Sam-Il Koh

Title: The Innovations of Sam-Il Koh

Introduction

Sam-Il Koh is a notable inventor based in Yongin, South Korea. He has made significant contributions to the field of organic light-emitting devices, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Koh's latest patents include an organic light-emitting device that features a first electrode and a second electrode positioned opposite each other. The emission layer, which is situated between these electrodes, comprises organic materials. This layer includes a host, which is a silane derivative of anthracene with at least one silicon substituent that is an aryl group with fused rings. Additionally, the dopant used is a 7H-benzo[c]fluorene with diarylamino substituents at the 5- and 9-positions. This design results in organic light-emitting devices that exhibit low driving voltages, high light-emitting efficiencies, and long lifetimes. Another patent involves a cascade-type compound and an organic light-emitting device that incorporates this compound, represented generically by a specific formula.

Career Highlights

Throughout his career, Sam-Il Koh has worked with prominent organizations, including Samsung Display Co., Ltd. and the Industry-Academic Cooperation Foundation at Gyeongsang National University. His work in these institutions has allowed him to further develop his expertise in organic light-emitting technologies.

Collaborations

Koh has collaborated with notable colleagues such as Se-Hun Kim and Mie-Hwa Park. These partnerships have contributed to the advancement of his research and innovations in the field.

Conclusion

Sam-Il Koh's contributions to organic light-emitting devices highlight his role as a significant inventor in the field. His patents reflect a commitment to innovation and excellence in technology.