Abstract

In this work, we propose a novel active-matrix organic light-emitting diode displays (AMOLED) pixel circuit based on organic thin-film transistor (OTFT) architecture, which consisted of four switches, one driving transistor, and a capacitor. The pentacene-based OTFT device possesses a field-effect mobility of 0.1 ${\hbox{cm}}^{2} /{\hbox{V}}\cdot{\hbox{s}}$, a threshold voltage of $-{\hbox{1.5}}~{\hbox{V}}$, subthreshold slope of 1.8 V/decade and an on/off current ratio ${\hbox{10}} ^{6}$. The resultant voltage-driving pixel circuit, named “Complementary Voltage-Induced Coupling Driving” (CVICD), is different from the current-driving scheme and can appropriately operate at low gray level for the low-mobility OTFT circuitry. The current non-uniformity less than 2.9% is achieved for data voltage ranging from 1 to 17 V by SPICE simulation work. In addition, the new external driving method can effectively reduce the complexity of OLED pixel circuitry.

© 2009 IEEE

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  1. C. D. Dimitrakopoulos, D. J. Mascaro, "Organic thin film transistors: A review of recent advances," IBM J. Res. Develop. 45, 11-27 (2001).
  2. H. Klauk, D. J. Gundlach, J. A. Nichols, T. N. Jackson, "Pentacene organic thin-film transistors for circuit and display applications," IEEE Trans. Electron Devices 46, 1258-1263 (1999).
  3. D. J. Gunlach, L. Jia, T. N. Jackson, "Pentacene TFT with improved linear region characteristics using chemically modified source and drain electrodes," IEEE Electron Device Lett. 22, 571-573 (2001).
  4. J. B. Koo, S. J. Yun, J. W. Lim, S. H. Kim, C. H. Ku, S. C. Lim, J. H. Lee, T. Zyung, "Low-voltage and high-gain pentacene inverters with plasma-enhanced atomic- layer-deposited gate dielectrics," Appl. Phys. Lett. 89, 033511 (2006).
  5. C. D. Dimitrakopoulos, S. Purushothaman, J. Kymissis, A. Callegari, J. M. Shaw, "Low-voltage organic transistors on plastic comprising high-dielectric constant gate insulators," Science 283, 822-824 (1999).
  6. Y. Iino, Y. Inoue, Y. Fujisaki, H. Fujikake, H. Sato, M. Kawakita, S. Tokito, H. Kikuchi, "Organic thin-film transistors on a plastic substrate with anodically oxidized high-dielectric-constant insulators," Jpn. J. Appl. Phys. 42, 1299-304 (2003).
  7. L. A. Majewski, R. Schroeder, M. Grell, "One volt organic transistor," Adv. Mater. 17, 192-196 (2005).
  8. T. Chuman, S. Ohta, S. Miyaguchi, H. Satoh, T. Tanabe, Y. Okuda, M. Tsuchida, "Active matrix organic light emitting diode panel using organic thin-film transistors," Proc. Soc. Inf. Display (2004) pp. 23-28.
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  10. L. Zhou, A. Wanga, S. C. Wu, J. Sun, S. Park, T. N. Jackson, "All-organic active matrix flexible display," Appl. Phys. Lett. 88, 083502 (2006).
  11. Y. Hun, G. Dong, Y. Liang, L. Wang, Y. Qiu, "Research on operating degradation of pentacene thin-film transistor," Jpn. J. Appl. Phys. 44, 938-940 (2005).
  12. T. Sekitani, S. Iba, Y. Kato, Y. Noguchi, T. Someya, "Suppression of DC bias stress-induced degradation of organic field-effect transistors using postannealing effects," Appl. Phys. Lett. 87, 073505 (2005).
  13. C. W. Chu, C. W. Chen, S. H. Li, Y. Yanga, "Integration of organic light- emitting diode and organic transistorvia a tandem structure," Appl. Phys. Lett. 86, 253503 (2005).
  14. M. G. Kane, I. G. Hill, J. Campi, M. S. Hammond, B. Greening, "AMLCDs using organic thin-film transistors on polyester substrates," SID Dig, (2001) pp. 57-59.
  15. A. Nathan, G. R. Chaji, S. J. Ashtiani, "Driving schemes for a-Si and LTPS AMOLED displays," J. Display Technol. 1, 267-277 (2005).
  16. Y. He, R. Hattori, J. Kanicki, "Current-source a-Si:H thin-film transistor circuit for active-matrix organic light-emitting displays," IEEE Electron Device Lett. 21, 590-592 (2000).
  17. A. Shin, S. J. Hwang, S. W. Yu, M. Y. Sung, "A new organic thin-film transistor based current-driving pixel circuit for active-matrix organic light-emitting displays," 8th Int. Symp. on Quality Electronic Design (ISQED'07) (2007) pp. 59-66.
  18. Y. Kuo, Thin Film Transistors Material and Process (Kluwer Academic, 2004).
  19. H. Y. Lin, Y. Li, J. W. Lee, C. M. Chiu, S. M. Sze, "A unified mobility model for excimer laser annealed complementary thin film transistors simulation," Tech. Proc. NSTI Nanotech. Conf. (2004) pp. 13-16.
  20. Z. Kin, H. Kajii, Y. Ohmori, "Patterning of organic light-emitting diodes utilizing a sputter deposited amorphous carbon nitride buffer layer," Thin Solid Films 499, 392-395 (2006).
  21. G. R. Chaji, A. Nathan, "Parallel addressing scheme for voltage-programmed active-Matrix OLED displays," IEEE Trans. Electron Devices 54, 1095-1100 (2007).
  22. S. H. Jung, W. J. Nam, M. K. Han, "A new voltage-modulated AMOLED pixel design compensating for threshold voltage variation in poly-Si TFTs," IEEE Electron Device Lett. 25, 690-692 (2004).

2007 (1)

G. R. Chaji, A. Nathan, "Parallel addressing scheme for voltage-programmed active-Matrix OLED displays," IEEE Trans. Electron Devices 54, 1095-1100 (2007).

2006 (3)

Z. Kin, H. Kajii, Y. Ohmori, "Patterning of organic light-emitting diodes utilizing a sputter deposited amorphous carbon nitride buffer layer," Thin Solid Films 499, 392-395 (2006).

L. Zhou, A. Wanga, S. C. Wu, J. Sun, S. Park, T. N. Jackson, "All-organic active matrix flexible display," Appl. Phys. Lett. 88, 083502 (2006).

J. B. Koo, S. J. Yun, J. W. Lim, S. H. Kim, C. H. Ku, S. C. Lim, J. H. Lee, T. Zyung, "Low-voltage and high-gain pentacene inverters with plasma-enhanced atomic- layer-deposited gate dielectrics," Appl. Phys. Lett. 89, 033511 (2006).

2005 (5)

L. A. Majewski, R. Schroeder, M. Grell, "One volt organic transistor," Adv. Mater. 17, 192-196 (2005).

Y. Hun, G. Dong, Y. Liang, L. Wang, Y. Qiu, "Research on operating degradation of pentacene thin-film transistor," Jpn. J. Appl. Phys. 44, 938-940 (2005).

T. Sekitani, S. Iba, Y. Kato, Y. Noguchi, T. Someya, "Suppression of DC bias stress-induced degradation of organic field-effect transistors using postannealing effects," Appl. Phys. Lett. 87, 073505 (2005).

C. W. Chu, C. W. Chen, S. H. Li, Y. Yanga, "Integration of organic light- emitting diode and organic transistorvia a tandem structure," Appl. Phys. Lett. 86, 253503 (2005).

A. Nathan, G. R. Chaji, S. J. Ashtiani, "Driving schemes for a-Si and LTPS AMOLED displays," J. Display Technol. 1, 267-277 (2005).

2004 (1)

S. H. Jung, W. J. Nam, M. K. Han, "A new voltage-modulated AMOLED pixel design compensating for threshold voltage variation in poly-Si TFTs," IEEE Electron Device Lett. 25, 690-692 (2004).

2003 (1)

Y. Iino, Y. Inoue, Y. Fujisaki, H. Fujikake, H. Sato, M. Kawakita, S. Tokito, H. Kikuchi, "Organic thin-film transistors on a plastic substrate with anodically oxidized high-dielectric-constant insulators," Jpn. J. Appl. Phys. 42, 1299-304 (2003).

2001 (2)

D. J. Gunlach, L. Jia, T. N. Jackson, "Pentacene TFT with improved linear region characteristics using chemically modified source and drain electrodes," IEEE Electron Device Lett. 22, 571-573 (2001).

C. D. Dimitrakopoulos, D. J. Mascaro, "Organic thin film transistors: A review of recent advances," IBM J. Res. Develop. 45, 11-27 (2001).

2000 (1)

Y. He, R. Hattori, J. Kanicki, "Current-source a-Si:H thin-film transistor circuit for active-matrix organic light-emitting displays," IEEE Electron Device Lett. 21, 590-592 (2000).

1999 (2)

H. Klauk, D. J. Gundlach, J. A. Nichols, T. N. Jackson, "Pentacene organic thin-film transistors for circuit and display applications," IEEE Trans. Electron Devices 46, 1258-1263 (1999).

C. D. Dimitrakopoulos, S. Purushothaman, J. Kymissis, A. Callegari, J. M. Shaw, "Low-voltage organic transistors on plastic comprising high-dielectric constant gate insulators," Science 283, 822-824 (1999).

1997 (1)

Y. Y. Lin, D. J. Gundlach, S. F. Nelson, T. N. Jackson, "Stacked pentacene layer organic thin-film transistors with improved characteristics," IEEE Electron Device Lett. 18, 606-608 (1997).

Adv. Mater. (1)

L. A. Majewski, R. Schroeder, M. Grell, "One volt organic transistor," Adv. Mater. 17, 192-196 (2005).

Appl. Phys. Lett. (2)

J. B. Koo, S. J. Yun, J. W. Lim, S. H. Kim, C. H. Ku, S. C. Lim, J. H. Lee, T. Zyung, "Low-voltage and high-gain pentacene inverters with plasma-enhanced atomic- layer-deposited gate dielectrics," Appl. Phys. Lett. 89, 033511 (2006).

T. Sekitani, S. Iba, Y. Kato, Y. Noguchi, T. Someya, "Suppression of DC bias stress-induced degradation of organic field-effect transistors using postannealing effects," Appl. Phys. Lett. 87, 073505 (2005).

Appl. Phys. Lett. (2)

C. W. Chu, C. W. Chen, S. H. Li, Y. Yanga, "Integration of organic light- emitting diode and organic transistorvia a tandem structure," Appl. Phys. Lett. 86, 253503 (2005).

L. Zhou, A. Wanga, S. C. Wu, J. Sun, S. Park, T. N. Jackson, "All-organic active matrix flexible display," Appl. Phys. Lett. 88, 083502 (2006).

IBM J. Res. Develop. (1)

C. D. Dimitrakopoulos, D. J. Mascaro, "Organic thin film transistors: A review of recent advances," IBM J. Res. Develop. 45, 11-27 (2001).

IEEE Electron Device Lett. (1)

Y. Y. Lin, D. J. Gundlach, S. F. Nelson, T. N. Jackson, "Stacked pentacene layer organic thin-film transistors with improved characteristics," IEEE Electron Device Lett. 18, 606-608 (1997).

IEEE Trans. Electron Devices (2)

H. Klauk, D. J. Gundlach, J. A. Nichols, T. N. Jackson, "Pentacene organic thin-film transistors for circuit and display applications," IEEE Trans. Electron Devices 46, 1258-1263 (1999).

G. R. Chaji, A. Nathan, "Parallel addressing scheme for voltage-programmed active-Matrix OLED displays," IEEE Trans. Electron Devices 54, 1095-1100 (2007).

IEEE Electron Device Lett. (3)

S. H. Jung, W. J. Nam, M. K. Han, "A new voltage-modulated AMOLED pixel design compensating for threshold voltage variation in poly-Si TFTs," IEEE Electron Device Lett. 25, 690-692 (2004).

D. J. Gunlach, L. Jia, T. N. Jackson, "Pentacene TFT with improved linear region characteristics using chemically modified source and drain electrodes," IEEE Electron Device Lett. 22, 571-573 (2001).

Y. He, R. Hattori, J. Kanicki, "Current-source a-Si:H thin-film transistor circuit for active-matrix organic light-emitting displays," IEEE Electron Device Lett. 21, 590-592 (2000).

J. Display Technol. (1)

Jpn. J. Appl. Phys. (2)

Y. Hun, G. Dong, Y. Liang, L. Wang, Y. Qiu, "Research on operating degradation of pentacene thin-film transistor," Jpn. J. Appl. Phys. 44, 938-940 (2005).

Y. Iino, Y. Inoue, Y. Fujisaki, H. Fujikake, H. Sato, M. Kawakita, S. Tokito, H. Kikuchi, "Organic thin-film transistors on a plastic substrate with anodically oxidized high-dielectric-constant insulators," Jpn. J. Appl. Phys. 42, 1299-304 (2003).

Science (1)

C. D. Dimitrakopoulos, S. Purushothaman, J. Kymissis, A. Callegari, J. M. Shaw, "Low-voltage organic transistors on plastic comprising high-dielectric constant gate insulators," Science 283, 822-824 (1999).

Thin Solid Films (1)

Z. Kin, H. Kajii, Y. Ohmori, "Patterning of organic light-emitting diodes utilizing a sputter deposited amorphous carbon nitride buffer layer," Thin Solid Films 499, 392-395 (2006).

Other (5)

T. Chuman, S. Ohta, S. Miyaguchi, H. Satoh, T. Tanabe, Y. Okuda, M. Tsuchida, "Active matrix organic light emitting diode panel using organic thin-film transistors," Proc. Soc. Inf. Display (2004) pp. 23-28.

M. G. Kane, I. G. Hill, J. Campi, M. S. Hammond, B. Greening, "AMLCDs using organic thin-film transistors on polyester substrates," SID Dig, (2001) pp. 57-59.

A. Shin, S. J. Hwang, S. W. Yu, M. Y. Sung, "A new organic thin-film transistor based current-driving pixel circuit for active-matrix organic light-emitting displays," 8th Int. Symp. on Quality Electronic Design (ISQED'07) (2007) pp. 59-66.

Y. Kuo, Thin Film Transistors Material and Process (Kluwer Academic, 2004).

H. Y. Lin, Y. Li, J. W. Lee, C. M. Chiu, S. M. Sze, "A unified mobility model for excimer laser annealed complementary thin film transistors simulation," Tech. Proc. NSTI Nanotech. Conf. (2004) pp. 13-16.

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