Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |