Location History:
- Taejon-Shi, KR (1998)
- Taejon, KR (1998 - 2000)
- Daejeon, KR (2000)
- Daejon, KR (2000)
- Daejon-Shi, KR (1999 - 2002)
Company Filing History:
Years Active: 1998-2002
Title: Innovations by El Hang Lee: A Pioneering Inventor in Laser Technology
Introduction
El Hang Lee is a prominent inventor based in Daejon-Shi, South Korea, with a remarkable portfolio of 12 patents. His innovative contributions primarily revolve around advancements in laser technology and quantum wire manufacturing, showcasing his expertise and commitment to pushing the boundaries of optical technologies.
Latest Patents
Among his notable patents is the **Single Mode Surface Emitting Laser**. This invention presents a surface emitting laser characterized by single transverse mode radiation, utilizing a unique reflector layer with an antiguide clad. The design includes an n-type semiconductor substrate featuring an n-type lower electrode, a laser pillar with a bottom distributed Bragg reflector (DBR), an active layer, and a top DBR. Additionally, it incorporates a control layer made of a compound semiconductor with a larger energy gap than the radiation wavelength, thus enhancing laser efficiency and performance.
Another significant patent is the **Method for Manufacturing Quantum Wires**. This method outlines a sophisticated process involving the formation of a stacked structure with alternating AlAs and GaAs layers, leading to the creation of V-grooves. The method emphasizes precise steps including growing a GaAs buffer layer, alternating growth of AlAs and GaAs layers, and utilizing chemical etching to produce quantum wires within the V-grooves, facilitating advancements in nanotechnology applications.
Career Highlights
El Hang Lee works at the Electronics and Telecommunications Research Institute, a leading organization in the field of electronic research and development. His role involves extensive research and development efforts aimed at innovating technologies that significantly impact various industries, especially telecommunications and electronics.
Collaborations
Throughout his career, El Hang Lee has collaborated with esteemed colleagues including Hak Kyu Lee and Kyong Hon Kim, who contribute to his projects with their expertise and insight. These collaborations highlight the importance of teamwork in fostering creativity and innovation within research environments.
Conclusion
El Hang Lee's contributions to the field of laser technology and quantum wire manufacturing underscore his status as a leading inventor. With a total of 12 patents, his work continues to pave the way for future innovations, benefitting not only the electronics and telecommunications sectors but also enhancing our understanding of advanced material science. His perseverance and inventive spirit serve as an inspiration in the world of technology and innovation.