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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 14 — Jul. 10, 2006
  • pp: 6564–6571

Enhanced out-coupling factor of microcavity organic light-emitting devices with irregular microlens array

Jongsun Lim, Seung Seok Oh, Doo Youp Kim, Sang Hee Cho, In Tae Kim, S. H. Han, Hideo Takezoe, Eun Ha Choi, Guang Sup Cho, Yoon Ho Seo, Seung Oun Kang, and Byoungchoo Park  »View Author Affiliations


Optics Express, Vol. 14, Issue 14, pp. 6564-6571 (2006)
http://dx.doi.org/10.1364/OE.14.006564


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Abstract

We studied microcavity organic light-emitting devices with a microlens system. A microcavity for organic light-emitting devices (OLED) was fabricated by stacks of SiO2 and SiNx layers and a metal cathode together with the microlens array. Electroluminescence of the devices showed that color variation under the viewing angle due to the microcavity is suppressed remarkably by microlens arrays, which makes the use of devices acceptable in many applications. It was also demonstrated that the external out-coupling factor of the devise increases by a factor of ~1.8 with wide viewing angles compared to conventional OLEDs.

© 2006 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.0230) Optical devices : Optical devices

ToC Category:
Optical Devices

History
Original Manuscript: April 25, 2006
Revised Manuscript: July 3, 2006
Manuscript Accepted: July 4, 2006
Published: July 10, 2006

Citation
Jongsun Lim, Seung Seok Oh, Doo Youp Kim, Sang Hee Cho, In Tae Kim, S. H. Han, Hideo Takezoe, Eun Ha Choi, Guang Sup Cho, Yoon Ho Seo, Seung Oun Kang, and Byoungchoo Park, "Enhanced out-coupling factor of microcavity organic light-emitting devices with irregular microlens array," Opt. Express 14, 6564-6571 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-14-6564


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