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Solution processed white phosphorescent organic light-emitting diodes with a double layer emitting structure

โœ Scribed by Kyoung Soo Yook; Jun Yeob Lee

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
366 KB
Volume
12
Category
Article
ISSN
1566-1199

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โœฆ Synopsis

Solution processed multilayer white phosphorescent organic light-emitting diodes with a double layer emitting structure were developed using an alcohol soluble phosphorescent host and dopant materials. An alcohol soluble blue phosphorescent emitting layer was spin coated on a toluene soluble red/green emitting layer. A high current efficiency of 17.8 cd/A with a color coordinate of (0.31, 0.46) was obtained from the solution processed double emitting layer white phosphorescent organic light-emitting diodes. In addition, all solution processed multilayer white phosphorescent organic light-emitting diodes were also developed by using the two layer emitting structure.

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