Solution-processed single-emitting-layer white organic light-emitting diodes based on small molecules with efficiency/CRI/color-stability trade-off

Optics Express

Volumn 21, Issue 9, 2013, Pages 11078-11085

  Fu, Qiang ^a,b   Chen, Jiangshan ^a   Zhang, Hongmei ^c   Shi, Changsheng ^a   Ma, Dongge ^a  

^a CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

^c NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

EFFICIENCY; ORGANIC LIGHT EMITTING DIODES (OLED);

CIE COORDINATES; EFFECTIVE SUPPRESSION; ELECTROLUMINESCENCE SPECTRA; EXCITON QUENCHING; SMALL MOLECULES; SOLUTION PROCESS; SOLUTION-PROCESSED; WHITE ORGANIC LIGHT EMITTING DIODES;

OPTOELECTRONIC DEVICES;

ARTICLE; COLOR; EQUIPMENT; EQUIPMENT DESIGN; EQUIPMENT FAILURE; ILLUMINATION; SEMICONDUCTOR; DEVICE FAILURE ANALYSIS; DEVICES;

COLOR; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; LIGHTING; SEMICONDUCTORS;

EID: 84878556371     PISSN: None     EISSN: 10944087     Source Type: Journal    
DOI: 10.1364/OE.21.011078     Document Type: Article

References (37)

