Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755999 | Blue luminescent materials for organic electroluminescent devices | Chin H. Chen, Kevin P. Klubek | 1998-05-26 |
| 5683823 | White light-emitting organic electroluminescent devices | Ching W. Tang | 1997-11-04 |
| 5645948 | Blue organic electroluminescent devices | Ching W. Tang, Chin H. Chen | 1997-07-08 |
| 5623080 | Fluorone and pyronin Y derivatives | Douglas C. Neckers | 1997-04-22 |
| 5593788 | Organic electroluminescent devices with high operational stability | Ching W. Tang | 1997-01-14 |
| 5563267 | Method of making trialkali and triammonium salts of tmt | Charles S. Christ, Jr. | 1996-10-08 |
| 5554450 | Organic electroluminescent devices with high thermal stability | Chin H. Chen, Steven A. Van Slyke, Ching W. Tang | 1996-09-10 |
| 5451343 | Fluorone and pyronin y derivatives | Douglas C. Neckers | 1995-09-19 |
| 5395862 | Photooxidizable initiator composition and photosensitive materials containing the same | Douglas C. Neckers | 1995-03-07 |