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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 7059–7067

Polarized micro-cavity organic light-emitting devices

Byoungchoo Park, Mina Kim, and Chan Hyuk Park  »View Author Affiliations

Optics Express, Vol. 17, Issue 9, pp. 7059-7067 (2009)

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We present the results of a study of light emissions from a polarized micro-cavity Organic Light-Emitting Device (OLED), which consisted of a flexible, anisotropic one-dimensional (1-D) photonic crystal (PC) film substrate. It is shown that luminous Electroluminescent (EL) emissions from the polarized micro-cavity OLED were produced at relatively low operating voltages. It was also found that the peak wavelengths of the emitted EL light corresponded to the two split eigen modes of the high-energy band edges of the anisotropic PC film, with a strong dependence on the polarization state of the emitting light. For polarization along the ordinary axis of the anisotropic PC film, the optical split micro-cavity modes occurred at the longer high-energy photonic band gap (PBG) edge, while for polarization along the extraordinary axis, the split micro-cavity modes occurred at the shorter high-energy PBG edge, with narrow band widths. We demonstrated that the polarization and emission mode of the micro-cavity OLED may be selected by choosing the appropriate optical axis of the anisotropic 1-D PC film.

© 2009 Optical Society of America

OCIS Codes
(160.4890) Materials : Organic materials
(230.3670) Optical devices : Light-emitting diodes
(310.6860) Thin films : Thin films, optical properties
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

Original Manuscript: January 21, 2009
Revised Manuscript: March 4, 2009
Manuscript Accepted: March 4, 2009
Published: April 14, 2009

Byoungchoo Park, Mina Kim, and Chan Hyuk Park, "Polarized micro-cavity organic light-emitting devices," Opt. Express 17, 7059-7067 (2009)

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