Extracting the emitter orientation in organic light-emitting diodes from external quantum efficiency measurements

Applied Physics Letters

Volumn 105, Issue 4, 2014, Pages

  Schmidt, Tobias D ^a   Reichardt, Lukas J ^a   Rausch, Andreas F ^b   Wehrmeister, Sebastian ^a   Scholz, Bert J ^a   Mayr, Christian ^a   Wehlus, Thomas ^b   Ciarnáin, Rossá Mac ^c   Danz, Norbert ^c   Reusch, Thilo C G ^b   Brütting, Wolfgang ^a  

^a UNIVERSITY OF AUGSBURG   (Germany)

^b OSRAM OLED GmbH   (Germany)

^c FRAUNHOFER INSTITUTE FOR APPLIED OPTICS AND PRECISION ENGINEERING   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

QUANTUM EFFICIENCY;

DYE-DOPED; EMISSION PATTERN; EMITTING SYSTEM; EXTERNAL QUANTUM EFFICIENCY; FUTURE APPLICATIONS; MEASUREMENTS OF; STRAIGHT-FORWARD METHOD; TRANSITION DIPOLE MOMENTS;

ORGANIC LIGHT EMITTING DIODES (OLED);

EID: 84904962396     PISSN: 00036951     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.4891680     Document Type: Article

References (20)

1. C. W. Tang and S. A. VanSlyke, Appl. Phys. Lett. 51, 913 (1987). 10.1063/1.98799
2. S.-Y. Kim, W.-I. Jeong, C. Mayr, Y.-S. Park, K.-H. Kim, J.-H. Lee, C.-K. Moon, W. Brütting, and J.-J. Kim, Adv. Funct. Mater. 23, 3896 (2013). 10.1002/adfm.201300104
3. K.-H. Kim, C.-K. Moon, J.-H. Lee, S.-Y. Kim, and J.-J. Kim, Adv. Mater. 26 (23), 3844 (2014). 10.1002/adma.201305733
4. Commercial white OLEDs are offered since 2010, e.g., by Osram and Philips.
5. J. Frischeisen, D. Yokoyama, C. Adachi, and W. Brütting, Appl. Phys. Lett. 96, 073302 (2010). 10.1063/1.3309705
6. T. Tsutsui, E. Aminaka, C. P. Lin, and D. U. Kim, Philos. Trans. Soc. A 355, 801 (1997). 10.1098/rsta.1997.0045
7. M. A. Baldo, D. F. O'Brien, Y. You, A. Shoustikov, S. Sibley, M. E. Thompson, and S. R. Forrest, Nature 395, 151 (1998). 10.1038/25954 (Pubitemid 28425649)
8. J. S. Wilson, A. S. Dhoot, A. J. A. B. Seeley, M. S. Khan, A. Kohler, and R. H. Friend, Nature 413, 828 (2001). 10.1038/35101565 (Pubitemid 33026846)
9. Y. Sun, N. C. Giebink, H. Kanno, B. Ma, M. E. Thompson, and S. R. Forrest, Nature 440, 908 (2006). 10.1038/nature04645
10. Y. Luo and H. Aziz, Adv. Funct. Mater. 20, 1285 (2010). 10.1002/adfm.200902329
11. D. Yokoyama, Y. Park, B. Kim, S. Kim, Y.-J. Pu, J. Kido, and J. Park, Appl. Phys. Lett. 99, 123303 (2011). 10.1063/1.3637608
12. Y.-J. Pu, G. Nakata, F. Satoh, H. Sasabe, D. Yokoyama, and J. Kido, Adv. Mater. 24, 1765 (2012). 10.1002/adma.201104403
13. H. Sternlicht, G. C. Nieman, and G. W. Robinson, J. Chem. Phys. 38, 1326 (1963). 10.1063/1.1733853
14. A. Endo, K. Sato, K. Yoshimura, T. Kai, A. Kawada, H. Miyazaki, and C. Adachi, Appl. Phys. Lett. 98, 083302 (2011). 10.1063/1.3558906
15. H. Uoyama, K. Goushi, K. Shizu, H. Nomura, and C. Adachi, Nature 492, 234 (2012). 10.1038/nature11687
16. T. Nakagawa, S.-Y. Ku, K.-T. Wong, and C. Adachi, Chem. Commun. 48, 9580 (2012). 10.1039/c2cc31468a
17. C. Mayr, S. Y. Lee, T. D. Schmidt, T. Yasuda, C. Adachi, and W. Brütting, " Efficiency Enhancement of Organic Light-Emitting Diodes Incorporating a Highly Oriented Thermally Activated Delayed Fluorescence Emitter," Adv. Funct. Mater. (published online). 10.1002/adfm.201400495
18. T. Schmidt, B. Scholz, C. Mayr, and W. Brütting, IEEE J. Sel. Top. Quantum Electron. 19, 1 (2013). 10.1109/JSTQE.2013.2258660
19. W. Brütting, J. Frischeisen, T. D. Schmidt, B. J. Scholz, and C. Mayr, Phys. Status Solidi A 210, 44 (2013). 10.1002/pssa.201228320
20. See supplementary material at http://dx.doi.org/10.1063/1.4891680 E-APPLAB-105-015431 for the investigation of the transition dipole orientation focusing on the second cavity maximum