Highly efficient white organic light-emitting diodes with single small molecular emitting material

Lei Wang, Mei Fang Lin, Rick W K WONG*, Kok Wai CHEAH, Hoi Lam TAM, Zhi Qiang Gao, Chin H. Chen

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

40 Citations (Scopus)

Abstract

We demonstrate a highly efficient white organic light emitting device with fluorescent small molecule 4, 4′ -bis(9-(1-naphthyl)anthracene-10-yl) biphenyl (BUBH-3). With a simple device architecture of indium tin oxide/tris 4, 4′, 4″ -tris-N-naphthyl-N-phenylamino-triphenylamine (60 nm) N, N′ -bis-(1-naphthyl)- N, N′ -diphenyl- 1, 1′ -biphenyl- 4, 4′ -diamine (10 nm) /BUBH-3 (45 nm) Al q3 (15 nm) LiF (1 nm) Al (150 nm), a white light with CIEx,y color of (0.31,0.36) was generated. The device achieved one of the best single-emitting-material electroluminescence performance of white organic light-emitting devices with efficiencies of 7.0 cdA and 3.17 lmW at 6.9 V.

Original languageEnglish
Article number183504
JournalApplied Physics Letters
Volume91
Issue number18
DOIs
Publication statusPublished - 2007

Scopus Subject Areas

  • Physics and Astronomy (miscellaneous)

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