Company Filing History:
2 out of 131,766 
1 out of 40 Years Active: 2006-2009
Title: Innovations of Dong-suk Leem in Gallium Nitride Technology
Introduction
Dong-suk Leem is a prominent inventor based in Kwangju-si, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the development of high-performance optical devices. With a total of 2 patents, his work focuses on enhancing the efficiency and performance of light-emitting diodes (LEDs) and laser diodes (LDs).
Latest Patents
One of Dong-suk Leem's latest patents is titled "Thin film electrode for forming ohmic contact in light emitting diodes and laser diodes using nickel-based solid solution for manufacturing high performance gallium nitride-based optical devices, and method for fabricating the same." This patent discloses a technique for forming a high-quality ohmic contact that is essential for the fabrication of short-wavelength LEDs emitting blue and green visible light, as well as ultraviolet light. The method involves depositing a nickel (Ni)-based solid solution on a p-type gallium nitride (GaN) semiconductor. The resulting ohmic contact exhibits excellent current-voltage characteristics and low specific contact resistance, attributed to an increased effective carrier concentration around the surface of the gallium nitride layer. Additionally, it provides high transmittance in the short-wavelength region.
Career Highlights
Throughout his career, Dong-suk Leem has worked with notable organizations, including Samsung Electronics Co., Ltd. and the Kwangju Institute of Science and Technology. His experience in these institutions has allowed him to refine his expertise in semiconductor technology and contribute to groundbreaking innovations.
Collaborations
Dong-suk Leem has collaborated with esteemed colleagues such as June-o Song and Tae-yeon Seong. These partnerships have facilitated the exchange of ideas and advancements in the field of optical devices.
Conclusion
Dong-suk Leem's contributions to gallium nitride technology and his innovative patents have significantly impacted the development of high-performance optical devices. His work continues to influence the semiconductor industry and pave the way for future advancements.