Solution-processed photonic crystals to enhance the light outcoupling efficiency of organic light-emitting diodes

Applied Optics

Volumn 49, Issue 21, 2010, Pages 4024-4028

  Cho, Hwan Hee ^a   Park, Boik ^a   Kim, Hyong Jun ^a,b   Jeon, Sohee ^c   Jeong, Jun Ho ^c   Kim, Jang Joo ^a  

^a Seoul National University   (South Korea)

^b Kongju National University   (South Korea)

^c Korea Institute of Machine and Materials   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL STRUCTURE; CURING; EFFICIENCY; LEAKAGE CURRENTS; LIGHT EMITTING DIODES; NANOIMPRINT LITHOGRAPHY; PHOTONIC CRYSTALS;

EFFECTIVE SOLUTION; LIGHT OUTCOUPLING; LOW-LEAKAGE CURRENT; ORGANIC LIGHT EMITTING DIODES(OLEDS); OUT-COUPLING EFFICIENCY; PHOTONIC CRYSTAL LAYERS; PHOTONIC CRYSTAL SUBSTRATES; SOLUTION-PROCESSED;

ORGANIC LIGHT EMITTING DIODES (OLED);

EID: 77955854614     PISSN: 1559128X     EISSN: 15394522     Source Type: Journal    
DOI: 10.1364/AO.49.004024     Document Type: Article

References (13)

1. I. Schnitzer, E. Yablonovitch, C. Caneau, T. J. Gmitter, and A. Scherer, "30% external quantum efficiency from surface textured, thin-film light-emitting diodes," Appl. Phys. Lett. 63, 2174-2176 (1993).
2. T. Tsutsui, M. Yahiro, H. Yokogawa, K. Kawano, and M. Yokoyama, "Doubling coupling-out efficiency in organic light-emitting devices using a thin silica aerogel layer," Adv. Mater. 13, 1149-1152 (2001).
3. S. Moller and S. R. Forrest, "Improved light out-coupling in organic light emitting diodes employing ordered microlens arrays," J. Appl. Phys. 91, 3324-3327 (2002).
4. Y.-H. Cheng, J.-L. Wu, C.-H. Cheng, K.-C. Syao, and M.-C. M. Lee, "Enhanced light outcoupling in a thin film by texturing meshed surfaces," Appl. Phys. Lett. 90, 091102 (2007).
5. S. M. Jeong, F. Araoka, Y. Machida, K. Ishikawa, H. Takezoe, S. Nishimura, and G. Suzaki, "Enhancement of normally directed light outcoupling from organic light-emitting diodes using nanoimprinted low-refractive-index layer," Appl. Phys. Lett. 92, 083307 (2008).
6. K. Ishihara, M. Fusita, I. Matsubara, T. Asano, S. Noda, H. Ohata, A. Hirasawa, H. Nakada, and N. Shimoji, "Organic light-emitting diodes with photonic crystals on glass substrate fabricated by nanoimprint lithography," Appl. Phys. Lett. 90, 111114 (2007).
7. A. O. Altun, S. Jeon, J. Shim, J.-h. Jeong, D.-G. Choi, K.-D. Kim, J.-H. Choi, S.-W. Lee, E.-S. Lee, H.-D. Park, J. R. Youn, J.-J. Kim, Y.-H. Lee, and J.-W. Kang, "Corrugated organic light emitting diodes for enhanced light extraction," Org. Electron. 11, 711-716 (2010).
8. x photonic rystals," Adv. Mater. 15, 1214-1218 (2003).
9. Y.-J. Lee, S.-H. Kim, J. Huh, G.-H. Kim, Y.-H. Lee, S.-H. Cho, Y.-C. Kim, and Y.-R. Do, "A high-extraction-efficiency nanopatterned organic light-emitting diode," Appl. Phys. Lett. 82, 3779-3781 (2003).
10. S. Jeon, J.-W. Kang, H.-D. Park, J.-J. Kim, Jae R. Youn, J. Shim, J.-h. Jeong, D.-G. Choi, K.-D. Kim, A. O. Altun, S.-H. Kim, and Y.-H. Lee "Ultraviolet nanoimprinted polymer nanostructure for organic light emitting diode application," Appl. Phys. Lett. 92, 223307 (2008).
11. L. L. Hench and J. K. West, "The sol-gel process," Chem. Rev. 90, 33-72 (1990).
12. M. Ohyama, H. Kozuka, and T. Yoko, "Sol-gel preparation of ZnO films with extremely preferred orientation along (002) plane from zinc acetate solution," Thin Solid Films 306, 78-85 (1997).
13. R.-C. Perez, O.-J. Sandoval, S.-J. Sandoval, J.-M. Marin, A.-M. Galvan, G.-T. Delgado, and A.-M. Alvarez, "Influence of annealing temperature on the formation and characteristics of sol-gel prepared ZnO films," J. Vac. Sci. Technol. A 17, 1811-1816 (1999).