Company Filing History:
2 out of 53 
2 out of 224 
1 out of 27 
Years Active: 2008-2011
Title: Footshen Wong: Innovator in LED Technology
Introduction
Footshen Wong is a prominent inventor based in Singapore, known for his contributions to LED technology. With a total of five patents to his name, Wong has made significant advancements in the field of lighting and power supply systems. His innovative approaches have led to more efficient and effective solutions for driving white LEDs.
Latest Patents
Wong's latest patents include an "Apparatus and method for regulating white LEDs." This invention features an apparatus designed to drive white LEDs, incorporating a switchable current sink, a DC-DC converter, and a reference circuit. The DC-DC converter supplies a driving voltage to multiple LEDs, while the switchable current sink regulates the currents through them. This design minimizes voltage drops across the current sink, enhancing the overall efficiency of the LED driving system.
Another notable patent is for "Power supply topologies with PWM frequency control." This innovation allows for the use of an inductor with higher inductance in a converter by controlling the switching frequency of the pulse width modulation signal. This capability ensures high efficiency during light load conditions while remaining suitable for heavy load scenarios.
Career Highlights
Footshen Wong has worked with notable companies such as 02 Micro International Limited and O2micro International Limited. His experience in these organizations has contributed to his expertise in developing advanced technologies in the LED and power supply sectors.
Collaborations
Wong has collaborated with talented individuals in his field, including Vlad Mihail Popescu-Stanesti and Mingkwang Han. These partnerships have fostered innovation and the sharing of ideas, further enhancing the impact of his work.
Conclusion
Footshen Wong's contributions to LED technology and power supply systems demonstrate his commitment to innovation and efficiency. His patents reflect a deep understanding of the challenges in the industry and a dedication to providing effective solutions. Through his work, Wong continues to influence the future of lighting technology.