High-efficiency and color stable deep-blue organic light-emitting diodes

@article{Park2010HighefficiencyAC,
  title={High-efficiency and color stable deep-blue organic light-emitting diodes},
  author={Jung Sun Park and Ji Hoon Seo and Ja Ryong Koo and Bo Min Seo and Kum Hee Lee and Jeong Keun Park and Seung Soo Yoon and Young Kwan Kim},
  journal={2010 3rd International Nanoelectronics Conference (INEC)},
  year={2010},
  pages={726-727}
}
We have demonstrated high-efficiency and color stable deep-blue organic light emitting diodes (OLED) using 4,4′-Bis (9-ethyl-3-carbazovinylene)-1,1′ -biphenyl doped in new blue host material as emitting layer. As host change of the doped blue emitter, blue OLED improved efficiency and exhibited color stability. The optimized blue OLED showed the peak external quantum efficiency of 4.72%, luminous efficiency of 5.12 cd/A at 0.08 mA/cm2, and Commission Internationale de I'Eclairage coordinates of… CONTINUE READING

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