Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579629 | Cathode layer in organic light-emitting diode devices | Ching W. Tang, Joseph K. Madathil | 2003-06-17 |
| 6558820 | High contrast light-emitting diode devices | Joseph K. Madathil | 2003-05-06 |
| 6551725 | Inorganic buffer structure for organic light-emitting diode devices | Joseph K. Madathil | 2003-04-22 |