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New deep-blue EML materials based on fully substituted ethylene and anthracene derivatives

  • Soo Kang Kim
  • , Jong Wook Park
  • , Kyoung Soo Kim
  • , Cheol Kyu Choi
  • , Sang Do Lee
  • , Sang Wook Kim

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

New blue fluorescent compounds containing tetra-substituted ethylene moieties have been designed and synthesized. By fabricating multilayered non-doped OLED devices using these new blue materials, we achieved luminance efficiencies of 4.00 lm/W (10.33 cd/A at 8.1 V) for BPBAPE[CB-104] and 1.82 lm/W (3.93 cd/A at 6.8 V) for BTPPA [CB-105B] at 10 mA/cm2. The BPBAPE [CB-104] and BTPPA [CB-105B] devices exhibited sky blue emission (0.195, 0.303) and deep blue emission (0.159, 0.135) at 10mA/cm2 respectively. We also synthesized new kinds of blue materials such as CB-201, 202, and 203. CB-203 device showed 3.11cd/A of current efficiency and (0.148, 0.088) CIE value.

Original languageEnglish
Pages (from-to)879-882
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: 23 May 200725 May 2007

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