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High quantum efficiency of new deep-blue EML materials in OLED
- Issue Date
- Jul-2008
- Publisher
- Society for Information Display
- Citation
- Digest of Technical Papers - SID International Symposium, v.39, no.1, pp.2001 - 2004
- Indexed
- SCOPUS
- Volume
- 39
- Number
- 1
- Start Page
- 2001
- End Page
- 2004
- ISSN
- 0097-966X
- Abstract
- We investigated new deep blue emitting materials including a novel side group such as CB-203. CB-203 shows relatively 40% increased PL quantum efficiency and higher Tg of 30°C compared to MADN. It exhibits high External Quantum Efficiency (EQE) of 7.18% that is two times bigger than MADN's, which is the best efficiency in case of non-doped blue fluorescence OLED device to our knowledge. And deep blue emitting materials with a new core structure (CB-301) have been synthesized. CB-301 exhibit excellent blue fluorescence properties. Undoped OLED devices using CB-301 as blue emitters was found to deep blue CIE value (0.154, 0.078) and exhibit high luminance efficiencies of 2.01cd/A at 10 mA/cm2.
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Collections - 서울 공과대학 > 서울 유기나노공학과 > 1. Journal Articles
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Related Researcher
- Jaung, Jae Yun
- COLLEGE OF ENGINEERING (DEPARTMENT OF ORGANIC AND NANO ENGINEERING)