Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830834 | Organic light emitting devices with host-guest bonding | Xiao Li, Kazunori Ueno | 2004-12-14 |
| 6770385 | Fluorescent bis-coumarins for organic light-emitting devices | Travis P. S. Thoms, Bing R. Hsieh | 2004-08-03 |
| 6713781 | Organic light-emitting device having phenanthroline-fused phenazine | Xiao Li | 2004-03-30 |
| 6686065 | [5]-helicene and dibenzofluorene materials for use in organic light emitting devices | — | 2004-02-03 |