Characterization of the multi-layer encapsulation of thin films on ethylene terephthalate (PET)

Jin Woo Han, Hee Jin Kang, Jong Hwan Kim, Young Hwan Kim, Dae Shik Seo, Yong Hoon Kim, Dae Gyu Moon, Jung In Han

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this paper, the inorganic-organic thin film encapsulation layer was newly adopted to protect the organic layer from moisture and oxygen. Using the electron beam, sputter and spin-coater system, the various kinds of inorganic and organic thin-films were deposited onto the Ethylene Terephthalate (PET) and their interface properties between organic and inorganic layer were investigated. In this investigation, the SiON and Polyimide (PI) layer showed the most suitable properties Under these conditions, the WVTR for PET can be reduced from a level of 0.57g/m 2/day (bare substrate) to 1*10 -5g/m 2/day after application of a SiON and PI layer. These results indicate that the SiON/PI/SiON/PI/PET barrier coatings have high potential for flexible organic light-emitting diode (OLED) applications.

Original languageEnglish
Pages (from-to)255-261
Number of pages7
JournalMolecular Crystals and Liquid Crystals
Volume458
Issue number1
DOIs
Publication statusPublished - 2006 Nov 1

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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