Hong Guen Yang

Title: Innovations of Hong Guen Yang

Introduction

Hong Guen Yang is a notable inventor based in Suwon, South Korea. He has made significant contributions to the field of phosphor technology, particularly in the development of surface coated phosphors. With a total of two patents to his name, Yang's work has implications for various display technologies.

Latest Patents

Yang's latest patents focus on rare earth oxide coated phosphors. The present invention provides surface coated phosphors that are useful in field emission displays and vacuum fluorescent displays. The surface coated phosphor comprises a thin coating of rare earth oxide, such as yttrium oxide, disposed on an uncoated phosphor like a sulfide phosphor. The invention also outlines a process for preparing a surface coated phosphor, which includes contacting the uncoated phosphor with a rare earth hydroxide gel solution to obtain a rare earth hydroxide gel coated phosphor. This process involves drying the gel coated phosphor to remove solvent residues and heat treating the dried rare earth hydroxide gel coated phosphor. The resulting surface coated phosphors exhibit improved cathodoluminescence efficiency, coulombic aging resistance, and enhanced chemical and oxidative stability.

Career Highlights

Throughout his career, Yang has worked with various organizations, including Georgia Tech Research Corporation. His innovative work has positioned him as a key figure in the advancement of phosphor technology.

Collaborations

Yang has collaborated with notable individuals in his field, including Wounjhang Park and Kazuhito Yasuda. These collaborations have contributed to the development and refinement of his patented technologies.

Conclusion

Hong Guen Yang's contributions to the field of phosphor technology through his patents on rare earth oxide coated phosphors highlight his innovative spirit and dedication to advancing display technologies. His work continues to influence the industry and pave the way for future innovations.