Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141312 | Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives | Andreas Richter, Jens Schöenewerk | 2006-11-28 |
| 7112674 | Organic electroluminescent device based on 2,5-diaminoterephthalic acid derivatives | Andreas Richter, Jens Schöenewerk | 2006-09-26 |
| 6869696 | Organic red electro-luminescent device including a heterocyclic emitter | Andreas Richter, Dietmar Keil | 2005-03-22 |
| 6844089 | Organic red electro-luminescent device and dopant | Andreas Richter, Dietmar Keil | 2005-01-18 |