Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821651 | Red fluorescent material and organic electroluminescent device containing same | Ki-Jong Han, Ha-Keun Hwang, Ji-Hwan Keum, Young-Kyoo Kim | 2004-11-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821651 | Red fluorescent material and organic electroluminescent device containing same | Ki-Jong Han, Ha-Keun Hwang, Ji-Hwan Keum, Young-Kyoo Kim | 2004-11-23 |