Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727644 | Organic light-emitting device having a color-neutral dopant in an emission layer and in a hole and/or electron transport sublayer | Ralph H. Young | 2004-04-27 |
| 6719936 | Method of making a solid compacted pellet of organic material for vacuum deposition of OLED displays | Donn B. Carlton, Syamal K. Ghosh | 2004-04-13 |
| 6720092 | White organic light-emitting devices using rubrene layer | — | 2004-04-13 |
| 6706226 | Compacting moisture-sensitive organic materials in making an organic light-emitting device | Syamal K. Ghosh, Donn B. Carlton | 2004-03-16 |
| 6696177 | White organic electroluminescent devices with improved stability and efficiency | — | 2004-02-24 |
| 6692846 | Organic electroluminescent device having a stabilizing dopant in a hole-transport layer or in an electron-transport layer distant from the emission layer | Ralph H. Young | 2004-02-17 |
| 6676990 | Method of depositing aluminum-lithium alloy cathode in organic light emitting devices | Gopalan Rajeswaran | 2004-01-13 |