Table of Contents Author Guidelines Submit a Manuscript
International Journal of Photoenergy
Volume 2014, Article ID 480829, 6 pages
http://dx.doi.org/10.1155/2014/480829
Research Article

Organic Light-Emitting Diode with Color Tunable between Bluish-White Daylight and Orange-White Dusk Hue

Department of Materials Science and Engineering, National Tsing Hua University, Hsin-Chu 30013, Taiwan

Received 14 March 2014; Accepted 19 May 2014; Published 5 June 2014

Academic Editor: Ramunas Lygaitis

Copyright © 2014 Shih-Yun Liao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. P. R. Mills, S. C. Tomkins, and L. J. M. Schlangen, “The effect of high correlated colour temperature office lighting on employee wellbeing and work performance,” Journal of Circadian Rhythms, vol. 5, article 2, 2007. View at Publisher · View at Google Scholar · View at Scopus
  2. F. A. J. L. Scheer, L. J. P. van Doornen, and R. M. Buijs, “Light and diurnal cycle affect human heart rate: possible role for the circadian pacemaker,” Journal of Biological Rhythms, vol. 14, no. 3, pp. 202–212, 1999. View at Google Scholar · View at Scopus
  3. W. J. M. van Bommel, “Non-visual biological effect of lighting and the practical meaning for lighting for work,” Applied Ergonomics, vol. 37, no. 4, pp. 461–466, 2006. View at Publisher · View at Google Scholar · View at Scopus
  4. G. C. Brainard, B. A. Richardson, T. S. King, and R. J. Reiter, “The influence of different light spectra on the suppression of pineal melatonin content in the syrian hamster,” Brain Research, vol. 294, no. 2, pp. 333–339, 1984. View at Google Scholar · View at Scopus
  5. S. W. Lockley, G. C. Brainard, and C. A. Czeisler, “High sensitivity of the human circadian melatonin rhythm to resetting by short wavelength light,” Journal of Clinical Endocrinology and Metabolism, vol. 88, no. 9, pp. 4502–4505, 2003. View at Publisher · View at Google Scholar · View at Scopus
  6. S. M. Pauley, “Lighting for the human circadian clock: recent research indicates that lighting has become a public health issue,” Medical Hypotheses, vol. 63, no. 4, pp. 588–596, 2004. View at Publisher · View at Google Scholar · View at Scopus
  7. T. Hätönen, A. Alila-Johansson, S. Mustanoja, and M.-L. Laakso, “Suppression of melatonin by 2000-lux light in humans with closed eyelids,” Biological Psychiatry, vol. 46, no. 6, pp. 827–831, 1999. View at Publisher · View at Google Scholar · View at Scopus
  8. M. Sato, T. Sakaguchi, and T. Morita, “The effects of exposure in the morning to light of different color temperatures on the behavior of core temperature and melatonin secretion in humans,” Biological Rhythm Research, vol. 36, no. 4, pp. 287–292, 2005. View at Publisher · View at Google Scholar · View at Scopus
  9. R. Kuller and L. Wetterberg, “Melatonin, cortisol, EEG, ECG, and subjective comfort in healthy humans: impact of two fluorescent lamp types at two light intensities,” Lighting Research & Technology, vol. 25, no. 2, pp. 71–80, 1993. View at Google Scholar · View at Scopus
  10. J.-H. Jou, M.-H. Wu, S.-M. Shen et al., “Sunlight-style color-temperature tunable organic light-emitting diode,” Applied Physics Letters, vol. 95, no. 1, Article ID 013307, 2009. View at Publisher · View at Google Scholar · View at Scopus
  11. J. H. Jou, S. M. Shen, M. H. Wu, S. H. Peng, and H. C. Wang, “Sunlight-style organic light-emitting diodes,” Journal of Photonics for Energy, vol. 1, no. 1, Article ID 011021, 2011. View at Publisher · View at Google Scholar
  12. J.-H. Jou, Y.-C. Chou, S.-M. Shen et al., “High-efficiency, very-high color rendering white organic light-emitting diode with a high triplet interlayer,” Journal of Materials Chemistry, vol. 21, no. 46, pp. 18523–18526, 2011. View at Publisher · View at Google Scholar · View at Scopus
  13. J.-H. Jou, S.-H. Chen, S.-M. Shen et al., “High efficiency low color-temperature organic light-emitting diodes with a blend interlayer,” Journal of Materials Chemistry, vol. 21, no. 44, pp. 17850–17854, 2011. View at Publisher · View at Google Scholar · View at Scopus
  14. J.-H. Jou, H.-C. Wang, S.-M. Shen et al., “Highly efficient color-temperature tunable organic light-emitting diodes,” Journal of Materials Chemistry, vol. 22, no. 16, pp. 8117–8120, 2012. View at Publisher · View at Google Scholar · View at Scopus
  15. W. D’Andrade, M. E. Thompson, and S. R. Forrest, “Controlling exciton diffusion in multilayer white phosphorescent organic light emitting devices,” Advanced Materials, vol. 14, no. 2, pp. 147–151, 2002. View at Google Scholar
  16. P. Chen, W. Xie, J. Li et al., “White organic light-emitting devices with a bipolar transport layer between blue fluorescent and orange phosphorescent emitting layers,” Applied Physics Letters, vol. 91, no. 2, Article ID 023505, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. J.-H. Jou, P.-W. Chen, Y.-L. Chen et al., “OLEDs with chromaticity tunable between dusk-hue and candle-light,” Organic Electronics, vol. 14, no. 1, pp. 47–54, 2013. View at Publisher · View at Google Scholar · View at Scopus
  18. J.-H. Jou, C.-Y. Hsieh, J.-R. Tseng et al., “Candle light-style organic light-emitting diodes,” Advanced Functional Materials, vol. 23, no. 21, pp. 2750–2757, 2013. View at Publisher · View at Google Scholar · View at Scopus
  19. G. Lambert, C. Reid, D. Kaye, G. Jennings, and M. Esler, “Increased suicide rate in the middle-aged and its association with hours of sunlight,” American Journal of Psychiatry, vol. 160, no. 4, pp. 793–795, 2003. View at Publisher · View at Google Scholar · View at Scopus
  20. I. Knez, “Effects of colour of light on nonvisual psychological processes,” Journal of Environmental Psychology, vol. 21, no. 2, pp. 201–208, 2001. View at Publisher · View at Google Scholar · View at Scopus
  21. T. Dalgleish, K. Rosen, and M. Marks, “Rhythm and blues: the theory and treatment of seasonal affective disorder,” British Journal of Clinical Psychology, vol. 35, no. 2, pp. 163–182, 1996. View at Google Scholar · View at Scopus
  22. R. W. Lam, D. F. Kripke, and J. C. Gillin, “Phototherapy for depressive disorders: a review,” Canadian Journal of Psychiatry, vol. 34, no. 2, pp. 140–147, 1989. View at Google Scholar · View at Scopus