Seoul, South Korea

Yooji Hwang

This inventor holds 1 USPTO granted patent and 10 published patent applications. Top assignee: Lg Display Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yooji Hwang. Retrieved from https://idiyas.com/inventor/yooji-hwang

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Yooji Hwang - Innovator in Electroluminescent Display Technology.

Introduction

Yooji Hwang is a prominent inventor based in Seoul, South Korea. He is known for his contributions to the field of display technology, particularly in the development of electroluminescent display devices. His innovative work has led to advancements that enhance the performance and reliability of display systems.

Latest Patents

Yooji Hwang holds a patent for an electroluminescent display device. This device includes a substrate with an active area that features both an emission area and a non-active area. It also comprises a planarization layer, a light-emitting element, a buffer layer with multiple holes, and a hydrogen trap layer. This design effectively prevents hydrogen inflow into an oxide thin film transistor, thereby improving the characteristics and reliability of the thin film transistor.

Career Highlights

Yooji Hwang is currently employed at LG Display Co., Ltd., where he continues to push the boundaries of display technology. His work has significantly impacted the industry, making him a valuable asset to his company and the field of innovation.

Collaborations

Yooji has collaborated with talented coworkers such as Dayeon Jeong and Chulyoung Jang. Their combined efforts contribute to the advancement of technology in the display sector.

Conclusion

Yooji Hwang's innovative contributions to electroluminescent display technology exemplify the importance of research and development in enhancing device performance. His work continues to influence the future of display systems.

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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