Location History:
- Delft, NL (2016 - 2020)
- Eindhoven, NL (2020)
Company Filing History:
4 out of 853 
2 out of 1,805 
1 out of 21,384 
Years Active: 2016-2020
Title: The Innovative Contributions of Yi Wang
Introduction
Yi Wang is a prominent inventor based in Delft, Netherlands, known for his significant contributions to the field of lighting technology. With a total of seven patents to his name, he has made remarkable advancements in the design and functionality of LED lighting systems.
Latest Patents
Among his latest patents is the "Retrofit LED tube for connecting to an electronic ballast, and a corresponding lighting system and method." This innovative retrofit LED tube features an LED array for emitting light and an alternating current (AC) LED driver that receives an AC supply voltage. It is designed to drive the LED array based on the received voltage while incorporating a filament circuit that supports a filament current for lamp recognition by the electronic ballast. Additionally, it includes a filament enhancement circuit that reduces filament and lamp currents during steady-state operation.
Another notable invention is the "Tubular device for fitting to a tubular light fitting." This solid-state tubular lighting device is equipped with pin safety circuits connected to the pins at each end. A driver circuit is linked to the outputs of these safety circuits, which utilize TRIAC switches to form a closed switch in response to voltage between the connecting pins. This design provides a safety solution suitable for rapid start electromagnetic ballasts.
Career Highlights
Yi Wang has worked with leading companies in the lighting industry, including Philips Lighting Holding B.V. and Signify Holding B.V. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of lighting technology.
Collaborations
Throughout his career, Yi Wang has collaborated with notable professionals such as Philip Louis Zulma Vael and Sait Izmit. These partnerships have fostered a creative environment that has led to the development of groundbreaking lighting solutions.
Conclusion
Yi Wang's contributions to the field of lighting technology through his patents and collaborations highlight his role as an influential inventor. His innovative designs continue to shape the future of LED lighting systems, demonstrating the importance of creativity and collaboration in technological advancement.