A hybrid white organic light-emitting diode with stable color and reduced efficiency roll-off by using a bipolar charge carrier switch

Organic Electronics

Volumn 13, Issue 6, 2012, Pages 1049-1055

  Zhao, Fangchao ^a   Zhang, Zhiqiang ^a   Liu, Yipeng ^a   Dai, Yanfeng ^a   Chen, Jiangshan ^a   Ma, Dongge ^a  

^a CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY   (China)

Author keywords

Charge carrier switch; Color stability; Exciton recombination zone; Hybrid white organic light emitting diode

Indexed keywords

CHARGE CARRIERS; COLOR; EFFICIENCY; EXCITONS; LUMINANCE; OPTOELECTRONIC DEVICES; ORGANIC LIGHT EMITTING DIODES (OLED); PHOSPHORESCENCE;

CHARGE CARRIER SWITCHES; COLOR RENDERING INDEX; COLOR STABILITY; CURRENT EFFICIENCY; EXCITON RECOMBINATION ZONES; EXTERNAL QUANTUM EFFICIENCY; HYBRID WHITE ORGANIC LIGHT-EMITTING DIODES; LOW EFFICIENCY ROLL OFFS;

QUANTUM EFFICIENCY;

EID: 84859144308     PISSN: 15661199     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.orgel.2012.03.005     Document Type: Article

References (30)

