This inventor holds 21 USPTO granted patents and 1 published patent application, primarily in Thin Film Transistors. Top assignees: Lg Philips Lcd Co., Inc., Lg Display Co., Ltd., Samsung Mobile Display Co., Ltd.. Active years: 1998-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Gyeonggi-do, KR (2008 - 2012)
- Suwon-si, KR (2011 - 2012)
- Seoul, KR (1998 - 2023)
Company Filing History:
8 out of 2,040 
3 out of 12,768 
3 out of 1,219 
Years Active: 1998-2025
Areas of Expertise:
Title: Innovator Spotlight: Sang-Gul Lee
Introduction
Sang-Gul Lee, an accomplished inventor based in Seoul, South Korea, has significantly contributed to the field of display technology with 20 patents to his name. His innovative work on thin-film transistors and organic light-emitting displays has advanced the performance and efficiency of modern display systems.
Latest Patents
Among Sang-Gul Lee's noteworthy inventions, two of his latest patents stand out. The first is a display apparatus that incorporates a first, second, and third thin-film transistor. This invention details a first thin-film transistor with an active layer made from polysilicon material and involves complex layers for both gate and electrodes. The side-by-side comparison of the operational mechanics of multiple transistors emphasizes the intricacies involved in display technology.
The second patent focuses on an organic light-emitting display device (OLED) and outlines a novel method for its fabrication. This innovation includes the simultaneous formation of electrically conductive lines and gate electrodes, which streamlines the process by reducing the number of masks used during production. Consequently, this shortens the overall fabrication timeline and lowers production costs, a significant improvement in manufacturing efficiency.
Career Highlights
Sang-Gul Lee has had a fruitful career, collaborating with major technology firms such as LG Philips LCD Co., Inc. and Samsung Mobile Display Co., Ltd. His tenure at these companies has not only amplified his technical expertise but also his impact on the development of advanced display technologies.
Collaborations
Throughout his career, Sang-Gul Lee has worked alongside notable colleagues like Jong-Hoon Yi and Jae-Bon Koo. These collaborations have fostered an environment of innovation and knowledge sharing, enhancing the collective contributions to the field of display technology.
Conclusion
Sang-Gul Lee's impressive portfolio of patents and collaborations highlights his exceptional contributions to display technology. His work continues to influence the advancements in the industry, demonstrating the importance of innovation in shaping the future of visual display systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile