Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501217 | Anode modification for organic light emitting diodes | Tilman Beierlein, Eliav Haskal, Heike E. Riel, Walter Riess, Paul F. Seidler +1 more | 2002-12-31 |
| 6433355 | Non-degenerate wide bandgap semiconductors as injection layers and/or contact electrodes for organic electroluminescent devices | Walter Riess | 2002-08-13 |