Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11133472 | Organic light-emitting diode having long lifespan, low voltage, and high efficiency property | Soon-Wook Cha, Sang Woo Park, Jung-Ho Yoo, Ji Hwan Kim, Sung Woo Kim +1 more | 2021-09-28 |
| 10981938 | Polycyclic aromatic compounds and organic electroluminescent devices using the same | Sunghoon Joo, Ji Hwan Kim, Byung-sun YANG, Sungeun Choi, Su Jin Kim +1 more | 2021-04-20 |