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Efficient, color stable white organic light-emitting diode based on high energy level dopant
- Authors
- Park, Y.-S.; Kang, D.M.; Park, J.-W.; Kwon, S.-K.; Kang, J.-W.; Kim, Y.-H.; Kim, J.-J.
- Issue Date
- Dec-2007
- Keywords
- Color stability; High energy level dopant; white OLED; WOLED
- Citation
- Proceedings of International Meeting on Information Display, v.8, pp 1120 - 1123
- Pages
- 4
- Indexed
- SCOPUS
- Journal Title
- Proceedings of International Meeting on Information Display
- Volume
- 8
- Start Page
- 1120
- End Page
- 1123
- ISSN
- 1738-7558
- Abstract
- Efficient, color stable multi-EML WOLED have been fabricated using newly synthesized yellowish green dopant Ir(chpy)3 or Ir(mchpy)3.. The devices have high external quantum efficiency of 11.7%, color rendering index of 87, variation of CIE coordinate of (0.02, 0.01) between 10 to 5000 cd/m2, and low roll-off in efficiency with increasing brightness.
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