Location History:
- Suwon-si, KR (2014)
- Daejeon, KR (2003 - 2024)
Company Filing History:
3 out of 3 
2 out of 8,331 
1 out of 3 
Years Active: 2003-2025
Title: Innovations by Inventor Seong Jin Kim
Introduction
Seong Jin Kim, a prominent inventor based in Daejeon, South Korea, has made significant contributions to the field of technology with a total of 11 patents to his name. His innovative work spans various applications, particularly in the area of display devices and high-frequency signal processing.
Latest Patents
Among his latest patents, Kim has developed a method for manufacturing a polarizing plate. This method involves preparing a transfer type retarder laminate composed of a carrier substrate, alignment film, and retarder layer. The innovation includes laminating this retarder laminate onto a polymeric stretched film embedded with a dichroic substance. It is noteworthy that the peel force at a peeling angle of 90° is meticulously controlled, making it a promising solution for creating circularly polarizing plates or optical compensation polarizing plates used in diverse display technologies.
Another recent invention is the high-frequency signal predistortion device and nonlinear distortion correcting device for power amplifiers. This device includes components like a high-frequency signal estimator, which evaluates the non-linear distortion characteristics of signals transmitted by antennas. The predistortion estimator calculates a predistortion coefficient that is then used by the predistorter to modify the base signal, significantly enhancing the performance of high-frequency communications.
Career Highlights
Seong Jin Kim has worked with reputable companies such as Rstech Co., Ltd. and LG Chem, Ltd., where he has applied his inventive skills to solve complex engineering challenges. His commitment to innovation has made him a valuable asset in these organizations.
Collaborations
During his career, Kim has collaborated with several talented individuals, including his coworkers Ho Seong Lee and Jin Won Yun. Together, they have contributed to advancements in their fields and fostered an environment of creativity and innovation.
Conclusion
With a robust portfolio of patents and a track record of collaboration within esteemed companies, Seong Jin Kim is an influential figure in the realm of technological advancements. His contributions not only enhance existing technologies but also pave the way for future innovations in display devices and high-frequency signal processing.