Yong-Ho Ra

Title: Yong-Ho Ra: Innovator in Nanowire Light Emitting Devices

Introduction

Yong-Ho Ra is a prominent inventor based in Jinju, South Korea. He has made significant contributions to the field of light-emitting devices, particularly through his innovative patents. With a total of 2 patents, his work focuses on advancing the technology of surface-emitting lasers.

Latest Patents

Yong-Ho Ra's latest patents include groundbreaking technologies in nanowire light emitting devices. One of his notable inventions is an all-epitaxial, electrically injected surface-emitting green laser that operates in a range of about 520-560 nanometers (nm). At 523 nm, this device exhibits a threshold current density of approximately 0.4 kilo-amperes per square centimeter (kA/cm), which is over one order of magnitude lower than that of previously reported blue laser diodes. Another significant patent is for nanocrystal surface-emitting lasers, which shares similar operational characteristics and advantages.

Career Highlights

Yong-Ho Ra is affiliated with the University of Michigan, where he continues to push the boundaries of research in light-emitting technologies. His work has garnered attention for its potential applications in various fields, including telecommunications and display technologies.

Collaborations

Yong-Ho Ra collaborates with esteemed colleagues such as Roksana Tonny Rashid and Xianhe Liu. Their combined expertise contributes to the advancement of innovative solutions in the field of nanotechnology.

Conclusion

Yong-Ho Ra's contributions to the development of nanowire light emitting devices highlight his role as a leading inventor in the field. His patents not only demonstrate his innovative spirit but also pave the way for future advancements in laser technology.