Company Filing History:
Years Active: 2023-2025
Title: Namgoo Cha - Innovating Light Emitting Devices from Gyeonggi-do, KR
Introduction
Namgoo Cha is a prominent inventor based in Gyeonggi-do, South Korea. With a total of nine patents to his name, he has made valuable contributions to the field of light emitting devices. His work is characterized by innovative designs and advanced technologies that impact various applications.
Latest Patents
Among Cha's latest patents is an impressive high efficiency light emitting device that showcases a micro-scale construction. This device comprises a semiconductor stack, an insulation layer, and a metal reflection layer. The semiconductor stack is strategically built with a first conductivity type semiconductor layer, a second conductivity type semiconductor layer, and an active layer positioned in between. The insulation layer envelops both the upper and side surfaces of the semiconductor stack, while the metal reflection layer sits on top of the insulation layer, covering at least part of the stack's side surface. A distinctive feature of the insulation layer is its inclusion of a distributed Bragg reflector. Additionally, Cha has developed a unit pixel and a displaying apparatus that incorporates this unit pixel, exhibiting a transparent substrate and multiple light emitting devices arranged in a refined configuration.
Career Highlights
Namgoo Cha is currently associated with Seoul Viosys Co., Ltd., where he continues to execute his innovative vision in the realm of lighting technology. His expertise and creativity have allowed him to pioneer advancements in light emission, leading to more efficient and effective devices.
Collaborations
Cha collaborates with talented professionals such as Jae Hee Lim and Yeonkyu Park. Together, they form a collaborative team that fosters innovation and drives forward exciting projects within their organization.
Conclusion
Namgoo Cha is not just an inventor; he is a visionary in his field. His dedication to developing high efficiency light emitting devices places him at the forefront of innovation in Gyeonggi-do, KR. As he continues to build on his extensive portfolio of patents, Namgoo Cha remains an influential figure in advancing lighting technology.