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dc.contributor.author
Stellmacher, Andre  
dc.contributor.author
Liu, Yuan  
dc.contributor.author
Soldera, Marcos Maximiliano  
dc.contributor.author
Rank, Andreas  
dc.contributor.author
Reineke, Sebastian  
dc.contributor.author
Lasagni, Andrés Fabián  
dc.date.available
2019-11-13T21:28:51Z  
dc.date.issued
2019-10  
dc.identifier.citation
Stellmacher, Andre; Liu, Yuan; Soldera, Marcos Maximiliano; Rank, Andreas; Reineke, Sebastian; et al.; Fast and cost effective fabrication of microlens arrays for enhancing light out-coupling of organic light-emitting diodes; Elsevier Science; Materials Letters; 252; 10-2019; 268-271  
dc.identifier.issn
0167-577X  
dc.identifier.uri
http://hdl.handle.net/11336/88810  
dc.description.abstract
The efficiency of organic light-emitting diodes (OLEDs) deposited on flat substrates is strongly limited by the total internal reflection at the air-substrate interface. An effective strategy to reduce the amount of substrate modes and enhance the light out-coupling into the air is attaching a microlens array (MLA) on the external surface of OLEDs. In this study, polymeric MLA with periods between 1.2 µm and 2.0 µm are patterned by plate-to-plate nano-imprint lithography using metallic stamps structured by direct laser interference patterning. When MLA with a spatial period of 2.0 µm and a structure depth of 200 nm are employed on red, green and blue OLEDs, the external quantum efficiency is increased to 11.4%, 6.6% and 12.7%, respectively, due to a reduction of internally reflected radiation at the air-MLA-glass interfaces.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier Science  
dc.rights
info:eu-repo/semantics/embargoedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
DIRECT LASER INTERFERENCE PATTERNING  
dc.subject
LASER PROCESSING  
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LIGHT OUT-COUPLING  
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NANO-IMPRINT LITHOGRAPHY  
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ORGANIC LIGHT-EMITTING DIODE  
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POLYMERS  
dc.subject.classification
Ingeniería Eléctrica y Electrónica  
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Ingeniería Eléctrica, Ingeniería Electrónica e Ingeniería de la Información  
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INGENIERÍAS Y TECNOLOGÍAS  
dc.title
Fast and cost effective fabrication of microlens arrays for enhancing light out-coupling of organic light-emitting diodes  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2019-10-22T17:53:09Z  
dc.journal.volume
252  
dc.journal.pagination
268-271  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Stellmacher, Andre. Technische Universität Dresden; Alemania  
dc.description.fil
Fil: Liu, Yuan. Technische Universität Dresden; Alemania  
dc.description.fil
Fil: Soldera, Marcos Maximiliano. Technische Universität Dresden; Alemania. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas. Universidad Nacional del Comahue. Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas; Argentina  
dc.description.fil
Fil: Rank, Andreas. Technische Universität Dresden; Alemania  
dc.description.fil
Fil: Reineke, Sebastian. Technische Universität Dresden; Alemania  
dc.description.fil
Fil: Lasagni, Andrés Fabián. Technische Universität Dresden; Alemania  
dc.journal.title
Materials Letters  
dc.rights.embargoDate
2020-03-01  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0167577X1930850X  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.matlet.2019.05.133