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Highly Efficient Deep-Blue Phosphorescent Organic Light-Emitting Diodes Using Iridium(III) Bis[(5-cyano-4-fluorophenyl)pyridinato-N,C-2 ']picolinate as an Emitter
- Authors
- Seo, Ji Hoon; Kim, Gu Young; Kim, Jun Ho; Park, Jung Sun; Seo, Bo Min; Lee, Kum Hee; Yoon, Seung Soo; Kim, Young Kwan
- Issue Date
- Aug-2009
- Publisher
- JAPAN SOC APPLIED PHYSICS
- Citation
- JAPANESE JOURNAL OF APPLIED PHYSICS, v.48, no.8
- Journal Title
- JAPANESE JOURNAL OF APPLIED PHYSICS
- Volume
- 48
- Number
- 8
- ISSN
- 0021-4922
- Abstract
- The authors have demonstrated highly efficient deep-blue phosphorescent organic light-emitting diodes (BPHOLEDs) using iridium(III) bis[(5-cyano-4-fluorophenyl)pyridinato-N,C-2']picolinate (FCNlrpic) as a blue emitter. FCNlrpic has a deeper-blue color than iridium(III) bis[4,6-(difluorophenyl)pyridinato-N,C-2']picolinate. The BPHOLEDs with FCNlrpic showed a maximum luminous efficiency of 19.00cd/A, a maximum external quantum efficiency of 10.70%, and Commission Internationale de L'Eclairage coordinates (CIEx,y) of (0.16,0.26). (C) 2009 The Japan Society of Applied Physics
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Related Researcher
- Kim, Young Kwan
- Engineering (Applied Science)