Characterization of Thin Film Passivation for OLED by PECVD

  • Kim K
  • Jang S
  • Kim J
  • et al.
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Abstract

The relatively short lifetime is a major obstruction for the com. applications of OLED. One of the reason for the short lifetime is that the organic materials are interacted with water or oxygen in the atm. Protection of water or oxygen from diffusing into the organic material layers are necessary to increase the lifetime of OLED. Although encapsulation of OLED with glass or metal cans has been established, passivation methods of OLED by organic/inorganic thin films are still being developed. In this paper we have developed in-situ passivation system and thin film passivation method using PECVD by which deposition can be performed at room temperature We have analyzed the characteristics of the passivated OLED device also. The WVTR (Water Vapor Transmission Rate) for the inorganic thin film mono-layer can be reached down to 1 × 10-2 g/m2·day and improved lifetime can be obtained. Thin film passivation methods are expected to be applied to flexible display.

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APA

Kim, K., Jang, S., Kim, J., & Chang, S. (2012). Characterization of Thin Film Passivation for OLED by PECVD. Korean Chemical Engineering Research, 50(3), 574–581. https://doi.org/10.9713/kcer.2012.50.3.574

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