This inventor holds 2 USPTO granted patents and 2 published patent applications. Top assignee: Samsung Display Co., Ltd.. Active years: 2024-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2024-2025
Title: Changha Kwak: Inventor in Display Technology
Introduction
Changha Kwak is an inventor based in Yongin, South Korea. His patent work includes thin-film transistor technology and display apparatus manufacturing. He is associated with Samsung Display Co., Ltd. The provided information lists 2 patents.
Latest Patents
Kwak’s listed patent concerns a thin-film transistor, a display apparatus incorporating it, and a method for manufacturing the apparatus. The disclosed substrate includes a buffer layer containing an inorganic insulating layer and a thin-film transistor. The patent describes limiting the area ratio of the buffer layer’s N—H bond peak to 0.5% or less of the total peak area measured by Fourier transform infrared spectroscopy (FTIR).
The same patent title and description were provided twice. They describe a display-related invention focused on the composition of the buffer layer and its use in a thin-film transistor substrate.
Career Highlights
Kwak’s listed invention addresses components and manufacturing methods used in display apparatus. His work is associated with Samsung Display Co., Ltd., a company active in display technology.
Collaborations
The provided information identifies Nalae Lee and Joohyeon Jo as Kwak’s coworkers.
Conclusion
Changha Kwak’s listed patent work focuses on thin-film transistor substrates and display manufacturing, with particular attention to the buffer layer’s properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile