Abstract

In this paper, we developed a series of novel arylamino-containing spiro triplet state host materials for green and blue phosphorescent emitters. With high enough energy gap and compatible HOMO, LUMO levels, we demonstrated the green PHOLED with a low driving voltage of 2.5 V and a high power efficiency of 38.5 lm/W. We also demonstrated blue PHOLED with a very low driving voltage of 3.0 V and a current efficiency of 9.2 cd/A.

© 2009 IEEE

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  1. C. Adachi, R. C. Kwong, P. Djurovich, V. Adamovich, M. A. Baldo, M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 79, 2082 (2001).
  2. M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 83, 3818 (2003).
  3. S. J. Yeh, M. F. Wu, C. T. Chen, Y. H. Song, Y. Chi, M. H. Ho, S. F. Hsu, C. H. Chen, Adv. Mater. 17, 285 (2005).
  4. S. R. Forrest, J. J. Brown, M. E. Thompson, Appl. Phys. Lett. 82, 2422 (2003).

2005 (1)

S. J. Yeh, M. F. Wu, C. T. Chen, Y. H. Song, Y. Chi, M. H. Ho, S. F. Hsu, C. H. Chen, Adv. Mater. 17, 285 (2005).

2003 (2)

S. R. Forrest, J. J. Brown, M. E. Thompson, Appl. Phys. Lett. 82, 2422 (2003).

M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 83, 3818 (2003).

2001 (1)

C. Adachi, R. C. Kwong, P. Djurovich, V. Adamovich, M. A. Baldo, M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 79, 2082 (2001).

Adv. Mater. (1)

S. J. Yeh, M. F. Wu, C. T. Chen, Y. H. Song, Y. Chi, M. H. Ho, S. F. Hsu, C. H. Chen, Adv. Mater. 17, 285 (2005).

Appl. Phys. Lett. (3)

S. R. Forrest, J. J. Brown, M. E. Thompson, Appl. Phys. Lett. 82, 2422 (2003).

C. Adachi, R. C. Kwong, P. Djurovich, V. Adamovich, M. A. Baldo, M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 79, 2082 (2001).

M. E. Thompson, S. R. Forrest, Appl. Phys. Lett. 83, 3818 (2003).

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