Reduction of guided waves in ITO/glass interface of white organic light emitting diodes (WOLEDs): Layer optimization

Optik

Volumn 124, Issue 21, 2013, Pages 5061-5063

  Matloub, S ^a   Noori, M ^a   Rostami, A ^a  

^a UNIVERSITY OF TABRIZ   (Iran)

Author keywords

12 fold quasi photonic crystal; IQE; ITO; TIR; WOLED

Indexed keywords

INDIUM TIN OXIDE; IQE; ITO; TIR; TOTAL INTERNAL REFLECTIONS; TRAPPED LIGHT; WHITE ORGANIC LIGHT EMITTING DIODES; WOLED;

GUIDED ELECTROMAGNETIC WAVE PROPAGATION; OPTOELECTRONIC DEVICES; ORGANIC LIGHT EMITTING DIODES (OLED); PHOTONIC CRYSTALS; REFRACTIVE INDEX;

ITO GLASS;

EID: 84883451780     PISSN: 00304026     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijleo.2013.03.066     Document Type: Article

References (22)

1. S. Murano, M. Burgharta, J. Birnstock, P. Wellmann, M. Vehse, A. Wernera, T. Canzlera, T. Stübingera, G. Heb, M. Pfeifferb, and H. Boernerc Highly efficient white OLEDs for lighting applications Proc. SPIE 5937 2005 59370H
2. L. Feng, L. Xiao, Z. Junhu, and Y. Bai Enhanced light extraction from organic light-emitting devices by using microcontact printed silica colloidal crystals Org. Electron. 8 5 2007 (Elsevier)
3. B.W. D'Andrade, R.J. Holmes, and S.R. Forrest Efficient organic electro phosphorescent white-light-emitting device with a triple doped emissive layer Adv. Mater. 2004 624 628
4. Q. Wang, J. Ding, D. Ma, Y. Cheng, L. Wang, X. Jing, and F. Wang Harvesting exciton via two parallel channels for efficient white organic leds with nearly 100% internal quantum efficiency: fabrication and emission-mechanism analysis Adv. Funct. Mater. 19 1 January 9, 2009 84 95
5. L. Xiao, S.J. Su, Y. Agata, H. Lan, and J. Kido Nearly 100% internal quantum efficiency in an organic blue-light electro phosphorescent device using a weak electron transporting material with a wide energy gap Adv. Mater. 21 12 2009 1271 1274
6. S. Reineke, F. Lindner, G. Schwartz, N. Seidler, K. Walzer, B. Lüssem, and K. Leo White organic light-emitting diodes with fluorescent tube efficiency Nature 459 2009 234 238
7. S.H. Cho, J.R. Oh, H.K. Park, H.K. Kim, Y.H. Lee, J.G. Lee, and Y.R. Do Highly efficient phosphor-converted white organic light-emitting diodes with moderate micro cavity and light-recycling filters Opt. Express 18 2 2010 1099 1104
8. E.L. Williams, K. Haavisto, J. Li, and G.E. Jabbour Excimer-based white phosphorescent organic light emitting diodes with nearly 100% internal quantum efficiency Adv. Mater. 19 2 2007 197 202
9. M.H. Lu, and J.C. Sturm External coupling and cathode effects in organic light-emitting devices: modeling and experiments, Organic light-emitting materials and devices Proc. SPIE 4464 2002 187
10. B. Riedel, I. Kaiser, J. Hauss, U. Lemmer, and M. Gerken Improving the out coupling efficiency of indium-tin-oxide-free organic light-emitting diodes via rough internal interfaces Opt. Express 18 S4 2010 A631 A639
11. G. Georg, and G. Horst Light extraction from OLEDs with (high) index matched glass substrates, Organic optoelectronics and photonics III Proc. SPIE 6999 2008 69992T-69992T-12
12. H. Peng, Y.L. Ho, X.J. Yu, M. Wong, H.S. Kwok, Coupling efficiency enhancement of organic light emitting devices with refractive microlens array on high index glass substrate, J. Display Technol. 1 (2) (2005) 278.
13. R.J. Yan, and Q.K. Wang Enhancement of light extraction efficiency in OLED with periodic nano-structure 1st IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS '06 2006 713 716
14. Y. Rongjin, and W.Q. kang Enhancement of light extraction efficiency in OLED with two-dimensional photonic crystal slabs Chin. Opt. Lett. 4 6 2006 353 356
15. V. Peter, N.U. Angel, V.B. Carl, V. Steven, B. Peter, D. Peter, N. Kristiaan, and B. Roel Employing a 2D surface grating to improve light out coupling of a substrate emitting organic LED Proc. SPIE 6486 2007 64860H
16. C. Xiong, B. Zhang, X.N. Kang, T. Dai, and G.Y. Zhang Two-dimensional photonic quasicrystal on the surface of GaN-based light emitting diodes Semicond. Sci. Technol. 25 2010 065006
17. H.W. Huang, C.H. Lin, K.Y. Lee, C.C. Yu, J.K. Huang, B.D. Lee, H.C. Kuo, K.M. Leung, and S.C. Wang Enhanced light output power of GaN-based vertical-injection light-emitting diodes with a 12-fold photonic quasi-crystal by nano-imprint lithography Semicond. Sci. Technol. 24 2009 085008
18. 2 nano-scale structure on a p-GaN surface Semicond. Sci. Technol. 25 2010 065007
19. M.E. Zoorob, M.D.B. Charlton, G.J. Parker, J.J. Baumberg, and M.C. Netti Complete photonic band gaps in 12-fold symmetric quasicrystals Lett. Nat. 404 2000 740 743
20. M. Oxborrow, and C.L. Henley Random square-triangle tilings: a model for twelve fold symmetric quasicrystals Phys. Rev. B 48 1993 6966
21. H. Zhao, R.P. Zaccaria, J.-F. Song, S. Kawata, and H.-B Sun Photonic quasicrystals exhibit zero-transmission regions due to translational arrangement of constituent parts Phys. Rev. B 79 2009 115118
22. A. Rostami, S. Matloub, and A. Haddadpour Q-factor microcavity design based on 12-fold photonic quasicrystals Fiber Integr. Opt. 30 2 2011 125 138