Ultraviolet-assisted synthesis of encapsulating adhesives and their application for lifetime improvement of organic light emitting diodes

Chen Ming Chen, Ming Hua Chung, Tsung-Eong Hsien*, Bohr Ran Huang, Huai En Hsieh, Fuh Shyang Juang, Yu Sheng Tsai, Mark O. Liu, Jen Lien Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The lifetimes of organic light emitting diodes (OLEDs) have been successfully enhanced with the modulation of LiF thickness and the utilization of encapsulating adhesives, which have been successfully and quickly synthesized with UV irradiation. Experimental results demonstrate that LiF and lab-made encapsulating adhesives can block the invasion of moisture as well as oxygen in the atmosphere into the OLEDs so that the lifetimes of devices with their encapsulation are 18-folds longer than those without encapsulation.

Original languageEnglish
Pages (from-to)746-749
Number of pages4
JournalCurrent Applied Physics
Volume9
Issue number4
DOIs
StatePublished - 1 Jul 2009

Keywords

  • Electrical properties and measurements
  • Luminescence
  • OLEDs
  • Polymers

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