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Effects of barrier film on optical properties of quantum dot film

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2020, 30(2), pp.78-81
  • DOI : 10.6111/JKCGCT.2020.30.2.078
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : March 16, 2020
  • Accepted : April 13, 2020
  • Published : April 30, 2020

Jung-Il Lee 1,  Kim young joo 1,  Jeong-ho Ryu 1

1한국교통대학교

Accredited

ABSTRACT

Quantum dot efficiency was increased to evaluate reliability and optical characteristics using incidental materials. Quantum dot was manufactured by wrapping a sandwich type quantum layer using a product with a barrier property toprevent water and oxygen because it is vulnerable to oxygen and moisture. We used the three quantum dot films consisting of quantum dot only and quantum dot products consisting of film and barrier film combined with PET in the quantum dot product to evaluate the change over 650 hours under high temperature and high humidity conditions at 60°C and 90 % humidity. As a result, the quantum dot product with Barrier Film has lowered luminance by 8 %, CIE x by 2 % and CIEy by 8 %. Quantum dot products exposed to moisture and oxygen were oxidized and measured low before measurement.

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This paper was written with support from the National Research Foundation of Korea.
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