This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Shanjin Optoelectronics (Suzhou) Co., Ltd.. Active years: 2022.
Company Filing History:
Years Active: 2022
Title: Changhwa Ahn: Innovator in Adhesive Technology
Introduction
Changhwa Ahn is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of adhesive technology, particularly in the development of innovative adhesive compositions.
Latest Patents
Changhwa Ahn holds a patent for an adhesive composition, protective film, and polarizing plate that includes an adhesive layer. The patent describes an adhesive composition that consists of a polyvinyl alcohol-based resin, a melamine-based crosslinking agent, an acid catalyst, and a silane-based additive. The weight ratio of the melamine-based crosslinking agent to the acid catalyst ranges from 5:1 to 1:1, with the acid catalyst containing a sulfonic acid group. This invention also encompasses a protective film and a polarizing plate that includes the adhesive layer, as well as an image display device that incorporates the polarizing plate.
Career Highlights
Throughout his career, Changhwa Ahn has worked with various companies, including Shanjin Optoelectronics (Suzhou) Co., Ltd. and Shanjin Optoelectronics (Nanjing) Co., Ltd. His work in these organizations has contributed to advancements in adhesive technologies and their applications in display devices.
Collaborations
Changhwa Ahn has collaborated with notable colleagues, including Yoobin Kim and Hae Sung Cho. These partnerships have fostered innovation and development in the adhesive technology sector.
Conclusion
Changhwa Ahn's contributions to adhesive technology, particularly through his patent on adhesive compositions, highlight his role as an innovator in the field. His work continues to influence advancements in image display devices and related technologies.