Company Filing History:
4 out of 94 
1 out of 328 
Years Active: 2024-2025
Title: Ji-hwan Kim: Innovator in Organic Light Emitting Devices
Introduction
Ji-hwan Kim is a prominent inventor based in Cheongju-si, South Korea. He has made significant contributions to the field of organic light-emitting devices, holding a total of 4 patents. His work focuses on enhancing the efficiency and longevity of these devices through innovative chemical compounds.
Latest Patents
One of Ji-hwan Kim's latest patents is for a polycyclic compound and an organic light-emitting device that utilizes this compound. This invention discloses a polycyclic compound that can be employed in various organic layers of an organic electroluminescent device. The device includes a light-emitting layer that uses the polycyclic compound as a dopant, along with an anthracene derivative as a host. The incorporation of this polycyclic compound significantly improves the color purity, luminous efficiency, and life characteristics of the organic electroluminescent device, making it highly efficient and long-lasting. Another notable patent involves an organic light-emitting element that employs a polycyclic aromatic derivative compound in its light-emitting layer. This element also includes a capping layer, enhancing its efficiency and making it suitable for various applications, including flat panel displays and flexible lighting devices.
Career Highlights
Throughout his career, Ji-hwan Kim has worked with notable companies such as SFC Co., Ltd. and Hodogaya Chemical Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced organic light-emitting technologies.
Collaborations
Ji-hwan Kim has collaborated with several professionals in his field, including Bong-Ki Shin and Sung-hoon Joo. These collaborations have likely enriched his research and development efforts, leading to innovative solutions in organic electronics.
Conclusion
Ji-hwan Kim's contributions to the field of organic light-emitting devices demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of materials science and engineering, paving the way for more efficient and durable lighting solutions.