1. Y. Sun, N. Giebink, H. Kanno, B. Ma, M. Thompson, and S. Forrest Management of singlet and triplet excitons for efficient white organic light-emitting devices Nature 440 2006 908 912
2. F. So, J. Kido, and P. Burrows Organic light-emitting devices for solid-state lighting MRS Bull. 33 2008 663 669
3. B.W. D'Andrade, and S.R. Forrest White organic light-emitting devices for solid-state lighting Adv. Mater. 16 2004 1585 1595
4. J. Kido, M. Kimura, and K. Nagai Multilayer white light-emitting organic electroluminescent device Science 267 1995 1332
5. R.F. Service Organic LEDs look forward to a bright, white future Science (Washington, DC) 310 2005 1762 1763
6. S. Su, E. Gonmori, H. Sasabe, and J. Kido Highly efficient organic blue-and white-light-emitting devices having a carrier-and exciton-confining structure for reduced efficiency roll-off Adv. Mater. 20 2008 4189 4194
7. Y. Park, J. Kang, D. Kang, J. Park, Y. Kim, S. Kwon, and J. Kim Efficient, color stable white organic light-emitting diode based on high energy level yellowish-green dopants Adv. Mater. 20 2008 1957 1961
8. 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
9. G. Schwartz, S. Reineke, T. Rosenow, K. Walzer, and K. Leo Triplet harvesting in hybrid white organic light-emitting diodes Adv. Funct. Mater. 19 2009 1319 1333
10. Y. Tsai, and J. Jou Long-lifetime, high-efficiency white organic light-emitting diodes with mixed host composing double emission layers Appl. Phys. Lett. 89 2009 243521
11. M. Kondakova, J. Deaton, T. Pawlik, D. Giesen, D. Kondakov, R. Young, T. Royster, D. Comfort, and J. Shore Highly efficient fluorescent-phosphorescent triplet-harvesting hybrid organic light-emitting diodes J. Appl. Phys. 107 2010 014515
12. K. Yook, S. Jeon, C. Joo, and J. Lee High efficiency, color stability, and stable efficiency roll off in three color hybrid white organic light emitting diodes Appl. Phys. Lett. 93 2008 073302
13. G. Schwartz, S. Reineke, K. Walzer, and K. Leo Reduced efficiency roll-off in high-efficiency hybrid white organic light-emitting diodes Appl. Phys. Lett. 92 2008 053311
14. Q. Wang, J. Ding, D. Ma, Y. Cheng, L. Wang, X. Jing, and F. Wang Harvesting excitons via two parallel channels for efficient white organic leds with nearly 100% internal quantum efficiency: fabrication and emission-mechanism analysis Adv. Funct. Mater. 19 2009 84 95
15. E. Williams, K. Haavisto, J. Li, and G. Jabbour Excimer-based white phosphorescent organic light-emitting diodes with nearly 100% internal quantum efficiency Adv. Mater. 19 2007 197 202
16. G. Schwartz, M. Pfeiffer, S. Reineke, K. Walzer, and K. Leo Harvesting triplet excitons from fluorescent blue emitters in white organic light-emitting diodes Adv. Mater. 19 2007 3672 3676
17. Y. Sun, and S.R. Forrest High-efficiency white organic light emitting devices with three separate phosphorescent emission layers Appl. Phys. Lett. 91 2007 263503
18. B. Ma, P.I. Djurovich, S. Garon, B. Alleyne, and M.E. Thompson Platinum binuclear complexes as phosphorescent dopants for monochromatic and white organic light-emitting diodes Adv. Funct. Mater. 16 2006 2438 2446
19. Q. Wang, J. Ding, Y. Cheng, L. Wang, and D. Ma Achieving highly efficient white organic light-emitting diodes with reduced efficiency roll-off J. Phys. D: Appl. Phys. 42 2009 065106
20. N. Iguchi, Y.J. Pu, K. Nakayama, M. Yokoyama, and J. Kido Synthesis, photoluminescence and electroluminescence properties of iridium complexes with bulky carbazole dendrons Org. Electron. 10 2009 465 472
21. C. Mulder, K. Celebi, K. Milaninia, and M. Baldo Saturated and efficient blue phosphorescent organic light emitting devices with Lambertian angular emission Appl. Phys. Lett. 90 2007 211109
22. Q. Wang, C.L. Ho, Y. Zhao, D. Ma, W.Y. Wong, and L. Wang Reduced efficiency roll-off in highly efficient and color-stable hybrid WOLEDs: the influence of triplet transfer and charge-transport behavior on enhancing device performance Org. Electron. 11 2010 238 246
23. T. Peng, Y. Yang, H. Bi, Y. Liu, Z. Hou, and Y. Wang Highly efficient white organic electroluminescence device based on a phosphorescent orange material doped in a blue host emitter J. Mater. Chem. 21 2011 3551 3553
24. Y. Tao, Q. Wang, C. Yang, C. Zhong, J. Qin, and D. Ma Multifunctional triphenylamine/oxadiazole hybrid as host and exciton-blocking material: high efficiency green phosphorescent OLEDs using easily available and common materials Adv. Funct. Mater. 20 2010 2923 2929
25. T. Zheng, and W.C.H. Choy High efficiency blue organic LEDs achieved by an integrated fluorescence-Interlayer-phosphorescence emission architecture Adv. Funct. Mater. 20 2010 648 655
26. S.Y. Kim, W.S. Jeon, T.J. Park, R. Pode, J. Jang, and J.H. Kwon Low voltage efficient simple p-i-n type electrophosphorescent green organic light-emitting devices Appl. Phys. Lett. 94 2009 133303
27. M. Ikai, S. Tokito, Y. Sakamoto, T. Suzuki, and Y. Taga Highly efficient phosphorescence from organic light-emitting devices with an exciton-block layer Appl. Phys. Lett. 79 2001 156
28. W. Jeon, T. Park, J. Park, S. Kim, J. Jang, J. Kwon, and R. Pode Highly efficient bilayer green phosphorescent organic light emitting devices Appl. Phys. Lett. 92 2009 113311
29. Q. Wang, and D. Ma Cheminform abstract: management of charges and excitons for high-performance white organic light-emitting diodes Chem. Soc. Rev. 39 2010 2387 2398
30. M.E. Kondakova, T.D. Pawlik, R.H. Young, D.J. Giesen, D.Y. Kondakov, C.T. Brown, J.C. Deaton, J.R. Lenhard, and K.P. Klubek High-efficiency, low-voltage phosphorescent organic light-emitting diode devices with mixed host J. Appl. Phys. 104 2008 094501 094517