Ik-Rang Choe

Title: **Inventor Ik-Rang Choe: Pioneering Advances in Organic Light Emitting Diodes**

Introduction

Ik-Rang Choe, a distinguished inventor based in Paju-si, South Korea, has made significant contributions to the field of organic electronics, particularly in organic light emitting diodes (OLEDs). With a remarkable portfolio of six patents, his work continues to influence the development of efficient lighting technologies.

Latest Patents

Choe’s latest innovations include two patents focusing on advanced organic light emitting diodes. The first patent describes an OLED that comprises at least one emitting material layer positioned between two electrodes. This OLED features a first compound with a fused ring of boron and oxygen and a second compound with a fused ring of boron and nitrogen. By adjusting the energy levels of these compounds, the OLED achieves lower driving voltage and improved luminous efficiency.

The second patent highlights an OLED structure comprising a first emitting material layer with high affinity to holes and a second emitting material layer that implements triplet-triplet annihilation for enhanced performance. This design allows for significant improvements in luminous efficiency and lifetime while reducing driving voltages.

Career Highlights

Throughout his career, Ik-Rang Choe has worked with notable companies such as LG Display Co., Ltd. and Soulbrain Co., Ltd. These roles have provided him with valuable industry experience and opportunities to advance his research further.

Collaborations

Choe has collaborated with talented professionals in the field, including coworkers Jun-Yun Kim and Hye-Gun Ryu. These collaborations have fostered an environment of innovative thinking and development, propelling Choe's work forward.

Conclusion

Ik-Rang Choe’s contributions to the field of OLED technology are noteworthy and impactful. His innovative approaches to organic light emitting diodes demonstrate his commitment to advancing this technology, promising a brighter future for electronic displays and lighting solutions. With six patents under his belt, Choe continues to be a pivotal figure in the evolution of organic electronics.