All-solution-processed multilayered small-molecule oleds with high device efficiency

Hsin Rong Tseng, Hsin-Fei Meng, Jia Da You, Sheng Fu Horng, Feng Wen Yen, I. Feng Lin

Research output: Contribution to journalConference articlepeer-review

Abstract

All-solution-processed multilayer blue small molecular organic light-emitting diodes are fabri-cated by blade coating method. Fluorescent blue host,1-(7-(9,9’-bianthracen-10-yl)-9,9-dioctyl-9H-fluoren-2-yl)pyrene, and blue dopant, 4,4’-(1E,1’E)-2,2’-(naphthalene-2,6-diyl)bis(ethene-2,1-diyl)bis(N,N-bis(4-hexylphenyl)aniline), are synthesized to achieve good solubility and pinhole-free thin film by solution process. The multilayer device structure with hole/electron transport layer is achieved by blade coating method without the dissolution problem between layers. The efficiency of the all-solution-processed device is 4.8 cd/A at 1,200 cd/m2, close to that by thermal deposition in high vacuum chamber.

Original languageEnglish
Pages (from-to)1737-1739
Number of pages3
JournalDigest of Technical Papers - SID International Symposium
Volume40
Issue number1
DOIs
StatePublished - 1 Jan 2009
Event2009 Vehicles and Photons Symposium - Dearborn, MI, United States
Duration: 15 Oct 200916 Oct 2009

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