Improvement of light out-coupling efficiency in organic light-emitting diodes with variable nanopatterns View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2014-01

AUTHORS

Jeong Ho Kim, Joong-Yeon Cho, Jaehoon Park, Bong Kuk Lee, Kyu-Ha Baek, Heon Lee, Lee-Mi Do

ABSTRACT

We present a viable method to enhance the current efficiency of organic light-emitting diodes (OLEDs) by imprinting cylindrical nanopatterns (NPs) onto a glass substrate. Herein, OLEDs equipped with an optimum NP array having a diameter of 300 nm and a periodic distance of 500 nm show a 33.4% improvement in current efficiency compared with a device without NPs. The light extraction efficiency of OLEDs was enhanced using a nanopatterned glass substrate, without any electrical degradation owing to the formation of NPs on opposite sides of the organic layers. In addition, top-emitting OLEDs can be fabricated easily by patterning the encapsulation glass. More... »

PAGES

27-29

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s13391-013-3059-5

DOI

http://dx.doi.org/10.1007/s13391-013-3059-5

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015692577


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149 IT Convergence Technology Research Department, Electronics and Telecommunications Research Institute, 305-700, Daejeon, Korea
150 rdf:type schema:Organization
 




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