This inventor holds 1 USPTO granted patent. Top assignees: Korea University Research Business Foundation, Lg Display., Ltd., Unist (Ulsan National Institute of Science and Technology). Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1 
1 out of 1,015 
1 out of 25 Years Active: 2026
Title: Seungjin Lee: Inventor in Perovskite Light-Emitting Devices.
Introduction
Seungjin Lee is an inventor based in Paju-si, South Korea. His work includes a patent for a perovskite light-emitting device, and the supplied career information lists LG Display Co., Ltd. and Korea University Research Business Foundation.
Latest Patents
Lee is associated with 1 patent: “Perovskite Light Emitting Device.” The invention describes improving the characteristics of a perovskite light-emitting diode by replacing PEDOT:PSS in a conventional hole-transport layer with an anionic conjugated polymer containing ammonium-based counterions. It also describes passivating defects in the perovskite light-emitting layer with a hole-transport layer containing a conjugated polymer, with the aim of improving light-emission characteristics and promoting crystal growth.
Career Highlights
The provided information connects Lee with LG Display Co., Ltd. and Korea University Research Business Foundation. His listed patent focuses on materials and layer design for perovskite light-emitting devices.
Collaborations
Lee’s listed coworkers include Han Young Woo and Kiseok Chang.
Conclusion
Seungjin Lee’s patent work centers on improving perovskite light-emitting devices through changes to the hole-transport layer and defect passivation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile