Abstract
Recombination zone of green phosphorescent organic light-emitting diodes (PHOLEDs) with triplet mixed host was studied using red sensing layer. Recombination zone of triplet mixed host device with 4,4′,4″-tris(N-carbazolyl)triphenylamine and 1,3,5-tris(N-phenylbenzimidazole-2-yl)benzene as hosts was rather dispersed compared with that of single host device with recombination zone near charge transport layer. The recombination zone was shifted to hole transport side at high driving voltage.
| Original language | English |
|---|---|
| Pages (from-to) | 181-184 |
| Number of pages | 4 |
| Journal | Journal of Industrial and Engineering Chemistry |
| Volume | 16 |
| Issue number | 2 |
| DOIs | |
| State | Published - 25 Mar 2010 |
| Externally published | Yes |
Keywords
- Mixed host device
- Phosphorescent organic light-emitting diodes
- Recombination zone
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