Yeonsuk Roh

Title: Yeonsuk Roh: Innovator in Optical Recording Media

Introduction

Yeonsuk Roh is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of optical recording materials. His innovative work has led to the development of a unique patent that enhances the capabilities of optical devices.

Latest Patents

Yeonsuk Roh holds a patent for "Optical recording media with triplet-sensitized isomerization." This invention relates to an optical recording material that comprises a polymeric matrix and a dewarbenzene derivative reactant. This reactant is capable of undergoing isomerization to a benzene product upon triplet excitation, which causes a change in optical properties. Additionally, the invention includes a sensitizer that absorbs actinic radiation to facilitate triplet energy transfer to the reactant. The design ensures that the excitation energy of the sensitizer and its reduction potential is at least 0.05 eV less than the oxidation potential of the reactant, preventing one-electron oxidation. Furthermore, the invention encompasses an optical device featuring regional variations in concentrations of reactants and products produced by triplet chain isomerization, thereby providing a pattern of intelligence.

Career Highlights

Yeonsuk Roh is associated with Eastman Kodak Company, where he has been able to apply his expertise in optical technologies. His work has contributed to advancements in the field, particularly in the development of innovative optical recording materials.

Collaborations

Throughout his career, Yeonsuk has collaborated with notable colleagues, including Samir Y Farid and Douglas Robert Robello. These collaborations have further enriched his research and development efforts.

Conclusion

Yeonsuk Roh's contributions to optical recording media exemplify the impact of innovative thinking in technology. His patent reflects a significant advancement in the field, showcasing his dedication to enhancing optical devices.