Enhancement of normally directed light outcoupling from organic light-emitting diodes using nanoimprinted low-refractive-index layer

@article{Jeong2008EnhancementON,
  title={Enhancement of normally directed light outcoupling from organic light-emitting diodes using nanoimprinted low-refractive-index layer},
  author={Soon Moon Jeong and F. Araoka and Y. Machida and K. Ishikawa and H. Takezoe and S. Nishimura and G. Suzaki},
  journal={Applied Physics Letters},
  year={2008},
  volume={92},
  pages={083307}
}
The authors have demonstrated increased light outcoupling from organic light-emitting diodes (OLEDs) based on nanoimprinted amorphous fluoropolymer, poly[perfluoro(4-vinyloxy-l-butene)] (PPFVB). Because PPFVB has a low refractive index and a high transmittance over wide wavelength range, the first-order Bragg diffracted light shows high directionality and decreased waveguide absorption. These characteristics provide an advantage for small- or medium-sized OLEDs, which are mainly viewed from the… Expand
Enhanced light extraction from organic light-emitting diodes using a quasi-periodic nano-structure.
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