Gyeonggi-do, South Korea

Chang Myung Lee

This inventor holds 1 USPTO granted patent. Top assignee: Epivalley Co. Ltd.. Active years: 2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chang Myung Lee. Retrieved from https://idiyas.com/inventor/chang-myung-lee

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


Average Co-Inventor Count = 1.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2011

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1 patent (USPTO):Explore Patents

Title: Chang Myung Lee: Innovator in III-Nitride Semiconductor Technology

Introduction

Chang Myung Lee is a prominent inventor based in Gyeonggi-do, South Korea. He has made significant contributions to the field of semiconductor technology, particularly in the development of light-emitting devices. His innovative work focuses on enhancing the efficiency of these devices, which are crucial for various applications in electronics and lighting.

Latest Patents

Chang Myung Lee holds a patent for a III-nitride semiconductor light-emitting device. This invention aims to improve external quantum efficiency by utilizing a p-type nitride semiconductor layer with a rough surface. The design includes a first nitride semiconductor layer with a specific doping concentration, a second nitride semiconductor layer with a lower doping concentration and a rough surface, and a third nitride semiconductor layer with a higher doping concentration than the second. This innovative approach has the potential to enhance the performance of light-emitting devices significantly.

Career Highlights

Chang Myung Lee is currently associated with Epivalley Co. Ltd., where he continues to work on advancing semiconductor technologies. His expertise in III-nitride materials has positioned him as a key player in the industry, contributing to the development of more efficient light-emitting devices.

Conclusion

Chang Myung Lee's contributions to semiconductor technology, particularly through his patented innovations, highlight his role as a leading inventor in the field. His work not only advances the technology but also paves the way for future developments in light-emitting devices.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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