This inventor holds 1 USPTO granted patent. Top assignees: Korea University Research Business Foundation, Lg Display Co., 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:
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1 out of 26 Years Active: 2026
Title: Chung Hyeon Jang: Inventor in Perovskite Light-Emitting Devices.
Introduction
Chung Hyeon Jang is an inventor associated with Paju-si, South Korea. His work includes a patent for a perovskite light-emitting device, and the provided information lists 1 patent.
Latest Patents
Jang’s patent, “Perovskite Light Emitting Device,” describes ways to improve the performance of perovskite light-emitting diodes. The invention replaces PEDOT:PSS in a conventional hole-transport layer with an anionic conjugated polymer containing ammonium-based counterions to address degradation in device characteristics. It also describes passivating defects in the perovskite light-emitting layer with a conjugated-polymer-containing hole-transport layer and promoting crystal growth to improve light-emission characteristics.
Career Highlights
The information provided associates Jang with LG Display and the Korea University Research Business Foundation. These organizations connect his listed work with display technology and university-based research.
Collaborations
Kiseok Chang and Su Seok Choi are identified as Jang’s coworkers. The available information does not specify their individual roles in the patent.
Conclusion
Chung Hyeon Jang’s listed patent focuses on improving perovskite light-emitting devices through changes to the hole-transport layer and methods for addressing defects and crystal growth.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile