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By improving the spin-coating process during the deposition of hole transport layer poly(3,4-ethylenedioxythiophene)-poly(styrene-sulfonate)(PEDOT:PSS), high efficient monochrome passive-matrix organic light-emitting display is fabricated. The PEDOT:PSS film is spin-coated with a two-step spin-coating process, in which the substrate is turned 180° during the spin-coating, forcing the piled-up materials to move reversely. By introducing the second spin-coating step, the film thickness difference between single and double lines significantly reduces, leading to a more uniform light emission and a larger fill factor for the 3.81 cm monochrome polymer light-emitting diode display. Green light-emitting display with a peak current efficiency of 17 cd/A is successfully fabricated, and the efficiency is improved by 40 percent compared with that made by traditional spin-coating method. A 3.81 cm 96×64 full color display with a current efficiency of 1.25 cd/A is also successfully made.
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Keywords:
- spin coating /
- organic light-emitting diode /
- displays
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[2] [邹建华、兰林峰、徐瑞霞、杨 伟、彭俊彪 2010 59 1275]
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[19] Saafir A K, Chung J, Joo I, Huh J, Rhee J, Park S, Choi B, Ko C, Koh B, Jung J, Choi J, Kim N, Chung K 2005 Soc. Inform. Display 36 968
[20] Hou L T, Hou Q, Peng J B,Cao Y 2005 Acta Phys. Sin. 54 5377 (in Chinese) [侯林涛、侯 琼、彭俊彪、曹 镛 2005 54 5377]
[21] Huang W B, Peng J B 2007 Acta Phys. Sin. 56 2974(in Chinese) [黄文波、彭俊彪 2007 56 2974]
[22] Okutani S, Kamiura N, Sano H, Sawatani T, Fujita D, Takehara T, Sunohara K, Kobayashi M 2007 Soc. Inform. Display 38 173
[23] Zou J H, Tao H, Wu H B, Peng J B 2009 Acta Phys. Sin. 58 1224 (in Chinese) [邹建华、陶 洪、吴宏斌、彭俊彪 2009 58 1224 Zou J H, Lan L F, Xu R X, Yang W, Peng J B 2010 Acta Phys. Sin. 59 1275 (in Chinese)
[24] Ogi T, Modesto-Lopez L B, Iskandar F, Okuyama K 2007 Colloids Surf. A 297 71
[25] Li Y Y, Wu H B, Zou J H, Ying L, Yang W, Cao Y 2009 Org. Electron. 10 901
[26] Hou Q, Zhou Q M, Zhang Y, Yang W, Yang R Q, Cao Y 2004 Macromolecules 37 6299
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[1] Pope M, Kallmann H P, Mangnante P 1963 J. Chem. Phys. 38 2042
[2] [邹建华、兰林峰、徐瑞霞、杨 伟、彭俊彪 2010 59 1275]
[3] Tang C W, Van Slyke S A 1987 Appl. Phys. Lett. 51 913
[4] Niu Q L, Shao Y X, Xu W, Wang L, Han S H, Liu N L, Peng J B, Cao Y, Wang J 2008 Org. Electron. 9 95
[5] Stephen F R 2004 Nature 428 911
[6] Yimsiri P, Mackley M R 2007 Thin Solid Films 515 3787
[7] Pschenitzka F, Sturm J C 1999 Appl. Phys. Lett. 74 1913
[8] Pardo D A, Jabbour G E, Peyghambarian N 2000 Adv. Mater. 12 1249
[9] Chang S C, Bharathan J, Yang Y, Helgeson R, Wudl F, Ramey M B, Reynolds J R 1998 Appl. Phys. Lett. 73 2561
[10] van der Vaart N C, Lifka H, Budzelaar F P M, Rubingh J E J M, Hoppenbrouwers J J L, Dijksman J F, Verbeek R G F A, van Woudenberg R, Vossen F J, Hiddink M G H, Rosink J J W M, Bernards T N M, Giraldo A, Young N D, Fish D A, Childs M J, Steer W A, Lee D, George D S 2005 J. Soc. Inform. Display 13 9
[11] Braun D, Heeger A J 1991 Appl. Phys. Lett. 58 1982
[12] Gustafsson G, Cao Y, Treacy G M, Klavetter F, Colaneri N, Heeger A J 1992 Nature 357 477
[13] Chang Y G, Nam S H, Kim N K, Kook Y H, Kim J, Yoo S S, Kim C D, Kang I, Chung I J 2008 Soc. Inform. Display 39 637
[14] Hamer J W, Cok R S, Parrett G J, Winters D, Primerano B 2009 Soc. Inform. Display 40 947
[15] Partridge R H 1983 Polymer 24 748
[16] Burroughes J H, Bradleyd D D C, Brown A R, Marks R N, Mackay K, Friend R H, Burns P L, Holmes A B 1990 Nature 347 539
[17] Charlie M, Anzlowar M, Innocenzo J, Kolosov D, Lehr W, O’Regan M, Sant P, Stainer M, Sysavat S, Venkatesh S 2003 Soc. Inform. Display 34 1191
[18] Rahul G, Andrew I, Natarajan S, Franky S 2004 Soc. Inform. Display 35 1281
[19] Saafir A K, Chung J, Joo I, Huh J, Rhee J, Park S, Choi B, Ko C, Koh B, Jung J, Choi J, Kim N, Chung K 2005 Soc. Inform. Display 36 968
[20] Hou L T, Hou Q, Peng J B,Cao Y 2005 Acta Phys. Sin. 54 5377 (in Chinese) [侯林涛、侯 琼、彭俊彪、曹 镛 2005 54 5377]
[21] Huang W B, Peng J B 2007 Acta Phys. Sin. 56 2974(in Chinese) [黄文波、彭俊彪 2007 56 2974]
[22] Okutani S, Kamiura N, Sano H, Sawatani T, Fujita D, Takehara T, Sunohara K, Kobayashi M 2007 Soc. Inform. Display 38 173
[23] Zou J H, Tao H, Wu H B, Peng J B 2009 Acta Phys. Sin. 58 1224 (in Chinese) [邹建华、陶 洪、吴宏斌、彭俊彪 2009 58 1224 Zou J H, Lan L F, Xu R X, Yang W, Peng J B 2010 Acta Phys. Sin. 59 1275 (in Chinese)
[24] Ogi T, Modesto-Lopez L B, Iskandar F, Okuyama K 2007 Colloids Surf. A 297 71
[25] Li Y Y, Wu H B, Zou J H, Ying L, Yang W, Cao Y 2009 Org. Electron. 10 901
[26] Hou Q, Zhou Q M, Zhang Y, Yang W, Yang R Q, Cao Y 2004 Macromolecules 37 6299
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