Tricolor resonant cavity organic light-emitting diodes using dielectric distributed Bragg reflector in resonant cavity

Ching Ting Lee, Hung Wei Ho

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Various-thick indium-tin oxide films and dielectric distributed Bragg reflector (DDBR) were utilized in resonant cavity to obtain the tricolor resonant cavity organic light-emitting diodes (RCOLEDs). The Commission Internationale d'Eclairage (CIE) coordinate of the resulting red, green, and blue RCOLEDs was (0.528, 0.393), (0.315, 0.575), and (0.186, 0.076), respectively. Compared with the conventional white OLEDs, these tricolor RCOLEDs revealed higher luminance efficiency. Since the resonant effect was caused from the resonant cavity structure with properly designed DDBR, the color purity and cavity quality factor of the tricolor RCOLEDs were also improved by narrowing the emission spectrum band and reducing carrier lifetime.

Original languageEnglish
Pages (from-to)153-155
Number of pages3
JournalSolid-State Electronics
Volume89
DOIs
Publication statusPublished - 2013 Sep 16

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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