This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Hansol Chemical. 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:
Years Active: 2026
Title: Sung Min Ha and Inkjet-Printed Electron Transport Layers
Introduction
Sung Min Ha is an inventor associated with Jeonju, South Korea, and Hansol Chemical. His patent work concerns materials and methods for forming electron transport layers in light-emitting devices.
Latest Patents
Ha is listed as an inventor on 1 patent: “Electron Transport Layer Composition for Inkjet Printing and Method for Preparing Same.” The patent describes an inkjet-printable composition containing metal oxide nanoparticles and at least three solvents that differ in at least one property, such as viscosity, polarity, or vapor pressure. It also describes a method for preparing the composition and a light-emitting device with an electron transport layer formed from it.
Career Highlights
Ha’s disclosed invention focuses on adapting electron transport layer materials for inkjet printing. The composition’s combination of metal oxide nanoparticles and solvents with differing properties is intended for use in manufacturing light-emitting devices.
Collaborations
The provided information identifies Kyung Nam Kim and Byung Ju Park as Ha’s coworkers. They are also associated with the patent work described above.
Conclusion
Sung Min Ha’s patent activity, associated with Hansol Chemical, centers on an inkjet-printable electron transport layer composition and its application in light-emitting devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile