Location History:
- Zhejiang, CN (2012 - 2014)
- Hangzhou, CN (2014)
Company Filing History:
4 out of 22 
1 out of 4 Years Active: 2012-2014
Title: Liangan Ge: Innovator in LED Driver Technology
Introduction
Liangan Ge is a prominent inventor based in Zhejiang, China, known for his contributions to LED driver technology. With a total of five patents to his name, he has made significant advancements in the field of efficient lighting solutions. His work focuses on developing innovative circuits that enhance the performance and efficiency of LED drivers.
Latest Patents
One of Liangan Ge's latest patents is a high-efficiency constant current LED driver. This invention includes a rectification bridge, a PFC main circuit, an isolated DC/DC converter, a PFC controller, and a PFC bus control circuit. The design allows for an intermediate PFC bus voltage that varies with the output voltage of the DC/DC converter. When the isolated DC/DC converter operates as an LLC resonant circuit, it maintains a narrow gain range and operating frequency, enabling high efficiency across a wide output voltage range. Additionally, when the isolated DC/DC converter is configured as a symmetric half bridge, asymmetric half bridge, or full bridge circuit, the duty cycle remains close to 50%, significantly improving efficiency.
Another notable patent is a constant current control circuit with multiple outputs for an LED driver. This circuit features a single-output constant current power supply and multiple output circuits. Each output circuit includes a current sharing circuit, a current sharing control circuit, and an LED load. The design ensures that the LED load and current sharing circuit are in series, optimizing performance and reliability.
Career Highlights
Liangan Ge has worked with notable companies in the industry, including Inventronics (Hangzhou), Inc. and Inventronics (Hangzhou) Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge LED technologies.
Collaborations
Throughout his career, Liangan Ge has collaborated with talented individuals such as Guichao Hua and Xiaoli Yao. These partnerships have fostered innovation and have been instrumental in the successful development of his patented technologies.
Conclusion
Liangan Ge's work in LED driver technology exemplifies his commitment to innovation and efficiency. His patents reflect a deep understanding of electrical engineering and a dedication to improving lighting solutions. His contributions continue to influence the industry and pave the way for future advancements.