Highly efficient exciplex emitting white OLED based on complementary emitters

Young Min Kim, Young Wook Park, Jin Woo Huh, Jin Hwan Choi, Byeong Kwon Ju, Jae Hoon Jung, Jai Kyeong Kim

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

We demonstrate white organic light-emitting diodes (OLEDs) by exciplex formation at organic solid-state interface between a charge transport layer and an emitting layer. White OLEDs have complementary emitters with an emission peak of 400 nm around the near-ultraviolet, and an emission peak of 580 producing a yellow color. The EL spectra of the white OLEDs have shown a covering through visual range from 400 to 780 nm. The CIE coordinate of the emitted light was (0.34, 0.34) with low driving current density (8.6 mA/cm2) and high efficiency (12 cd/A, 2 lm/W) at 1 000 cd/m2.

Original languageEnglish
Pages (from-to)796-799
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Volume38
Issue number1
DOIs
Publication statusPublished - 2007
Event2007 SID International Symposium - Long Beach, CA, United States
Duration: 2007 May 232007 May 25

ASJC Scopus subject areas

  • Engineering(all)

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