DocumentCode
1167147
Title
Dramatically improved lifetime operation and luminous efficiency for flexible organic light-emitting devices by oxygen plasma and nitrogen treatments
Author
Ho, Jyh-Jier
Author_Institution
Dept. of Electron. Eng., Fortune Inst. of Technol., Kaohsiung, Taiwan
Volume
39
Issue
5
fYear
2003
fDate
3/6/2003 12:00:00 AM
Firstpage
458
Lastpage
460
Abstract
Experimental results show that the turn-on and driving voltages are reduced from 7.7 to 0.3 V and 8 to 5 V respectively, with both O2 plasma and N2 treatments, thus extending the developed organic light-emitting device (OLED) lifetime. The current efficiency (γ) and the power efficiency (η), and thus in turn the output luminance of OLEDs treated by both treatments, are improved about sixfold and tenfold, respectively, under the 2.78 mA/cm2 driving current.
Keywords
brightness; nitrogen; organic light emitting diodes; oxygen; plasma materials processing; 0.3 V; 5 V; IZO transparent anode contact; N2; N2 treatment; O2; O2 plasma pre-treatment; OLED lifetime improvement; driving voltages; flexible OLEDs; luminous efficiency improvement; organic light emitting diodes; plastic substrate; turn-on voltages;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20030314
Filename
1190012
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