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A high quality liquid-type quantum dot white light-emitting diode

  • Chin Wei Sher
  • , Chin Hao Lin
  • , Huang Yu Lin
  • , Chien-Chung Lin*
  • , Che Hsuan Huang
  • , Kuo Ju Chen
  • , Jie Ru Li
  • , Kuan Yu Wang
  • , Hsien Hao Tu
  • , Chien Chung Fu
  • , Hao-Chung Kuo
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

This study demonstrates a novel package design to store colloidal quantum dots in liquid format and integrate them with a standard LED. The high efficiency and high quality color performance at a neutral white correlated color temperature is demonstrated. The experimental results indicate that the liquid-type quantum dot white light-emitting diode (LQD WLED) is highly efficient and reliable. The luminous efficiency and color rendering index (CRI) of the LQD WLED can reach 271 lm Wop-1 and 95, respectively. Moreover, a glass box is employed to prevent humidity and oxygen erosion. With this encapsulation design, our quantum dot box can survive over 1000 hours of storage time.

Original languageEnglish
Pages (from-to)1117-1122
Number of pages6
JournalNanoscale
Volume8
Issue number2
DOIs
StatePublished - 14 Jan 2016

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