Jeonghong Oh

Title: Innovations by Jeonghong Oh in Glass-Ceramic Technology

Introduction

Jeonghong Oh is a notable inventor based in Cheonan-si, South Korea. He has made significant contributions to the field of glass-ceramic technology, holding two patents that showcase his innovative approach to materials science. His work focuses on creating transparent glass-ceramic articles that possess enhanced strength and optical properties.

Latest Patents

Jeonghong Oh's latest patents include advancements in transparent glass-ceramic articles with retained strength and display devices. One of his patents describes a transparent article that features a glass-ceramic substrate with a crystallinity of at least 40% by weight. This substrate has first and second primary surfaces that oppose one another. The optical film structure on the first primary surface consists of alternating high refractive index and low refractive index layers, along with a scratch-resistant layer. The article demonstrates an average photopic transmittance of over 80% and a maximum hardness exceeding 10 GPa, as measured by a Berkovich Hardness Test. The glass-ceramic substrate also boasts an elastic modulus greater than 85 GPa and a fracture toughness exceeding 0.8 MPa·√m. Furthermore, the optical film structure exhibits a residual compressive stress of at least 700 MPa and an elastic modulus of at least 140 GPa.

Career Highlights

Jeonghong Oh is currently employed at Corning Incorporated, a leading company in glass and ceramics technology. His work at Corning has allowed him to further develop his expertise in creating innovative materials that meet the demands of modern applications.

Collaborations

Jeonghong Oh has collaborated with notable colleagues such as Jaymin Amin and Jason Thomas Harris. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Jeonghong Oh's contributions to glass-ceramic technology highlight his innovative spirit and dedication to advancing material science. His patents reflect a commitment to creating high-performance materials that can be utilized in various applications.