Jian-Shen Li is a notable inventor based in Hsin-Chu, Taiwan. He has made significant contributions to the field of electronic ballasts, holding a total of five patents. His work focuses on enhancing the efficiency and functionality of lighting systems, particularly fluorescent lamps.
Latest Patents
One of Jian-Shen Li's latest patents is an electronic ballast with dimming control from power line sensing. This invention includes a control voltage generator that produces a control voltage based on the switching count of a power line. It also features an oscillator that generates an oscillating signal with a fixed frequency, which consists of both a rising voltage portion and a falling voltage portion. Additionally, a comparator is utilized to create a high side gating signal based on the voltage comparison between the oscillating signal and the control voltage. Another patent of his is similar in nature, disclosing an electronic ballast with dimming control from power line sensing. This invention comprises a line switching sensing circuit that generates a switching sensing signal through a voltage comparison operation on a DC voltage. It also includes a control voltage generator, a voltage-controlled oscillator, and a non-overlapping driver to produce high side and low side driving signals.
Career Highlights
Jian-Shen Li has worked with prominent companies in the industry, including Grenergy Opto Inc. and AU Optronics Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electronic components.
Collaborations
Throughout his career, Jian-Shen Li has collaborated with talented individuals such as Ko-Ming Lin and Yen-Ping Wang. These partnerships have contributed to the advancement of his projects and the successful development of his patents.
Conclusion
Jian-Shen Li's contributions to the field of electronic ballasts demonstrate his commitment to innovation and improvement in lighting technology. His patents reflect a deep understanding of electronic systems and their applications.
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.