Location History:
- Gyeonggi-do, KR (2007)
- Anyang-si, KR (2013)
Company Filing History:
Years Active: 2007-2013
Title: Innovations of Hong-Gyu Han
Introduction
Hong-Gyu Han is a notable inventor based in Anyang-si, South Korea. He has made significant contributions to the field of LED technology and power conversion, holding a total of 2 patents. His work reflects a commitment to advancing technology in practical and impactful ways.
Latest Patents
One of his latest patents is for an LED light emitting device and method of driving the same. This invention provides a technology that can uniformly sustain the magnitude of a channel current flowing to multiple LED channels. The device includes several LED channels formed with LED elements connected in series, along with a constant current source that controls the channel currents according to a predetermined reference current. This innovation ensures that the actual channel current matches the desired setting channel current.
Another significant patent by Han is the phase shift full bridge converter. This converter features first and second switches coupled to an input power source, defining a first conductive path, and third and fourth switches defining a second conductive path. A PWM unit operates the switches in a specific sequence, allowing for overlapping intervals of operation, which enhances the efficiency of power conversion.
Career Highlights
Hong-Gyu Han has worked with prominent companies in the semiconductor industry, including Fairchild Korea Semiconductor Ltd. and Silicon Mitus, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies.
Collaborations
Throughout his career, Han has collaborated with talented individuals such as Dong-Hee Kim and Jae-Soon Choi. These partnerships have likely fostered a creative environment that encourages innovation and the development of new ideas.
Conclusion
Hong-Gyu Han's contributions to LED technology and power conversion demonstrate his innovative spirit and technical expertise. His patents reflect a deep understanding of electrical engineering and a commitment to advancing technology for practical applications.