Abstract
High efficiency pure white organic light-emitting diodes (WOLEDs) were developed using a highly efficient diphenylaminofluorene-based deep blue fluorescent material (DAF). A high quantum efficiency of 7.1% with color coordinates of (0.15, 0.18) were obtained from the DAF-doped blue device, which was then combined with phosphorescent red/green devices. A mixed interlayer was used to control the color coordinates and charge balance in the emitting layer of the WOLEDs. The pure white hybrid WOLEDs showed a high quantum efficiency of 12.3%.
| Original language | English |
|---|---|
| Pages (from-to) | 1378-1381 |
| Number of pages | 4 |
| Journal | Organic Electronics |
| Volume | 10 |
| Issue number | 7 |
| DOIs | |
| State | Published - Nov 2009 |
| Externally published | Yes |
Keywords
- Fluorescent blue material
- High quantum efficiency
- Hybrid white organic light-emitting diodes
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