Location History:
- Incheon-shi, KR (2003)
- Inchon-shi, KR (2003)
- Miyagi-ken, JP (1998 - 2005)
Company Filing History:
17 out of 2,040 
5 out of 37 
2 out of 4,048 Years Active: 1998-2005
Title: **Innovative Contributions of Chae Gee Sung in Thin Film Transistors**
Introduction
Chae Gee Sung, an esteemed inventor based in Miyagi-ken, Japan, has made remarkable strides in the field of electronics, holding a portfolio of 25 patents. His innovations primarily focus on enhancing the performance and efficiency of thin film transistors and related technologies.
Latest Patents
Among his latest patents, notable inventions include a thin film transistor (TFT), methods of producing the same, liquid crystal display, and a thin film forming apparatus. His invention aims to provide a TFT that features a gate insulating film with a high dielectric withstand voltage, while ensuring desired carrier mobility within an adjacent semiconductor active film. The design incorporates a gate electrode and semiconductor active film on a transparent substrate, with a gate insulating film consisting of two layered insulating films. The first gate insulating film is tailored to enhance the withstand voltage between the gate electrode and the semiconductor active film. Meanwhile, the second film is engineered to improve interface characteristics. Both insulating films are composed of silicon nitride, with specific optical band gaps that range between 3.0 to 4.5 eV and 5.0 to 5.3 eV respectively.
Career Highlights
Chae Gee Sung has worked with prestigious companies throughout his career, including LG Philips LCD Co., Inc. and Frontec Incorporated. His extensive experience in the industry is reflected in the successful application of his patented innovations, which have contributed to advancements in display technologies.
Collaborations
Throughout his professional journey, Chae has collaborated with several notable coworkers, including Hyunho Shin and Jo Gyoo Chul. Their combined expertise and collaborative efforts have driven innovation and development in various electronic applications, leading to significant improvements in product performance.
Conclusion
Chae Gee Sung’s contributions to the realm of thin film transistors demonstrate his pivotal role in pushing the boundaries of electronic technology. His dedication to improving the efficiency and functionality of devices through innovative patents will undoubtedly continue to influence the industry for years to come.