Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797129 | Organic light-emitting device structure using metal cathode sputtering | Joseph K. Madathil | 2004-09-28 |
| 6794061 | Organic electroluminescent device having an adhesion-promoting layer for use with a magnesium cathode | Liang-Sheng Liao, Joseph K. Madathil, Ching W. Tang | 2004-09-21 |
| 6765349 | High work function metal alloy cathode used in organic electroluminescent devices | Liang-Sheng Liao, Joseph K. Madathil | 2004-07-20 |