Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638646 | Substituted poly(arylenevinylenes), process for their preparation, and their use in electroluminescent elements | Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Hermann Schenk | 2003-10-28 |
| 6559473 | Light-emitting diodes with hetero-PN-junction | Wen-Bing Kang, Akihiko Tokida | 2003-05-06 |