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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 21362–21369

Organic light-emitting devices fabricated using a premetered coating process

Byoungchoo Park and Mi-young Han  »View Author Affiliations

Optics Express, Vol. 17, Issue 24, pp. 21362-21369 (2009)

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We present the results of a study of flat and uniform organic electroluminescent (EL) layers produced using a simple premetered horizontal-dipping process. It is shown that this process can produce high quality organic semiconductor thin films by utilizing the downstream meniscus of the solution, which may be controlled by adjusting the gap height and the carrying speed. It is also shown that the organic light emitting devices (OLEDs) produced using this method exhibit a peak brightness in excess of 52,000 cd/m2 and a maximum efficiency of 24 cd/A, with a large active area. From these results, we show that this premetered process for solution coating offers considerable promise for the production of highly efficient, reliable, and large-area solution-processed OLEDs.

© 2009 OSA

OCIS Codes
(250.3680) Optoelectronics : Light-emitting polymers
(260.3800) Physical optics : Luminescence
(310.1860) Thin films : Deposition and fabrication
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Optical Devices

Original Manuscript: August 11, 2009
Revised Manuscript: October 20, 2009
Manuscript Accepted: October 28, 2009
Published: November 9, 2009

Byoungchoo Park and Mi-young Han, "Organic light-emitting devices fabricated using a 
premetered coating process," Opt. Express 17, 21362-21369 (2009)

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