Photo-patterning of highly efficient state-of-the-art phosphorescent OLEDs using orthogonal hydrofluoroethers
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Photolithography offers a scalable solution for large area pixel patterning of organic light-emitting diode (OLED) displays. It has been limited due to the incompatibility of traditional processing steps with the majority of organic materials. In this work, photolithographic structuring of state-of-the-art phosphorescent red p-i-n OLEDs is demonstrated using fluorinated polymers in combination with hydrofluoroether solvents. This is the first report on photolithographically patterned OLEDs with state-of-the-art efficiency and good long-term stability.
Krotkus , S , Ventsch , F , Kasemann , D , Zakhidov , A A , Hofmann , S , Leo , K & Gather , M C 2014 , ' Photo-patterning of highly efficient state-of-the-art phosphorescent OLEDs using orthogonal hydrofluoroethers ' Advanced Optical Materials , vol 2 , no. 11 , pp. 1043-1048 . DOI: 10.1002/adom.201400181
Advanced Optical Materials
Copyright 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: Photo-patterning of Highly Efficient State-of-the-Art Phosphorescent OLEDs Using Orthogonal Hydrofluoroethers Krotkus, S., Ventsch, F., Kasemann, D., Zakhidov, A. A., Hofmann, S., Leo, K. & Gather, M. C. 1 Nov 2014 In : Advanced Optical Materials. 2, 11, p. 1043-1048, which has been published in final form at http:/dx.doi.org/10.1002/adom.201400181. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.
The authors kindly acknowledge the financial support by the Free State of Saxony, the Sächsische Aufbaubank (SAB, Project Nr. 100087862), and the European Social Fund (ESF).
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