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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 23 — Aug. 10, 2008
  • pp: 4275–4279

Color filters based on enhanced optical transmission of subwavelength-structured metallic film for multicolor organic light-emitting diode display

Xiao Hu, Li Zhan, and Yuxing Xia  »View Author Affiliations

Applied Optics, Vol. 47, Issue 23, pp. 4275-4279 (2008)

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Using metallic film perforated with a subwavelength periodic structure, a novel concept of a color filter for multicolor organic light-emitting diode (OLED) display is proposed. Based on the phase-matching condition for extraordinary optical transmission, three primary color emissions can be obtained by optimizing the structure’s periodicity. Two periodic structures, an array of one-dimensional periodic slits and a two-dimensional periodic hole array, are studied using coupled mode theory. Also, the feasibility of applying these structures as color filters is analyzed. The relative intensity at the unwanted wavelength, which is generated by higher resonant transmission, had been calculated to eliminate its effect on the purity of these filters. It is important that this type of color filter simultaneously solves the low emission efficiency problem for OLEDs with the aid of enhanced transmission of metal film.

© 2008 Optical Society of America

OCIS Codes
(310.6628) Thin films : Subwavelength structures, nanostructures
(310.6845) Thin films : Thin film devices and applications
(230.7408) Optical devices : Wavelength filtering devices

ToC Category:
Thin Films

Original Manuscript: May 16, 2008
Revised Manuscript: July 4, 2008
Manuscript Accepted: July 14, 2008
Published: August 8, 2008

Xiao Hu, Li Zhan, and Yuxing Xia, "Color filters based on enhanced optical transmission of subwavelength-structured metallic film for multicolor organic light-emitting diode display," Appl. Opt. 47, 4275-4279 (2008)

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