Location History:
- Gyeonggi-do, KR (2009)
- Hwaseong-si, KR (2009 - 2012)
Company Filing History:
5 out of 131,744 
1 out of 107 
Years Active: 2009-2012
Title: Ki-Hyuk Koo: Innovator in Thin Film Transistor Technology
Introduction
Ki-Hyuk Koo is a prominent inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the development of thin film transistors. With a total of 5 patents to his name, Koo's work has been instrumental in advancing the efficiency and quality of electronic devices.
Latest Patents
Among his latest patents, Koo has developed a method of fabricating a thin film transistor substrate and a negative photoresist composition used therein. This innovative method aims to reduce pattern inferiority in the manufacturing process. The technique involves forming a conductive film on a substrate, creating an etch pattern with a negative photoresist composition, and etching the conductive film to form a conductive pattern. The negative photoresist composition includes specific components such as novolak resin, photo acid generators, a cross-linking agent, and a solvent, which work together to enhance the fabrication process. Another notable patent is a photoresist composition that comprises a photo-acid generator, novolac resin, a cross-linker, and a solvent, further showcasing Koo's expertise in this area.
Career Highlights
Ki-Hyuk Koo has worked with leading companies in the semiconductor industry, including Samsung Electronics and Dongjin Semichem. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in thin film technology.
Collaborations
Throughout his career, Koo has collaborated with notable colleagues such as Hi-Kuk Lee and Hyoc-Min Youn. These partnerships have fostered a creative environment that has led to significant advancements in their respective fields.
Conclusion
Ki-Hyuk Koo's contributions to the field of thin film transistors and photoresist technology have established him as a key figure in semiconductor innovation. His patents reflect a commitment to improving manufacturing processes and enhancing electronic device performance.