Seung-Kwon Han

Title: Innovations by Inventor Seung-Kwon Han

Introduction

Seung-Kwon Han is a notable inventor based in Seoul, South Korea, recognized for his contributions to the field of electron tube technology. With a portfolio of 8 patents, his innovative approach has significantly advanced the functionality and performance of electron-emission devices.

Latest Patents

Among his latest patents is the development of a cathode for electron tubes and a method for manufacturing the same. This innovation involves an oxide cathode composed of a heater sleeve, a metal substrate, and a coated electron emission material layer. The unique method of applying a carbonate paste using screen printing ensures a uniform surface, thereby reducing picture quality degradation caused by the Moire phenomenon. His work enhances the cathode's electron emission and lifespan through effective thermal treatments.

Another significant patent concerns a metal cathode assembly designed for electron-emission devices. Made from a quaternary alloy that incorporates barium and a metallic mobilizer, this cathode operates at lower temperatures, improving its current emission capabilities. It effectively extends the lifespan of electron-beam devices, such as Braun tubes and picture tubes, by meeting the demands for larger size, longevity, high definition, and brightness.

Career Highlights

Seung-Kwon Han has established an impressive career by working with prominent companies, including Samsung Display Devices Co., Ltd. and Samsung SDI Co., Inc. His expertise in electron emission technology has positioned him as a valuable asset in the industry.

Collaborations

Throughout his career, Han has collaborated with esteemed colleagues, including Sung-hwan Moon and Dong-hee Han. Their combined efforts have contributed to significant advancements in the technologies they have developed together.

Conclusion

Seung-Kwon Han exemplifies the spirit of innovation in the field of electron-emission devices. His patents reflect a commitment to enhancing technology and improving device performance. As his career progresses, he continues to inspire future generations of inventors and engineers.