Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11175443 | Optical filter for anti-reflection and organic light-emitting device | Ji-Youn Lee, Sergey Belyaev, Sun Kug Kim | 2021-11-16 |
| 10943960 | Optical filter for anti-reflection and organic light-emitting device | Eun-Hye Lee, Sergey Belyaev, Ji-Youn Lee, Moon Soo Park, Hyuk Yoon +1 more | 2021-03-09 |