Company Filing History:
Years Active: 2011-2012
Title: Woong-Ki Hong: Innovator in Light Emitting Diode Technology
Introduction
Woong-Ki Hong is a prominent inventor based in Gwangju, South Korea. He has made significant contributions to the field of light emitting diodes (LEDs), holding a total of 4 patents. His work focuses on enhancing the efficiency and performance of LED devices, which are crucial in various applications today.
Latest Patents
One of his latest patents is for a "Flip-chip light emitting diodes and method of manufacturing thereof." This invention features a flip-chip nitride-based light emitting device that includes an n-type clad layer, an active layer, and a p-type clad layer. It also comprises a reflective layer and a transparent conductive thin film layer that inhibits material diffusion. This design improves ohmic contact properties with the p-type clad layer, enhancing wire bonding efficiency and yield during packaging. Additionally, it boosts luminous efficiency and lifespan due to low specific contact resistance and excellent current-voltage properties.
Another notable patent is for "Top-emitting light emitting diodes and methods of manufacturing thereof." This invention presents a top-emitting nitride-based light emitting device with similar structural layers as the flip-chip design. It includes an interface modification layer and a transparent conductive thin film layer. The advantages of this invention mirror those of the flip-chip design, providing improved ohmic contact, increased wire bonding efficiency, and enhanced luminous efficiency and lifespan.
Career Highlights
Woong-Ki Hong is currently employed at Samsung LED Co., Ltd., where he continues to innovate in the field of LED technology. His work has significantly impacted the efficiency and effectiveness of light emitting devices, making them more viable for commercial and industrial use.
Collaborations
He has collaborated with notable coworkers such as Tae-Yeon Seong and June-O Song, contributing to advancements in LED technology through teamwork and shared expertise.
Conclusion
Woong-Ki Hong's contributions to the field of light emitting diodes exemplify the importance of innovation in technology. His patents reflect a commitment to improving device performance and efficiency, which is essential in today's rapidly evolving technological landscape.