High efficiency ITO-free flexible white organic light-emitting diodes based on multi-cavity technology

Organic Electronics

Volumn 14, Issue 11, 2013, Pages 2840-2846

  Mazzeo, Marco ^a,b   Mariano, Fabrizio ^a   Genco, Armando ^b   Carallo, Sonia ^a   Gigli, Giuseppe ^a,b,c  

^a UNIVERSITY OF SALENTO   (Italy)

^b CNR   (Italy)

^c ISTITUTO ITALIANO DI TECNOLOGIA   (Italy)

Author keywords

Flexible; Microcavity; OLED; White

Indexed keywords

COSTS; EFFICIENCY; EMISSION SPECTROSCOPY; INDIUM COMPOUNDS; ITO GLASS; LIGHT; MICROCAVITIES; OPTOELECTRONIC DEVICES; REFRACTIVE INDEX; SUBSTRATES; TIN OXIDES;

FLEXIBLE; HIGH COLOR RENDERING INDEX; INDIUM TIN OXIDE ELECTRODES; OLED; SIMULTANEOUS ACHIEVEMENT; SIMULTANEOUS OPTIMIZATION; WHITE; WHITE ORGANIC LIGHT EMITTING DIODES;

ORGANIC LIGHT EMITTING DIODES (OLED);

EID: 84883608905     PISSN: 15661199     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.orgel.2013.07.034     Document Type: Article

References (27)

1. M.C. Gather, A. Kohnen, and K. Meerholz White organic light-emitting diodes Adv. Mater. 23 2011 233 248
2. 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
3. J.-H. Jou, S.-M. Shen, C.-R. Lin, Y.-S. Wang, Y.-C. Chou, S.-Z. Chen, and Y.-C. Jou Efficient very-high color rendering index organic light-emitting diode Org. Electr. 12 2011 865 868
4. T.-H. Han, Y. Lee, M.-R. Choi, S.-H. Woo, S.-H. Bae, B.H. Hong, J.-H. Ahn, and T.-W. Lee Extremely efficient flexible organic light-emitting diodes with modified graphene anode Nat. Photonics 6 2012 105 110
5. J.-H. Jou, C.-P. Wang, M.-H. Wu, H.-W. Lin, H.C. Pan, and B.-H. Liu High-efficiency flexible white organic light-emitting diodes J. Mater. Chem. 20 2010 6626 6629
6. Y. Sun, and S.R. Forrest Enhanced light out-coupling of organic light-emitting devices using embedded low-index grids Nat. Photonics 2 2008 483 487
7. 2 for display and lighting applications SID Symp. Digest Tech. Pap. 39 2008 822 825
8. K. Fehse, K. Walzer, K. Leo, W. Lövenich, and A. Elschner Highly conductive polymer anodes as replacements for inorganic materials in high-efficiency organic light-emitting diodes Adv. Mater. 19 2007 441 444 (Pubitemid 46925440)
9. R. Baetens, B.P. Jelle, and A. Gustavsen Requirements and possibilities of smart windows for dynamic daylight and solar energy control in buildings: a statement of the art review Sol. Energy Mater. Sol. Cells 94 2010 87 105
10. M. Thomschke, R. Nitsche, M. Furno, and K. Leo Optimized efficiency and angular emission characteristics of white top-emitting organic electroluminescent diodes Appl. Phys. Lett. 94 2009 083303 083311
11. S. Hofmann, M. Thomschke, B. Lussem, and L. Leo Top-emitting organic light-emitting diodes Opt. Express. 19 2011 1250 1264
12. P. Freitag White top-emitting organic-light emitting diodes with forward direct emission and high color quality Org. Electr. 11 2010 1676 1682
13. T.W. Canzler, S. Murano, D. Pavicic, O. Fadhel, C. Rothe, A. Haldi, M. Hofmann, and Q. Huang Efficiency enhancement in white PIN OLEDs by simple internal outcoupling methods SID Digest 11 2011 975 978
14. S. Chen, and H.-S. Kwok Alleviate microcavity effects in top-emitting white organic light-emitting diodes for achieving broadband and high color rendition emission spectra Org. Electr. 12 2011 2065 2070
15. W. Ji, J. Zhao, Z. Sun, and W. Xie High-color-rendering flexible top-emitting warm-white organic light emitting diode with a transparent multilayer cathode Org. Electr. 12 2011 1137 1141
16. M. Mazzeo, F. Della Sala, F. Mariano, G. Melcarne, S. D'Agostino, Y. Duan, R. Cingolani, and G. Gigli Shaping white light through electroluminescent fully organic coupled microcavities Adv. Mater. 22 2010 4696 4700
17. S. Hofmann, M. Thomschke, P. Freitag, M. Furno, B. Lüssem, and K. Leo Top-emitting organic light-emitting diodes: influence of cavity design Appl. Phys. Lett. 97 2010 253308-1 253308-3
18. ETFOS version 1.5, Fluxim AG, Switzerland. .
19. W.L. Barnes Fluorescence near interfaces: the role of photonic mode density J. Mod. Opt. 45 1998 661 669
20. P.T. Worthing, and W.L. Barnes Spontaneous emission within metal-clad microcavities J. Opt. A: Pure Appl. Opt. 1 1999 501 506 (Pubitemid 30559290)
21. K. Walzer, B. Männig, M. Pfeiffer, and K. Leo Highly efficient organic devices based on electrically doped transport layers Chem. Rev. 107 2007 1233 1271 (Pubitemid 46736538)
22. J.P. Spindler, and K.H. Hatwar Fluorescent-based tandem white OLEDs designed for display and solid-state-lighting applications J. Soc. Info. Display 17 2009 861 868
23. European academic-industrial research project into OLED lighting website: < http://www.oled100.eu >.
24. C.N. Giebink, B.W. D'Andrade, M.S. Weaver, P.B. Mackenzie, J.J. Brown, M.E. Thompson, and S.R. Forrest Intrinsic luminance loss in phosphorescent small-molecule organic light emitting devices due to bimolecular annihilation reactions J. Appl. Phys. 103 2008 044509 1-044509-9
25. Z.B. Wang, M.G. Helander, J. Qiu, D.P. Puzzo, M.T. Greiner, Z.M. Hudson, S. Wang, Z.W. Liu, and Z.H. Lu Unlocking the full potential of organic light-emitting diodes on flexible plastic Nat. Photonics 5 2011 753 757
26. M. Thomschke, S. Reineke, B. Lüssem, and K. Leo Highly efficient white top-emitting organic light-emitting diodes comprising laminated microlens films Nano Lett. 12 2012 424 428
27. T.-W. Koh, H. Cho, C. Yun, and S. Yoo ITO-free down-conversion white organic light-emitting diodes with structured color conversion layers for enhanced optical efficiency and color rendering Org. Electr. 13 2012 3145 3153