Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6509574 | Optocouplers having integrated organic light-emitting diodes | Han-Tzong Yuan, Tae Seung Kim, Francis G. Celii | 2003-01-21 |
| 6506616 | Photolithographic method for fabricating organic light-emitting diodes | Tae Seung Kim, Francis G. Celii | 2003-01-14 |