Location History:
- Yeosoo, KR (2005)
- Daejeon, KR (2006 - 2017)
Company Filing History:
Years Active: 2005-2017
Title: Innovations by Chang-Hun Han: A Pioneer in Optical Film Technology
Introduction
Chang-Hun Han, based in Daejeon, South Korea, is a prominent inventor known for his contributions to optical film technology. With an impressive portfolio of 21 patents to his name, his work focuses on the development and enhancement of optical films used in various applications, particularly in the field of display technologies.
Latest Patents
One of Chang-Hun Han's notable recent patents is for an "Optical film and method of preparing same." This invention pertains to an optical film composed of an acrylic resin combined with a core-shell type graft copolymer. The core consists of a conjugate diene rubber, while the shell includes an acrylic monomer, an aromatic vinyl monomer, and a maleimide monomer. This innovative composition enhances the performance and quality of optical films in various applications.
Another significant patent is for a "Retardation film and a liquid-crystal display device comprising the same." This invention features a blend resin made from an acryl-based copolymer including an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer. Additionally, it incorporates a resin containing an aromatic ring or aliphatic ring in the polymer main chain. The resulting retardation film demonstrates exceptional heat resistance, optical transparency, mechanical strength, and durability, making it highly valuable for liquid crystal display devices.
Career Highlights
Chang-Hun Han is currently employed at LG Chem, Ltd., a leading company in chemical manufacturing and technology. His extensive research and innovative endeavors have positioned him as a pivotal figure in the advancement of optical films, contributing to the company's reputation for quality and innovation in the electronics sector.
Collaborations
Throughout his career, Chang-Hun has collaborated with numerous talented colleagues, including Byoung-Il Kang and Dae-Woo Lee. Their collective expertise and teamwork have played a significant role in the successful development of groundbreaking technologies and products in the field of optical films.
Conclusion
Chang-Hun Han's work exemplifies a dedication to innovation and excellence in optical film technology. With a substantial number of patents and significant advancements in the field, he continues to influence the industry and inspire future innovations. His collaborative spirit and commitment to quality make him a valuable asset to LG Chem, Ltd. and the world of technology at large.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.