1. C. W. Tang and S. A. Vanslyke, "Organic electroluminescent diodes," Appl. Phys. Lett. 51(12), 913 (1987).
2. J. H. Burroughes, D. D. C. Bradely, A. R. Brown, R. N. Marks, K. Mackay, R. H. Friend, P. L. Burns, and A. B. Holmes, "Light-emitting diodes based on conjugated polymers," Nature 347(6293), 539-541 (1990).
3. S. Hofmann, M. Thomschke, B. Lüssem, and K. Leo, "Top-emitting organic light-emitting diodes," Opt. Express 19(S6), A1250-A1264 (2011).
4. H. B. Wu, G. J. Zhou, J. H. Zou, C. L. Ho, W. Y. Wong, W. Yang, J. B. Peng, and Y. Cao, "Efficient Polymer White-Light-Emitting Devices for Solid-State Lighting," Adv. Mater. 21(41), 4181-4184 (2009).
5. K. S. Yook, S. E. Jang, S. O. Jeon, and J. Y. Lee, "Fabrication and Efficiency Improvement of Soluble Blue Phosphorescent Organic Light-Emitting Diodes Using a Multilayer Structure Based on an Alcohol-Soluble Blue Phosphorescent Emitting Layer," Adv. Mater. 22(40), 4479-4483 (2010).
6. M. A. Baldo, D. F. O'Brien, Y. You, A. Shoustikov, S. Sibley, M. E. Thompson, and S. R. Forrest, "Highly efficient phosphorescent emission from organic electroluminescent devices," Nature 395(6698), 151-154 (1998).
7. G. He, M. Pfeiffer, K. Leo, M. Hofmann, J. Birnstock, R. Pudzich, and J. Salbeck, "High-efficiency and low-voltage p-i-n electrophosphorescent organic light-emitting diodes with double-emission layers," Appl. Phys. Lett. 85(17), 3911 (2004).
8. B. W. D'Andrade, "Lighting: White phosphorescent LEDs offer efficient answer," Nat. Photonics 1(1), 33-34 (2007).
9. S. L. Gong, Q. Fu, Q. Wang, C. L. Yang, C. Zhong, J. G. Qin, and D. G. Ma, "Highly Efficient Deep-Blue Electrophosphorescence Enabled by Solution-Processed Bipolar Tetraarylsilane Host with Both a High Triplet Energy and a High-Lying HOMO Level," Adv. Mater. 23(42), 4956-4959 (2011).
10. H. Huang, Q. Fu, S. Q. Zhuang, Y. K. Liu, L. Wang, J. S. Chen, D. G. Ma, and C. L. Yang, "Novel Deep Blue OLED Emitters with 1,3,5-Tri(anthracen-10- yl)-benzene-Centered Starburst Oligofluorenes," J. Phys. Chem. C 115(11), 4872-4878 (2011).
11. J. S. Chen, C. S. Shi, Q. Fu, F. C. Zhao, Y. Hu, Y. L. Feng, and D. G. Ma, "Solution-processable small molecules as efficient universal bipolar host for blue, green and red phosphorescent inverted OLEDs," J. Mater. Chem. 22(11), 5164-5170 (2012).
12. Y. J. Doh, J. S. Park, W. S. Jeon, R. Pode, and J. H. Kwon, "Soluble processed low-voltage and high efficiency blue phosphorescent organic light-emitting devices using small molecule host systems," Org. Electron. 13(4), 586-592 (2012).
13. L. D. Hou, L. Duan, J. Qiao, D. Q. Zhang, G. F. Dong, L. D. Wang, and Y. Qiu, "Efficient solution-processed small-molecule single emitting layer electrophosphorescent white light-emitting diodes," Org. Electron. 11(8), 1344-1350 (2010).
14. B. H. Zhang, G. P. Tan, C.-S. Lam, B. Yao, C.-L. Ho, L. H. Liu, Z. Y. Xie, W.-Y. Wong, J. Q. Ding, and L. X. Wang, "High-Efficiency Single Emissive Layer White Organic Light-Emitting Diodes Based on Solution-Processed Dendritic Host and New Orange-Emitting Iridium Complex," Adv. Mater. 24(14), 1873-1877 (2012).
15. Q. Fu, J. S. Chen, C. S. Shi, and D. G. Ma, "Solution-processed small molecules as mixed host for highly efficient blue and white phosphorescent organic light-emitting diodes," ACS Appl. Mater. Interfaces 4(12), 6579-6586 (2012).
16. J.-D. You, S.-R. Tseng, H.-F. Meng, F.-W. Yen, I.-F. Lin, and S.-F. Horng, "All-solution-processed blue small molecular organic light-emitting diodes with multilayer device structure," Org. Electron. 10(8), 1610-1614 (2009).
17. T. Earmme, E. Ahmed, and S. A. Jenekhe, "Solution-Processed Highly Efficient Blue Phosphorescent Polymer Light-Emitting Diodes Enabled by a New Electron Transport Material," Adv. Mater. 22(42), 4744-4748 (2010).
18. M. Cai, T. Xiao, E. Hellerich, Y. Chen, R. Shinar, and J. Shinar, "High-Efficiency Solution-Processed Small Molecule Electrophosphorescent Organic Light-Emitting Diodes," Adv. Mater. 23(31), 3590-3596 (2011).
19. T.-W. Lee, T. Noh, H.-W. Shin, O. Kwon, J.-J. Park, B.-K. Choi, M.-S. Kim, D. W. Shin, and Y.-R. Kim, "Characteristics of Solution-Processed Small-Molecule Organic Films and Light-Emitting Diodes Compared with their Vacuum-Deposited Counterparts," Adv. Mater. 19, 1625-1630 (2009).
20. Q. Wang, J. Q. Ding, D. G. Ma, Y. X. Cheng, L. X. Wang, X. B. Jing, and F. S. 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(1), 84-95 (2009).
21. Q. Wang, J. Q. Ding, D. G. Ma, Y. X. Cheng, and L. X. Wang, "Highly efficient single-emitting-layer white organic light-emitting diodes with reduced efficiency roll-off," Appl. Phys. Lett. 94(10), 103503 (2009).
22. Q. Wang, J. Q. Ding, D. G. Ma, Y. X. Cheng, L. X. Wang, and F. S. Wang, "Manipulating Charges and Excitons within a Single-Host System to Accomplish Efficiency/CRI/Color-Stability Trade-off for High-Performance OWLEDs," Adv. Mater. 21(23), 2397-2401 (2009).
23. X. Yang, S. Q. Zhuang, X. F. Qiao, G. Y. Mu, L. Wang, J. S. Chen, and D. G. Ma, "High efficiency blue phosphorescent organic light-emitting diodes with a multiple quantum well structure for reduced efficiency rolloff," Opt. Express 20(22), 24411-24417 (2012).
24. Y. B. Zhao, L. P. Zhu, J. S. Chen, and D. G. Ma, "Improving color stability of blue/orange complementary white OLEDs by using single-host double-emissive layer structure: comprehensive experimental investigation into the device working mechanism," Org. Electron. 13(8), 1340-1348 (2012).
25. S. Reineke, K. Walzer, and K. Leo, "Triplet-exciton quenching in organic phosphorescent light-emitting diodes with Ir-based emitters," Phys. Rev. B 75(12), 125328 (2007).
26. S.-J. 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-Of," Adv. Mater. 20, 4189-4194 (2008).
27. S.-J. Su, T. Chiba, T. Takeda, and J. Kido, "Pyridine-Containing Triphenylbenzene Derivatives with High Electron Mobility for Highly Efficient Phosphorescent OLEDs," Adv. Mater. 20(11), 2125-2130 (2008).
28. Y. Kawamura, K. Goushi, J. Brooks, J. J. Brown, H. Sasabe, and C. Adachi, "100% phosphorescence quantum efficiency of Ir(III)complexes in organic semiconductor films," Appl. Phys. Lett. 86(7), 071104 (2005).
29. T. Tsuzuki and S. Tokito, "Highly Efficient and Low-Voltage Phosphorescent Organic Light-Emitting Diodes Using an Iridium Complex as the Host Material," Adv. Mater. 19(2), 276-280 (2007).
30. R. Meerheim, S. Scholz, S. Olthof, G. Schwartz, S. Reineke, K. Walzer, and K. Leo, "Influence of charge balance and exciton distribution on efficiency and lifetime of phosphorescent organic light-emitting devices," J. Appl. Phys. 104(1), 014510 (2008).
31. M. A. Baldo, C. Adachi, and S. R. Forrest, "Transient analysis of organic electrophosphorescence. II. Transient analysis of triplet-triplet annihilation," Phys. Rev. B 62(16), 10967-10977 (2000).
32. 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(5), 053311 (2008).
33. K. Goushi, R. Kwong, J. J. Brown, H. Sasabe, and C. Adachi, "Triplet exciton confinement and unconfinement by adjacent hole-transport layers," J. Appl. Phys. 95(12), 7798-7805 (2004).
34. L. S. C. Pingree, B. J. Scott, M. T. Russell, T. J. Marks, and M. C. Hersam, "Negative capacitance in organic light-emitting diodes," Appl. Phys. Lett. 86(7), 073509 (2005).
35. H. Z. Siboni and H. Aziz, "Triplet-polaron quenching by charges on guest molecules in phosphorescent organic light emitting devices," Appl. Phys. Lett. 101(6), 063502 (2012).
36. C. Cai, S.-J. Su, T. Chiba, H. Sasabe, Y.-J. Pu, K. Nakayama, and J. Kido, "High-efficiency red, green and blue phosphorescent homojunction organic light-emitting diodes based on bipolar host materials," Org. Electron. 12(5), 843-850 (2011).
37. S.-J. Su, H. Sasabe, T. Takeda, and J. Kido, "Pyridine-Containing Bipolar Host Materials for Highly Efficient Blue Phosphorescent OLEDs," Chem. Mater. 20(5), 1691-1693 (2008).