Comparative study of single and multiemissive layers in inverted white organic light-emitting devices

Ta Ya Chu*, Jenn-Fang Chen, Szu Yi Chen, Chin H. Chen

*Corresponding author for this work

Research output: Contribution to journalArticle

23 Scopus citations

Abstract

The authors have fabricated and compared highly efficient inverted white organic light-emitting devices (WOLEDs) with a single emission layer (SEL) and with a multiemission layer (MEL). The efficiency levels of the WOLEDs with a SEL and a MEL achieved 13.0 cd/A, 10.6 lm/W and 11.3 cd/A, 7.3 lm/W, respectively. The projected half lifetime of a SEL device under an initial luminance of 400 cd/m2 is expected to be over 34 000 h, which is five times better than that of a MEL device of 6350 h. The Commission International de l'Eclairage coordinates of a SEL device are not affected by aging.

Original languageEnglish
Article number113502
JournalApplied Physics Letters
Volume89
Issue number11
DOIs
StatePublished - 21 Sep 2006

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