Referenced Items are not available for this document.
In this paper, we examined the effect of post-packaging annealing on the performance of organic light-emitting diodes containing tris-(8-hydroxyquinoline) aluminum (Alq,) or 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline (BCP) in direct contact with a LiF-Al bilayer cathode. The detailed electroluminescent (EL) characteristics were compared before and after annealing at 70 degC for 5 hrs. It was found that better luminous efficiency as well as greater power efficiency could be achieved for devices with BCP/LiF/Al structure. However, other devices consisting of Alq3/LiF/Al were less affected. It is believed that the thermal treatment helps to enhance the electron injection for the former, and less helpful for the latter
Published in:
Display Technology, Journal of
(Volume:2
,
Issue:
2
)
Date of Publication: June 2006
- Page(s):
- 138 - 142
- ISSN :
- 1551-319X
- INSPEC Accession Number:
- 8953187
- Digital Object Identifier :
- 10.1109/JDT.2006.872304
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 05 June 2006
- Issue Date :
- June 2006
- Sponsored by :
- IEEE Broadcast Technology Society
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