Location History:
- Gyeonggi-Do, KR (2014)
- Gwangmyeong-si, KR (2016 - 2019)
- Paju-si, KR (2020 - 2022)
- Seoul, KR (2023 - 2024)
Company Filing History:
10 out of 12,709 
1 out of 4 
1 out of 832,880 Years Active: 2014-2025
Title: Seung-Ryong Joung: Innovator in Organic Light Emitting Devices
Introduction
Seung-Ryong Joung is a prominent inventor based in Gwangmyeong-si, South Korea. He has made significant contributions to the field of organic light emitting devices, holding a total of 11 patents. His work focuses on enhancing the efficiency and performance of display technologies.
Latest Patents
Among his latest patents is an organic light emitting device and display device using the same. This invention discusses an organic light emitting device where the light emitting layer includes a host and various dopants. The fluorescent dopant is made from a material with energy level properties that facilitate thermally activated delayed fluorescence (TADF). This design allows for concentrated energy transfer to the fluorescent dopant, thereby increasing the luminous efficacy of a single color. Another notable patent is for a display panel and head mounted display device that improves luminance by altering the inner structure of an organic light emitting stack and a color transmission structure.
Career Highlights
Seung-Ryong Joung has worked with LG Display Co., Ltd., where he has contributed to advancements in display technology. His expertise in organic light emitting devices has positioned him as a key figure in the industry.
Collaborations
Throughout his career, Joung has collaborated with notable colleagues, including Hong-Seok Choi and Gyeong-Woo Kim. These partnerships have furthered his research and development efforts in innovative display technologies.
Conclusion
Seung-Ryong Joung's contributions to organic light emitting devices have significantly impacted the display technology landscape. His innovative patents and collaborations highlight his role as a leading inventor in this field.